Abstract:
An interior material  10  for vehicle, comprising: a base material layer  11;  a first reinforcement layer  12  disposed on a surface of a vehicle interior side of the base material layer; a second reinforcement layer  13  disposed on a surface of a vehicle body side of the base material layer; a skin layer  14  disposed on a surface of the opposite side of the first reinforcement layer viewed from the base material layer; and a backside layer  15  disposed on a surface of the opposite side of the second reinforcement layer viewed from the base material layer, wherein the backside layer comprises a base layer  16  and a functional layer  15′  disposed on at least one surface of the base layer to block an air flow to the vehicle body side from the vehicle interior, and/or to reflect infrared radiation from the exterior of the vehicle.

Description:
CROSS REFERENCE TO RELATED APPLICATIONS 
       [0001]    This application claims the foreign priority benefit under Title 35, United States Code, §119(a)-(d) of five Japanese Patent Applications No. 2011-279999 filed on Dec. 21, 2011, No. 2012-013770 filed on Jan. 26, 2012, No. 2012-046621 filed on Mar. 2, 2012, No. 2012-121216 filed on May 28, 2012 and No. 2012-243551 filed on Nov. 5, 2012, in the Japan Patent Office, the disclosures of which are herein incorporated by reference in its entirety. 
       TECHNICAL FIELD 
       [0002]    The present invention relates to an interior material for vehicle, in particular, an interior material that is mounted on the inside of a door and a roof of a vehicle, for example. 
       BACKGROUND ART 
       [0003]    Conventionally, as an interior material for vehicle, known is an interior material having a skin layer on an interior side of a base material layer, and having a backside layer on a vehicle body side of the base material layer. 
         [0004]    For example, as shown in  FIG. 19 , an interior material  10  is formed by laminating a base material layer  11  in urethane, an interior side fiber layer  12  and a vehicle body side fiber layer  13  which are disposed so as to sandwich the base material layer  11 , a skin layer  14  which is disposed on the surface of the interior side fiber layer  12  and forms a roof surface of the vehicle interior, and a backside layer  15  which is disposed on the backside of the vehicle body side fiber layer  13 . Note that  FIG. 19  shows a case where the backside layer  15  is placed at the top, and the skin layer  14  is placed at the bottom, corresponding to the direction of the interior material  10  to be mounted on the inside of a roof of a vehicle. 
         [0005]    Among the above elements forming the interior material  10 , the base material layer  11 , the interior side fiber layer  12 , the vehicle body side fiber layer  13  and the skin layer  14  are made of a breathable material generally. Therefore, by employing a non-breathable material for the backside layer  15 , an air flow to the backside of the interior material  10  from the vehicle interior is stopped to prevent dust and the like from adhering to the surface of the skin layer  14 . 
         [0006]    The above described interior material  10  is manufactured by a manufacturing process as shown in  FIG. 20 . Note that  FIG. 20  shows a case where the interior side skin layer  14  is placed at the top, and the vehicle body side backside layer  15  is placed at the bottom, corresponding to the direction of a molding material  10 ′ which is prepared for molding. 
         [0007]    First, as shown in  FIG. 20   a , the molding material  10 ′ is prepared by laminating the base material layer  11 , the vehicle interior side fiber layer  12 , the vehicle body side fiber layer  13 , the skin layer  14  and the backside layer  15 . In advance, an adhesive  17  is applied over both the entire front and back surfaces of the vehicle interior side fiber layer  12  and the vehicle body side fiber layer  13  of the molding material  10 ′. Next, as shown in  FIG. 20   b , the molding material  10 ′ is sandwiched between an upper die  41  and a lower die  42  and is hot-pressed. Here, a back surface of the skin layer  14  is adhered to a surface of the vehicle interior side fiber layer  12 , and a front surface of the backside layer  15  is adhered to a back surface of the vehicle body side fiber layer  13 . Thus, an interior material  10  with a predetermined shape is obtained by integrating all the layers, as shown in  FIG. 19 . 
         [0008]    By the way, conventionally, as an automotive interior material, for example, that disclosed in Japanese Patent Application Laid-Open Publication No. 2001-158306 (Patent Literature 1) is known. Japanese Patent Application Laid-Open Publication No. 2001-158306 (Patent Literature 1) discloses an automotive interior material comprising a substrate (corresponding to the base material layer) which is composed of a core material made of a resin foam and a surface mounting material (corresponding to the skin layer) laminated to the interior side of the core material, and an infrared ray reflection layer. The infrared reflective layer is attached towards a roof panel of an automotive body. It is disclosed that if the infrared reflective layer is formed with an aluminum deposition sheet for example, heat is shielded by the sheet even if sunlight incidents on the roof panel. The aluminum deposition sheet is described as a sheet in which aluminum is deposited on a substrate layer such as a plastic. 
         [0009]    However, in the interior material  10  applied to a vehicle roof, the backside layer  15  made of a non-breathable material was formed with an aluminum deposition film. The aluminum deposition film functioned as an infrared reflective film, and thereby heat from the roof panel side was shielded. However, in an environmental test, it was found that there was disadvantage that the aluminum deposited on a base film tended to peel off from the base. It is considered that a cause of such a phenomenon is attributed to the reduction of the adhesion strength of the aluminum deposited on the base film to the base film that was promoted in the environmental test, due to entering of sebum into pinholes or cracks in the aluminum deposition film, which would be generated at points of contact with operator&#39;s hands during aluminum depositing operation. 
         [0010]    Further, the automotive interior material of Japanese Patent Application Laid-Open Publication No. 2001-158306 (Patent Literature 1) includes a layer having an infrared reflecting function, facing the roof panel of the automotive body. The layer having an infrared reflecting function has a light reflectance of 50˜90% in a wavelength region of 350˜2500 nm, and a thickness is set to 0.1 μm˜1 mm. According to this, even if the heat from the sun may be transmitted on the automotive body, the heat is shielded by the layer having an infrared reflecting function. But this disclosure aims to reflect the infrared ray having the wavelength region of 350˜2500 nm. It is not a technique to reflect a far infrared ray. In addition, there is no description on the relationship between the configuration of the infrared reflective layer and the heat shielding effect in Japanese Patent Application Laid-Open Publication No. 2001-158306 (Patent Literature 1). Sufficient study on the optimal configuration of the infrared reflective layer effective for far infrared ray and a technique that maximizes heat shield performance of the infrared reflective layer are desired. 
         [0011]    Furthermore, a technology is known where an interior material is applied to a sunshade of a sunroof made of a transparent member disposed in a vehicle roof. Such a structure is disclosed in Japanese Patent Application Laid-Open Publication No. 2010-208607 (Patent Literature 2), for example. Here, a sunshade is laminated from a plurality of base material layers made of an urethane foam each, a first glass fiber reinforcement layer adhere between the plurality of base material layers, a second and a third glass fiber reinforcement layers adhered to outer sides of the plurality of base material layers each, a skin layer adhered to outer side of the second glass fiber reinforcement layer, and a backside layer adhered to outer side of the third glass fiber reinforcement layer. In Japanese Patent Application Laid-Open Publication No. 2010-208607 (Patent Literature 2), a material laminated with a blackish nonwoven fabric is disposed as a skin layer of the sunshade. But, a temperature of the heat insulating smoked glass of the sunroof grows higher gradually by the radiant heat of the sunlight, and heat is accumulated in the nonwoven fabric skin material of the facing sunshade by the radiant heat from the heat insulating smoked glass. As a result, there is a problem that the temperature control efficiency decreases in the vehicle interior. 
       SUMMARY OF INVENTION 
     Technical Problem 
       [0012]    The present invention has been made based on such circumstances. The objective of the present invention is to provide an interior material for vehicle, blocking an air flow toward a vehicle body from a vehicle interior, and/or reflecting infrared radiation from the exterior, where composing layers are prevented from separating, moldability is good, molding cycle is shortened, increase of manufacturing costs is avoided, and comfortability in a vehicle is ensured by effectively controlling temperature rise. 
       Solution to Problem 
       [0013]    The present invention can be understood by the following configuration. In a 1st aspect, an interior material for vehicle, comprising: a base material layer; a first reinforcement layer disposed on a surface of a vehicle interior side of the base material layer; a second reinforcement layer disposed on a surface of a vehicle body side of the base material layer; a skin layer disposed on a surface of the opposite side of the first reinforcement layer viewed from the base material layer; and a backside layer disposed on a surface of the opposite side of the second reinforcement layer viewed from the base material layer, wherein the backside layer comprises: a base layer; and a functional layer disposed on at least one surface of the base layer to block an air flow to the vehicle body side from the vehicle interior, and/or to reflect infrared radiation from the exterior of the vehicle. 
         [0014]    In a 2nd aspect according to the 1st aspect, the backside layer may comprise the functional layer and the base layer in this order viewed from the second reinforcement layer. 
         [0015]    In a 3rd aspect according to the 1st aspect, the backside layer may comprise the base layer and the functional layer in this order viewed from the second reinforcement layer. 
         [0016]    In a 4th aspect according to the 1st aspect, the backside layer may comprise the one functional layer, the base layer and the other functional layer in this order viewed from the second reinforcement layer. 
         [0017]    In a 5th aspect according to any one of the 1st to 4th aspects, the base layer may be formed from a resin film. 
         [0018]    In a 6th aspect according to 5th aspect, the resin film may be formed from a polyester-based resin (PP) or a polypropylene-based resin (PET). 
         [0019]    In a 7th aspect according to any one of the 1st to 4th aspects, the functional layer may be formed from an inorganic material. 
         [0020]    In an 8th aspect according to the 7th aspect, the inorganic material may be an aluminum deposited on the base layer, or an aluminum foil laminated on the base layer. 
         [0021]    In a 9th aspect according to any one of the 1st to 4th aspects, the base layer may have a thickness in a range of 0.8˜25 μm. 
         [0022]    In a 10th aspect according to any one of the 1st to 4th aspects, the functional layer may have a thickness in a range of 0.01˜0.09 μm. 
         [0023]    In an 11th aspect according to any one of the 1st to 4th aspects, the functional layer may have a light reflectance of 80% or more in a wavelength region of 4000˜16000 nm. 
         [0024]    In a 12th aspect according to any one of the 1st to 4th aspects, further comprised is an adhesive applied on both surfaces of each of the first and the second reinforcement layers, wherein the base material layer and the first reinforcement layer, the base material layer and the second reinforcement layer, the first reinforcement layer and the skin layer, and the second reinforcement layer and the backside layer are adhered, respectively. 
       Advantageous Effects of Invention 
       [0025]    According to the aspects of the present invention, provided is an interior material for vehicle, blocking an air flow toward a vehicle body from a vehicle interior, and/or reflecting infrared radiation from the exterior, where composing layers are prevented from separating, moldability is good, molding cycle is shortened, increase of manufacturing costs is avoided, and comfortability in a vehicle is ensured by effectively controlling temperature rise. 
     
    
     
       BRIEF DESCRIPTION OF DRAWINGS 
         [0026]      FIG. 1  is a perspective view showing a vehicle in which an interior material for vehicle according to the present invention is applied. 
           [0027]      FIG. 2  is a plan view of the interior material for vehicle viewed from the direction of arrow C in  FIG. 1 . 
           [0028]      FIG. 3  is a diagram showing a layer structure of an interior material for vehicle according to a first embodiment of the present invention. 
           [0029]      FIG. 4   a  and  FIG. 4   b  are diagrams showing a manufacturing process of the interior material for vehicle according to the first embodiment of the present invention. 
           [0030]      FIG. 5  is a diagram showing a layer structure of an interior material for vehicle according to a second embodiment of the present invention. 
           [0031]      FIG. 6   a  to  FIG. 6   c  are diagrams showing an example of the steps of the manufacturing process of the metal deposition sheet applied to the interior material for vehicle according to the second embodiment of the present invention. 
           [0032]      FIG. 7  is a diagram showing a modification of the layer structure of the interior material for vehicle according to the second embodiment of the present invention. 
           [0033]      FIG. 8  is a diagram showing a layer structure of an interior material for vehicle according to a third embodiment of the present invention. 
           [0034]      FIG. 9  is a diagram showing an optical path of the incident and reflected infrared ray on the interior material for vehicle according to the third embodiment of the present invention. 
           [0035]      FIG. 10  is a diagram showing a comparative example to the third embodiment.  FIG. 10   a  is a cross-sectional view showing an example of a conventional aluminum deposition film, and  FIG. 10   b  is a cross-sectional view of an interior material for vehicle having the aluminum deposition film. 
           [0036]      FIG. 11   a  and  FIG. 11   b  are diagrams showing a layer structure of an interior material for vehicle according to a fourth embodiment of the present invention. 
           [0037]      FIG. 12  is a cross-sectional view of a test product used in an experiment as the interior material for vehicle according to the fourth embodiment of the present invention. 
           [0038]      FIG. 13  is a cross-sectional view of a reference product used in the experiment. 
           [0039]      FIG. 14  is a diagram showing a relationship between wavelength and light absorption rate in the test product as the interior material for vehicle according to the fourth embodiment of the present invention. 
           [0040]      FIG. 15  is a diagram showing a relationship between wavelength and light absorption rate in the reference product in the experiment. 
           [0041]      FIG. 16  is an outer perspective view of a roof of a vehicle interior where an interior material for vehicle according to a fifth embodiment of the present invention is applied as a sunshade for a vehicle sunroof. 
           [0042]      FIG. 17  is a schematic cross-sectional view of the vehicle sunroof and the sunshade therefor on the roof of the vehicle interior of  FIG. 16 . 
           [0043]      FIG. 18   a  is a schematic cross-sectional view of a heat insulating smoked glass which is attached to the sunroof in the vehicle interior of  FIG. 16 .  FIG. 18   b  is a schematic cross-sectional view of the sunshade for the vehicle sunroof which is attached in the vehicle interior of  FIG. 16 . 
           [0044]      FIG. 19  is a diagram showing an example of a layer structure of a conventional interior material for vehicle. 
           [0045]      FIG. 20   a  and  FIG. 20   b  are diagrams showing an example of a manufacturing process of the conventional interior material for vehicle. 
       
    
    
     DESCRIPTION OF EMBODIMENTS 
       [0046]    Detailed description is given, referring to the attached drawings, on the preferred embodiments of the present invention (hereinafter, called ‘embodiment(s)’). The same reference signs are assigned to the same elements throughout the description of the embodiments, but some positional relationship between a vehicle body side and an interior side is represented upside down by the embodiment. It should be noted that the positional relationship between the vehicle body side and the interior side is described corresponding to each embodiment. 
         [0047]    First, a description is made on a vehicle to which an interior material for vehicle of the present invention is applied. As shown in  FIG. 1 , a vehicle  20  comprises a vehicle body  21 , front wheels  22 , rear wheels  23 , and a vehicle interior  24 . The vehicle body  21  comprises a roof  25  which covers the upper side of the vehicle interior  24 , and the inner side of the roof  25  is disposed with an interior material for vehicle  10  which furnishes the roof surface. 
         [0048]    As shown in  FIG. 2 , the interior material for vehicle  10  is substantially rectangular, when viewed nearly in a plane.  FIG. 2  is a plan view of the interior material for vehicle  10  seen from the direction of arrow C in  FIG. 1 . A front portion  301  of the interior material for vehicle  10  is formed in a substantially planar, and a curved portion  302  is formed in a rear portion of the front portion  301  which grows higher as it goes to the center. The interior material for vehicle  10  is disposed with an opening  303 A for mounting an interior light such as a room lamp or a map lamp, an opening  303 B for mounting a sun visor, and an opening  303 C for mounting a grip. 
       (1) First Embodiment 
       [0049]    A description is made on an interior material for vehicle according to first embodiment of the present invention.  FIG. 3  is a cross-sectional view of a layer structure of the interior material for vehicle  10 . Corresponding to the positional relationship at a time of hot pressing, a skin layer  14  on an interior side is depicted at the top and a backside layer  15  on a vehicle body side is depicted at the bottom. As shown in  FIG. 3 , the interior material for vehicle  10  has a layered structure which comprises a base material layer  11 , an interior side fiber layer  12  and a vehicle body side fiber layer  13  which sandwiches the base material layer  11  therebetween, a skin layer  14  which is disposed on a surface of the interior side fiber layer  12  and forms a vehicle interior roof, and a backside layer  15 . The backside layer  15  comprises an infrared reflective layer  15 ′ which is adhered to a surface of the vehicle body side fiber layer  13 , and further, a protective layer  16  is formed on a surface of the infrared reflective layer  15 ′. In addition, an adhesive  17  is coated over both the entire front and back surfaces of each of the interior side fiber layer  12  and the vehicle body side fiber layer  13 , in advance. 
         [0050]    Here, the base material layer  11  is made of a semi-hard foam material such as an urethane foam, for example. The interior side fiber layer  12  and the vehicle body side fiber layer  13  are made of a fiber material such as a glass fiber mat. As described above, the adhesive  17  is coated over both the entire front and back surfaces of each of the interior side fiber layer  12  and the vehicle body side fiber layer  13 . The interior side fiber layer  12  and the vehicle body side fiber layer  13  are reinforcement layers which reinforce the interior material for vehicle  10 , while they play a role of an adhesive layer which adheres the skin layer  14  and the infrared reflective layer  15 ′ to the side of the base material layer  11 . The skin layer  14  is arbitrarily selected from breathable materials such as a nonwoven cloth, a woven cloth, knit, and the like. The infrared reflective layer  15 ′ is composed of an aluminum deposition film and the like, and the optimum deposition film thickness is 0.03˜0.09 μm. Thus, the infrared reflective layer  15 ′ having an infrared reflecting efficiency of 80˜90% can be obtained. In addition, the infrared reflective layer  15 ′ which is configured in this manner, also has a non-breathable function, besides the function of reflecting infrared radiation. As the adhesive  17 , a moisture-curable adhesive such as an isocyanate or a thermosetting resin is preferable. The skin layer  14  and the infrared reflective layer  15 ′ are adhered by coating the adhesive  17  on both the interior side fiber layer  12  and the vehicle body side fiber layer  13 , but the base material layer  11  may be coated or impregnated with the adhesive  17 , alternatively. In this case, the base material layer  11  is penetrated with the coated or impregnated adhesive  17 , the adhesive  17  is attached to the front surface of the interior side fiber layer  12  and the back side surface of the vehicle body side fiber layer  13 . By the attached adhesive  17 , the skin layer  14  is adhered to the interior side fiber layer  12 , and the infrared reflective layer  15 ′ is adhered to the vehicle body side fiber layer  13 . 
         [0051]    Next, a manufacturing process of the above described interior material for vehicle  10 , referring to  FIG. 4 . The manufacturing process of the interior material for vehicle  10  comprises a materials preparation step for obtaining a molding material  10 ′, and a molding step for performing a hot press molding using the molding material  10 ′. As shown in  FIG. 4   a , in the materials preparation step, a base material layer  11 , an interior side fiber layer  12 , a vehicle body side fiber layer  13  and a skin layer  14  are laminated, while a molding material  10  is obtained by disposing an integrated material which is laminated with a protective layer  16  on a surface to of the infrared reflective layer  15 ′ on an opposite side to the side of the vehicle body side fiber layer  13 . Here, the infrared reflective layer  15 ′ is an aluminum deposition film which is configured by forming an aluminum deposition layer  15 B′, on a surface of a base film  15 A′. A protective film  16  is laminated to cover the surface of the aluminum deposition layer  15 B′. Then, the molding material  10 ′ is conveyed and is set to a molding dies  40 . Further, in the molding step, as shown in  FIG. 4   b , a hot pressing is performed at a die temperature of 130˜150° C., by sandwiching the molding material  10 ′ between an upper die  41  and a lower die  42 , and clamping together the upper die  41  and the lower die  42 , using the upper die  41  which molds the side of the skin layer  14  and the lower die  42  which molds the side of protective layer  16 . 
         [0052]    It is necessary to form the protective film  16  with a transparent material not to decrease the infrared reflecting efficiency of the infrared reflective layer  15 ′, and with a good moldability material which does not adhere to the dies the temperature of which falls in a range of 130˜150° C. during hot pressing. It has been found that a polyester based resin (PET) or a polypropylene based resin (PP) is preferable, for example, as a material for the protective film  16 . In addition, it has been found that a thickness of the protective film  16  falls in a range of 5˜25 μm. If the thickness of the protective film  16  is less than 5 μm, peeling off of the protective film  16  is likely to occur, and if the thickness of the protective film  16  is larger than 25 μm, an infrared transmittance of the protective film  16  (more than 60% is required) is deteriorated. 
         [0053]    With regard to the interior material for vehicle  10  being configured in this manner, even if pin halls or cracks are generated on the infrared reflective layer  15 ′ being made of an aluminum deposition film, the surface is covered with the protective film  16 . Therefore, sebum, etc. attached to positions where an operator touches with his hand can be avoided from entering the pinholes or cracks, due to the existence of the protective film  16 . Therefore, the decrease of adhesive strength of the aluminum deposition layer  15 B′ to the base film  15 A′ can be prevented in the environmental test, and as a result, and the infrared reflective layer  15 ′ is hardly peeled off from the base material layer  11 . 
       (2) Second Embodiment 
       [0054]    Next, a description is made on an interior material for vehicle according to second embodiment of the present invention.  FIG. 5  is a cross-sectional view showing a layer structure of an interior material for vehicle  10 . Corresponding to the positional relationship at a time of hot pressing, a skin layer  14  on an interior side is depicted at the top and a backside layer  15  on a vehicle body side is depicted at the bottom. As shown in  FIG. 5 , the interior material for vehicle  10  has a layered structure which comprises a base material layer  11 , an interior side fiber layer  12  and a vehicle body side fiber layer  13  which sandwiches the base material layer  11  therebetween, a skin layer  14  which is disposed on a surface of the interior side fiber layer  12  and forms a vehicle interior roof, and a backside layer  15  which is adhered to a surface of the vehicle body side fiber layer  13 . 
         [0055]    Here, the backside layer  15  comprises a metal deposition sheet  18 . The metal deposition sheet  18  is configured by a metal deposition film  18 A made of aluminum, for example, which is formed on an upper surface of a resin film  18 A by using an adhesive or some other treatment. A thickness of the metal deposition sheet  18  which comprises the resin film  18 A and the metal deposition film  18 B is set in a range of 0.8˜25 μm. 
         [0056]    For example,  FIG. 6   a  to  FIG. 6   c  are diagrams showing an example of a step of forming the metal deposition film  18 B by depositing aluminum on the upper surface of the resin film  18 A. As shown in  FIG. 6   a , aluminum particles (indicated by the white particles in  FIG. 6   a ) is evaporated from aluminum evaporation source which is disposed at the bottom the resin film  18 A (not shown). In this case, polar groups (indicated by the hatched particles in  FIG. 6   a ) are produced on a surface of the resin film  18 A, by applying discharge treatment. Next, as shown in  FIG. 6   b , the deposited aluminum particles form a columnar crystal structure (the crystal in the dotted line frame in  FIG. 6   a ) at polar group cores. Then, as shown in FIG.  6   c , the columnar crystal structure is extended to and formed on the entire surface of the resin film  18 A. Through this, the metal deposition sheet  18  can be obtained in which the metal deposition film  18 B is formed on the upper surface of the resin film  18 A. 
         [0057]    In this case, the metal deposition sheet  18  is not limited to those configured as shown in  FIG. 6   a  to  FIG. 6   c . For example, as shown in  FIG. 7 , the metal deposition sheet  18  may be configured by adhering the metal deposition film  18 B formed in a foil shape, on the resin film  18 A, interposing an adhesive  18 C. 
         [0058]    In addition, any protective film which covers the metal deposition layer  18 B is not formed with regard to the metal deposition sheet  18  used in the present invention. Without the protective film, there are generated disadvantages that the metal deposition film  18 B made of aluminum easily forms aluminum hydroxide in high temperature and high humidity, and an infrared reflecting function, abrasion resistance and oil resistance are lowered. But, because the vehicle body side fiber layer  13  which is adhered to the metal deposition layer  18 B and the base material layer  11  which is adhered to the vehicle body side fiber layer  13  can have the same function as that of the above mentioned protective film, it is possible to avoid the above disadvantages. In addition, returning to  FIG. 5 , the adhesive  17  is coated over both the entire front and back surfaces of each of the interior side fiber layer  12  and the vehicle body side fiber layer  13 , in advance. Further, in  FIG. 5 , corresponding to the position of each layer in the manufacturing process, the skin layer  14  is disposed in an upper portion, and the metal deposition sheet  18  is disposed in a lower portion. 
         [0059]    Here, the base material layer  11  is made of semi-hard foam material such as an urethane foam, for example. The interior side fiber layer  12  and the vehicle body side fiber layer  13  are made of a fiber material such as a glass fiber mat. As described above, the adhesive  17  is coated over both the entire front and back surfaces of each of the interior side fiber layer  12  and the vehicle body side fiber layer  13 . The interior side fiber layer  12  and the vehicle body side fiber layer  13  are reinforcement layers which reinforce the interior material for vehicle  10 , while they play a role of an adhesive layer which adheres the skin layer  14  and the metal deposition sheet  18  to the side of the base material layer  11 . The skin layer  14  is arbitrarily selected from breathable materials such as a nonwoven cloth, a woven cloth, knit, and the like. The metal deposition layer  18 B of the metal deposition sheet  18  is made of an aluminum deposition film, for example, and the optimum deposition film thickness is in a range of 0.01˜0.09 μm. Thus, the metal deposition sheet  18  has an infrared reflecting function of the metal deposition layer  18 B together with a non-breathable function of the resin film  18 A. As the adhesive  17 , a moisture-curable adhesive such as an isocyanate or a thermosetting resin is preferable. Here, the interior side fiber layer  12  and the vehicle body side fiber layer  13  may be coated or impregnated with the adhesive  17 . In this case, the interior side fiber layer  12  and the vehicle body side fiber layer  13  is penetrated with the coated or impregnated adhesive  17 , the adhesive  17  is attached to the front surface of the interior side fiber layer  12  and the back side surface of the vehicle body side fiber layer  13 . By the attached adhesive  17 , the skin layer  14  is adhered to the interior side fiber layer  12 , and the metal deposition sheet  18  is adhered to the vehicle body side fiber layer  13 . 
         [0060]    Next, a manufacturing process of the interior material for vehicle  10  configured as described above is described, with reference to  FIG. 4  according to the first embodiment where a similar manufacturing process is described. The manufacturing process of the interior material for vehicle  10  comprises a materials preparation step for obtaining a molding material  10 ′, and a molding step for performing a hot press molding using the molding material  10 ′. As shown in  FIG. 4   a , in the materials preparation step, the molding material  10 ′ is obtained by disposing a metal deposition sheet  18  instead of the base material layer  11 , the interior side fiber layer  12 , the vehicle body side fiber layer  13 , the skin layer  14 , the infrared reflective layer  15 ′ and the protective layer  16 . Then, the molding material  10 ′ is conveyed and is set to the molding dies  40 . Further, in the molding step, as shown in  FIG. 4   b , a hot pressing is performed by sandwiching the molding material  10 ′ between an upper die  41  and a lower die  42 , and clamping together the upper die  41  and the lower die  42 , using the upper die  41  which molds the side of the skin layer  14  and the lower die  42  which molds the side of the metal deposition sheet  18  instead of the infrared reflective layer  15 ′ and the protective layer  16 . In this case, the molding material  10 ′ is integrated by hot pressing. 
         [0061]    The interior material for vehicle  10  is configured so that the metal deposition sheet  18  which has no protective layer is adhered to the base material layer part, taking into consideration that the base material layer part (comprising the base material layer  11 , the interior side fiber layer  12 , the vehicle body side fiber layer  13  and the skin layer  14 ) itself which is adhered to the metal deposition sheet  18  can function fully as a protective film which is formed to cover the metal deposition layer  18 B of the metal deposition sheet  18 . For this reason, it is unnecessary to dispose any protective film which protects the metal deposition layer  18 B, in the metal deposition sheet  18 . Accordingly, it is possible to reduce the number of layers of the entire interior material for vehicle  10 , to shorten the so called molding cycle and to avoid the increase of the manufacturing cost. 
       Modification 1 of Second Embodiment 
       [0062]    In the second embodiment, the metal deposition sheet  18  where the metal deposition layer  18 B (aluminum deposition film) is adhered the surface of the resin film  18 A is referred to as a ventilation stop layer, and the metal deposition sheet  18  also has a function of an infrared reflecting layer in addition to the non-breathable function. However, it is not limited to this, the metal deposition sheet  18  may be configured so as to have the non-breathable function only. 
       Modification 2 of Second Embodiment 
       [0063]    In the second embodiment, a description is given referring to the interior material for vehicle as an interior material for vehicle of the present invention. However, it is not limited to this, the interior material for vehicle can be applied to an interior component of any other vehicle. 
       Modification 3 of Second Embodiment 
       [0064]    In the second embodiment, a description is given that the metal deposition layer  18 B of the metal deposition sheet  18  is made of an aluminum deposition film However, it is not limited to aluminum. It is needless to say that a deposition film of at least one among copper, titanium, zinc, nickel and their oxide may be possible. In addition, it is needless to say that the metal deposition layer  18 B need not be made of a deposition film, but it may be just a metal film. 
         [0065]    As is apparent from the above description, an interior material for vehicle can be manufactured in a so called shorter molding cycle, and the increase of the manufacturing cost can be avoided, without deteriorating the infrared reflecting function, the abrasion resistance and the oil resistance, according to the interior material for vehicle of the second embodiment. 
       (3) Third Embodiment 
       [0066]    Next, a description is made on the interior material for vehicle according to the third embodiment.  FIG. 8  is a cross-sectional view showing a layer structure of an interior material for vehicle  10 . Corresponding to the positional relationship at a time of hot pressing, a skin layer  14  on an interior side is depicted at the top and a backside layer  15  on a vehicle body side is depicted at the bottom. As shown in  FIG. 8 , the interior material for vehicle  10  has a layered structure which comprises a base material layer  11 , an interior side fiber layer  12  and a vehicle body side fiber layer  13  which sandwiches the base material layer  11  therebetween, a skin layer  14  which is disposed on a surface of the interior side fiber layer  12  and forms a vehicle interior roof, and a backside layer  15  which is adhered to a surface of the vehicle body side fiber layer  13 . Here, the backside layer  15  comprises an aluminum deposition film  30 . In the aluminum deposition film  30 , an aluminum deposition layer  32 ,  33  is formed on each of the front and back surfaces of a base material layer  31  where the base material layer  31  and the aluminum deposition layer  32 ,  33  are adhered strongly by a special processing such as a corona treatment or an anchor coat for example. In  FIG. 8 , the layers to which the special processing was applied are indicated as a special processing layer  34 ,  35 . Here, the base material layer  31  is made from a transparent resin such as PP, PET etc., for example, and its optimum thickness is in a range of 0.8˜25 μm. Further, the optimum thickness of each of the aluminum deposition layer  32 ,  33  is in a range of 0.01˜0.09 μm. In addition, the adhesive  17  is coated on the entire front and back surface of each of the interior side fiber layer  12  and the vehicle body side fiber layer  13 , in advance. 
         [0067]    Here, the base material layer  11  is made of semi-hard foam material such as an urethane foam, for example. The interior side fiber layer  12  and the vehicle body side fiber layer  13  are made of a fiber material such as a glass fiber mat. As described above, the adhesive  17  is coated over both the entire front and back surfaces of each of the interior side fiber layer  12  and the vehicle body side fiber layer  13 . The interior side fiber layer  12  and the vehicle body side fiber layer  13  are reinforcement layers which reinforce the interior material for vehicle  10 , while they play a role of an adhesive layer which adheres the skin layer  14  and the aluminum deposition film  30  to the side of the base material layer  11 . The skin layer  14  is arbitrarily selected from breathable materials such as a nonwoven cloth, a woven cloth, a knit, and the like. Thus, aluminum deposition film  30  formed in this manner also has an infrared reflecting function together with a non-breathable function. As the adhesive  17 , a moisture-curable adhesive such as an isocyanate or a thermosetting resin is preferable. Here, the adhesive  17  is coated to the interior side fiber layer  12  and the vehicle body side fiber layer  13 , and the skin layer  14  and the aluminum deposition film  30  are adhered. Otherwise, it may be possible to penetrate the adhesive  17  coated to the base material layer  11  into the interior side fiber layer  12  and the vehicle body side fiber layer  13 , and attach the adhesive  17  to the front surface of the interior side fiber layer  12  and the back side of the vehicle body side fiber layer  13 , and then adhere the skin layer  14  to the interior side fiber layer  12  and adhere the aluminum deposition film  30  to the vehicle body side fiber layer  13 , by the adhesive  17 . 
         [0068]    Next, a manufacturing process of the above interior material for vehicle  10  is described, referring to  FIG. 4  according to the first embodiment where a similar manufacturing process is employed. The manufacturing process of the interior material for vehicle  10  comprises a materials preparation step for obtaining a molding material  10 ′, and a molding step for performing a hot press molding using the molding material  10 ′. As shown in  FIG. 4   a , in the materials preparation step, a molding material  10  is obtained by laminating a base material layer  11 , an interior side fiber layer  12 , a vehicle body side fiber layer  13 , a skin layer  14 , and an aluminum deposition film  30  instead of the infrared reflective layer  15 ′ and the protective layer  16 . Then, the molding material  10 ′ is conveyed and is set to a molding dies  40 . Further, in the molding step, as shown in  FIG. 4   b , a hot pressing is performed at a die temperature of 130˜150° C., by sandwiching the molding material  10 ′ between an upper die  41  and a lower die  42 , and clamping together the upper die  41  and the lower die  42 , using the upper die  41  which molds the side of the skin layer  14  and the lower die  42  which molds the side of the aluminum deposition film  30  instead of the infrared reflective layer  15 ′ and the protective layer  16 . In addition, the aluminum deposition film  30  includes a layer  35  interposed between the base material film  31  and the aluminum deposition layer  33 , and a special processing layer  34  which is interposed between the base material film  31  and the aluminum deposition layer  32 . 
         [0069]      FIG. 9  is a cross-sectional view of the interior material for vehicle  10  formed as described above, where the aluminum deposition film  30  is shown at the top position. In  FIG. 9 , the arrow A indicates an optical path through which an infrared ray incidents and reflects on the aluminum deposition layer  33  of the aluminum deposition film  30 . 
         [0070]    The aluminum deposition layer  32  of the aluminum deposition film  30  cannot be free from progressing of its hydroxylation by being exposed to the outside air, but it is possible to suppress deterioration of an infrared reflectance by the hydroxylation to down about 30%, and to keep the infrared reflectance at about 60%. Further, in the aluminum deposition layer  33  of the aluminum deposition film  30 , hydroxylation proceeds in a range of about 10% of the entire surface area, by penetration of water from the skin layer  14 , the interior side fiber layer  12 , the base material layer  11 , the vehicle body side fiber layer  13  and the like, but it is possible to keep the infrared reflectance of the aluminum deposition layer  33  at about 60%. 
         [0071]    Therefore, by forming the aluminum deposition layer  32  on the front surface of the aluminum deposition film  30 , and forming the aluminum deposition layer  33  on the back surface of the aluminum deposition film  30 , the infrared reflectance of the aluminum deposition film  30  is significantly improved as compared to the configuration for a comparative example, in which an aluminum deposition film  1  is formed with an aluminum deposition layer  3 A on a base film  2  made of a resin through a special processing layer  4 , shown in  FIG. 10   a  and  FIG. 10   b.    
         [0072]    As is apparent from the above description, according to the interior material for vehicle of the third embodiment, a relatively inexpensive aluminum deposition film having an aluminum deposition layer on each of the front and back surfaces of a transparent base film can be used for the aluminum deposition film. With regard to the interior material for vehicle which incorporates such an aluminum deposition film, one of the aluminum deposition layers formed on each of the front and back surfaces of the base film can be adhered to the vehicle body side fiber layer  13 , and good moldability is disposed by the configuration. 
         [0073]    In addition, hydroxylation proceeds in one aluminum deposition layer adhered to the vehicle body side fiber layer  13  proceeds by penetration of water from the vehicle body side fiber layer  13  and the like, and hydroxylation also proceeds in the other aluminum deposition layer which is exposed to the outside air. But because the aluminum deposition film is equipped with two infrared reflective layers, an interior material for vehicle having a higher infrared reflectance can be obtained using the aluminum deposition film, as compared to either configuration of  FIG. 10   b.    
       Modification 4 of Third Embodiment 
       [0074]    In the third embodiment, the interior side fiber layer  12  is adhered to the front surface of the base material layer  11 , and the vehicle body side fiber layer  13  is adhered to the back surface of the base material layer  11 . However, it is not necessary to configure from. It is needless to say that the interior side fiber layer  12  and the vehicle body side fiber layer  13  may be made of other material such as a resin, for example, instead of a fiber layer. 
       Modification 5 of Third Embodiment 
       [0075]    In the third embodiment, an aluminum deposition film is used as the infrared ray reflective layer. However, it is needless to say that the deposition layer is not limited to aluminum, and the deposition layer can be made of other metal such as chromium. 
       (4) Fourth Embodiment 
       [0076]    Next, a description is made on an interior material for vehicle according to fourth embodiment of the present invention.  FIG. 11   a  and  FIG. 11   b  show cross-sectional views of a layer structure of the interior material for vehicle  10 . Corresponding to the positional relationship at a time of mounting it to a vehicle body, a backside layer  15  on a vehicle body side is depicted at the top, and a skin layer  14  on an interior side is depicted at the bottom. As shown in  FIG. 11   a  and  FIG. 11   b , the interior material for vehicle  10  comprises a base material layer  11 , a reinforcement interior side fiber layer  12  and a vehicle body side fiber layer  13  which are disposed to sandwich the base material layer  11 , a skin layer  14  which is disposed on a front surface  12   a  of the interior side fiber layer  12  (refer to  FIG. 1 ) and which forms a roof surface, and a backside layer  15  which is disposed on a back surface  13   b  of the vehicle body side fiber layer  13 . 
         [0077]    The base material layer  11  is made of semi-hard foam material such as an urethane foam, for example. The skin layer  14  is arbitrarily selected from breathable materials such as a nonwoven cloth, a woven cloth, a knit, and the like. The interior side fiber layer  12  and the vehicle body side fiber layer  13  are made of a fiber material such as a glass fiber mat. The entire front and back surfaces of the interior side fiber layer  12  and the vehicle body side fiber layer  13  are coated with an adhesive  17 , and they become a reinforcement layer which reinforces the interior material for vehicle  10 , while they function as an adhesive layer which adheres the skin layer  14  and the backside layer  15  to a side of the base material layer  11 . As the adhesive  17 , a moisture-curable adhesive such as an isocyanate or a thermosetting resin is preferable. 
         [0078]    Here, the skin layer  14  and the backside layer  15  are adhered by coating the adhesive  17  on the vehicle body side fiber layer  13  and the interior side fiber layer  12 , but a method for adhering each of the layers of the interior material for vehicle  10  can be selected from any adhesive means, without being limited particularly by the above method. The base material layer  11  may be coated or impregnated with the adhesive  17 , for example. The base material layer  11  is penetrated with the coated or impregnated adhesive  17 , and then the adhesive  17  is attached to the front surface  12   a  of the interior side fiber layer  12  and the back surface  13   b  of the vehicle body side fiber layer  13 . By the attached adhesive  17 , the skin layer  14  is adhered to the interior side fiber layer  12 , and the backside layer  15  is adhered to the vehicle body side fiber layer  13 . 
         [0079]    The backside layer  14  comprises a base layer  38  which is disposed to a side of the base material layer  11 , and an infrared reflective layer  39  which is disposed to a side of a roof  25  (a heat source side) of a base layer  38 . The reason why it is effective to dispose the infrared reflective layer  39  to the heat source side of the base layer  38  shall be described later. 
         [0080]    The base layer  38  is a ventilation stopping layer which blocks an air flow in the thickness direction of the interior material for vehicle  10 , and which prevents dust from adhering to the surface of the skin layer  14 . The base layer  38  is composed of a non-breathable film being made of a synthetic resin such as a polypropylene base resin, a polyester base resin. It is preferable to set a thickness t 1  of the base layer  38  in a range of 0.8˜25 μm. 
         [0081]    An infrared ray reflective layer  39  has a thickness t 2  in a range of 0.01˜0.09 μm, and is made of an inorganic material which has an optical reflectance over 80% in in a wavelength range of 4000˜26000 nm. Such an infrared ray reflective layer  39  can be selected from various inorganic reflective substances such as a metal film (an aluminum deposition film, for example) or a metal foil (an aluminum foil, for example) which is deposited on a back surface  38   b  of the base layer  38 . 
         [0082]    In a case where the infrared ray reflective layer  39  is composed of an aluminum deposition film, it is preferable to form the aluminum deposition film on the base layer  38  which is a base film made of a synthetic resin, and adhere strongly the base film (the base layer  38 ) and the aluminum deposition film (the infrared ray reflective layer  39 ) by a special processing such as a corona treatment or an anchor coat for example. In addition, a layer made of an inorganic material such as an aluminum deposition film is preferable as the infrared ray reflective layer  39 , because it absorbs an ultra violet ray, a visible light and infrared ray very little. 
         [0083]    Here, an example of a method of manufacturing the interior material for vehicle  10  is described with reference to  FIG. 4  according to the first embodiment where a similar manufacturing process is employed. Note that in  FIG. 4 , corresponding to the direction of the molding material  10 ′, the skin layer  14  is disposed at the top and the backside layer  15  is disposed at the bottom. 
         [0084]    The manufacturing process of the interior material for vehicle  10  comprises a materials preparation step for obtaining the molding material  10 ′, and a molding step for performing a hot press molding using the molding material  10 ′. 
         [0085]    As shown in  FIG. 4   a , in the materials preparation step, the molding material  10 ′ is obtained by laminating a base material layer  11 , an interior side fiber layer  12 , a vehicle body side fiber layer  13 , a skin layer  14 , the infrared reflective layer  15 ′ and a backside layer  15 . Then, the molding material  10 ′ is conveyed and is set to the molding dies  40 . Further, in the molding step, as shown in  FIG. 4   b , using an upper die  41  which molds a side of the skin layer  14  and a lower die  42  which molds a side of the backside layer  15 , a hot pressing is performed at a die temperature of 130˜150° C. by clamping together the upper die  41  and the lower die  42 , and sandwiching the molding material  10 ′ between the upper die  41  and the lower die  42 . Thus, an interior material for vehicle  10  having a predetermined shape can be obtained where the layers are laminated. 
       EXPERIMENTAL EXAMPLE 
       [0086]    Next, a description is made on an experimental example performed for studying an optimum configuration of the infrared reflective layer  39  of the interior material for vehicle  10  with reference to  FIG. 12  to  FIG. 15 . 
         [0087]      FIG. 12  is a cross-sectional view of a test specimen used in the experiment, and  FIG. 13  is a cross-sectional view of a reference specimen used in the experiment.  FIG. 14  is a diagram showing a relationship between a wavelength and a light absorption rate of the test specimen.  FIG. 15  is a diagram showing a relationship between wavelength and light absorption rate in the reference product. In addition, the present invention is not limited to the experimental example. 
       (Specimen) 
       [0088]    The interior material for vehicle  10  (refer to  FIG. 12 ) of the fourth embodiment was used as the test specimen. The interior material for vehicle  10 B (refer to  FIG. 13 ) was used as the reference specimen. 
         [0089]    As shown in  FIG. 6 , the reference specimen has a layer structure where the front surface and the back surface of the backside layer  15  (refer to  FIG. 12 ) is inverted in the interior material for vehicle  10  (refer to  FIG. 12 ). In the backside layer  15 B of the interior material for vehicle  10 B, the infrared ray reflective layer  39  is disposed on a front surface  38   a  of the base layer  38 , and a back surface  38   b  of the base layer  38  is the most back surface. 
       (Experimental Method) 
       [0090]    As shown in  FIG. 12  and  FIG. 13 , an far infrared ray having a wavelength of 4000˜16000 nm was radiated from a side of the backside layer  15 ,  15 B, using a heat source, to each of the interior material for vehicle  10  of the test specimen and the interior material for vehicle  10 B of the reference specimen, and the light absorption rate was measured. 
       (Experimental Result) 
       [0091]    Experimental results are shown in  FIG. 14  and  FIG. 15 . The interior material for vehicle  10  of the test specimen showed the stable low light absorption rate less than 20% in the entire range of 4000˜16000 nm as shown in  FIG. 14 . On the other hand, the interior material for vehicle  10 B of the test specimen showed the high light absorption rate in the range of 4000˜16000 nm, regardless of a heat shielding effect of the infrared ray reflective layer  39 , as shown in  FIG. 15 . This may be attributed to a heat generation due to molecule vibration caused by the far infrared ray radiation, in the base layer  38  disposed to the side of the heat source (corresponding to a side of the roof  25  shown in  FIG. 1 ). That is, it can be said that a heating element (the base layer  38 ) rides on the infrared reflective layer  39 , in the reference specimen. Accordingly, it was confirmed that the heat shielding performance is not sufficiently given by the infrared reflective layer  39 , in a layer structure where the base layer  38  is disposed to the side of the heating source. 
         [0092]    By the above experimental result, it was confirmed that the best configuration for maximizing the heat shielding performance of the infrared reflective layer  39  with preventing heat generation in the base layer  38  was to dispose the infrared reflective layer  39  to the side of the heat source (corresponding to a side of the roof  25  shown in  FIG. 1 ), and in the interior material for vehicle  10  of the reference specimen being configured in this manner, a light reflectance more than 80% was obtained in a wavelength range of 4000˜16000 nm. 
         [0093]    As a result, in order to enhance the light reflectance to the far infrared ray radiation in the backside layer, it was found that it was effective to dispose the infrared reflective layer to the side of the vehicle body (the side of the heat source). On the other hand, the performance of the infrared reflective layer itself is not changed, even if the infrared reflective layer is disposed to the inside of the base layer (the side of the base material layer), instead of the side of the vehicle body (the side of the heat source). However, in this case, if a far infrared ray of a wavelength in a range of 4000˜16000 nm is radiated, heat generates due to molecule vibration in the base layer made of a synthetic resin, for example. In this circumstance, the heat shielding performance of the infrared ray reflective layer cannot be used fully and the temperature increase in the vehicle interior cannot be suppressed effectively. 
         [0094]    In this regard, in the fourth embodiment, because the infrared reflective layer disposed is disposed on the side of the vehicle body panel (the side of the heat source), heat generation in the base layer is prevented. As a result, it is possible to maximize the heat shielding performance of the infrared reflective layer having a light reflectance more than 80% in the wavelength range of 4000˜16000 nm, and to suppress a temperature increase in the vehicle interior more effectively. 
         [0095]    Therefore, according to the interior material for vehicle  10  of the fourth embodiment, a temperature rise in the vehicle interior  24  can be suppressed more effectively, by disposing optimally the infrared reflective layer  39  for the infrared ray radiation. 
         [0096]    A description has been made on the fourth embodiment as above. It may be apparent to those skilled in the art that it is possible to add various changes or modifications to the fourth embodiment, without departing from the scope thereof. 
         [0097]    For example, in the fourth embodiment, an example is shown that the interior side fiber layer  12  is disposed on the front surface of the base material layer  11 , and the vehicle body side fiber layer  13  is disposed on the back surface of the base material layer  11 . However, as far as the interior material for vehicle which comprises a base material layer, a skin layer being disposed to an interior side of the base material layer, and a backside layer being disposed to a side of the vehicle body of the base material layer is concerned, any layer structure of the interior material for vehicle can be employed. 
       (5) Fifth Embodiment 
       [0098]    Finally, a description is made on an interior material for vehicle of the fifth embodiment according to the present invention.  FIG. 18  is a cross-sectional view of a layer structure of the interior material for vehicle  10 . Corresponding to a positional relationship when being mounted to a vehicle body, a backside layer  15  on a vehicle side  15  is depicted at the top, and a skin layer  14  on a vehicle interior side is depicted on bottom. 
         [0099]    Here, before describing  FIG. 18 , a description is made on a relative relationship between a sunroof and a sunshade.  FIG. 16  shows a roof  25  in a vehicle interior which comprises a sunroof  1 S, and a sunshade  2 S for a vehicle sunroof being disposed together with the sunroof  1 S. The roof  25  is composed of a roof trim  3 S which covers a vehicle panel (described later) forming a vehicle interior  24 . Though a detailed illustration and a detailed description are omitted with regard to the roof trim  3 S, it can be made of a already known structure. That is, the roof trim  3 S is configured, using a base material layer made of an urethane for example, an interior side fiber layer and a vehicle body side fiber layer which sandwich the base material layer, a skin layer which forms a roof surface of a vehicle interior being disposed on a surface of the interior side fiber layer, a ventilation stop layer which faces a backside surface of the vehicle body side fiber layer or a vehicle body side. In addition, it is preferable to dispose a suitable heat shield member on a surface of the roof trim  3 S facing the side of the vehicle panel, because it gives a heat shield effect on the entire roof part of the vehicle interior together with a sunshade  2 S described later. 
         [0100]    A sunroof  1 S is configured by fitting a transparent member  5 S (preferably a heat ray blocking transparent member  5 S) into an opening  4 S formed in a rectangular shape in a center portion of the roof  25 . In addition, the heat ray blocking transparent member  5 S is mounted to the opening  4 S which is a sunroof without steps (refer to  FIG. 17 ). 
         [0101]    Next, a description is made on a sunshade  2 S. The sunshade  2 S is disposed slidably so that it is pulled out from a housing unit  6 S being disposed between the central portion of the roof  25  and a front portion of the vehicle, and it covers the opening  4 S of the sunroof  1 S in the central portion of the roof  25  from the side of the vehicle interior. Then, as shown in  FIG. 17  and  FIG. 18   b , the sunshade  2 S comprises the base material layer  11  having an area corresponding to the sunroof  1 S, and a heat shield member  8 S which is laminated to a surface of the base material layer  11  in the side of the sunroof  1 S, and reflects the radiant heat from the sunroof  1 S. The heat shield member  8 S is made of aluminum as described in detail later. 
         [0102]    As the heat ray blocking transparent member  5 S, a material having a heat absorbing ability and a visible light transmitting ability, or a so called heat blocking smoked glass, that is a UV cut glass having excellent heat blocking ability and a high heat absorbing ability, is the most preferable (refer to  FIG. 18   a ). 
         [0103]    Further, in the sunshade  2 S, the base material layer  11  having an area corresponding to the sunroof  1 S, comprises the same composing materials as those of the roof trim  3 S. That is, the base material layer  11  comprises, in the same manner as those of the roof trim  3 S as described above, the base material layer made of an urethane, the interior side fiber layer  12  and the vehicle body side fiber layer  13  which sandwich the base material layer  11 , the skin layer which forms the roof surface of the vehicle interior being disposed on a surface of the interior side fiber layer  12 , and the ventilation stop layer which faces a backside surface of the vehicle body side fiber layer  13  or a side of the heat shield member. And the heat shield member  8 S being laminated on the surface of the base material layer  11  in the side of the sunroof  1 S is an aluminum deposition film which is configured by depositing aluminum as an aluminum material on a surface of a resin film such as a polypropylene terephthalate (PPT) or a polyethylene terephthalate (PET), for example. Of course, it is possible to laminate an aluminum foil or an aluminum sheet on a resin film, besides using the aluminum deposition film. 
         [0104]    In addition, it is preferable to use the aluminum foil instead of the aluminum deposition film which is configured by depositing aluminum as the heat shield member  8 S, because the aluminum material is relatively inexpensive and it is known that the aluminum material has an excellent high reflectance for the radiant heat radiated from an object at a temperature in a range of room temperature to 200° C., that is, the aluminum material has a relatively low absorption rate for the radiant heat. 
         [0105]    The description has been made as above on the sunshade  2 S for the vehicle sunroof according to the present invention, and hereafter, a description is made on the function and effect of the heat shield. 
         [0106]    In summer time, especially in a fine weather, the vehicle body  21  of an entire vehicle is heated to a high temperature by the radiant heat under direct sunlight. Especially, the temperature of the roof  25  grows high considerably. Then, the heat ray blocking transparent member  5 S in the sunroof  1 S is exposed to direct sunlight as well as the surrounding vehicle body  21 . However, the heat can be blocked somewhat, due to the heat absorbing ability of the heat ray blocking transparent member  5 S. Nevertheless, the heat cannot be blocked completely under the direct sunlight in summer time, the heat ray blocking transparent member  5 S is heated up somewhat, and the temperature grows high. 
         [0107]    However, because the heat shield member  8 S of the base material layer  11  in the sunshade  2 S is brought to the position facing the heat ray blocking transparent member  5 S of the sunroof  1 S, since the opening  4 S on which the heat ray blocking transparent member  5 S is mounted is covered by the sunshade  2 S being pulled out from the housing unit  6 S, from the side of the vehicle body, the radiant heat from the heated up heat ray blocking transparent member  55  can be reflected effectively by the heat shield member  8 S of the base material layer  11 . In this case, the aluminum deposition film is used as the heat shield member  8 S. When an aluminum foil is used in the same manner, it is convenient as the heat shield member  8 S, because the aluminum material is relatively inexpensive, and has an excellent high reflectance for the radiant heat radiated from an object at a temperature in a range of room temperature to 200° C. In addition, as described above, by using the roof trim  3 S around the sunroof  1 S to which a heat shield measure is applied, a heat shield effect can be expected as a whole in the heat shield member  8 S of the base material layer  11  in the sunshade  2 S, and so the livability in the vehicle interior  24  of the vehicle can be improved more effectively. 
         [0108]    Accordingly, even if the temperature of the sunroof grows high by the radiant heat of the sunlight, the radiant heat can be reflected by the aluminum material which is the heat shield member on the base material layer in the sunshade facing the sunroof, and is not accumulated in the sunshade, and the temperature control efficiency in the vehicle interior is not decreased. 
         [0109]    The present invention has been described using the embodiments 1-5 and their several variations. It is needless to say that the technical scope of the present invention is not limited to the embodiments described above. It is apparent to those skilled in the art that various changes or modifications can be added to the embodiments described above. Further, it is apparent from the description of the scope of the claims that the embodiments of the various changes or modifications are also included in the technical scope of the present invention. 
       REFERENCE SIGNS LIST 
       [0000]    
       
           1  . . . aluminum deposition film,  2  . . . resin film,  3  . . . adhesive,  3 A . . . aluminum deposition layer,  4  . . . special processing layer,  5  . . . adhesive,  10  . . . interior material for vehicle,  10 ′. molding material,  11  . . . base material layer,  12  . . . interior side fiber layer,  13  . . . vehicle body side fiber layer,  14  . . . skin layer,  15  . . . backside layer,  16  . . . protective layer,  17  . . . adhesive,  18  . . . metal deposition sheet,  18 A . . . resin film,  18 B . . . metal deposition film,  20  . . . vehicle,  21  . . . vehicle body,  22  . . . front wheel,  23  . . . rear wheel,  24  . . . vehicle interior,  25  . . . roof,  30  . . . aluminum deposition film,  31  . . . base material layer,  32 ,  33  . . . aluminum deposition layer,  301  . . . front portion,  302  . . . curved portion,  303 A,  303 B,  303 C . . . opening,  38  . . . base layer,  39  . . . infrared reflective layer,  40  . . . molding dies,  41  . . . upper die,  42  . . . lower die, t 1  . . . thickness of base layer  38 , t 2  . . . thickness of infrared reflective layer  39 ,  1 S . . . sunroof,  2 S . . . sunshade,  3 S . . . roof trim,  4 S . . . opening,  5 S . . . heat ray blocking transparent member,  6 S . . . housing unit,  8 S . . . heat shield member 
       
     
       CITATION LIST 
     Patent Literature 
       [0000]    
       
         Patent Literature 1: Japanese Patent Application Laid-Open Publication No. 2001-158306 
         Patent Literature 2: Japanese Patent Application Laid-Open Publication No. 2010-208607