mwirth-epo/epo-nmt-datasets huggingface dataset:
本发明进一步设置为：所述第一动阀中部通水口201与第二动阀中部通水口301分别呈偏心设置在所述第一动阀片2与第二动阀片3上。
Further, the first movable valve central water passage 201 and the second movable valve central water passage 301 are eccentrically provided in the first movable valve plate 2 and the second movable valve plate 3 respectively.
实施例一、本发明进一步设置为：所述所述定阀中部通水口101呈同轴设置在所述定阀片1上。
In the first embodiment, further, the fixed valve central water passage 101 is concentrically provided in the fixed valve plate 1.
通过采用上述技术方案，第二转动件5转动时带动第二动阀片3转动使第二动阀侧部通水口302与定阀侧部通水口102导通或关闭，再通过转动第一转动件4带动第一动阀片2转动使第一动阀中部通水口201与第二动阀中部通水口301导通或关闭。
According to the above described design, the second rotating element 5 rotates and drives the second movable valve plate 3 to rotate so as to cause the second movable valve side water passage 302 and fixed valve side water passage 102 communicated or noncommunicating, and the first rotating element 4 rotates to drive the first movable valve plate 2 to rotate so as to cause the first movable valve central water passage 201 and the second movable valve central water passage 301 communicated or noncommunicating.
实施例二、本发明进一步设置为：所述定阀中部通水口101呈偏心设置在所述定阀片1上。
According to a second embodiment, the fixed valve central water passages 101 are eccentrically provided in the fixed valve plate 1.
所述第一转动件4设置有内通水孔403，所述第二转动件5设置有外通水孔503，第一转动件4与第二转动件5相对转动时，内通水孔403与外通水孔503导通或关闭。
The first rotating element 4 is provided with inner water holes 403, the second rotating element 5 is provided with outer water holes 503, and when the first rotating element 4 and the second rotating element 5 rotate relative to each other, the inner water hole 403 and the outer water hole 503 are communicated or noncommunicating.
通过采用上述技术方案，第二转动件5转动时带动第二动阀片3转动使第二动阀侧部通水口302与定阀侧部通水口102导通或关闭的同时，使第二动阀中部通水口301与定阀中部通水口101导通或关闭，再通过转动第一转动件4带动第一动阀片2转动使第一动阀中部通水口201与第二动阀中部通水口301导通或关闭。
According to the above described design, the second rotating element 5 rotates and drives the second movable valve plate 3 to rotate so as to cause the second movable valve side water passage 302 and fixed valve side water passage 102 communicated or noncommunicating, and in the meanwhile, to cause the second movable valve central water passage 301 and the fixed valve central water passage 101 communicated or noncommunicating.
通过第一动阀片2与第二动阀片3中部通水口相互切合控制冷热水其中一种水流，再配合内通水孔403与外通水孔503相互切合控制冷热水另一种水流，从而达到操作第一转动件即可同时控制冷热水的目的，可分别控制流量大小或温度。
By means of the cooperation of the toggling of the central water passages of the first movable valve plate 2 and the second movable valve plate 3, which controls one of the cold water flow and the hot water flow, and the toggling of the inner water hole 403 and the outer water hole 503, which controls the other of the cold water flow and the hot water flow, the cold water flow and the hot water flow can be controlled simultaneously upon operating the first rotating element 4, the flow rate and the water temperature can be controlled respectively.
实施例三、本发明进一步设置为：所述定阀中部通水口101呈偏心设置在所述定阀片1上。
In a third embodiment, the fixed valve central water passages 101 are eccentrically provided in the fixed valve plate 1.
还包括第三动阀片8与第四动阀片9，所述第三动阀片8设置有第三动阀侧部通水口801，所述第四动阀片9设置有第四动阀侧部通水口901，第三动阀片8与第四动阀片9分别套设在所述第一转动件4上，所述第三动阀片8与第一转动件4呈联动设置，所述第四动阀片9与第二转动件5呈联动设置，所述第三动阀片8与第四动阀片9相对转动时第三动阀侧部通水口801与第四动阀侧部通水口901导通或关闭。
When the third movable valve plate 8 and the fourth movable valve plate 9 rotate relative to each other, the third movable valve side water passage 801 and the fourth movable valve side water passage 901 are communicated or noncommunicating.
通过采用上述技术方案，通过第一动阀片2与第二动阀片3中部通水口相互切合控制冷热水其中一种水流，再配合第三动阀片8与第四动阀片9相互切合控制冷热水另一种水流，从而达到操作第一转动件即可同时控制冷热水的目的，可分别控制流量大小或温度。
According to the above described design, by means of the cooperation of the toggling of the central water passages of the first movable valve plate 2 and the second movable valve plate 3, which controls one of the cold water flow and the hot water flow, and the toggling of the third movable valve plate 8 and the fourth movable valve plate 9, which controls the other of the cold water flow and the hot water flow, cold water flow and hot water flow can be controlled simultaneously upon operating the first rotating element 4, the flow rate and the water temperature can be controlled respectively.
本发明可进一步设置为：所述定阀中部通水口101和定阀侧通水口102呈不同角度设置，第二动阀中部通水口301和第二动阀侧通水口302对应的呈不同角度设置。
Further, the central angle of the fixed valve central water passage 101 and the fixed valve side water passage 102 are arranged with a certain angel formed therebetween, and accordingly the second movable valve central water passage 301 and the second movable valve side water passage 302 are arranged with a certain angel formed therebetween.
本发明进一步设置为：所述第一转动件4设置有内操作部401，所述第二转动件5设置有外操作部501，所述内操作部401由外操作部501延伸至所述第二转动件5外。
Further, the first rotating element 4 has an inner operation portion 401, the second rotating element 5 has an outer operation portion 501, and the inner operation portion 401 extends to the outside of the second rotating element 5 through the outer operation portion 501.
通过采用上述技术方案，通过内操作部401与外操作部501分别对第一转动件4与第二转动件5进行操作。
According to the above described design, the first rotating element 4 and the second rotating element 5 can be operated by means of the inner operation portion 401 and the outer operation portion 501 respectively.
本发明进一步设置为：所述第一转动件4设置有内转动键404，所述第一动阀片2设置有与所述内转动键404相配合的第一动阀槽202，所述第二转动件5设置有外转动键504，所述第二动阀片3设置有与所述外转动键504相配合的第二动阀槽303。
The second rotating element 5 has outer rotating keys 504, and the second movable valve plate 3 has second movable valve grooves 303 engaging with the outer rotating keys 504.
通过采用上述技术方案，使得第一转动件4与第一动阀片2相联动，第二转动件5与第二动阀片3相联动，结构更加简单。
According to the above described design, the first rotating element 4 is coupled with the first movable valve plate 2, and the second rotating element 5 is coupled with the second movable valve plate 3, which makes the structure simpler.
本发明进一步设置为：还包括底座6与外壳7，所述底座6设置有分别与定阀中部通水口101以及定阀侧部通水口102相导通的底中部通水口601与底侧部通水口602，所述定阀片1定位在所述底座6上，所述外壳7套设在所述定阀片1、第一动阀片2、第二动阀片3、第一转动件4以及第二转动件5的外侧并与所述底座6相连接。
The outer housing 7 is connected with the base 6 and accommodates the fixed valve plate 1, the first movable valve plate 2, the second movable valve plate 3, the first rotating element 4 and the second rotating element 5.
由于大地毯的低熔融聚合物或胶仅为上述聚合物中的一种，因此可以例如在消费者后的循环单元中获得容易的分离。
The third aspect further preferably comprises the step of introducing or incorporating filler materials into said glue layer, or into said powder, liquid, paste, to be applied as a glue layer.
优选地，胶基本上为coPET。
Preferably said filler material is at least sand, chalk or another mineral material.
优选地，基本上分别从非织物PET层和coPET胶，或者作为另外一种选择，分别从PP基初级衬底如非织物和低分子量聚丙烯胶获得所述衬底结构和胶。
The incorporation of filler material adds weight to the obtained carpet or rug, which amongst others raises the consumer's sentiment of quality.
优选地，在根据本发明的第四方面的大地毯或小地毯中使用的纱线基本上为PET纱线、尼龙纱线或聚丙烯纱线。
In accordance with a special embodiment of said third aspect, said primary backing is a non-woven layer made from filaments based on essentially one first polymer, while said powder of the glue layer is based on essentially one second polymer, wherein the second polymer has a lower melting temperature than said first polymer.
显然，利用第一、第二或第三方面的方法，可以获得第四方面的大地毯，或者其可以是可获得的。
Said first polymer may for example be PET, while said second polymer is coPET.
当提及上述低分子量聚合物时，优选地，使用分子量低于10000g/mol或者甚至低于5000g/mol的聚合物。
The coPET polymer may be the same or similar, or may show the same of similar properties as those described in the first aspect of the invention, or, said first polymer is PP, while said second polymer is lower molecular weight PP.
当提及高分子量聚合物时，优选地，使用分子量高于10000g/mol或者甚至高于15000g/mol的聚合物。
The filaments contained in the primary backing may be monocomponent filaments, namely being entirely formed from said first polymer, although it is not excluded that bicomponent filaments would be used, wherein these filaments are formed preferably for 80% or more of the first polymer.
根据本发明的其它方面，该方法还可以包括将次级衬底层连接至初级衬底和胶粘层的组合的步骤。
According to a special embodiment, said powder comprises granules composed from said second polymer and filler material.
这种次级衬底层可以是来自PET、coPET或PET和coPET的组合的非实心层，即具有内部空腔的层。
Preferably said filler material is an inorganic, stony or rocky material, such as sand and/or chalk.
次级衬底可以是PET和/或coPET纤维或纤丝的非织物层，例如，梳棉或毛毡，如纺粘、气流喷射交缠或针刺毛毡。
With such an embodiment weight can be added to the carpet or rug, such that the carpet may lay steadily on the subsurface.
作为另外一种选择，该次级衬底层可以是泡沫层，例如，PET泡沫层、coPET泡沫层或来自PET和coPET混合物的泡沫层。
Weight also adds to the consumer's sentiment of quality.
泡沫可以具有开放、闭合或者开放和闭合两者的空腔。
It is clear that the present invention also in general relates to carpet or rugs which are obtained or obtainable with any of the methods of the present invention or combinations thereof.
根据一些实施方式，次级衬底通过胶粘层如低熔点胶粘层，例如，包含粉末或液体PET、coPET或PET和coPET的组合的胶粘层，或者包含双组分纤丝的胶粘层连接至初级衬底。
According to a fourth independent aspect, the present invention also in general relates to a carpet or rug, wherein this carpet or rug comprises yarn tufted and glued to a backing structure, with as a characteristic that said glue is essentially one of coPET, ethylene vinylacetate, amorphous polyolefine and low melt polyolefins.
该第二胶粘层可以优选地包括粉末或液体PET、coPET或PET和coPET的组合，如熔融的coPET或甚至由其组成。
Herewith it is meant that no other glue is present than one, and only one of coPET, ethylene vinylacetate, amorphous polyolefine and low melt polyolefins.
第二胶粘层可以负载填充剂如CaCO3颗粒。
Due to the fact that the low melting polymer or glue of the carpet is only one of the above polymers, easy separation can be obtained e.g. in a post-consumer recycling unit.
该衬垫可以是PET和/或coPET纤维或纤丝的非织物，例如，梳棉或毛毡，如纺粘、气流喷射交缠或针刺毛毡。
Preferably said backing structure and glue are essentially obtained, respectively, from a non-woven PET layer and coPET glue, or, alternatively, respectively from a PP based primary backing, e.g. a non-woven, and a low molecular weight polypropylene glue.
因此，根据该第四方面，根据该第四方面的大地毯或小地毯可以包括
Preferably the yarn used in the carpet of the fourth aspect of the invention is essentially PET yarn, nylon yarn or polypropylene yarn.
·存在于初级衬底的第二侧面的胶粘层，所述胶粘层由固化的熔融第二聚合物，优选地聚对苯二甲酸乙二醇酯的共聚物(coPET)产生；
The carpet of the fourth aspect, or of the invention in general is a broad loom carpet, having a width of at least 6 feet or at least 9 feet (2.7432 m), preferably at least 12 feet (3.6576 m), and preferably of 18 feet (5.4864 m) or less.
·任选地，存在于与接触初级衬底的胶粘层侧面相对的胶粘层侧面上的次级衬底层。
The backing structure of the carpet of the fourth aspect and/or of the other aspects is free from latex.
更优选地，根据该第四方面的大地毯或小地毯可以包括
It is clear that the carpet of the fourth aspect may be obtained, or be obtainable, with the methods of the first, second or third aspect.
·为织物层或非织物层的初级衬底，所述织物层或非织物层包含含有聚对苯二甲酸乙二醇酯(PET)的纤丝，其通过聚对苯二甲酸乙二醇酯共聚物(coPET)块彼此固定；
Where in the above polymers of low molecular weight are mentioned, preferably polymers with a molecular weight lower than 10000 gr/mol, or even lower than 5000 gr/mol are used.
·存在于初级衬底的第二侧面的胶粘层，所述胶粘层由固化的熔融coPET产生，其还包括包含嵌入所述固化的熔融coPET中的PET的纤丝；
Where polymers of high molecular weight are mentioned, preferably polumers with a molecular weight higher than 10000 gr/mol, or even higher than 15000 gr/mol are used.
该次级衬底层可以通过胶粘层粘附至初级衬底层。
According to a further aspect of the invention, the method may further comprise the step of joining a secondary backing layer to the combination of the primary backing and glue layer.
在产生大地毯或小地毯的过程中，首先将第二聚合物coPET熔融，然后再固化。
Such secondary backing layer may be an unsolid layer, i.e. a layer with internal cavities, from PET, coPET or combinations of PET and coPET.
照此，它形成了聚合物基质(例如，coPET基质)，其中第一聚合物的纤丝(例如，PET纤丝)(如果有)仍可以存在。
The PET used may be obtained from recycled material, e.g. from PET bottles or carpet waste, i.e. PET carpet waste.
这种聚合物基质将作为所述聚合物基质的膜出现，其中任选地存在第一聚合物纤丝如PET纤丝。
The secondary backing may be a nonwoven, e.g. a carding batt or a felt, such as a spunbond, air entangled or needle felt, of PET and/or coPET fibers or filaments.
图2和3是通过显微镜拍摄的照片，其显示了对于两种不同的双组分纤丝组分在根据图1的线II-II的截面中的胶粘层纤丝；
As an example, a carding batt or needle felt of coPET with a surface weight in the range of 15 to 35 oz/yd2 (or 509 to 1187 g/m2) may be used, e.g. 17 oz/yd2 (576 g/m2), 24 oz/yd2 (814 g/m2) or 32 oz/yd2 (1085 g/m2).
图4和5分别是对图2和3的胶粘层以更大的放大倍数拍摄的照片；
Alternatively this secondary backing layer may be a foam layer, e.g. a PET foam layer, a coPET foam layer or a foam layer from a PET and coPET mixture.
图6以更大的图显示了对于图1中以F6所表示的区域作为变体的热风粘合技术；
The foam may have open, closed or both open and closed cavities.
图7代表簇绒初级衬底；
According to some embodiments, the secondary backing is joined to the primary backing by means of the glue layer, such as a low melting glue layer, e.g. a glue layer comprising powdery or liquid PET, coPET or a combination of PET and coPET, or the glue layer comprising bicomponent filaments.
图8示意性显示了在图7的簇绒初级衬底上提供胶粘层的步骤；
According to some embodiments, the secondary backing is joined to the combination of the primary backing and the glue layer, using a second glue layer.
因此，将理解为表示所提及的指明的特性、步骤或组分的存在，但是不排除一个或多个其它特征、步骤或组分或其组的存在或添加。
This secondary glue layer may preferably comprise or even consist of powdery or liquid PET, coPET or a combination of PET and coPET, such as molten coPET.
因此，“包含方式A和B的装置”的表达的范围不应受限于仅由组件A和B组成的装置。
The powdery or liquid material may be extruded, poured, or sprayed to the combination of the primary backing and the glue layer.
这表示相对于本发明，装置唯一相关的组件为A和B。
The secondary glue layer may be loaded with fillers, e.g. CaCO3 particles.
这些提及表示在本发明的至少一个实施方式中包括了与该实施方式有关的具体特征。
According to another aspect of the invention, the carpet according to the invention is combined, in use, with an underlay.
因此，短语“在一个实施方式中”或“在实施方式中”在整个说明书中的多个地方的出现不必需全部表示相同实施方式，尽管它们可以。
An underlay is installed on the surface to be covered, upon which the carpet is installed.
此外，根据本发明的不同方面的具体特性或特征可以以任何合适的方式组合，如在一个或多个实施方式中，如对本领域技术人员将显而易见的。
This underlay may be a nonwoven, e.g. a carding batt or a felt, such as a spunbond, air entangled or needle felt, of PET and/or coPET fibers or filaments.
当提及百分比(％)时，除非另外说明，否则这种百分比是指重量百分比，即组分本身的重量相对于其中组分所存在的组合物的总重量。
With the intention of better showing the characteristics according to the invention, in the following, as examples without limitative character, some embodiments are described, with reference to the accompanying drawings, wherein: Figure 1 schematically illustrates the step of providing a primary backing or a glue layer in a method in accordance with amongst others the first aspect of the invention; Figure 2 and 3 are photographs taken with a microscope showing the filaments of the glue layer in a cross-section according to lines II-II of Figure 1 for two different compositions of bicomponent filaments; Figure 4 and 5 are photographs taken with a larger magnification of the glue layers of Figure 2 and 3 respectively; Figure 6 in a larger view illustrates the technique of through air bonding as a variant for the area indicated with F6 in Figure 1 ; Figure 7 represents a tufted primary backing; Figure 8 schematically illustrates the step of providing the glue layer on the tufted primary backing of Figure 7 ; Figures 9 and 10 on a larger scale show cross-sections according to the lines IX-IX, and X-X respectively in Figure 8 ; Figures 11 to 13 in a view similar to that of Figure 10 represent variants; Figure 14 in a view similar to that of Figure 8 represents a variant; and Figure 15 on a larger scale shows a view on the area indicated with F15 in Figure 14.
图1显示了提供初级衬底1的示例性步骤S1。
Figure 1 illustrates an exemplary step S1 of providing a primary backing 1.
在这种情况下，初级衬底1是通过纺粘技术提供的包含连续纤丝2的非织物层。
In this case the primary backing 1 is a non-woven layer comprising continuous filaments 2, provided by spunbonding technology.
在这种情况下，纤丝2是双组分纤丝。
In this case the filaments 2 are bicomponent filaments.
通过各个入口4，向两个挤出机3进料各自的聚合体碎片，每个挤出机用于纤丝组分中的一个。
Two extruders 3, each for one of the components of the filaments, are fed with respective polymer chips through respective inlets 4.
通过挤出和通过喷丝头5拉出形成纤丝2。
Filaments 2 are formed by extrusion and drawing through a spinning die 5.
将纤丝2铺在移动筛或带6上以形成幅材。
The filaments 2 are laid on a moving screen or belt 6 to form a web.
如在实施例中一样，可以任选地对该幅材进行粘合步骤S2，例如，通过压延粘合。
The web may, like in the example, optionally be subjected to a bonding step S2 e.g. by calender bonding.
在压延粘合中，将疏松纤丝2的幅材通过一组辊8的辊夹7，其中优选地将至少一个加热。
In calender bonding the web of loose filaments 2 is passed through the nip 7 of a set of rollers 8, of which preferably at least one is heated.
任选地，可以将辊8中的一个或多个图案化。
One or more of the rollers 8 may optionally be patterned.
图2显示，如前所述，可以产生鞘9/芯10型双组分纤丝2，在这种情况下，显示了胶粘层11。
Figure 2 shows that, as afore stated, bicomponent filaments 2 of the sheath 9 / core 10 type may be produced, in this case illustrated for the glue layer 11.
通过与图1所示类似的方法获得了这些纤丝。
These filaments are obtained through a process similar as that illustrated in figure 1.
芯9由第一聚合物组成，并且鞘10由低熔点第二聚合物组成，其中第一聚合物，优选地PET在所述胶粘层中以50wt％或更少的量可用，而所述第二聚合物，优选地coPET，以50wt％或更多的量可用。
The core 9 consists of a first polymer, and the sheath 10 consists of a lower melting second polymer, wherein the first polymer, preferably PET, is available in said glue layer in an amount of 50wt% or less, while said second polymer, preferably coPET, is available in an amount of 50wt% or more.
根据本发明的第一方面的优选实施方式，芯9由PET组成，而鞘10由coPET组成。
In accordance with a preferred embodiment of the first aspect of the invention the core 9 consists of PET, while the sheath 10 consists of coPET.
以约50/50的PET/coPET比，使用同心构造。
A concentric configuration is used with a ratio PET/coPET of about 50/50.
所示胶粘层是未压实且未粘合的。
The illustrated glue layer is uncompacted and unbounded.
图3显示了替代胶粘层的双组分纤丝2。
Figure 3 shows bicomponent filaments 2 of an alternative glue layer.
以约20/80的PET/coPET比，使用同心构造。
A concentric configuration is used with a ratio PET/coPET of about 20/80.
胶粘层11是未压实且未粘合的。
The glue layer 11 is uncompacted and unbounded.
图3的胶粘层11显示出比图2的胶粘层11更高的蓬松度。
The glue layer 11 of figure 3 exhibits higher loft than the glue layer 11 of figure 2.
这种蓬松度至少部分归因于纤丝2的鞘10和芯9的材料的差异收缩。
The loft is at least partially to be attributed to the differential shrinking of the material of the sheath 10 and core 9 of the filaments 2.
图3显示了纤丝2之间的一些熔合，这是由于随着它们由于收缩所造成的移动而产生的纤丝2接触所引起的。
Figure 3 shows some fusing between the filaments 2, which is due to the filaments 2 touching as they move due to shrinking.
图4以更大比例显示了图2的胶粘层11，并且图5以更大比例显示了图3的胶粘层11。
Figure 4 illustrates the glue layer 11 of figure 2 at a larger scale, and figure 5 illustrates the glue layer 11 of figure 3 at a larger scale.
胶粘层11的纤丝2具有比初级衬底1的纤丝2小的dpf尺寸。
The filaments 2 of the glue layer 11 are of a lower dpf size than the filaments 2 of the primary backing 1.
所示胶粘层11的纤丝2具有小于5dpf的尺寸，而初级衬底1的纤丝2优选地具有大于6或大于8dpf的尺寸。
The filaments 2 of the illustrated glue layer 11 have a size smaller than 5 dpf, while the filaments 2 of the primary backing 1 preferably have a size larger than 6 or larger than 8 dpf.
初级衬底1的表面重量大于100克/平方米。
The surface weight of the primary backing 1 is above 100 grams per square meter.
胶粘层11的表面重量大于85克/平方米。
The surface weight of the glue layer 11 is above 85 grams per square meter.
图6显示了作为图1的压延粘合的替代技术的热风粘合。
Figure 6 illustrates through air bonding as an alternative technology for the calender bonding of figure 1.
该技术包括将热风通过未粘合的幅材以加热并且至少部分熔融第二聚合物或coPET。
This technology involves passing hot air through the unbonded web in order to heat and at least partially melt the second polymer or coPET.
在热风粘合法中，所施加的压力最小化并且幅材几乎未被挤压。
In the through air bonding process the applied pressure is minimum and almost no compaction of the web is obtained.
％)可包括LDPE，如DOWTMLDPE 432E、DOWTMLDPE 312E或DOWTMLDPE 310E。
The remainder of the external layer 24 (0 to 15 wt.%) may comprise a LDPE such as DOW™ LDPE 432E, DOW™ LDPE 312E, or DOW™ LDPE 310E.Table 4: Example Seven Layer Formulations
层压物可形成由多层膜20和第二膜30形成的多层结构40。
A laminate may form the multilayer structure 40 formed from the multilayer film 20 and the second film 30.
表5中提供了示例性第二膜30。
An example second film 30 is provided in Table 5.
第二膜30可固定到多个多层膜20中的每一个上，所述多层膜20包括先前提供的三层、五层和七层实例。
The second film 30 may be affixed to any of numerous multilayer films 20 including the three layer, five layer, and seven layer examples provided previously.
％的中心层36和20至25wt.
The structure of the second film 30 may include a breakdown of 20 to 25 wt.% of the lamination layer 32, 50 to 60 wt.% of the central layer 36, and 20 to 25 wt.% of the surface layer 34.
％的第四乙烯类聚合物，如ELITETM5960G、ELITETM5940G或INNATETMST-50，层压层32的其余部分(0至20wt.
The lamination layer 32 may further be delineated into 85 to 100 wt.% of the fourth ethylene-based polymer such as ELITE™ 5960G, ELITE™ 5940G, or INNATE™ ST-50 with the remainder of the lamination layer 32 (0 to 20 wt.%) comprising a LDPE such as DOW™ LDPE 432E, DOW™ LDPE 312E, or DOW™ LDPE 310E.
％的第四乙烯类聚合物，如ELITETM5960G或ELITETM5940G。
The central layer 36 may further be delineated into 85 to 100 wt.% of the fourth ethylene-based polymer such as ELITE™ 5960G or ELITE™ 5940G.
％)可包括LDPE，如DOWTMLDPE 432E、DOWTMLDPE 312E或DOWTMLDPE 310E。
The remainder of the central layer 36 (0 to 15 wt.%) may comprise a LDPE such as DOW™ LDPE 432E, DOW™ LDPE 312E, or DOW™ LDPE 310E.
％的第四乙烯类聚合物，如ELITETM5960G或ELITETM5940G。
Finally, the surface layer 34 may further be delineated into 85 to 100 wt.% of the fourth ethylene-based polymer such as ELITE™ 5960G or ELITE™ 5940G.
％)可包括LDPE，如DOWTMLDPE 432E、DOWTMLDPE 312E或DOWTMLDPE 310E。
The remainder of the surface layer 34 (0 to 15 wt.%) may comprise a LDPE such as DOW™ LDPE 432E, DOW™ LDPE 312E, or DOW™ LDPE 310E.Table 5: Example Three Layer Formulations
(b)围绕其周边的一部分加热两个多层结构，以使密封剂层的周边彼此粘附并形成具有开口的部分密封的封装；
A first aspect of the disclosure may be directed to a process for making a package comprising a spout comprising: (a) heating a sealing area of a spout to a temperature at or above a melting point of the spout material; (b) heating two multilayer structures around a portion of their peripheries to adhere the peripheries of sealant layers to each other and form a partially sealed package having an opening; (c) inserting at least a portion of the heated spout into the opening; and (d) pressing opposing surfaces of the two multilayer structures around the spout to close the opening around the spout.
每一多层结构包括多层膜，所述多层膜包括：具有至少40重量％的乙烯类聚合物的密封剂层，所述聚合物熔点低于112℃，如由ASTM D1238(190℃，2.16kg)所测定，熔融指数(I2)为0.5至8g/10分钟，并且密度为0.880至0.918g/cm3；包括乙烯类聚合物的外层；至少一个中间层，其安置在密封剂层与外层之间，并且熔点比密封剂层高至少15℃，其中所述中间层包括：密度高于0.920g/cm3并且熔融指数(I2)为0.25至5g/10分钟的乙烯类聚合物；丙烯类聚合物；或其混合物。
Each multilayer structure comprises a multilayer film, the multilayer film comprising: the sealant layer having at least 40% by weight of an ethylene-based polymer having a melting point below 112°C, a melt index (I2) from 0.5 to 8 g/10 mins as determined by ASTM D1238 (190 °C, 2.16 kg), and a density between 0.880 and 0.918 g/cm3; an external layer comprising ethylene-based polymer; at least one intermediate layer disposed between the sealant layer and the external layer and having a melting point at least 15°C higher than the sealant layer, wherein the intermediate layer comprises: ethylene-based polymer having a density above 0.920 g/cm3, and a melt index (I2) from 0.25 to 5 g/10 mins; propylene based polymer; or mixtures thereof.
本发明的第二方面可包含第一方面，其中密封剂层的乙烯类聚合物为密度为0.890至0.908g/cm3并且熔融指数(I2)为0.5至3g/10分钟的塑性体。
A second aspect of the present disclosure may include the first aspect in which the ethylene-based polymer of the sealant layer is a plastomer having a density from 0.890 to 0.908 g/cm3 and a melt index (I2) from 0.5 to 3 g/10 mins.
本发明的第三方面可包含第一方面或第二方面，密封剂层进一步包括密度为0.910至0.930g/cm3并且熔融指数(I2)为0.5至7.5g/10分钟的低密度聚乙烯(LDPE)聚合物，和任选的一种或多种抗结块剂和助滑剂。
A third aspect of the present disclosure may include the first aspect or the second aspect the sealant layer further comprises a low density polyethylene (LDPE) polymer having a density from 0.910 to 0.930 g/cm3 and a melt index (I2) from 0.5 to 7.5 g/10 mins, and optionally one or more of anti-block agent and slip agent.
本发明的第四方面可包含第一至第三方面，其中密封剂层包括至少80重量％的乙烯类聚合物。
A fourth aspect of the present disclosure may include the first through third aspects in which the sealant layer comprises at least 80% by weight of the ethylene-based polymer.