Source: http://www.google.com/patents/US20020160205?ie=ISO-8859-1
Timestamp: 2015-03-30 05:20:14
Document Index: 669297392

Matched Legal Cases: ['arts 2', 'arts 11', 'arts 0', 'arts 11', 'arts 0', 'arts 2']

Patent US20020160205 - Co-mingled polyurethane-polyvinyl ester polymer compositions and a process ... - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inAdvanced Patent SearchPatentsA co-mingled polyurethane-polyvinyl ester composition can be used as a coating, which has good scratch, mar and solvent resistance. The coating is derived from a waterborne polyurethane solution containing free radically polymerizable monomers such as acrylate, ultraviolet light initiators, and optionally...http://www.google.com/patents/US20020160205?utm_source=gb-gplus-sharePatent US20020160205 - Co-mingled polyurethane-polyvinyl ester polymer compositions and a process for forming the sameAdvanced Patent SearchPublication numberUS20020160205 A1Publication typeApplicationApplication numberUS 10/120,807Publication dateOct 31, 2002Filing dateApr 11, 2002Priority dateFeb 18, 2000Also published asEP1257589A1, US6436540, US6797102, WO2001060878A1Publication number10120807, 120807, US 2002/0160205 A1, US 2002/160205 A1, US 20020160205 A1, US 20020160205A1, US 2002160205 A1, US 2002160205A1, US-A1-20020160205, US-A1-2002160205, US2002/0160205A1, US2002/160205A1, US20020160205 A1, US20020160205A1, US2002160205 A1, US2002160205A1InventorsGuillermina Garcia, Raymond Weinert, Martin FayOriginal AssigneeOmnova Solutions Inc.Export CitationBiBTeX, EndNote, RefManReferenced by (11), Classifications (24), Legal Events (4) External Links: USPTO, USPTO Assignment, EspacenetCo-mingled polyurethane-polyvinyl ester polymer compositions and a process for forming the same
EXAMPLES Examples 1-4 Sample Preparation [0064] The waterbase/UV hybrid coatings presented in this disclosure were prepared from the following formulations. Zeneca Sartomer Irgacure Zeneca 9603 9035 500 CX100 Waterborne aliphatic 100 parts urethane polymer Waterborne aliphatic 100 parts 2 parts urethane polymer + Polyaziridine Waterborne aliphatic 100 parts 11.2 parts 0.8 parts urethane polymer + Ethoxylated Triacrylate Waterborne aliphatic 100 parts 11.2 parts 0.8 parts 2 parts urethane polymer + Ethoxylated Triacrylate + Polyaziridine [0065] Coatings were applied to PVC sheets with a #3 drawdown bar. The applied coatings were dried in a lab oven. Coatings containing UV curable components were passed under the UV lamps in a laboratory UV curing system to form a laminate. The PVC substrate was 0.016 inch thick with a moderately embossed surface. Drying conditions were as follows: Oven Temperature 178� F. Oven Time 120 seconds [0066] Curing (polymerization) conditions were as follows: UV Curing Two 200 watts/cm lamps Conveyor Speed 30 yars/min Approximate Dosage 90 mJ/cm2 (250-260 nm) [0067] The physical testing was carried out on coated PVC films (laminate) before and after thermoforming in the Greco membrane press. The press cycle (thermoforming) is described below. [0068] 1. Coated PVC (laminate) is placed over a MDF board [0069] 2. Flexible membrane is laid over laminate and MDF board [0070] 3. The membrane is heated to 305-310� F. [0071] 4. A vacuum pulls the membrane tightly around the laminate and MDF board (thermoforming). Heat is maintained for 1 minute. [0072] 5. Heat is removed and membrane is allowed to cool for 1 minute while vacuum is maintained [0073] 6. After 1 minute cooling, vacuum is released and sample is removed. [0074] 7. Maximum surface temperature of PVC is measured and recorded with a temperature indicating tape. The target temperature was 180� F. [0075] The following test procedures were used to measure coating durability Scratch Resistance [0076] Scratch resistance was measured with a �Balance Beam Scrape Adhesion and Mar Tester� that is manufactured by the Paul N. Gardner Company, Inc.. A Hoffman stylus was used to scratch the coatings. The scratch resistance given in the table above is the high stylus load the coating can withstand with out scratching. Burnish Mar [0077] Mar resistance was determined by firmly rubbing a polished porcelain pestle on the coating surface. The severity of a mark is visually as- sesses as Moderate, Slight or None. Solvent Resistance (MEK Double Wipes) [0078] A cloth towel was soaked with MEK and gently rubbed on the coated surface in a back and forth manner. One back and forth movement was counted as one wipe. The coated surface was wiped until a break in the coating surface first became visible. Coating Crack [0079] After thermoforming the coated PVC films to molded MDF parts, the corners and edges were visually inspected for coating cracks. Discussion of Results [0080] Physical test results are given in Table 1. [0081] Addition of the ethoxylated triacrylate to the waterborne aliphatic urethane dispersion resulted in improved scratch and mar resistance. The results also show an improvement in scratch and mar resistance after thermoforming. [0082] The ethoxylated triacrylate produced a greater increase in scratch and mar resistance than the thermal crosslinker, polyaziridine. However, the best scratch and mar resistance is obtained with a combination of ethoxylated triacrylate and polyaziridine. [0083] Addition of the ethoxylated triacrylate resulted in a modest increase in solvent resistance. TABLE I Durability Test results from UV/Waterbase Hybrid Coatings Scratch Re- MEK Thermo- sistance Burnish Double Coating Coating formed (g) Mar Wipes Crack Example 1 No 1900 Moderate 11 � Waterborne Yes 2100 Moderate 24 None aliphatic urethane polymer (Zeneca 9603) Example 2 No 2200 Moderate 12 � Waterborne Yes 2800 Moderate- 17 None aliphatic urethane Slight polymer (Zeneca 9603) + Polyaziridine (CX100) Example 3 No 2500 Moderate- 20 � Waterborne None aliphatic urethane Yes 3200 Slight- 21 None polymer (Zeneca None 9603) + Ethoxylated Triacrylate (Sartomer 9035) + Example 4 No 3000 Slight- 22 � Waterborne None aliphatic urethane Yes 3500 None 21 None polymer (Zeneca 9603) + Ethoxylated Triacrylate (Sartomer 9035) + Polyaziridine (CX100) Examples 5-9 Low Gloss Waterborne/UV Hybrid Coating for Paper and Plastic Decorative Laminate [0084] The disclosed coating describes a waterborne/UV hybrid coating for thermoformable vinyl laminates. These laminates are widely used as thermoformable foils for molded substrates. A common example of this application is kitchen cabinet doors. [0085] Flattening agents are often added to protective coatings to produce a low gloss appearance. The following example describes the effect of flatting agents and polyethylene wax to the durability of waterborne/UV hybrid coatings. Sample Preparation [0086] The waterborne/UV hybrid coatings presented in this disclosure were prepared from the following formulations. Zenec-9603 Waterborne Sartomer- Shamrock W.R. Grace Martinswerk aliphatic 9035 Ciba Geigy- Zeneca- Neptune 1N1 Syloid 7000 Pergopak M3 urethane Ethoxylated Irgacure 500 UV CX100 Polyethylene Silica Flatting Ureaformaldehyde Examples polymer Triacrylate photoinitiator Polyaziridene wax Agent flat- 5 100 11.2 0.8 2 6 87.75 10 0.75 3 3 7 87.75 10 0.75 3 3 8 87.75 10 0.75 3 1 1 9 87.75 10 0.75 3 1 1 [0087] Coats were applied to PVC sheets in a manner as described hereinabove with regard to Examples 1 through 4. Similarly, the same tests and test procedures were utilized. The results of the test were as follows: Testing Results [0088] Examples 5 to 9: Durability Test results from Low Gloss UV/Waterborne Hybrid Coatings Scratch Thermo- Resistance Burnish Coating Gloss formed (g) Mar Crack % Example 5: No 3000 Slight-None � 44 No flatting agent Yes 3500 None None or polyethylene wax Example 6: No 1800 Moderate � 10 Syloid 7000 Yes 1900 Moderate None Example 7: No 1400 Moderate � 9 Pergopak M3 Yes 1300 Moderate None Example 8: No 2500 Moderate � 11 Syloid 7000 + Yes 3000 Moderate None Neptune 1N1 Example 9: No 2700 Slight � 11 Pergopak M3 + Yes 4500 Slight- None Neptune 1N1 Moderate [0089] As apparent from the above data, none of the coatings 10 cracked after thermoforming. Moreover, Examples 6 through 9, which contained flattening agents contained good gloss reduction. [0090] While in accordance with the patent statutes the best mode and preferred embodiment has been set forth, the scope of the invention is not limited thereto, but rather by the scope of the attached claims. Referenced byCiting PatentFiling datePublication dateApplicantTitleUS7326044May 5, 2003Feb 5, 2008Ortho-Active Holdings Inc.Rapid thermoform pressure forming process and apparatusUS7736745 *May 24, 2005Jun 15, 2010Hontek CorporationMatte overcoatings that protect against rain and sand erosion damage on leading edge surfaces of helicopter rotor blades, propeller blades, aircraft wings, radomes, and antenna composed of a polyurethane and a polyisocyanate cured with an aldimine, a ketimine, or a polyaspartic esterUS7910012Jul 16, 2007Mar 22, 2011General Electric CompanyComposition, membrane, and associated methodUS7927711May 1, 2007Apr 19, 2011Sipix Chemical Inc.Durable layer composition for in-mold decorationUS8091227Dec 14, 2006Jan 10, 2012Hontek CorporationMethod of repairing an airfoil surfaceUS8124235Jun 11, 2010Feb 28, 2012Hontek CorporationMethod of making matte airfoil coatingsUS8501288 *Dec 5, 2007Aug 6, 2013Iya Technology Laboratories, LlcImage transfer paperUS8507055Nov 16, 2010Aug 13, 2013Iya Technology Laboratories, LlcLaser or dye sublimation printable image transfer paperUS8557388Jun 15, 2010Oct 15, 2013Hontek CorporationErosion resistant coatings for leading edges of airfoilsUS20130196069 *Mar 12, 2013Aug 1, 2013Dsm Ip Assets B.V.D1451 multi-layer film drawdown methodWO2013062630A2 *Jun 12, 2012May 2, 2013Unipixel Displays, Inc.Flexible scratch resistance film for display devices* Cited by examinerClassifications U.S. Classification428/423.1, 428/425.1, 522/85, 156/275.5, 428/424.6, 525/127, 428/423.7, 428/424.8, 428/424.2, 522/84, 428/423.5, 522/96International ClassificationC09D175/04, C08G18/08, C08F283/00, C08G18/83Cooperative ClassificationC08G18/0823, C09D175/04, C08G18/833, C08F283/006European ClassificationC08F283/00B, C09D175/04, C08G18/83C, C08G18/08B6CLegal EventsDateCodeEventDescriptionNov 18, 2008FPExpired due to failure to pay maintenance feeEffective date: 20080928Sep 28, 2008LAPSLapse for failure to pay maintenance feesApr 7, 2008REMIMaintenance fee reminder mailedJun 17, 2003ASAssignmentOwner name: BANK ONE, NA, AS AGENT, ILLINOISFree format text: SECURITY INTEREST;ASSIGNOR:OMNOVA SOLUTIONS, INC.;REEL/FRAME:014137/0401Effective date: 20030528Owner name: BANK ONE, NA, AS AGENT 120 S. LASALLE STREET 8TH FFree format text: SECURITY INTEREST;ASSIGNOR:OMNOVA SOLUTIONS, INC. /AR;REEL/FRAME:014137/0401RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services