[특허]Co-mingled polyurethane-polyvinyl ester polymer compositions and laminates

[미국특허] Co-mingled polyurethane-polyvinyl ester polymer compositions and laminates 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B32B-027/00 C08L-033/06 C08L-075/04 C09D-133/06 C09D-175/04
출원번호	US-0507775 (2000-02-18)
발명자 / 주소	Guillermina C. Garcia Raymond J. Weinert Martin J. Fay
출원인 / 주소	OMNOVA Solutions Inc.
대리인 / 주소	Robert F. Rywalski
인용정보	피인용 횟수 : 25 인용 특허 : 28

초록 ▼

A 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 urethane crosslinking agents. A process for forming the co-mingled polyurethane-polyvinyl ester composition comprises drying the waterborne polyurethane containing the polymerizable monomers therein and radiation polymerizing, as by ultraviolet light, the free radically polymerizable monomers on a substrate such as a plastic sheet to form a laminate. Subsequently, the laminate can be utilized to form a coating on a product as by thermoforming, where if urethane crosslinking agents are utilized, the polyurethane will be crosslinked.

대표청구항 ▼

1. A laminate comprising:a dry polymer coating on a substrate, said coating comprising a co-mingled polyurethane and a poly(vinyl ester) polymer derived from a dried waterborne polyurethane solution containing one or more free radically polymerizable vinyl ester oligomers, said vinyl ester oligomers free radically polymerized in said dry coating, said polyurethane derived from at lease one polyol intermediate, at least one polyol dispersant agent, and at least one polyisocyanate, a chain extender, and an optional urethane crosslinker, wherein said polyol intermediate comprises a polyester polyol, wherein, said polyisocyanate has the formula R(NCO)2, where n is from about 2 to about 4, wherein R is an aliphatic group having from about 2 to about 20 carbon atoms; wherein, the equivalent ratio of said NCO to said OH groups of said polyol intermediate and said polyol dispersant is from about 0.8 to about 1.2, wherein said polyurethane has been neutralized, wherein said dispersant is a compound having the formula [EQU4] wherein R is hydrogen or an alkyl containing from 1 to about 16 carbon atoms, wherein said vinyl ester oligomer comprises alkoxylated (meth)acrylate wherein said (meth) group may or may not exist, wherein the number of said (meth)acrylate groups is from about 2 to about 4, wherein the ester portion of said (meth)acrylate comprises an alkyl group having from 1 to 10 carbon atoms, and wherein the amount of alkoxy groups is from about 3 to about 20, wherein said alkoxylated (meth)acrylate is ultraviolet (UV) polymerizable, and wherein the amount of said alkoxylated (meth)acrylated is from about 5 to about 75 parts by weight for every 100 parts by weight of said polyurethane.

이 특허에 인용된 특허 (28) 인용/피인용 타임라인 분석

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Frisch Harry L. (132 Mosher Rd. Delmar NY 12054) Frisch Kurt C. (17986 Parke La. Grosse Ile MI 48138) Klempner Daniel (29340 Dequindre Rd. ; Apt. 204 Warren MI 48221), Interpenetrating polymeric networks.
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Lo Huey-Huey,TWX ; Jan Yi-Hung,TWX ; Wen Huey-Zong,TWX ; Chen Wen-Jiunn,TWX ; Chang Nien-Shi,TWX, Particulate aqueous polyurethane dispersion and process for producing the same.
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Gould Francis E. (Princeton NJ) Johnston Christian W. (Neshanic Station NJ), Polyurethane acrylate compositions.
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Sorathia Usman A. (Arnold MD) Dapp Timothy L. (Bowie MD), Polyurethane-acrylic interpenetrating polymer network acoustic damping material.
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Schwarte Stephan,DEX ; Wegner Egon,DEX ; Reusmann Gerhard,DEX ; Petri-Huber Cornelia,DEX, Polyurethane-modified polyacrylate.
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Short William T. (Southfield MI) Hoerner Rebecca S. (Grosse Point Woods MI), Process of making thermoformable laminate films and processes.
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Nair Mridula ; Jones Tamara K. ; Lobo Lloyd A. ; Schell Brian A., Protective overcoat for photographic elements.
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Duan Youlu ; Wei Yi ; Zhu Yuduo ; Stammler Sonja E. ; Marty Brian L. ; Haider Gary J. ; Davies Ronald R. ; Maksymkiw Michael J., Stable aqueous polyurethane dispersions.
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Xiao Han Xiong ; Geng Peng ; Frisch Kurt C., Stain resistant, water repellant, interpenetrating polymer network coating-treated textile fabric.
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Anton Douglas R. (Wilmington DE), Surface coating compositions containing fluoroalkyl esters of unsaturated fatty acids.
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McGinniss ; Vincent Daniel ; Seidewand ; Robert Joseph ; Erickson ; Ja mes Robert, Ultraviolet curable latexes.
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Chen Der-Shyang (Miaoli Hsien TWX), Water dispersible polyurethane and process for preparation thereof.
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[미국특허] Co-mingled polyurethane-polyvinyl ester polymer compositions and laminates 원문보기

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[미국특허] Co-mingled polyurethane-polyvinyl ester polymer compositions and laminates 원문보기

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이 특허에 인용된 특허 (28) 인용/피인용 타임라인 분석

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