Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Adhesive outermost layer
Patent
1997-04-09
2000-05-23
Davis, Jenna
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Adhesive outermost layer
C09J 702
Patent
active
060663944
ABSTRACT:
A plasticized polyvinylchloride (PVC) substrate coated with a plasticizer-resistant pressure-sensitive adhesive comprising a plasticized PVC substrate on which is deposited an adhesive acrylic PSA polymerized in the presence of a chain transfer agent, comprising about 50 to about 99.8% C.sub.1 -C.sub.12 alkyl acrylate monomer, 0 to about 40% vinyl unsaturated monomer, 0.1 to about 10% carboxylic acid functionalized monomer, 0 to about 10% hydroxyl functionalized monomer and about 0.1 to about 10% internal crosslinking monomer wherein the PSA has a glass transition temperature, T.sub.g, of less than -10.degree. C. and greater than about -45.degree. C. and wherein said substrate retains at least 40% peel adhesion and 50% shear strength after heat aging.
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Abstract: WO 9727261A (19970731) discloses pressure sensitive adhesive comprising an aqueous dispersion of a copolymer of acrylic esters made in the presence of methacrylic anhydride as crosslinking monomer carrying a functional group, the copolymer having a glass transition temperature Tg which does not exceed 0 deg. C.
Hoff Susanne Marie
Ternorutsky Leo
Davis Jenna
Sieckmann Gordon F.
Solutia Inc.
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