C - Chemistry – Metallurgy – 09 – J
Patent
C - Chemistry, Metallurgy
09
J
117/28, 204/91.6
C09J 7/02 (2006.01) B05D 1/36 (2006.01) B05D 5/08 (2006.01) B05D 7/00 (2006.01) B32B 27/08 (2006.01) C09D 127/12 (2006.01)
Patent
CA 2306390
A multi-layered film disposed upon a substrate, the multi-layer film comprising: (a) an interpenetrating polymer network (IPN) layer; and (b) at least one fluoro-containing polymer layer. The multi-layered film of the present invention as described above wherein the fluoro-containing polymer layer comprises a perfluoro-acrylate homo- or co-polymer or a perfluoro-vinyl non-acrylate homo- or co-polymer and such layer is typically sequenced between the PSA layer and the IPN layer. The multi-layered film of the invention is disposed upon a substrate. The substrate can be a cured adhesive, preferably a cured pressure-sensitive adhesive. Alternatively, the substrate can be a surface to be protected from exposure to weather, chemical exposure, graffiti, or the like, such as, for example, a vehicle such as an automobile, a truck, a boat, or an aircraft; an outdoor sign, or a building exterior.
Film multicouche disposé sur un substrat et comprenant: a) une couche réseau de polymères interpénétrants (alliage IPN); et b) au moins une couche polymère contenant du fluor. Selon l'invention, la couche polymère contenant du fluor comprend un homopolymère ou un copolymère de perfluoro-acrylate ou un homopolymère ou un copolymère de perfluorovinyle non acrylate et elle est typiquement intercalée entre la couche d'adhésif autocollant et la couche d'IPN. Le film est disposé sur un substrat. Celui-ci peut être un adhésif durci, de préférence un adhésif autocollant durci, ou bien une surface devant être protégée des intempéries, des produits chimiques, des graffiti, etc., par exemple un véhicule tel qu'une automobile, un camion, un bateau ou un avion, ou bien un panneau extérieur ou l'extérieur d'un bâtiment.
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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