Polymeric film

Details Polymeric film Polymeric film

1995-11-21

1997-09-16

Zirker, Daniel

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Adhesive outermost layer

423352, 423480, 423483, 4272071, B32B 2740, B32B 712, B29C 3368

Patent

active

056678894

ABSTRACT:
A polymeric film has a substrate layer having a primer layer of a polyurethane resin containing at least one ethylenically unsaturated group. The primer layer provides good adhesion to a subsequently applied release layer. The substrate is preferably a polyester film. Suitable release layers contain cured silicone resins.

REFERENCES:
patent: 4002794 (1977-01-01), Schwarcz
patent: 4374883 (1983-02-01), Winslow
patent: 4496675 (1985-01-01), Hille et al.
patent: 4873140 (1989-10-01), McIntyre
patent: 5082738 (1992-01-01), Swofford
patent: 5108782 (1992-04-01), Reed
patent: 5415935 (1995-05-01), Pankratz
WPI Abstract Acc No. 86-128558/20 and JP61066647 Mitsubishi Monsanto.
WPI Abstract Acc No. 85-58165E/28 and JP57090022 Dainippon Printing KK.

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