Acid catalyzed silicone release layers

Details Acid catalyzed silicone release layers Acid catalyzed silicone release layers

1990-08-13

1992-08-18

Padgett, Marianne

Coating processes

Electrical product produced

Welding electrode

427 44, 427 531, 427 55, 427387, 4274121, B05D 306, B05D 302, B05D 136

Patent

active

051398150

ABSTRACT:
A release sheet for adhesive products is provided wherein an acidic material such as an acidic polymer is disposed between a substrate layer and an acid catalyzed silicone release layer. The acid catalyzed silicone release layer is preferably a photocationic curable cycloaliphatic epoxy functional poly-dimethyl-siloxane. Provision of the acidic material between the silicone release layer and the substrate prevents neutralization of acids formed during cure of the silicone layer. Thus, faster cure times can be achieved.

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