Plasticizer containing polyvinylbutyral sheets having a...

C - Chemistry – Metallurgy – 08 – L

Patent

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Details

154/46, 400/9230

C08L 29/14 (2006.01) B32B 17/10 (2006.01) C08K 5/17 (2006.01) C09D 129/14 (2006.01)

Patent

CA 1094714

Abstract of the Disclosure Plasticizer containing polyvinylbutryal sheets are known intermediate layers for glass laminates. Generally, the poly- vinylbutyral used for this application contains certain amounts of vinyl alcohol units and vinyl acetate units. In order to adjust an optimum adhesion to glass, certain additives are mixed with the polyvinylbutyral, which additives must not cause dis- coloration of the laminate and deterioration of the transparen- cy. Betains are especially suitable anti-adhesives, and efficient in very small amounts already.

288701

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