Polyvinylbutyral films which contain plasticizer and have a redu

Details Polyvinylbutyral films which contain plasticizer and have a redu Polyvinylbutyral films which contain plasticizer and have a redu

1984-01-31

1985-08-06

Lilling, Herbert J.

Stock material or miscellaneous articles

Composite

Of quartz or glass

524157, 524394, 524503, 525 56, 525 61, C08L 2914, C08L 2904, C08K 322, C08K 517

Patent

active

045336016

ABSTRACT:
The reduction of the adhesion to glass of thermoplastic polyvinylbutyral molding compositions, in particular films, which contain plasticizer and in which the polyvinylbutyral component has an increased content of vinyl alcohol units, by addition of a combination of potassium hydroxide, potassium formate or potassium acetate and a compound having a betaine structure, as the anti-adhesive agent. Use of the films with reduced adhesion to glass as the bonding layer for the production of glass laminates.

REFERENCES:
patent: 3271233 (1966-09-01), Lavin et al.
patent: 3271234 (1966-09-01), Lavin et al.
patent: 3271235 (1966-09-01), Lavin et al.
patent: 3920878 (1975-11-01), Fariss et al.
patent: 4017444 (1977-04-01), Mont et al.
patent: 4027069 (1977-05-01), Mont et al.
patent: 4165565 (1979-07-01), Hermann et al.
patent: 4210705 (1980-07-01), Inskip
patent: 4292372 (1981-09-01), Moynihan
patent: 4379116 (1983-04-01), Moynihan

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