Thermoplastic molding compositions of polyvinylbutyral containin

Details Thermoplastic molding compositions of polyvinylbutyral containin Thermoplastic molding compositions of polyvinylbutyral containin

1984-01-31

1985-08-27

Lilling, Herbert J.

Stock material or miscellaneous articles

Composite

Of quartz or glass

156 99, 156106, 1563093, 1563244, 524137, 524138, 524139, 524140, 524141, 524142, 524144, 524145, 524557, C08L 2914, C08K 510, C08K 552, B32B 1710

Patent

active

045378304

ABSTRACT:
Thermoplastic molding compositions comprising 65-80% by weight (based on the molding composition) of a polyvinylbutyral which preferably contains 19-28% by weight (based on the polyvinylbutyral) of vinyl alcohol units, and 35-20% by weight (based on the molding composition) of a plasticizer mixture of 50-99% by weight (based on the plasticizer mixture) of a di-, tri- or tetra-glycol diester and 50-1% by weight (based on the plasticizer mixture) of a phosphoric acid triester. The preparation of the molding compositions by mixing the constituent components and their use for the production of shaped thermoplastic articles, in particular high-strength films for use as the bonding intermediate layer in the production of laminated glass.

REFERENCES:
patent: 3922456 (1975-11-01), Baldridge
patent: 3950305 (1976-04-01), Schmidt
patent: 3998792 (1976-12-01), Hermann et al.
patent: 4128694 (1978-12-01), Fabel et al.
patent: 4130684 (1978-12-01), Littell et al.
patent: 4144217 (1979-03-01), Snelgrove et al.
patent: 4230771 (1980-10-01), Phillips
patent: 4276351 (1981-06-01), Phillips
patent: 4361625 (1982-11-01), Beckmann et al.
patent: 4385951 (1983-05-01), Pressau

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