Plasticizer-containing films of partially acetalized polyvinyl a

Details Plasticizer-containing films of partially acetalized polyvinyl a Plasticizer-containing films of partially acetalized polyvinyl a

1979-05-10

1982-11-30

Lesmes, George F.

Stock material or miscellaneous articles

Composite

Of polycarbonate

428437, 428524, 428501, 525 51, 525 56, B32B 2736, B32B 1710

Patent

active

043616259

ABSTRACT:
A plasticizer-containing film of a partially acetalized polyvinyl alcohol resin contains as the plasticizer a mixture of an ester of an organic cyclic acid and/or a conventional acetal plasticizer for said resin, and an ester of an oxygen acid of phosphorus.

REFERENCES:
patent: 2222490 (1940-11-01), Robertson
patent: 2290193 (1942-01-01), Kirkpatrick
patent: 3841955 (1974-10-01), Coaker et al.
patent: 4144376 (1979-03-01), Beckmann et al.

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