Polyvinyl alcohol composition, process for its preparation and i

Details Polyvinyl alcohol composition, process for its preparation and i Polyvinyl alcohol composition, process for its preparation and i

1981-05-07

1983-01-18

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

525 58, C08K 505

Patent

active

043692818

ABSTRACT:
A molding composition on the basis of polyvinyl alcohol substantially consists of a partially solvolyzed graft copolymer of a vinyl ester and a polyethylene glycol or of a mixture of such graft copolymer with a partially solvolyzed polyvinyl ester as well as of water and optionally a polyhydric alkanol. The composition is obtained by mixing the granular polymers used in each case with the other components. It is water-soluble, flowable and thermoplastically workable and is suitable for the preparation of any shaped articles, especially sheets.

REFERENCES:
patent: 4119604 (1978-10-01), Wysong

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