Flexible blend compositions based on overpolymers of vinyl chlor

Details Flexible blend compositions based on overpolymers of vinyl chlor Flexible blend compositions based on overpolymers of vinyl chlor

1989-11-30

1991-01-08

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...

524567, 524569, 524556, 525 64, 525 80, C08K 3100, C08G 6348

Patent

active

049836650

ABSTRACT:
Flexible blend compositions are provided having a Shore A hardness of less than or equal to about 90. The compositions are blends of an overpolymer and/or graft polymer with a plasticizer or blending agent. The overpolymer has an ethylene copolymer substrate overpolymerized with a vinyl chloride type monomer or comonomer and optionally including an acrylate comonomer. The compositions are distinguished by an absence of shrinkage in hot oil. The compositions generally tend to swell in hot oil.

REFERENCES:
patent: 4605704 (1986-08-01), Eastman
patent: 4661549 (1987-04-01), Walker
patent: 4752639 (1988-06-01), Haller et al.

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