Flexible overpolymers of vinyl chloride polymers on ethylene cop

Details Flexible overpolymers of vinyl chloride polymers on ethylene cop Flexible overpolymers of vinyl chloride polymers on ethylene cop

1990-05-18

1991-10-08

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, 525 64, 525 80, C08L 3100

Patent

active

050555154

ABSTRACT:
Flexible elastomers are provided having a Shore A hardness of less than or equal to about 95. In one embodiment, the elastomers are blends of an overpolymer and/or graft polymer with a plasticizer or blending agent. In another embodiment, the overpolymers are flexible without the need for a plasticizer or blending agent. These overpolymers have an ethylene copolymer substrate overpolymerized with a vinyl chloride type monomer and optionally a comonomer, including an acrylate comonomer. The elastomers are distinguished by the Shore A values and in some instances by haze values of less than or equal to about 50 percent.

REFERENCES:
patent: 4605704 (1986-08-01), Eastman et al.
patent: 4657976 (1987-04-01), Ott et al.
patent: 4661549 (1987-04-01), Walker
patent: 4752639 (1988-06-01), Haller et al.

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