Molding resin composition

Details Molding resin composition Molding resin composition

1980-10-29

1982-12-28

Ziegler, J.

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...

524296, 525 80, 525 83, 525 84, C08K 512

Patent

active

043662811

ABSTRACT:
A molding resin composition comprising [A] 100 parts by weight of a vinyl chloride resin, [B] 30-110 parts by weight of a graft copolymer wherein 90-50 parts by weight of a monomer mixture consisting of 10-40% by weight of an alkenyl aromatic compound, 20-50% by weight of an alkenyl cyanide compound and 20-50% by weight of a methacrylate is graft-copolymerized on 10-50 parts by weight of polybutadiene or a rubbery copolymer of 60% by weight or more of butadiene and a vinyl monomer copolymerizable therewith (the amount of toluene-insoluble fraction is preferably 50% by weight or less), the degree of grafting being 30-110% and the acetone-soluble fraction of the graft copolymer having an intrinsic viscosity of 0.4-1.5 dl/g as measured in methyl ethyl ketone at 30.degree. C., [C] 3-50 parts by weight of a rubbery acrylonitrile-butadiene copolymer and [D] 15-100 parts by weight of a plasticizer for vinyl chloride resins. Said composition is suitable for producing soft or semi-rigid leather-like sheets by vacuum forming. Said sheets are excellent in heat-resistance, light-resistance and cold-resistance.

REFERENCES:
patent: 3670052 (1972-06-01), Saito et al.
patent: 4042548 (1977-08-01), Abe et al.

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