Polyvinyl chloride resin composition

Details Polyvinyl chloride resin composition Polyvinyl chloride resin composition

1992-12-01

1994-09-20

Kight, III, John

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525 57, 525 59, 525 73, 525 78, 525 82, 525 83, 525305, 525310, C08L 904, C08F26504

Patent

active

053490177

ABSTRACT:
A polyvinyl chloride resin composition comprising (i) 100 parts by weight of a polyvinyl chloride resin and (ii) 2 to 40 parts by weight of a multi-stage copolymer obtained by polymerizing resin component formable monomers in the range of from more than 30 parts by weight to 50 parts by weight in three stages onto 50-70 parts by weight of a butadiene elastomer having a glass transition temperature ranging from -40.degree. C. to 5.degree. C. obtained by a copolymerization of a monomer mixture of 70 to 90% by weight of butadiene, 10 to 30 percent by weight of an aromatic vinyl monomer and a polyfunctional monomer added in an amount corresponding to 3 to 10 parts by weight per 100 parts by weight of the total amount of the butadiene and aromatic vinyl monomer.

REFERENCES:
patent: 3886235 (1975-05-01), Tanaka et al.
patent: 3971835 (1976-07-01), Myers et al.
patent: 4362845 (1982-12-01), Kamata et al.
patent: 4657976 (1987-04-01), Ott et al.

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