Copolymer blends

Details Copolymer blends Copolymer blends

1985-12-19

1989-07-11

Seccuro, Carman J.

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

Synthetic resins

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

525 98, C08L 5302, C08L 2516, C08L 2312, C08L 2306

Patent

active

048473260

ABSTRACT:
Novel copolymer blends comprising (a) a copolymer of alkenyl aromatic monomers containing from about 10 to about 70 percent by weight of an isopropenyl aromatic monomer, (b) a block copolymer having an alkenyl aromatic monomer blocks and polybutadiene blocks containing from about 10 to about 70 percent by weight isopropenyl aromatic monomer in the alkenyl aromatic block and from about 15 to about 50 weight percent butadiene, (c) a block copolymer having alkenyl aromatic monomer blocks and polybutadiene blocks containing from about 10 to about 70 percent by weight isopropenyl aromatic monomer in the alkenyl aromatic monomer and from about 55 to about 80 weight percent butadiene, and (d) a polyolefin.

REFERENCES:
patent: 3980736 (1976-09-01), Agouri et al.
patent: 4031166 (1977-06-01), Bronstert et al.
patent: 4039629 (1977-08-01), Himes et al.
patent: 4267283 (1981-05-01), Whitehead
patent: 4302554 (1981-11-01), Nabeta et al.
patent: 4386187 (1983-05-01), Groncio et al.
patent: 4391927 (1983-07-01), Farmer
patent: 4495323 (1985-01-01), Collins

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