Copolymer blends

Details Copolymer blends Copolymer blends

1989-05-19

1991-03-26

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...

525901, C08L 5302, C08L 2516, C08L 2312, C08L 2306

Patent

active

050030078

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 of polystyrene blocks and conjugated diene blocks containing from about 50 to about 80 weight percent conjugated diene, and (c) 15 to 50 weight percent of a semicrystalline polyolefin.

REFERENCES:
patent: 3445543 (1969-05-01), Gruner
patent: 4031166 (1977-06-01), Bronstert et al.
patent: 4188432 (1980-02-01), Holden et al.
patent: 4219466 (1980-08-01), Yoshida et al.
patent: 4302554 (1981-04-01), Nabeta et al.
patent: 4367312 (1983-01-01), Bohtinck et al.
patent: 4377658 (1983-03-01), Collins
patent: 4386187 (1983-05-01), Grancio
patent: 4495323 (1985-01-01), Collins
patent: 4525532 (1985-06-01), Tung et al.
patent: 4525533 (1985-06-01), Bertrand et al.

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