Modified block copolymer composition

Details Modified block copolymer composition Modified block copolymer composition

1985-08-26

1987-04-14

Lieberman, Allan M.

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

Synthetic resins

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

525 64, 525 65, 525 66, 525 67, 525 68, 525 69, C08L 5104, C08L 5106, C08L 5302, C08L 7700

Patent

active

046579710

ABSTRACT:
A modified block copolymer composition comprising a thermoplastic polymer and a modified block copolymer consisting essentially of a base block copolymer of a monovinyl substituted aromatic hydrocarbon polymer block and an olefin compound polymer block having an ethylenic unsaturation degree not exceeding 20%, the base block copolymer having a molecular unit containing a carboxylic acid group and/or a group derived therefrom grafted thereto. The modified block copolymer composition of the present invention is a resinous composition excellent in impact resistance, adhesion, paint adhesion, weatherability, resistance to thermal deterioration, transparency and gloss or a rubbery or leather-like composition excellent in heat resistance, abrasion resistance, compression set resistance, adhesion, transparency, oil resistance, weatherability and resistance to heat aging.

REFERENCES:
patent: 3792124 (1974-02-01), Davison et al.
patent: 3845163 (1974-10-01), Murch
patent: 3972961 (1976-08-01), Hammer et al.
patent: 4017557 (1977-04-01), Hammer et al.
patent: 4041103 (1977-08-01), Davison et al.
patent: 4218545 (1980-08-01), Serini et al.
patent: 4292414 (1981-09-01), Saito et al.
patent: 4427828 (1984-01-01), Hergenrother et al.

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