Thermoplastic elastomer composition

Details Thermoplastic elastomer composition Thermoplastic elastomer composition

1988-11-01

1990-08-07

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...

525194, 525207, C08L 2310, C08L 2316, C08L 2326, C08L 3304

Patent

active

049468960

ABSTRACT:
There is provided a thermoplastic elastomer composition having excellent surface processabilities such as adhesion, paintability and printability together with impact resistance. This composition comprises (A) 20-80% by weight of a polypropylene resin, (B) 5-38% by weight of an ethylene copolymer having 82-98.7 mol % of an ethylene unit, 1-15 mol % of an ester unit selected from alkyl acrylate and methacrylate having an alkyl group of 1-8 carbon atoms and 0.3-3 mol % of an unsaturated dicarboxylic acid anhydride unit and (C) 5-70% by weight of ethylene-propylene and/or ethylene-propylene-non-conjugated diene copolymer rubber which contain 50-85 mol % of an ethylene unit and have a Mooney viscosity at 100.degree. C. of 20-100 and an iodine value of 20 or less.

REFERENCES:
patent: 4387186 (1983-06-01), Statz
patent: 4619969 (1986-10-01), Doi et al.
patent: 4686257 (1987-08-01), Mitsuno et al.

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