Thermoplastic resin composition

Details Thermoplastic resin composition Thermoplastic resin composition

C - Chemistry, Metallurgy

08

L

400/4603, 400/58

C08L 77/00 (2006.01) C08L 23/02 (2006.01) C08L 23/08 (2006.01)

Patent

CA 1335131

A thermoplastic resin composition having a flexural modulus as defined in JIS K7203 of from 500 to 15,000 kg/cm2, which is obtainable by partial crosslinking upon melt kneading a mixture comprising: (A) from 20 to 60 parts by weight of a polyamide resin; and (B) from 80 to 40 parts by weight of an ethylene copolymer comprising (a) from 40 to 90% by weight of an ethylene unit, (b) from 5 to 60% by weight of an .alpha.,.beta.- unsaturated carboxylic acid alkyl ester unit, and (c) from 0.3 to 10% by weight of a maleic anhydride unit or a partially ionized maleic anhydride unit; with (C) from 0.01 to 20 parts by weight, based on 100 parts by weight of the sum of the components (A) and (B), of a polyfunctional compound containing at least two functional groups which are reactive to a carboxyl group, a carboxylic anhydride group, or an amino group, in the molecule thereof, is disclosed. The thermoplastic resin composition of this invention is excellent in impact strength at low temperatures, small in heat distorsion, and large in tensile strength at break and has a good balance between mechanical properties and thermal properties.

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