Semiaromatic polyamide resin composition

Details Semiaromatic polyamide resin composition Semiaromatic polyamide resin composition

1998-03-12

2000-09-12

Seidleck, James J.

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

Synthetic resins

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

524261, C08G 6348

Patent

active

061179426

ABSTRACT:
A semiaromatic polyamide resin composition of the present invention contains a polyamide (A) in which a dicarboxylic acid component unit comprises a terephthalic acid component unit and a diamine component unit comprises a straight-chain alkylenediamine component unit and an alkylenediamine component unit having a side-chain alkyl group; and a modified ethylene/.alpha.-olefin copolymer (B) obtained by graft-modifying an ethylene/.alpha.-olefin copolymer having particular properties with an unsaturated carboxylic acid or a derivative thereof. A molded article obtained by using this composition exhibits excellent anti-creeping property under high-temperature and high-humidity conditions, and causes the metal mold to be little fouled during the molding operation.

REFERENCES:
patent: 5336540 (1994-08-01), Kato et al.
patent: 5405904 (1995-04-01), Ikejiri et al.
patent: 5480937 (1996-01-01), Yoshihara
patent: 5482998 (1996-01-01), Muehlbach et al.
patent: 5543452 (1996-08-01), Nakahashi et al.

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