Polyarylene thioether composition containing polyarylene ether n

Details Polyarylene thioether composition containing polyarylene ether n Polyarylene thioether composition containing polyarylene ether n

1988-04-15

1989-06-06

Anderson, Harold D.

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

Synthetic resins

From sulfur-containing reactant

524392, 525537, C08G 7502

Patent

active

048372943

ABSTRACT:
Disclosed herein is a polyarylene thioether composition comprising: 100 parts by weight of a polyarylene thioether (A) which contains not less than 70 wt % of a repeating unit of ##STR1## and 0.01 to 15 parts by weight of a polyarylene thioether (B), which is a nucleating agent and contains not less than 50 wt % of a repeating unit of ##STR2## as the main constituent and has a melting point of not lower than 290.degree. C. or a melt crystallization temperature of not lower than 220.degree. C. This composition may further comprise 0.1 to 300 parts by weight of an inorganic filler and/or a fibrous filler. A 50% crystallization time, t.sub.1/2, at 250.degree. C. of the polyarylene thioether composition is not more than 1/1.5 of the 50% crystallization time of a polyarylene thioether which does not contain the polyarylene thioether (B) Accordingly, its melt molding cycle is short and its molded product has a high strength.

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