Poly(arylene thioether-ketone) copolymer and production process

Details Poly(arylene thioether-ketone) copolymer and production process Poly(arylene thioether-ketone) copolymer and production process

1991-04-18

1994-02-22

Bleutge, John C.

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

Synthetic resins

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

525537, C08F28300, C08G 1400

Patent

active

052888150

ABSTRACT:
Disclosed herein are a poly(arylene thioether-ketone) copolymer comprising (A) at least one poly(arylene thioether-ketone) segment having predominant recurring units of the formula ##STR1## wherein the --CO-- and --S-- are in the para position to each other and (B) at least one poly(arylene thioether) segment having predominant recurring units of the formula ##STR2## (a) the ratio of the total amount of the poly(arylene thioether) segment (B) to the total amount of the poly(arylene thioether-ketone) segment (A) ranging from 0.05 to 5 by weight, (b) the number-average polymerization degree of the poly(arylene thioether) segment (B) being higher than 1 but lower than 10, and (c) said copolymer having a melt viscosity of 2-100,000 poises as measured at 350.degree. C. and a shear rate of 1,200/sec as well as a production process of the poly(arylene thioether-ketone) copolymer.

REFERENCES:
patent: 4960806 (1990-10-01), Satake et al.
patent: 4962143 (1990-10-01), Satake et al.
patent: 4975479 (1990-12-01), Satake et al.
patent: 5153264 (1992-10-01), Satake et al.
Polymer 21, 577 (1980).

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