Producing high molecular weight poly(arylene sulfide) polymers b

Details Producing high molecular weight poly(arylene sulfide) polymers b Producing high molecular weight poly(arylene sulfide) polymers b

Filed on

1990-12-03

Date issued

1992-12-15

Examiner

Anderson, Harold D.

Patent Class

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

SubClass

Synthetic resins

SubSubClass

From sulfur-containing reactant

Other Related Categories

528387, C08G 7516

Type

Patent

Status

active

Patent number

051718316

Description

ABSTRACT:
A process for producing an easily recoverable poly(arylene sulfide) polymer having a melt flow of less than 130 g/10 min., which processes comprises:

REFERENCES:
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patent: 3800845 (1974-04-01), Scoggin
patent: 3919177 (1975-11-01), Campbell
patent: 4415729 (1983-11-01), Scoggins et al.
patent: 4524200 (1985-06-01), Sherk et al.
patent: 4645826 (1987-02-01), Iizuka et al.
patent: 4730034 (1988-03-01), Nesheiwat et al.
patent: 4801664 (1989-01-01), Nesheiwat et al.
patent: 4820800 (1989-04-01), Geibel et al.
patent: 4822416 (1989-11-01), Senatore et al.
patent: 5032672 (1991-07-01), Kato et al.

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