Production process of alkylene thioether-arylene thioether copol

Details Production process of alkylene thioether-arylene thioether copol Production process of alkylene thioether-arylene thioether copol

1992-07-08

1997-02-25

Marquis, Melvyn I.

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

Synthetic resins

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

528388, C08F28300

Patent

active

056059876

ABSTRACT:
Disclosed herein is a process for the production of an alkylene thioether-arylene thioether copolymer, which comprises copolymerizably reacting a compound having at least one alkali thiolate group and obtained by causing an alkali metal sulfide to act on a poly(arylene thioether) in a water-containing polar organic solvent so as to depolymerize the poly(arylene thioether) with a dihalogen-substituted aliphatic compound in a water-containing polar organic solvent.

REFERENCES:
patent: 3919177 (1975-11-01), Campbell
patent: 4645826 (1987-02-01), Iizuka et al.
patent: 5066775 (1991-11-01), Dorf et al.

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