Preparation of arylene sulfide ketone polymers

Details Preparation of arylene sulfide ketone polymers Preparation of arylene sulfide ketone polymers

1990-10-31

1992-04-28

Anderson, Harold D.

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

Synthetic resins

From ketone or ketene reactant

528223, 528224, 528388, C08G 200, C08G 400, C08G 7514

Patent

active

051091020

ABSTRACT:
This invention relates to making an arylene sulfide ketone polymer. In accordance with this invention, a diahloaromatic ketone, a polar organic compound, and an alkali metal sulfide are mixed together to form a first reaction mixture. This first reaction mixture is subjected to a first set of polymerization conditions effective to produce a polymerization mixture. This polymerization mixture is then dehydrated to form a dehydrated polymerization mixture. Additional dihaloaromatic ketone and polar organic compound is then mixed with the dehydrated polymerization mixture to form a second reaction mixture. This second reaction mixture is then subjected to a second set of polymerization conditions such that an arylene sulfide ketone polymer is formed.

REFERENCES:
patent: 4116947 (1978-09-01), Edmonds et al.
patent: 4645826 (1987-02-01), Iizuka et al.
patent: 4812552 (1989-03-01), Cliffton et al.

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