Production of aromatic sulfide/ketone polymers with alkali metal

Details Production of aromatic sulfide/ketone polymers with alkali metal Production of aromatic sulfide/ketone polymers with alkali metal

1987-09-08

1989-01-03

Anderson, Harold D.

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

Synthetic resins

From ketone or ketene reactant

528125, 528126, 528226, 528388, C08G 6538

Patent

active

047957999

ABSTRACT:
A process is provided for the production of aromatic sulfide/ketone polymers which comprises contacting under suitable polymerization conditions: (1) at least one dihaloaromatic ketone, (2) at least one organic amide, (3) at least one alkali metal hydrosulfide, (4) water, and (5) at least one member selected from the group consisting of (a) alkali metal carbonates and (b) mixtures of alkali metal carbonate with alkali metal hydroxide.

REFERENCES:
patent: 3919177 (1975-11-01), Campbell
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patent: 4064114 (1977-12-01), Edmonds, Jr.
patent: 4393197 (1983-07-01), Edmonds, Jr.
patent: 4525579 (1985-06-01), Idel et al.
patent: 4590104 (1986-05-01), Zeiner et al.
patent: 4716212 (1987-12-01), Gaughan

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