Arylene sulfide polymer preparation from dehydrated admixture co

Details Arylene sulfide polymer preparation from dehydrated admixture co Arylene sulfide polymer preparation from dehydrated admixture co

1987-02-24

1988-08-30

Anderson, Harold D.

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

Synthetic resins

From sulfur-containing reactant

C08G 7514

Patent

active

047678410

ABSTRACT:
Arylene sulfide polymer having a high extrusion rate, e.g. at least about 100 g/10 min. are prepared by a process comprising: (a) dehydrating an aqueous admixture of a suitable sulfur source and a cyclic organic amide; (b) admixing a dihalo-substituted aromatic compound with the dehydrate mixture to form a polymerization mixture wherein the molar ratio of sulfur source to the cyclic organic amide is about 0.39:1 to about 0.6:1; (c) subjecting the polymerization mixture to reaction conditions sufficient to produce the arylene sulfide polymer; and (d) recovering the arylene sulfide polymer.

REFERENCES:
patent: 3354129 (1967-11-01), Edmonds, Jr. et al.
patent: 3790536 (1974-02-01), Vidaurri, Jr.
patent: 3876591 (1975-04-01), Campbell
patent: 4337182 (1982-06-01), Needham
patent: 4482665 (1984-11-01), Dix
patent: 4663430 (1987-05-01), Ostlinning et al.

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