Process for the preparation of poly(arylene sulfide) with low me

Details Process for the preparation of poly(arylene sulfide) with low me Process for the preparation of poly(arylene sulfide) with low me

1992-06-30

1994-01-18

Sellers, Robert E.

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

Synthetic resins

From sulfur-containing reactant

528373, 528374, 528389, 528390, 528391, 528397, 528398, 515537, C08G 1514

Patent

active

052801047

ABSTRACT:
A process for preparing poly(arylene sulfide) with reduced metal contamination is produced by contacting a dihaloaromatic compound, a sulfur source, a polar organic compound, and an alkali metal carboxylate in a reaction vessel wherein at least the liquid contacting parts of the vessel are constructed of titanium. In another aspect of the invention a polymer produced by the above described process is provided.

REFERENCES:
patent: 4116947 (1978-09-01), Edmonds, Jr. et al.
patent: 4745167 (1988-05-01), Iizuka et al.
patent: 4794164 (1988-12-01), Iwasaki et al.
patent: 4812539 (1989-03-01), Iizuka et al.
patent: 4841019 (1989-06-01), Iwasaki et al.
patent: 5118786 (1992-06-01), Ostlinning et al.
U.S. application-Ser. No. 810,653.

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