Process for producing a polyarylene sulfide

Details Process for producing a polyarylene sulfide Process for producing a polyarylene sulfide

C - Chemistry, Metallurgy

08

G

402/344

C08G 75/04 (2006.01) C08G 75/02 (2006.01)

Patent

CA 1309549

PROCESS FOR PRODUCING A POLYARYLENE SULFIDE Abstract of the Disclosure: A polyarylene sulfide having a high molecular weight is produced at low cost and without causing any pollution problems through a polymerization reaction between a di- halogenated aromatic compound and an alkali metal sulfide in an aprotic polar solvent by adding from about 0.05 to about 5 moles of calcium chloride per mole of the dihalogenated aromatic compound after the conversion of the dihalogenated aromatic compound has reached about 60 to about 98 mol% and allowing the reaction to proceed. Such a polyarylene sulfide is very useful for utilization in extrusion of films, fibers, etc.

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