Polyarylene sulfide preparation method

Details Polyarylene sulfide preparation method Polyarylene sulfide preparation method

C - Chemistry, Metallurgy

08

G

402/343

C08G 75/02 (2006.01)

Patent

CA 1258742

Abstract of the Disclosure A polyarylene sulfide is prepared in a reaction mixture containing a dihaloaromatic compound, a sulfur source, a polar organic compound and an alkali metal or alkaline earth metal dithionite. The presence of dithionite in the reaction mixture enables the production of polymer and products therefrom having a reduced Tmc and enhanced heat stability.

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