Process for the purification of polyarylene sulphides

Details Process for the purification of polyarylene sulphides Process for the purification of polyarylene sulphides

C - Chemistry, Metallurgy

08

G

402/344

C08G 75/02 (2006.01) C08G 85/00 (2006.01)

Patent

CA 1312411

23189-6716 Process for the purification of polyarylene sulphides A b s t r a c t This invention relates to a process for the purification of a polyarylene sulphide with reduction in the amount of ash- forming impurities contained therein, which process comprises demoisturizing a moist polyarylene sulphide under a high pressure with concomitant application of shearing force. Polyarylene sulphides which have been purified according to the invention are distinguished by the reduced amount of ash-forming impurities contained in them.

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