Process for the preparation of copoly(arylene sulfide)...

Details Process for the preparation of copoly(arylene sulfide)... Process for the preparation of copoly(arylene sulfide)...

C - Chemistry, Metallurgy

08

G

C08G 75/02 (2006.01) C08G 75/14 (2006.01)

Patent

CA 2068730

2068730 9108249 PCTABS00005 A process for preparation of a copoly(arylene sulfide) which has a decreased amount of disulfide radicals and corresponds to the structure: [(-A-S-)1-x(-A-S-S-)x]n wherein A is a divalent substituted or unsubstituted aromatic radical, x is in the range of 0.45 to 0 and n is at least 50, comprising contacting a copoly(arylene sulfide) corresponding to the structure [(-A-S-)1-x(-A-S-S-)x]n wherein A is a divalent substituted or unsubstituted aromatic radical, x is in the range of 0.50 to 0.001 and n is at least 25, in the melt phase with a diiodoaromatic compound corresponding to the structure I-A-I wherein A is a divalent substituted or unsubstituted aromatic radical.

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