Title:
【発明の名称】ジスルフィド基の量の減少したコポリ(アリーレンスルフィド)の製造方法
Document Type and Number:
Japanese Patent JPH05501732
Kind Code:
A
Abstract:
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.
Inventors:
Joseph John Watkins
Fagerberg, David Richard
Lawrence, Paul Brakney
Rule,mark
Fagerberg, David Richard
Lawrence, Paul Brakney
Rule,mark
Application Number:
JP50173090A
Publication Date:
April 02, 1993
Filing Date:
November 13, 1990
Export Citation:
Assignee:
EASTMAN CHEMICAL COMPANY
International Classes:
C08G75/02; C08G75/06; C08G75/14; (IPC1-7): C08G75/02
Attorney, Agent or Firm:
Takashi Ishida (2 outside)