Citation: Matthew M. Yonkey, Dillip K. Mohanty, Christopher Crouse, Zhong-biao Zhang. CROSS-LINKING OF AROMATIC POLY(THIOETHER)S[J]. Chinese Journal of Polymer Science, ;2007, 25(5): 509-517. shu

CROSS-LINKING OF AROMATIC POLY(THIOETHER)S

Received Date: 8 September 2006
Revised Date: 23 October 2006

A novel cross-linking process using two high molecular weight aromatic poly(thioether)s, which were synthesized by the reactions of 4,4-thiobisbenzenethiol with 4,4-difluorobenzophenone and 4,4-difluorodiphenylsulfone, respectively, and commercially available lower molecular weight poly(p-phenylene sulfide) was investigated. These reactions were carried out in bulk by the addition of silver tetrafluroborate and -dibromo-p-xylene at 190°C over a period of 45 min. Furthermore, the same procedure could be modified to cross-link compression-molded films of these three polymers. The thermal and solubility behaviors of these polymers before and after cross-linking reactions, are presented.
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