Cross-linking of aromatic poly(thioether)s

Matthew M. Yonkey, Dillip K. Mohanty, Christopher Crouse, Zhong Biao Zhang

Research output: Contribution to journalArticlepeer-review

Abstract

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 a;ar'-dibromo-p-xylene at 19o°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.

Original languageEnglish
Pages (from-to)509-517
Number of pages9
JournalChinese Journal of Polymer Science (English Edition)
Volume25
Issue number5
DOIs
StatePublished - Sep 2007

Keywords

  • Aromatic poly(thioether)s
  • Chemical cross-linking
  • Solubility
  • Thermal stability

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