Synthesis of novel fluorine-containing poly(oxadiazole-ether)s

Natsuko Sato, Shunsuke Masaki, Shinichi Yamazaki, Kunio Kimura

Research output: Contribution to conferencePaperpeer-review

2 Citations (Scopus)

Abstract

We had been studying the synthesis of fluorine-containing polymers derived from 2,3,4,5,6-pentafluorobenzoic acid. This paper described the synthesis and characterization of novel fluorine-containing poly(arylether 1,3,4-oxadiazole)s(F-PEOs). Monomer was synthesized from hydrazine hydrate and 2,3,4,5,6-pentafluorobenzoyl chloride. F-PEOs were synthesized by nucleophilic aromatic substitution reaction at 30°C in NMP. The polymers obtained by stopping just before the gelation were all para connected linear structures confirmed by NMR. The obtained F-PEOs showed excellent solubility and afforded tough transparent films by solution casting method. They also exhibited high Tg of 157-257°C and good thermal stability, and excellent hydrophobicity due to the incorporation of 2,3,5,6-tetrafluoro-1,4-phenylene moiety.

Original languageEnglish
Number of pages1
Publication statusPublished - Dec 1 2005
Event54th SPSJ Annual Meeting 2005 - Yokohama, Japan
Duration: May 25 2005May 27 2005

Other

Other54th SPSJ Annual Meeting 2005
CountryJapan
CityYokohama
Period5/25/055/27/05

Keywords

  • Fluorine-containing polymer
  • High performance
  • Oxadiazole

ASJC Scopus subject areas

  • Engineering(all)

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