Rearrangement of the main-chain and subsequent thermal degradation of polyphenylene-ether

Shigeki Takayama, Nozomu Mathubara, Tsuyoshi Arai, Kunihiko Takeda

研究成果: Article

19 引用 (Scopus)

抜粋

Studies of the thermal rearrangement and degradation of polyphenylene-ether (PPE) have been carried out by TGA (thermo-gravimetric analysis), GC-MS (gas chromatography-mass spectroscopy) and 1H-NMR. 2,6-Xylenol was a major scission product in the temperature range 420-700 °C, and 3,5-xylenol, as a scission product, decreased with increasing temperature. Four monomeric and eight dimeric scission products were observed at relatively high temperatures. The distribution of the scission products, which changed with increasing temperature, led to the suggestion that rearrangement of the PPE main-chain occurred to form diphenyl methylene groups, followed by thermal degradation.

元の言語English
ページ(範囲)277-284
ページ数8
ジャーナルPolymer Degradation and Stability
50
発行部数3
DOI
出版物ステータスPublished - 1995

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Polymers and Plastics
  • Materials Chemistry

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