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

Shigeki Takayama; Nozomu Mathubara; Tsuyoshi Arai; Kunihiko Takeda

doi:10.1016/0141-3910(95)00142-5

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

Shigeki Takayama, Nozomu Mathubara, Tsuyoshi Arai, Kunihiko Takeda

Research output: Contribution to journal › Article › peer-review

20 Citations (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	277-284
Number of pages	8
Journal	Polymer Degradation and Stability
Volume	50
Issue number	3
DOIs	https://doi.org/10.1016/0141-3910(95)00142-5
Publication status	Published - 1995

ASJC Scopus subject areas

Condensed Matter Physics
Mechanics of Materials
Polymers and Plastics
Materials Chemistry

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abstract = "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.",

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AU - Takayama, Shigeki

AU - Mathubara, Nozomu

AU - Arai, Tsuyoshi

AU - Takeda, Kunihiko

PY - 1995

Y1 - 1995

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AB - 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.

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

Abstract

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