Aliphatic polyketone obtained by cationic polymerization of ethylketene

文献情報

出版日 2011-07-29

DOI 10.1039/C1PY00199J

インパクトファクター 5.582

著者

Najib Hayki, Nicolas Desilles, Fabrice Burel

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要旨

For the first time, ethylketene, synthesized by thermolysis of butyric anhydride, was polymerized cationically in order to obtain a novel aliphatic polyketone. Initiated by Lewis acid initiator AlBr3, this polymerization was undertaken in different solvents and at −78 °C (top polymerization yield of 57% in toluene). 1H-13C HSQC NMR experiments clearly demonstrated the polyketonic microstructure. The thermal properties of this new polymer were analyzed by DSC, TGA and X-ray diffraction: with a glass transition temperature around 70 °C and an average crystallinity of 0.34, this polymer showed a starting degradation temperature near 210 °C.

掲載誌

Polymer Chemistry

CiteScore: 8.6

自己引用率: 7.3%

年間論文数: 457

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Aliphatic polyketone obtained by cationic polymerization of ethylketene

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