Post-polymerization modification of reactive polymers derived from vinylcyclopropane: a poly(vinylcyclopropane) derivative with physical gelation and UCST behaviour in ethanol–water mixtures

文献情報

出版日 2014-06-19

DOI 10.1039/C4PY00740A

インパクトファクター 5.582

著者

Denis H. Seuyep N., Daniel Szopinski, Gerrit A. Luinstra, Patrick Theato

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要旨

In this paper we describe a new polymer that combines an upper critical solution temperature (UCST) and reversible physical gelation in ethanol–water mixtures. The polymer, namely poly(1-cyano-N-propylcarboxyamidovinylcyclopropane) (poly(CNPCAVCP)), was synthesized by post-polymerization modification of poly(1-cyano-1-pentafluorophenoxycarbonyl-2-vinylcyclopropane) (poly(CPFPCVCP)) with n-propylamine. The stimuli responsiveness of the polymer was investigated in ethanol and ethanol–water mixtures by varying the water concentration in the mixture. It was found that, depending on the water concentration, the mixture features an upper critical solution temperature (UCST), physical gelation or both. In addition, it was observed that the hysteresis between the heating and the cooling phase was very large (about 45 °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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Post-polymerization modification of reactive polymers derived from vinylcyclopropane: a poly(vinylcyclopropane) derivative with physical gelation and UCST behaviour in ethanol–water mixtures

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