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Issue 19, 2014
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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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Abstract

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).

Graphical abstract: 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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Supplementary files

Article information


Submitted
26 May 2014
Accepted
18 Jun 2014
First published
19 Jun 2014

Polym. Chem., 2014,5, 5823-5828
Article type
Paper
Author version available

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

D. H. Seuyep N., D. Szopinski, G. A. Luinstra and P. Theato, Polym. Chem., 2014, 5, 5823
DOI: 10.1039/C4PY00740A

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