Efficient synthesis of polyethers from isosorbide by microwave-assisted phase transfer catalysis

Polyetherification of isosorbide with 1,8-dibromo or dimesyl octane was realized under phase transfer catalysis with increased efficiency when performed under microwave activation. In addition to rate increase in the reaction, microwave effects on polymer structures (as determined by MALDI-TOFMS) we...

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Published in:European polymer journal 2002-09, Vol.38 (9), p.1851-1861
Main Authors: Chatti, S., Bortolussi, M., Loupy, A., Blais, J.C., Bogdal, D., Majdoub, M.
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Isosorbide
MALDI-TOFMS
Microwave activation
Organic polymers
Phase transfer catalysis
Physicochemistry of polymers
Polycondensation
Polyethers
Preparation, kinetics, thermodynamics, mechanism and catalysts
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description Polyetherification of isosorbide with 1,8-dibromo or dimesyl octane was realized under phase transfer catalysis with increased efficiency when performed under microwave activation. In addition to rate increase in the reaction, microwave effects on polymer structures (as determined by MALDI-TOFMS) were observed. Polymers with higher molecular weights with the presence of ethylenic groups as chain terminations were thus obtained, unlike to conventional heating where shorter hydroxylated compounds were achieved.
doi_str_mv 10.1016/S0014-3057(02)00071-X
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subjects Applied sciences
Exact sciences and technology
Isosorbide
MALDI-TOFMS
Microwave activation
Organic polymers
Phase transfer catalysis
Physicochemistry of polymers
Polycondensation
Polyethers
Preparation, kinetics, thermodynamics, mechanism and catalysts
title Efficient synthesis of polyethers from isosorbide by microwave-assisted phase transfer catalysis
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