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Effect of a π-donor on the radical bulk polymerization of methyl methacrylate

✍ Scribed by Wiebke Wunderlich; Nick Benfaremo; Markus Klapper; Klaus Müllen

Publisher
John Wiley and Sons
Year
1996
Tongue
English
Weight
317 KB
Volume
17
Category
Article
ISSN
1022-1336

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✦ Synopsis

Abstract

Bulk polymerizations of methyl methacrylate (MMA) at 60°C initiated with 2,2′‐azoisobutyronitrile are influenced by the presence of an organic π‐donor such as tetrathiafulvalene (TTF). Upon addition of TTF, the ratio of weight‐ to number‐average molecular weights M̄~w~/M̄~n~ are significantly reduced and the thermal stability of the poly(methyl methacrylate) samples is increased. Kinetic investigations indicate that TTF acts as a retarder on the polymerization mechanism.

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