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Polymerization of p-cresyl glycidyl ether induced by benzyldimethylamine

✍ Scribed by J. Berger; F. Lohse

Publisher
Elsevier Science
Year
1985
Tongue
English
Weight
599 KB
Volume
21
Category
Article
ISSN
0014-3057

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✦ Synopsis

Almtraet--The rate of polymerization of p-cresyl glycidyl ether induced by benzyldimethylamine is far more dependent on the catalyst concentration than on the temperature. The average degree of polymerization increases with conversion; its temperature dependence is more complex, and it is independent of the catalyst concentration. Aging of the reaction mixtures, even at low temperatures (-20°), causes higher rates of the subsequent polymerizations at elevated temperatures, in comparison with fresh mixtures. Consequently, pre-reacted mixtures of p-cresyl glycidyl ether with benzyldimethylamine are more efficient starters than the catalyst alone. 1,3-Bis(4-methylphenoxy)propanol-2 considerably accelerates the polymerization of glycidyl ether catalyzed by benzyldimethylamine. This compound itself and its adduct with p-cresyl glycidyl ether and p-cresyl glycidyl ether dimers and trimers were detected as the main nitrogen free products of the p-cresyl glycidyl ether benzyldimethylamine (1 : 1 ) reaction.

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