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This communication presents results from dynamic mechanical analysis and measurement of charge-recombination luminescence showing that the vitrification process during isothermal cure of an acrylate resin appears to proceed in two steps. Glass formation, as determined by charge-recombination luminescence, is found to occur much before macroscopical gelation and vitrification are detected in dynamic mechanical analysis. This suggests the presence of a micro-vitrification transition in addition to the analogous micro-gelation process which has been reported in diacrylate polymerisations.

Посилання на статтю:

Polymer Communication Indications of micro-vitrification during chainwise cross-linking polymerisation / Jakob Lange, Roman Ekelöf, Graeme A. George // Polymer. – 1999. – N 40. – P. 3595–3598.

Polymer Communication Indications of micro-vitrification during chainwise cross-linking polymerisation - Завантажити.