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Electron-beam curing of epoxy resins: Effect of alcohols on cationic polymerization
Journal article   Open access   Peer reviewed

Electron-beam curing of epoxy resins: Effect of alcohols on cationic polymerization

N Ghosh and G Palmese
Bulletin of materials science, v 28(6), pp 603-607
Oct 2005
DOI: https://doi.org/10.1007/BF02706350
url
https://doi.org/10.1007/bf02706350View
Published, Version of Record (VoR)Maybe Open Access (Publisher Bronze),  Open

Abstract

E-beam Chemistry Materials Science epoxy resin cationic polymerization Engineering, general size exclusion chromatogram
Electron-beam (e-beam) induced polymerization of epoxy resins proceeds via cationic mechanism in presence of suitable photoinitiator. Despite good thermal properties and significant processing advantages, epoxy-based composites manufactured using e-beam curing suffer from low compressive strength, poor interlaminar shear strength, and low fracture toughness. A detailed understanding of the reaction mechanism involving e-beam induced polymerization is required to properly address the shortcomings associated with e-beam curable resin systems. This work investigated the effect of hydroxyl containing materials on the reaction mechanism of e-beam induced cationic polymerization of phenyl glycidyl ether (PGE). The alcohols were found to play important roles in polymerization. Compared to hydroxyl group of aliphatic alcohol, phenolic hydroxyl group is significantly less reactive with the oxonium active centre, generated during e-beam induced polymerization of epoxy resin system.

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24 citations in Web of Science
30 citations in Scopus

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Collaboration types
Domestic collaboration
International collaboration
Web of Science research areas
Materials Science, Multidisciplinary
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