Electron beam curing of epoxy resins by cationic polymerization

Christopher J. Janke, George F. Dorsey, Stephen J. Havens, Vincent J. Lopata

Research output: Contribution to journalConference articlepeer-review

8 Scopus citations

Abstract

A high performance Electron Beam (EB) curable polymer matrix composite was developed. EB curing of composites has a number of advantages over conventional thermal curing. Composites cured by EB have much shorter cure times, lower overall energy requirements, and reduced thermal stresses in the cured. Moreover, less expensive tooling can be used since the process occurs at lower temperatures. Preliminary investigations determined that conventional resins can be cured at selectable temperatures with high transition temperatures, while still exhibiting equivalent or comparable mechanical properties. Diaryliodonium salts were found to be the most effective initiators for the cationic polymerization of epoxy resins when a high energy/power electron beam accelerator was used as the source of ionizing radiation.

Original languageEnglish
Pages (from-to)197-206
Number of pages10
JournalInternational SAMPE Symposium and Exhibition (Proceedings)
Volume41
Issue number1
StatePublished - 1996
Externally publishedYes
EventProceedings of the 41st International SAMPE Symposium and Exhibition. Part 1 (of 2) - Anaheim, CA, USA
Duration: Mar 24 1996Mar 28 1996

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