Journal
COMPOSITES PART B-ENGINEERING
Volume 143, Issue -, Pages 168-171Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesb.2018.02.014
Keywords
Photopolymerization; UV-Light; Epoxy; Glass fibre reinforced polymers (GFRPs) composites
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In this paper we report, for the very first time, the possibility to UV-crosslink a glass fibre reinforced epoxy composites. We have demonstrated that the crosslinking reaction proceeds via a radical induced cationic frontal polymerization (RICFP), where the UV-surface activation of cationic ring opening polymerization is able to promote the heat front that will activate a thermal initiator in the deeper layers. Because of the very high velocity of the reaction we could obtain quickly epoxy composites maintaining the good thermo-mechanical properties.
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