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Authors Sangermano, M. ; Bongiovanni, R. ; Priola, A. ; Pospiech, D. ; Voit, B.
Title Hyperbranched polymers in cationic UV curing
Date 16.04.2008
Number 16073
Abstract POLY 413 - Branched Polymers in Emerging Technologies <br /><br />A wide range of hyperbranched polymers (HBP) was synthesized and investigated as additives in cationic photopolymerization of epoxy systems. The HBP were inserted into the polymeric network through a chain transfer reaction involving the phenolic hydroxyl groups. By varying the type and concentration of HBP a modification of the bulk properties of photocured films was induced. An increase of toughness properties together with a flexibilization was obtained without affecting the processability and the viscosity of the photocurable mixture. In the presence of fluorine-containing HBP or alkyl functionalized-HBP, a surface modification was also induced.
Publisher Polymer Preprints
Wikidata
Citation Polymer Preprints 49 (2008) 46-47
DOI http://oasys2.confex.com/acs/235nm/techprogram/P1128080.HTM
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