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Authors Sangermano, M. ; Voit, B. ; Amerio, E. ; Di Gianni, A. ; Priola, A. ; Pospiech, D.
Title Hyperbranched polymers in cationic UV curing
Date 15.08.2007
Number 15092
Abstract 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 either by a copolymerization or 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, a surface modification was induced.
Publisher Macromolecular Symposia
Wikidata 9
Citation Macromolecular Symposia 254 (2007) 9-15
DOI https://doi.org/10.1002/masy.200750802
Tags cationic photopolymerization epoxy resin fluorinated additives hyperbranched polymers surface properties cycloaliphatic epoxy monomer chain transfer agent photopolymerization polyester resins microparticles additives systems polyols

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