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Authors
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Sangermano, M. ; Voit, B. ; Amerio, E. ; Di Gianni, A. ; Priola, A. ; Pospiech, D.
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Title
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Hyperbranched polymers in cationic UV curing
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Date
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15.08.2007
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Number
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15092
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Abstract
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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.
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Publisher
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Macromolecular Symposia
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Wikidata
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9
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Citation
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Macromolecular Symposia 254 (2007) 9-15
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DOI
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https://doi.org/10.1002/masy.200750802
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Tags
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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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