Synthesis and Properties of Photocurable Dimethylol Propionic Acid modified Hyperbranched Acrylates

광경화형 Dimethylol Propionic Acid 변성 하이퍼브랜치 아크릴레이트의 합성과 물성

  • Kim, Dong Kook (Department of Chemistry & Material Science, Hanyang University) ;
  • Lim, Jin Kyu (Department of Chemistry & Material Science, Hanyang University) ;
  • Kim, Woo Geun (Department of Chemistry & Material Science, Hanyang University)
  • 김동국 (한양대학교 신소재 화학과) ;
  • 임진규 (한양대학교 신소재 화학과) ;
  • 김우근 (한양대학교 신소재 화학과)
  • Received : 2004.10.18
  • Accepted : 2005.03.11
  • Published : 2005.06.10

Abstract

Photocurable hyperbranched acrylates were prepared from acrylic acid and hyperbranched polyol (HBP-16, 32, 64). Physical properties of three kinds of photocurable hyperbranched acrylated were investigated. Thermal stability of UV cured film measured by TGA shifted to higher temperature with increasing of functionality. Hardness, abrasion resistance, and tensile strength of UV cured film also increased with increasing functionality of acrylate. Weathering test for UV cured film showed the value of yellow index increased with increasing functionality of acrylate.

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