Applied Chemistry for Engineering (공업화학)

The Korean Society of Industrial and Engineering Chemistry (한국공업화학회)
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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
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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.

하이퍼브랜치 폴리올(HBP-16, 32, 64)과 acrylic acid로부터 광경화형 하이퍼브랜치 아크릴레이트를 합성하였고, 그 물성을 조사하였다. TGA로 측정한 UV 경화필름의 열안정성은 관능기 수가 증가할수록 좀더 높은 온도로 이동하였다. 또한 아크릴 레이트의 관능기 수가 증가할수록 경도, 내마모성, 인장강도가 우수하였으며, 내후성 테스트에서는 아크릴레이트의 관능기수가 증가할수록 황변 지수 값이 증가하는 결과를 보여주었다.

Keywords

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