Journal of Adhesion and Interface (접착 및 계면)

The Society of Adhesion and Interface, Korea (한국접착및계면학회)
권호 표지

Curing Behavior and Tensile Strength of Elastomeric Polyester and Polyvinylidene Fluoride for Automotive Pre-primed Coatings

자동차용 Pre-primed 적용을 위한 Polyester 및 Polyvinylidene Fluoride 도료의 경화거동과 인장강도 특성

  • Hwang, Hyeon-Deuk (Lab. of Adhesion and Bio-Composites, Program in Environmental Materials Science, Research Institute for Agriculture and Life Sciences, Seoul National University) ;
  • Moon, Je-Ik (Lab. of Adhesion and Bio-Composites, Program in Environmental Materials Science, Research Institute for Agriculture and Life Sciences, Seoul National University) ;
  • Lee, Yong-Ju (Lab. of Adhesion and Bio-Composites, Program in Environmental Materials Science, Research Institute for Agriculture and Life Sciences, Seoul National University) ;
  • Kim, Hyun-Joong (Lab. of Adhesion and Bio-Composites, Program in Environmental Materials Science, Research Institute for Agriculture and Life Sciences, Seoul National University) ;
  • Hyun, Jin-Ho (Nano & Biosurface laboratory, Research Institute for Agriculture and Life Sciences, Seoul National University) ;
  • Noh, Seung Man (PPG Industries Inc.) ;
  • Kang, Choong Yeol (PPG Industries Inc.) ;
  • Lee, Jae-Woo (PPG Industries Inc.) ;
  • Nam, Joon Hyun (PPG Industries Inc.) ;
  • Park, Jong Myung (Surface Engineering Lab, Graduate Institute of Ferrous Technology, Pohang University of Science and Technology)
  • 황현득 (서울대학교 환경재료과학전공 바이오복합재료 및 접착과학 연구실, 농업생명과학연구원) ;
  • 문제익 (서울대학교 환경재료과학전공 바이오복합재료 및 접착과학 연구실, 농업생명과학연구원) ;
  • 이용주 (서울대학교 환경재료과학전공 바이오복합재료 및 접착과학 연구실, 농업생명과학연구원) ;
  • 김현중 (서울대학교 환경재료과학전공 바이오복합재료 및 접착과학 연구실, 농업생명과학연구원) ;
  • 현진호 (서울대학교 바이오시스템소재학부, 농업생명과학연구원) ;
  • 노승만 (PPG Industries Korea, 자동차기술연구소) ;
  • 강충열 (PPG Industries Korea, 자동차기술연구소) ;
  • 이재우 (PPG Industries Korea, 자동차기술연구소) ;
  • 남준현 (PPG Industries Korea, 자동차기술연구소) ;
  • 박종명 (포항공대 철강대학원 표면공학연구실)
  • Received : 2009.09.21
  • Accepted : 2009.12.15
  • Published : 2009.12.30
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Abstract

The most upcoming technical issue of automotive coating is the compact coating process. Pre-primed coating is the outstanding technology eliminating electro-deposition and primer coating process. The main properties of pre-primed coating for automotive are flexibility, corrosion resistance, and weldability. Therefore, we synthesized the conventional polyester, elastomeric polyester and polyvinylidene fluoride resins and evaluated their properties to use as weldable pre-primed automotive coatings. As the results of flexibility and curing behavior, the elastomeric polyester coating was most appropriate to use for the pre-primed automotive coatings.

최근 자동차용 도료의 가장 큰 관심 중에 한 가지는 도장공정을 줄여 생산성 및 환경친화성을 높이는 "compact coating process"이다. 그 중에서 pre-primed 도료는 기존의 전착도료와 primer 도료를 대체하는 도료로서 각광받고 있는 기술이다. 용접이 가능한 weldable pre-primed 도료에서 가장 중요한 물성은 유연성, 내식성, 용접성 등이다. 본 연구에서는 부착성과 유연성이 우수한 polyester resin, 이를 개량하여 유연성을 극대화한 elastomeric polyester resin을 합성하였고, 내구성과 물리적 성질이 우수한 polyvinyliedene fluoride resin을 합성한 후 경화거동 및 인장물성 등을 평가하였다. elastomeric polyester resin을 사용한 도료시스템이 유연성 및 부착성 측면을 고려했을 때, pre-primed 도료시스템에 적용하기에 가장 적합하였다.

Keywords

References

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