Journal of the Korean institute of surface engineering (한국표면공학회지)

The Korean Institute of Surface Engineering (한국표면공학회)
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Study on the Physical Properties by Combining Epoxy and Acryl Electrodeposition Paints

에폭시와 아크릴 전착도료의 혼용성에 따른 물성 변화 연구

  • Jung, Sung Soo (Department of Industrial Chemistry, Pukyong National University) ;
  • Yi, Dong Uk (Department of Industrial Chemistry, Pukyong National University) ;
  • Kim, Dong Won (Department of Industrial Chemistry, Pukyong National University) ;
  • Kim, Myung Hwan (DongNam Technology Human Resource Support Center, Korea Institute of Industrial Technology(KITECH)) ;
  • Kwag, Sam Tag (Department of Industrial Chemistry, Pukyong National University) ;
  • Moon, Myung Jun (Department of Industrial Chemistry, Pukyong National University)
  • 정성수 (부경대학교 공업화학과) ;
  • 이동욱 (부경대학교 공업화학과) ;
  • 김동원 (부경대학교 공업화학과) ;
  • 김명환 (한국생산기술연구원 중소기업기술인력지원단) ;
  • 곽삼탁 (부경대학교 공업화학과) ;
  • 문명준 (부경대학교 공업화학과)
  • Received : 2014.04.30
  • Accepted : 2014.06.18
  • Published : 2014.06.30
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Abstract

The important drawback of epoxy electrodeposition(ED) coatings is the lack of the weathering resistance caused by the structure of bisphenol A. To improve this yellowing phenomena, acryl ED coatings have been developed. Compared with the epoxy ED coatings, however, acryl ED coatings are relatively weak in the corrosion resistance and mechanical properties. The purpose of this study is complemented their drawbacks by mixing epoxy and acryl ED paints. The salt spray, accelerated weathering test(QUV) and cupping, bending, impact test were employed to investigate the corrosion resistance, weathering resistance, and mechanical properties of ED coatings. When the ratio of acryl to epoxy resin of ED coating is 0.33, the weathering resistances are appropriately improved in condition maintaining the corrosion resistance. It was shown that the weathering resistance for epoxy ED coating was adjusted by optimally mixing acryl ED paint.

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