Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
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An Application of Acrylic/Polyisocyanate Network Polymers to The High Solid Coatings

아크릴/폴리이소시아네이트 망상구조 폴리머의 하이솔리드 도료에의 적용

  • 최용호 (명지대학교 공과대학 화학공학과) ;
  • 황규현 (명지대학교 공과대학 화학공학과) ;
  • 김대원 (명지대학교 공과대학 화학공학과) ;
  • 박홍수 (명지대학교 공과대학 화학공학과) ;
  • 김태옥 (명지대학교 공과대학 화학공학과)
  • Published : 2000.03.31
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Abstract

Quater polymer(MBHA) containing two types of acrylic functional group, acetoacetoxyethyl methacrylate(AAM) and 2-hydroxyethyl acrylate was prepared. Then, the MBHA was blended with polyisocyanate type Desmodur IL as a curing agent. Thereafter the mixture was cured at room temperature to get high solid acrylic/polyisocyanate. The MBHA was synthesized at $150^{\circ}C$ for 6 hours typically, and the final conversion reached 87-88%. Lowering Tg and increasing AAM amount in the MBHA resulted in high value of conversion. There was no difference in conversion with the variations of OH values. From the results of physical property tests, MIHS coating was proved to be a good automotive top-coating material.

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