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하이솔리드 아크릴/이소시아네이트 도료의 경화반응과 도막물성 KCI 등재

Curing Reaction and Physical Properties of High-Solid Acrylic/Isocyanate Coatings

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  • URLhttps://db.koreascholar.com/Article/Detail/257532
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한국응용과학기술학회지 (The Korean Society of Applied Science and Technology)
한국응용과학기술학회(구 한국유화학회) (The Korean Society of Applied Science and Technology (KSAST))
초록

In the previous study, three kinds of monomers and the functional monomer, acetoacetoxyethyl methacrylate (AAEM), which could improve the film property and cross-linkage, were polymerzied into acrylic resin copolymers (HSA-98-20, HSA-98-0, HSA-98+20) containing 80% solid content. In this study, the high-solid coatings(HSA-98-20C, HSA-98-0C, HSA-98+20C) were prepared by the curing reaction between acrylic resins containing 80% solid content and isocyanate at room temperature. Various properties were examined for the film coated with the prepared high-solid coatings. The introduction of AAEM in the coatings enhanced the abrasion resistance and solvent resistance of coatings, which indicated the possible use of high-solid coatings for top-coating materials of automobile. The curing times measured by viscoelastic measurement were 350, 264, and 212 min for HSA-98-20C, HSA-98-0C, and HSA-98+20C, respectively. This shows that the curing times become shorter with increasing Tg values.

저자
  • 박홍수 | Park, Hong-Soo
  • 심일우 | Shim, Il-Woo
  • 조혜진 | Jo, Hye-Jin
  • 김성길 | Kim, Seong-Kil
  • 김명수 | Kim, Myung-Soo