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아크릴/우레아 가교 폴리머의 하이솔리드 도료에의 적용
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  • 아크릴/우레아 가교 폴리머의 하이솔리드 도료에의 적용
  • Acrylic/Urea Crosslinked Polymers for High-Solid Coatings Applications
저자명
정동진,박형진,김성래,함현식,박홍수,김성길,Chung. Dong-Jin,Park. Hyong-Jin,Kim. Sung-Rae,Hahm. Hyun-Sik,Park. Hong-Soo,Kim. Seong-Kil
간행물명
한국유화학회지
권/호정보
2003년|20권 1호|pp.8-19 (12 pages)
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한국유화학회
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정기간행물|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Environmental friendly acrylics/urea high-solid paints (BEHCU) were prepared through the curing reaction of acrylics resin(BEHC) containing 70wt% of solids content and butylated urea curing agent. BEHC was synthesized by addition copolymerization of caprolactone acrylate(CLA), 2-hydroxypropyl methacrylate(2-HPMA), ethyl methacrylate, and n-butyl acrylate. The addition polymerization of these monomers, especially including flexible CLA monomer and 2-HPMA monomer with OH funtional group, under appropriate reaction conditions resulted in polymers with controlled glass transition temperature($T_g$) and crosslinking density. The molecular weight($M_w$) of these polymers(BEHCs) was 2940${sim}$3240 and polydispersity ($M_w/M_n$) was in the range of 1.61${sim}$1.72. The viscosity and the molecular weight of these acrylic resins increased with increasing $T_g$. The coated films were prepared using curing reaction between BEHC resin and butylated urea curing agent at 100$^{circ}C$ for 30 minutes. Our experimental resulted showed that enhancement of the coating properties such as adhesion, flexibility, impact resistance, water resistance, and abrasion resistance could be expected through introducing CLA component in acrylic resin for the high-solid content acrylics/urea coatings.