Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
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Optimum Synthesis Condition of Acrylic Resins for High-Solid Coatings Containing Caprolactone Group

Caprolactone기 함유 하이솔리드 도료용 아크릴수지의 최적 합성조건

  • 정동진 (명지대학교 공과대학 화학공학과) ;
  • 유혁재 (명지대학교 공과대학 화학공학과) ;
  • 김성길 (삼화페인트공업(주)) ;
  • 김명수 (명지대학교 공과대학 화학공학과) ;
  • 박홍수 (명지대학교 공과대학 화학공학과) ;
  • 김태옥 (명지대학교 공과대학 화학공학과)
  • Published : 2004.09.30
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Abstract

Acrylic resins ($HSC_s$ : EA/EMA/2-HEMA/CLA) which contain 70% solid content were synthesized by the copolymerization of monomers (2-hydroxyethyl methacrylate, ethyl acrylate, and ethyl methacrylate) and functional monomer (caprolactone acrylate : CLA) which improves the crosslinking density and physical properties of films. The physical properties of the prepared acrylic resins (HSCs) containing CLA, are as follows : viscosity 245${\sim}$515 cps ; $M_n$ 2670${\sim}$2840 ; and conversions, 83${\sim}$91%, respectively. From the correlation of $T_g$ values, viscosities, and $M_n$ of the HSCs, it was found that viscosity and $M_n$ increased with $T_g$ value.

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