A Development of Nontoxic Composite Latex Using $CaCO_3$/PEMA

$CaCO_3$/Poly ethyl methacrylate를 이용한 무독성 혼합라텍스의 개발

  • Seul, Soo-Duk (Department of Chemical Engineering, Dong-A University) ;
  • Lee, Sun Ryong (Department of Chemical Engineering, Dong-A University) ;
  • Lee, Nae-Woo (Department of Safety Engineering, Pukyong National University)
  • 설수덕 (동아대학교 화학공학과) ;
  • 이선룡 (동아대학교 화학공학과) ;
  • 이내우 (부경대학교 안전공학과)
  • Published : 2002.12.01


Core-shell polymers of inorganic/organic pair, which are consisted of both core and shell component, were synthesized by sequential emulsion polymerization using ethyl methacrylate (EMA) as a shell monomer and ammonium persulfate as initiator. We found that $CaCO_3$ core should be prepared by adding 2.0wt% SDBS(sodium dodecyl benzene sulfonate), $CaCO_3$ core/PEMA shell polymerization was carried out on the surface of $CaCO_3$ particle during EMA shell polymerization in the core-shell polymer preparation. The structure of core-shell polymer were investigated by measuring the degree on decomposition of $CaCO_3$ by HCI solution, thermal decomposition of polymer composite on thermogravimetric analyzer, glass transition temperature on differential scanning calorimeter, and morphology using scanning electron microscope.


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