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A Study on the Environmental Fraternized Preparation of Inorganic/organic Core-shell Binder  

Seoul, Soo-Duk (Department of Chemical Engineering, Dong-A University)
Lim, Jae-Keel (Department of Chemical Engineering, Dong-A University)
Lim, Jong-Min (Department of Chemical Engineering, Dong-A University)
Kwon, Jae-Beom (Department of Safety Engineering, Pukyong National University)
Lee, Nae-Woo (Department of Safety Engineering, Pukyong National University)
Publication Information
Journal of the Korean Society of Safety / v.19, no.1, 2004 , pp. 81-87 More about this Journal
Abstract
Composite particles using inorganic and organic chemicals were synthesized and the results of those reaction were compared to variation of temperature and agitation speed in presence of $CaCO_3$ which was adsorbed SDBS. Also the synthesises were optimized according to conversion rate of composite particles. In inorganic/organic core-shell composite particle polymerization, $CaCO_3$ adsorbed by 0.5wt% surfactant SDBS was prepared initially and then core $CaCO_3$ was encapsulated by sequential emulsion polymerization using MMA at the addition of APS 3.16${\times}$$10^{-3}$mol/L to minimize the coagulated PMMA particle itself during MMA shell polymerization. Encapsulated PMMA on $CaCO_3$ as inorganic/organic core-shell particles was verified by FT-IR and DSC analysis. It was found that the $CaCO_3$ was very well encapsulated by PMMA as shell. The surfaces were distinctly found as spindle shape and broad particle distribution after capsulation.
Keywords
core-shell composite; PMMA; encapsulation; $CaCO_3$; APS;
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Times Cited By KSCI : 1  (Citation Analysis)
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