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Preparation of CaCO3/Polystyrene Inorganic/Organic Composite Nanoparticles
Authors:Jian Yu  Jie Yu  Zhao‐Xia Guo  Yan‐Fang Gao
Abstract:CaCO3/polystyrene inorganic/organic composite nanoparticles (50 nm) with a core/shell structure were synthesized in 80% yield by emulsion polymerization. Nanometer CaCO3 was pretreated with γ‐methacryloxypropyltrimethoxysilane in order to introduce polymerizable groups onto its surface. Soxhlet extraction experiments have shown that only 4% of total encapsulating polystyrene (PS) was removable when the ratio of CaCO3 to styrene was relatively low (14.8–29.6%), indicating strong adhesion between CaCO3 and PS.
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