Wei Wu, Xueqin Zhang, Jianfeng Chen,  and Shuling Shen, Synthesis of nano-CaCO3 composite particles and their application, J. Univ. Sci. Technol. Beijing, 15(2008), No. 1, pp. 67-73. https://doi.org/10.1016/S1005-8850(08)60014-6
Cite this article as:
Wei Wu, Xueqin Zhang, Jianfeng Chen,  and Shuling Shen, Synthesis of nano-CaCO3 composite particles and their application, J. Univ. Sci. Technol. Beijing, 15(2008), No. 1, pp. 67-73. https://doi.org/10.1016/S1005-8850(08)60014-6
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Synthesis of nano-CaCO3 composite particles and their application

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  • Nano-calcium carbonate composite particles were synthesized by the soapless emulsion polymerization technique of double monomers. The composite particles formation mechanism was investigated. The effects of composite particles on the mechanical properties of nano-CaCO3-ABS (acrylonitrile-butadiene-styrene copolymer) composite material were studied. It was validated that the composite particles are made up of the nano-calcium carbonate cores and the shells of alternating copolymers of butyl acrylate (BA) and styrene (St). The shells are chemically grafted and physically wrapped on the surface of nano-calcium carbonate particles. When the composite particles were filled in ABS matrix, the CaCO3 particles are homogeneously dispersed in the composite material as nanoscales. The impact strength of the composite material is obviously enhanced after filling appropriate amounts of composite particles. It can be concluded that the soapless emulsion polymerization of double monomers is an effective method for nano-CaCO3 surface treatment.
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