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Preparation and characterization of micron-sized polystyrene/polysiloxane core/shell particles

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Abstract

A procedure has been developed to coat micron-sized polystyrene (PS) spheres with a smooth layer of polysiloxane by a sol–gel process of methyl trimethoxylsilane (MTMS) without using silane coupling agents. The thickness of the shells can be easily varied with different polystyrene seeds and methyl trimethoxysilane feed ratio. When we used PS particles with diameters of 2.09 μm prepared by conventional dispersion polymerization as seeds, the thickness of the polysiloxane shells can be varied from 0.11 to 0.21 μm. The particle size, size distribution, thermal decomposition, and solvent resistance were investigated by scanning electron microscope (SEM), transmission electron microscope (TEM), size analyzer, and TG, respectively.

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Authors and Affiliations

  1. Lab of Organic Functional Materials, UNILAB of Chemical Reaction Engineering, College of Chemical Engineering, East China University of Science and Technology, P.O. BOX 545, Meilong Road 130, Shanghai, 200237, People’s Republic of China

    Xin Lu & Zhong Xin

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  1. Xin Lu
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  2. Zhong Xin
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Correspondence to Zhong Xin.

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Lu, X., Xin, Z. Preparation and characterization of micron-sized polystyrene/polysiloxane core/shell particles. Colloid Polym Sci 284, 1062–1066 (2006). https://doi.org/10.1007/s00396-006-1482-y

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  • DOI: https://doi.org/10.1007/s00396-006-1482-y

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