Synthesis of Monodisperse Hydrophobic Silicone Particles in the Submicron Size

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  • TAKAI Kenji
    Graduate School of Science and Technology, Niigata University
  • MATSUZAWA Mitsuharu
    Hitachi Chemical Co. Ltd., Shimodate works
  • TAMESUE Shingo
    Department of Material Science and Technology, Faculty of Engineering, Niigata University
  • YAMAUCHI Takeshi
    Graduate School of Science and Technology, Niigata University Department of Material Science and Technology, Faculty of Engineering, Niigata University
  • TSUBOKAWA Norio
    Department of Material Science and Technology, Faculty of Engineering, Niigata University

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  • サブミクロンサイズの単分散疎水性シリコーン粒子の合成

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Abstract

In the electronics field, monodisperse hydrophobic particles in the submicron size are used as additives for adhesives. The purpose of this study is to develop a process to synthesize monodispersed poly(alkoxysilane) (silicone) particles that have strong hydrophobicity. Dimethyldimethoxysilane (DMDMS), methyltrimethoxysilane (MTMOS), and tetraalkoxysilanes, such as tetramethoxysilane (TMOS) and tetraethoxysilane (TEOS), were used as monomers for synthesizing the hydrophobic silicone particles. By optimizing the alkoxysilane concentration, the blending ratio of monomers, the amount of catalyst and the reaction temperature, it is possible to synthesize small monodispersed silicone particles.

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