火炎法によるミクロンサイズ母粒子コーティングのためのシリカナノ粒子の形状および濃度の調整

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  • Adjusting the shape and concentration of silica nanoparticles for micron-sized base particle coating by the flame method.

説明

<p>In this study, we aimed to control the aggregation of SiO2 nanoparticles generated in a premixed flame and to control the non-aggregated nanoparticles that were generated. By sufficiently diluting hexamethyldisiloxane (HMDSO) with ethanol as a raw liquid material and supplying nitrogen gas to it and bubbling, non-aggregated SiO2 nanoparticles could be produced. When the mass concentration of HMDSO in the raw material and babbling nitrogen flow rate were 1 wt% and 0.01 SLM, the particle size distribution was bimodal for about 10 nm and about 30 nm because the raw materials contained in the steam respectively could not be constant in the premixed flame. In order to form the almost uniform nanoparticles, it was suggested that it is effective to set the surface growth rate-determining step during particle generation.</p>

収録刊行物

  • 年次大会

    年次大会 2020 (0), J13114-, 2020

    一般社団法人 日本機械学会

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