Preparation of Modified Non-Agglomerated Dry Nanofillers Using Supercritical Fluids

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概要

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• Supercritical carbon dioxide was used as a solvent to modify a nanofiller using small amounts of dispersing additives and a silane coupling agent to obtain modified, non-agglomerated dry nanoparticles. Two types of silica (mono-dispersed, non-agglomerated silica and agglomerated silica) were used in this research, with the silica particles modified by three kinds of dispersing additives and two kinds of silane coupling agent. The particle dispersion and size of the obtained silica particles were evaluated by small angle X-ray scattering (SAXS). An extensive physicochemical evaluation of the obtained modified silica particles was also conducted using Fourier transform infrared (FTIR) analysis. It was found that the silica particles possess mono-dispersed and non-agglomerated properties, and that the surface silanol group of the silica particles reacts with hydrolysable silane alkoxy groups.

• 社団法人 化学工学会の論文
• 2007-11-01

著者

• Li Lei

  Hyogo Science And Technology Association

• URUSHIHARA Yoshimasa

  Hyogo Science and Technology Association

• MATSUI Junji

  Hyogo Science and Technology Association

• Matsui Junji

  Hyogo Prefectural Center for Advanced Science and Technology, 3-1-1 Kouto, Kamigori, Hyogo 678-1205, Japan

関連論文

• Preparation of Modified Non-Agglomerated Dry Nanofillers Using Supercritical Fluids
• Strain and Absorption Coefficient of Finite Ge Structures on Si

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