Preparation of Silica Aerogel/Acrylic Resin Composites

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  • INOUE Nozomi
    Planning Department, R&D Headquarters, Achilles Corporation Department of Chemistry and Chemical Biology, Gunma University
  • YAMANOBE Takeshi
    Department of Chemistry and Chemical Biology, Gunma University

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Other Title
  • シリカエアロゲルとアクリル樹脂による低熱伝導率コンポジット材料の作製
  • シリカエアロゲル ト アクリル ジュシ ニ ヨル テイネツ デンドウリツ コンポジット ザイリョウ ノ サクセイ

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Abstract

Silica aerogels/acrylic resin composites were prepared to develop a heat insulating material. Silica aerogels are synthesized from TMOS and its oligomer. Silica aerogels from TMOS have uniform particle and pore sizes. Although those from the oligomer have a distributed particle and pore sizes, it was found that the silica aerogel with low thermal conductivity can be obtained from the oligomer by optimizing the reaction conditions. The mixture of the silica aerogel and an acrylic resin has a high viscosity and the composite film cannot be obtained. Additionally, the surface modification of silica aerogel was carried out. A composite film was prepared from a mixture of surface modified silica aerogel and acrylic resin. The addition of the surface modified silica aerogel reduces the thermal conductivity by about 44 per cent.

Journal

  • KOBUNSHI RONBUNSHU

    KOBUNSHI RONBUNSHU 70 (2), 35-41, 2013

    The Society of Polymer Science, Japan

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