Structure and Property Relationship in Nano-filler Loaded Cross-linked Rubbers

DOI Web Site 21 References
  • KATO Atsushi
    Department of Materials Analysis, NISSAN ARC, LTD.
  • IKEDA Yuko
    Graduate School of Science and Technology, Kyoto Institute of Technology

Bibliographic Information

Other Title
  • ナノフィラー充塡架橋ゴムにおけるナノフィラーの構造と物性
  • 特論講座 ナノフィラー充塡架橋ゴムにおけるナノフィラーの構造と物性(第3講)シリカ充塡架橋NRにおけるシリカネットワーク構造と光透過性との相関
  • トクロン コウザ ナノフィラー ジュウテン カケハシ ゴム ニ オケル ナノフィラー ノ コウゾウ ト ブッセイ(ダイ3コウ)シリカ ジュウテン カケハシ NR ニ オケル シリカネットワーク コウゾウ ト ヒカリ トウカセイ ト ノ ソウカン
  • 第3講　シリカ充塡架橋NRにおけるシリカネットワーク構造と光透過性との相関
  • 3.　Relationship Between Optical Transparency and Filled Silica Networks in Natural Rubber Vulcanizates

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Abstract

Relationship between an optical transparency and a filler loading in cross-linked rubber is reviewed using our results of hydrophilic and hydrophobic silica-filled peroxide cross-linked natural rubbers (NRs). The loading of hydrophilic silica shows an optical anomaly, in which the optical transparency initially decreases and then increases with increasing an amount of the loading. The optical transparencies of the hydrophobic silica filled samples, on the other hand, are almost same without depending on the amounts. The difference is ascribed to characteristics of silica networks in these samples, which are revealed by three-dimensional transmission electron microscopy. With an increase of isolated filler chains in the rubber matrix, the optical anomaly of hydrophilic silica-filled cross-linked NR is found to be significantly accelerated. Light scattering equation is also formulated using a product of the number density and squared length of the isolated chains to explain the differences.

Journal

  • NIPPON GOMU KYOKAISHI

    NIPPON GOMU KYOKAISHI 87 (8), 351-357, 2014

    THE SOCIRETY OF RUBBER SCIENCE AND TECHNOLOGYY, JAPAN

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