Development of voc permselective membranes by using an organic-inorganic hybrid gel

Ayumi Ikeda, Yukiko Tokunaga, Jun Ya Sasanoma, Emi Matsuyama, Naofumi Naga, Mikihiro Nomura

研究成果: Article査読

抄録

An organic-inorganic hybrid gel having a joint-rod structure was prepared by using the Ashby-Karstedt catalyst. 1,3,5,7-tetramethylcyclohexane is one of siloxane compounds that was employed as a joint molecule. 1, 5-Hexadiene is one of a, (uncoupling dienes that was employed as a rod molecule. Porous y-alumina substrates having pores of 4nm were coated with this gel to obtain toluene permselective membranes. Toluene is one of VOC components. Toluene/N2 permeance ratio was 850 with toluene permeance of 1.55X 10~6molm~2s"'Pa~'. The permeation through this gel membrane is discussed using a novel permeation model. The permeation model consists of two permeation pathways. One is permeation through the thin gel layer, and the other is that through the gap between the gel clusters. Optimum membrane structures can be found through a novel transmission mechanism and by variation of the model parameters.

本文言語English
ページ(範囲)242-248
ページ数7
ジャーナルKobunshi Ronbunshu
71
5
DOI
出版ステータスPublished - 2014 5

ASJC Scopus subject areas

  • 化学工学(その他)
  • 材料科学(その他)
  • 環境科学(全般)
  • ポリマーおよびプラスチック

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