Structure and properties of multilayered siloxane-organic hybrid films prepared using long-chain organotrialkoxysilanes containing CC double bonds

Atsushi Shimojima*, Chia Wen Wu, Kazuyuki Kuroda

*この研究の対応する著者

研究成果: Article査読

35 被引用数 (Scopus)

抄録

Oriented multilayered films composed of alternating siloxane layers and organic layers were prepared from mixtures of tetramethoxysilane [Si(OMe) 4] and unsaturated organotrimethoxysilane [RSi(OMe)3, where R is CH2CH(CH2)8- or CH 2CH(CH2)2CHCH(CH2)4-], and the structures and macroscopic properties of the films were studied. Hydrolysis and partial condensation of the precursors led to the formation of amphiphilic organosiloxane species which self-assemble into lamellar phases. Polymerization of the organic phase occurred by UV irradiation, as evidenced by substantial decreases of the IR absorption bands due to -CHCH2 or -CHCH- groups. The hardness of the films was remarkably increased by the irradiation, due to the covalent linking of adjacent siloxane layers by organic polymerization. The films after organic polymerization had a much higher resistance to an alkaline solution, which enabled the patterning of the films on the micrometer length scale. These results provide an important insight into the structure-property relationships of nanostructured hybrid materials prepared by sol-gel chemistry.

本文言語English
ページ(範囲)658-663
ページ数6
ジャーナルJournal of Materials Chemistry
17
7
DOI
出版ステータスPublished - 2007

ASJC Scopus subject areas

  • 化学 (全般)
  • 材料化学

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