Synthesis and Properties of Polysilsesquioxanes Having Ethoxysulfonyl Group as a Side Chain | Zendy

Takahiro Gunji | Zendy; Kazuki Yamamoto | Zendy; Akira Tomobe | Zendy; Noritaka Abe | Zendy; Yoshimoto Abe | Zendy

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Synthesis and Properties of Polysilsesquioxanes Having Ethoxysulfonyl Group as a Side Chain

Author(s) -

Takahiro Gunji,

Kazuki Yamamoto,

Akira Tomobe,

Noritaka Abe,

Yoshimoto Abe

Publication year - 2012

Publication title -

international journal of polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.399

H-Index - 33

eISSN - 1687-9430

pISSN - 1687-9422

DOI - 10.1155/2012/568301

Subject(s) - hydrosilylation , silsesquioxane , trichlorosilane , thionyl chloride , siloxane , side chain , materials science , polymer chemistry , hydrolysis , catalysis , chemical engineering , chloride , organic chemistry , chemistry , composite material , polymer , silicon , engineering , metallurgy

Polysilsesquioxane having an ethoxysulfonyl group as a side chain was synthesized to prepare a proton-conductive film composed of a main chain of siloxane. At first, sodium 4-(2-methylallyloxy)benzenesulfonate was chlorinated with thionyl chloride. Next, hydrosilylation with trichlorosilane was carried out in the presence of platinum catalyst followed by treatment with ethanol. Finally, the hydrolytic polycondensation was carried out to provide poly(3-(4-ethoxysulfonylphenoxy)-2-methylpropyl)silsesquioxane. This polysilsesquioxane was heated to form a free-standing film that was brittle and brown in color

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