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Issue 2, 2005
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Synthesis of anionic polymer–silica hybrids by controlling pH in an aqueous solution

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Abstract

Optically transparent organic–inorganic polymer hybrids with anionic polymers such as poly(acrylic acid) (PAA) and poly(styrene sulfonic acid) (PSSA) could be easily synthesized by controlling pH in an aqueous solution. It is well known that the conformation of the anionic polymer depends on pH in an aqueous solution. Therefore, it is thought that the electrostatic repulsion between organic polymer chains should deter the aggregation of the organic polymer during the preparation of the polymer hybrid. The miscibility of anionic polymersilica hybrids was examined by SEM, tapping-mode AFM and nitrogen adsorption porosimetry studies. The thermal properties of anionic polymersilica hybrids were checked by TGA and DSC. The hygroscopicity of polymer hybrids with anionic polymers was also investigated.

Graphical abstract: Synthesis of anionic polymer–silica hybrids by controlling pH in an aqueous solution

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Article information


Submitted
26 Jul 2004
Accepted
29 Sep 2004
First published
15 Oct 2004

J. Mater. Chem., 2005,15, 315-322
Article type
Paper

Synthesis of anionic polymersilica hybrids by controlling pH in an aqueous solution

T. Ogoshi and Y. Chujo, J. Mater. Chem., 2005, 15, 315
DOI: 10.1039/B411448E

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