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Synthesis and characterization of hybrid organic-inorganic materials based on sulphonated polyamideimide and silica

By Zongli Xie, Buu Dao, Jonathan Hodgkin, Manh Hoang, Anita Hill and Stephen R Gray

Abstract

The preparation of hybrid organic–inorganic\ud membrane materials based on a sulphonated polyamideimide\ud resin and silica filler has been studied. The method\ud allows the sol–gel process to proceed in the presence of a\ud high molecular weight polyamideimide, resulting in well\ud dispersed silica nanoparticles (<50 nm) within the polymer\ud matrix with chemical bonding between the organic and\ud inorganic phases. Tetraethoxysilane (TEOS) was used as\ud the silica precursor and the organosilicate networks were\ud bonded to the polymer matrix via a coupling agent\ud aminopropyltriethoxysilane (APTrEOS). The structure and\ud properties of these hybrid materials were characterized via a\ud range of techniques including FTIR, TGA, DSC, SEM and\ud contact angle analysis. It was found that the compatibility\ud between organic and inorganic phases has been greatly\ud enhanced by the incorporation of APTrEOS. The thermal\ud stability and hydrophilic properties of hybrid materials have\ud also been significantly improved

Topics: Institute for Sustainability and Innovation (ISI), 1002 Environmental Biotechnology, ResPubID21717, ResPubID23289, sulphonated polyamideimide, silica, sol–gel process, hybrid materials
Publisher: Springer
Year: 2010
DOI identifier: 10.1007/s10965-010-9496-z
OAI identifier: oai:eprints.vu.edu.au:7198

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