Synthesis, characterization and thermal properties of bentonite-polyacrylate sol-gel materials

A new type of material incorporating bentonite with an alkoxide, H2C=C(CH3)COO(CH2)3Si(OCH3)3, was successfully prepared using a sol-gel process. The structures and thermal transformations of the bentonite and the sol-gel material were investigated by FTIR, XRD and DSC. Using the metal alkoxide and...

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Bibliographic Details
Published in:Journal of materials chemistry 1997, Vol.7 (2), p.265-269
Main Authors: SEGKIN, T, GÜLTEK, A, ÖNAL, Y, YAKINCI, E, AKSOY, I
Format: Article
Language:English
Subjects:
Applied sciences
Composites
Exact sciences and technology
Forms of application and semi-finished materials
Polymer industry, paints, wood
Technology of polymers
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Summary:A new type of material incorporating bentonite with an alkoxide, H2C=C(CH3)COO(CH2)3Si(OCH3)3, was successfully prepared using a sol-gel process. The structures and thermal transformations of the bentonite and the sol-gel material were investigated by FTIR, XRD and DSC. Using the metal alkoxide and the corresponding clay mineral as precursors, the additive reaction followed by free radical polymerisation resulted in a novel material in which polymer was attached covalently to silicate sheets of bentonite via hydroxy bonding. 20 refs.
ISSN:0959-9428
1364-5501
DOI:10.1039/a603883b