Condensation reaction of 3-(methacryloxypropyl)-trimethoxysilane and diisobutylsilanediol in non-hydrolytic sol-gel process

The condensation reaction of 3-methacryloxypropyl-trimethoxysilane (MPTS) and diisobutylsilanediol (DIBSD) in a non-hydrolytic sol-gel process was investigated in terms of the reaction time and the catalyst amount for fabrication of inorganic-organic hybrid materials. The degree of condensation, whi...

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Bibliographic Details
Published in:Journal of sol-gel science and technology 2006-09, Vol.39 (3), p.255-260
Main Authors: NAM, Keum-Hee, LEE, Tae-Ho, BAE, Byeong-Soo, POPALL, Michael
Format: Article
Language:English
Subjects:
Catalysis
Catalysts
Chemical synthesis
Chemistry
Colloidal gels. Colloidal sols
Colloidal state and disperse state
Condensation
Exact sciences and technology
General and physical chemistry
NMR
Nuclear magnetic resonance
Reaction time
Sol-gel processes
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Summary:The condensation reaction of 3-methacryloxypropyl-trimethoxysilane (MPTS) and diisobutylsilanediol (DIBSD) in a non-hydrolytic sol-gel process was investigated in terms of the reaction time and the catalyst amount for fabrication of inorganic-organic hybrid materials. The degree of condensation, which was characterized by 29Si NMR, 1H NMR and Abbe refractometry, increases with increased the reaction time and greater catalyst amount. However, a the large catalyst amount breaks the methacryl group during the condensation reaction. Thus, the reaction time and the catalyst amount were optimized to synthesize the condensed methacryl oligosiloxanes.
ISSN:0928-0707
1573-4846
DOI:10.1007/s10971-006-7884-y