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Reference type: Journal
Authors: Abbate V, Bassindale AR, Brandstadt KF, Taylor PG
Article Title: Biomimetic catalysis at silicon centre using molecularly imprinted polymers.
Publication date: 2011
Journal: Journal of Catalysis
Volume: 284
Issue: (1)
Page numbers: 68-76.
DOI: 10.1016/j.jcat.2011.08.019
Alternative URL: http://www.sciencedirect.com/science/article/pii/S0021951711002806

Abstract: The first example of biomimetic siloxane bond formation catalyzed by molecularly imprinted polymers (MIPs) is reported. MIPs were prepared by free-radical polymerization and characterized via a combination of solid-state NMR, infrared spectroscopy, and electron microscopy studies. Methacrylic acid-based polymers with high functional monomer content were observed to catalyze the hydrolysis and condensation of a model monoalkoxysilane to a greater extent when compared with the corresponding blank (non-imprinted) materials and buffer control solutions, as judged by quantitative gas chromatography investigations. Moreover, the polymers were used as biomimetic catalysts to synthesize silica-MIP hybrids with a certain degree of control of the microstructure of the resulting composites
Template and target information: diphenylsilanediol, 1,1,3,3,5,5-hexamethyltrisiloxane-1,5-diol
Author keywords: Biomimetic catalyst, Molecularly imprinted polymers, transition state, Siloxane bond, Silica precipitation


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