期刊
CHEMISTRY OF MATERIALS
卷 17, 期 26, 页码 6686-6694出版社
AMER CHEMICAL SOC
DOI: 10.1021/cm051954x
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Detailed diffuse-reflectance infrared Fourier transform structural analysis of a series of organically modified silicates (ORMOSIL)-entrapped catalysts, varying the molar percentage and the alkyl chain length of the organic group, shows that the important factors affording optimal catalytic performance are two: predominance of six-member siloxane rings (above 80% alkylation) and a low hydrophilicity-lipophilicity balance (HLB). These results provide investigators engaged in developing novel catalysts based on the sol-gel route-an advanced chemical technology for synthetic organic/inorganic chemistry with general guidelines to prepare optimal catalytic materials for a number of relevant applications.
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