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organically modified silica

Also contains definition of: organically modified silicate

Silica modified by organic groups.
  1. Organically-modified silicas can be obtained by sol-gel processing.
  2. An organically modified silica is of general structure (RO)aSi(B)b(C)c(D)d, where (a+b+c+d)=4, R is any alkyl, aryl or heteroaryl group and B, C and D are generally organic groups.
  3. Though it is a commonly used acronym for organically modified silica, 'Ormosil' is a trademark and as such its terminological use is discouraged.
PAC, 2007, 79, 1801 (Definitions of terms relating to the structure and processing of sols, gels, networks, and inorganic-organic hybrid materials (IUPAC Recommendations 2007)) on page 1816
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IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). XML on-line corrected version: (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8.
Last update: 2014-02-24; version: 2.3.3.
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