FLUORINE-CONTAINING NANO-SILICA COMPOSITE PARTICLES AND PREPARATION METHOD THEREFOR

• Main Authors: SATO KATSUYUKI, SAWADA HIDEO
• Format: Patent
• Language: English; French; German
• Published: 19.10.2016
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM; CHEMISTRY; COMPOSITIONS BASED THEREON; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; METALLURGY; NANOTECHNOLOGY; ORGANIC CHEMISTRY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING

Fluorine-containing nano-silica composite particles comprising a condensate of a fluorine-containing alcohol represented by the general formula: €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒR F -A-OH€ƒ€ƒ€ƒ€ƒ€ƒ[I] wherein R F is a perfluoroalkyl group or a polyfluoroalkyl group in which some of the fluorine atoms of the perfluoroalkyl group are replaced by hydrogen atoms, and A is an alkylene group having 1 to 6 carbon atoms; and an alkoxysilane with nano-silica particles, or fluorine-containing nano-silica composite particles comprising a condensate of a fluorine-containing alcohol represented by the general formula: €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒR F '-A-OH€ƒ€ƒ€ƒ€ƒ€ƒ[Ia] or the general formula: €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒHO-A-R F "-A-OH€ƒ€ƒ€ƒ€ƒ€ƒ[Ib] wherein R F ' is a linear or branched perfluoroalkyl group containing an O, S, or N atom, R F " is a linear or branched perfluoroalkylene group containing an O, S, or N atom, and A is an alkylene group having 1 to 6 carbon atoms; and an alkoxysilane with nano-silica particles.