WATER-DISPERSIBLE SILICONE RESINS

A process for preparing an aqueous dispersion of a silicone resin is disclosed by reacting a mixture containing an alkylalkoxysilane and a cationic alkoxysilane to form a self dispersing silicone resin and subsequently combining the silicone resin with water to form the dispersion. The resulting dis...

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Bibliographische Detailangaben
Hauptverfasser:	WIEBER, GARY, MICHAEL, EASTON, THOMAS, LIU, YIHAN, BEKEMEIER, THOMAS, DANIEL
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ADHESIVES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CORRECTING FLUIDS DYES FILLING PASTES FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR GENERAL PROCESSES OF COMPOUNDING INKS LAUNDERING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF TEXTILES OR THE LIKE TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS USE OF MATERIALS THEREFOR WOODSTAINS WORKING-UP
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Beschreibung
Zusammenfassung:	A process for preparing an aqueous dispersion of a silicone resin is disclosed by reacting a mixture containing an alkylalkoxysilane and a cationic alkoxysilane to form a self dispersing silicone resin and subsequently combining the silicone resin with water to form the dispersion. The resulting dispersions are useful for forming coatings on various substrates that are essentially free of co-surfactants or volatile organic solvents. La présente invention concerne un procédé de préparation d'une dispersion aqueuse d'une résine de silicone comprenant les étapes consistant à faire réagir un mélange contenant un alkylalcoxysilane et un alcoxysilane cationique afin d'obtenir une résine de silicone auto-dispersante et à combiner ensuite la résine de silicone avec de l'eau afin de former la dispersion. Les dispersions résultantes sont utiles pour former des revêtements sur divers substrats qui sont pratiquement exempts de co-tensioactifs ou de solvants organiques volatiles.