# US 2014/0360408 A1 · Alkyd resin composition comprising silica > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0360408 A1 - Document ID: US20140360408A1 - Status: Published application - Kind: A1 - Application number: 14/369,155 - Filed: 2012-12-20 - Published: 2014-12-11 - Earliest claimed: 2011-12-29 - Assignees: Perstorp AB; Dyrup A/S - Applicants: Perstorp AB; Dyrup A/S - Inventors: Kent Sörensen; David Löf - Web page: https://patentgrep.com/patent/US20140360408A1 ## CPC - C09D 167/08: Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids - C08K 3/36: Silica - C08K 3/10: Metal compounds - C08K 2201/011: Nanostructured additives - C09D: COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR (cosmetics A61K; processes for applying liquids or other fluent materials to surfaces, in general, B05D; staining wood B27K5/02; glazes or vitreous enamels C03C; natural resins, French polish, drying-oils, driers, turpentine, per se, C09F; polishing compositions other than French polish, ski waxes C09G; adhesives or use of materials as adhesives C09J; materials for sealing or packing joints or covers C09K3/10; materials for stopping leaks C09K3/12; processes for the electrolytic or electrophoretic production of coatings C25D) - C08K: Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives C09) ## Abstract Disclosed is an oxidatively drying alkyd resin composition and a method for preparing said composition. Said composition is obtained by admixing an aqueous silica sol into a substantially 100% alkyd resin being in a liquid state either at ambient temperature or at an elevated temperature. Said silica sol is added in an amount of 0.1-10% by weight calculated as 100% silica on 100% alkyd resin. The use of a said composition is in a further aspect disclosed. ## Claims ### Claim 1 An oxidatively drying alkyd resin composition comprising at least one oxidatively drying alkyd resin and at least one silica characterised in, that said composition is obtained by admixing at least one aqueous silica sol, comprising silica nanoparticles, into a substantially 100% alkyd resin being in a liquid state, said alkyd resin being either liquid at ambient temperature or at an elevated temperature and said silica sol being added in an amount of 0.1-10%, by weight calculated as 100% silica on 100% alkyd resin. ### Claim 2 (depends on 1) A composition according to claim 1 characterised in, that said alkyd is liquid at 30-140° C. ### Claim 3 (depends on 1) A composition according to claim 1 characterised in, that said silica is a sterically or electrostatically stabilised silica. ### Claim 4 (depends on 1) A composition according to claim 1 characterised in, that said silica is salt free and/or counter ion purified. ### Claim 5 (depends on 1) A composition according to claim 1 characterised in, that said silica is a siloxane, silazane or preferably silane modified or treated silica. ### Claim 6 (depends on 1) A composition according to claim 1 characterised in, that said silica is modified or treated yielding a silica having at least one epoxy and/or vinyl group. ### Claim 7 (depends on 1) A composition according to claim 1 characterised in, that said silica is bonded a monomeric, oligomeric or polymeric glycidoxysilane, glycidoxyalkylsilane, glycidoxyalkylalkoxysilane, cycloalkylepoxysilane, (meth)acryloxysilane, (meth)acryloxyalkylsilane and/or (meth)acryloxyalkylalkoxysilane. ### Claim 8 (depends on 1) A composition according to claim 1 characterised in, that said silica is bonded to a monomeric, oligomeric or polymeric glycidoxysilane, glycidoxypropylsilane, tris-(trimethoxy)silane, octyltriethoxysilane, methyltriethoxysilane, methyltrimethoxysilane, tris-[3-(trimethoxysilyl)propyl]isocyanuratesilane, γ-mercaptopropyltrimethoxysilane, bis-(3-[triethoxysilyl]propyl)polysulfide, β-(3,4-epoxycyclohexyl)ethyltrimethoxysilane; γ-glycidoxypropyltrimethoxysilane, γ-glycidoxypropylmethyldiethoxysilane, (3-glycidoxypropyl)trimethoxysilane, (3-glycidoxypropyl)hexyltrimethoxysilane, β(3,4-epoxycyclohexyl)ethyltriethoxysilane, vinyltriethoxysilane, vinyltrimethoxysilane, vinyl-tris-(2-methoxyethoxy)silane, vinylmethyldimethoxysilane, vinyltriisopropoxysilane; γ-methacryloxypropyltrimethoxysilane, γ-methacryloxypropyltriisopropoxysilane, γ-methacryloxypropyltriethoxysilane, octyltrimethyloxysilane, ethyltrimethoxysilane, propyltriethoxysilane, phenytrimethoxysilane, 3-mercaptopropyltriethoxysilane, cyclohexyltrimethoxysilane, cyclohexyltriethoxysilane, dimethyldimethyoxysilane, 3-chloropropyltriethoxysilane, 3-methacryloxypropyltrimethoxysilane, iso-butyltriethoxysilane, trimethylethoxysilane, phenyldimethylethoxysilane, trimethylsilylchloride, vinyltriethoxysilane, hexamethyldisiloxane and/or hexamethyldisilizane ### Claim 9 (depends on 1) A composition according to claim 1 characterised in, that said alkyd and/or said silica sol is diluted with at least one organic solvent in an amount of 1-5% by weight calculated on said alkyd or said silica sol. ### Claim 10 (depends on 9) A composition according to claim 9 characterised in, that said solvent is propanol, butanol, pentanol, hexanol and/or octanol. ### Claim 11 (depends on 9) A composition according to claim 9 characterised in, that said solvent added before, after or during said silica addition. ### Claim 12 (depends on 1) A composition according to claim 1 characterised in, that said composition additionally comprises at least one drier, such as a Zr, Fe, K, Cu, Mn and/or Co based drier. ### Claim 13 (depends on 12) A composition according to claim 12 characterised in, that said composition comprises at most 0.01%, calculated as Co on 100% alkyd, of cobalt based driers. ### Claim 14 (depends on 1) A composition according to claim 1 characterised in, that said composition additionally comprises at least one pigment, filler, levelling additive, flow additive and/or antifoaming additive. ### Claim 15 (depends on 1) A composition according to claim 1 characterised in, that said alkyd resin is at least partially neutralised with an inorganic base, ammonia or an amine. ### Claim 16 (depends on 1) A composition according to claim 1 characterised in that said composition additionally comprises at least one surfactant or emulsifier. ### Claim 17 (depends on 15) A composition according to claim 15 characterised in, that said composition additionally comprises water and that an alkyd emulsion is obtained by phase inversion or homogenisation. ### Claim 18 (depends on 1) A composition according to claim 1 characterised in, that said composition additionally comprises at least one organic solvent and that said composition is a solvent borne composition. ### Claim 19 (depends on 1) A method of obtaining a composition according claim 1 characterised in, that, said method comprises admixing of a said aqueous silica sol into a substantially 100% alkyd resin being in a liquid state either at ambient temperature or at an elevated temperature, said silica sol being added in an amount of 0.1-10% by weight calculated as 100% silica on 100% alkyd resin. ### Claim 20 (depends on 19) A method according to claim 19 characterised in, that, said alkyd is liquid at 30-140° C. ### Claim 21 (depends on 19) A method according to claim 19 characterised in, that, said silica is admixed under vigorous stirring. ### Claim 22 (depends on 19) A method according to claim 19 characterised in, that said method subsequent said silica addition additionally comprises an evaporation step performed under vacuum or reduced pressure and at a temperature 40-120° C. ### Claim 23 (depends on 19) A method according to claim 19 characterised in, that said alkyd and/or said silica sol, before, after or during said silica addition, is diluted with at least one organic solvent in an amount of 1-5% by weight calculated on said alkyd or said silica sol. ### Claim 24 (depends on 23) A method according to claim 23 characterised in, that said solvent is propanol, butanol, pentanol, hexanol and/or octanol. ### Claim 25 (depends on 19) A method according to claim 19 characterised in, that said method additionally comprises a neutralisation step wherein an inorganic base, ammonia and/or an amine is added. ### Claim 26 (depends on 19) A method according to claim 19 characterised in, that said method additionally comprises addition of at least one surfactant or emulsifier. ### Claim 27 (depends on 25) A method according to claim 25 characterised in, that said method additionally comprises addition of water and a phase inversion or homogenisation yielding an alkyd emulsion. ### Claim 28 (depends on 19) A method according to claim 19 characterised in, that said method additionally comprises dilution with at least one organic solvent yielding a solvent borne composition. ### Claim 29 (depends on 1) A method of using the composition according to claim 1 comprising adding the composition to a preparation of a decorative and/or protective coating. ### Claim 30 (depends on 28) The method according to claim 28, wherein said coating is a lacquer, a varnish, a paint, an enamel.