NZ722373B2 - Aqueous surface coating composition and modified particles - Google Patents
Aqueous surface coating composition and modified particles Download PDFInfo
- Publication number
- NZ722373B2 NZ722373B2 NZ722373A NZ72237315A NZ722373B2 NZ 722373 B2 NZ722373 B2 NZ 722373B2 NZ 722373 A NZ722373 A NZ 722373A NZ 72237315 A NZ72237315 A NZ 72237315A NZ 722373 B2 NZ722373 B2 NZ 722373B2
- Authority
- NZ
- New Zealand
- Prior art keywords
- coating composition
- aqueous coating
- agent
- composition
- polymer
- Prior art date
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- 239000002245 particle Substances 0.000 title claims abstract description 102
- 239000008199 coating composition Substances 0.000 title claims abstract description 96
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 118
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- 239000000203 mixture Substances 0.000 claims abstract description 74
- 230000002209 hydrophobic Effects 0.000 claims abstract description 64
- 239000011248 coating agent Substances 0.000 claims abstract description 53
- 238000000576 coating method Methods 0.000 claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 8
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- 239000000758 substrate Substances 0.000 claims description 30
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- 230000000536 complexating Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000001143 conditioned Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 150000004696 coordination complex Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- BAAAEEDPKUHLID-UHFFFAOYSA-N decyl(triethoxy)silane Chemical compound CCCCCCCCCC[Si](OCC)(OCC)OCC BAAAEEDPKUHLID-UHFFFAOYSA-N 0.000 description 1
- KQAHMVLQCSALSX-UHFFFAOYSA-N decyl(trimethoxy)silane Chemical compound CCCCCCCCCC[Si](OC)(OC)OC KQAHMVLQCSALSX-UHFFFAOYSA-N 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229960001826 dimethylphthalate Drugs 0.000 description 1
- JGOICJFFICGNEJ-UHFFFAOYSA-M disodium;3-[dihydroxy(oxido)silyl]propanoate Chemical compound [Na+].[Na+].O[Si](O)([O-])CCC([O-])=O JGOICJFFICGNEJ-UHFFFAOYSA-M 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- LILHXQCLSOZSRO-UHFFFAOYSA-J dizinc;oxozinc;dicarbonate;tetrahydrate Chemical compound O.O.O.O.[Zn+2].[Zn+2].[Zn]=O.[Zn]=O.[Zn]=O.[O-]C([O-])=O.[O-]C([O-])=O LILHXQCLSOZSRO-UHFFFAOYSA-J 0.000 description 1
- YGUFXEJWPRRAEK-UHFFFAOYSA-N dodecyl(triethoxy)silane Chemical compound CCCCCCCCCCCC[Si](OCC)(OCC)OCC YGUFXEJWPRRAEK-UHFFFAOYSA-N 0.000 description 1
- SCPWMSBAGXEGPW-UHFFFAOYSA-N dodecyl(trimethoxy)silane Chemical compound CCCCCCCCCCCC[Si](OC)(OC)OC SCPWMSBAGXEGPW-UHFFFAOYSA-N 0.000 description 1
- IGOFAIGWJGFDDZ-UHFFFAOYSA-N ethanesulfonamide;toluene Chemical compound CCS(N)(=O)=O.CC1=CC=CC=C1 IGOFAIGWJGFDDZ-UHFFFAOYSA-N 0.000 description 1
- HZAXFHJVJLSVMW-UHFFFAOYSA-N ethanolamine Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- SBRXLTRZCJVAPH-UHFFFAOYSA-N ethyl(trimethoxy)silane Chemical compound CC[Si](OC)(OC)OC SBRXLTRZCJVAPH-UHFFFAOYSA-N 0.000 description 1
- 239000010685 fatty oil Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 1
- 229940050410 gluconate Drugs 0.000 description 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 1
- AEMRFAOFKBGASW-UHFFFAOYSA-M glycolate Chemical compound OCC([O-])=O AEMRFAOFKBGASW-UHFFFAOYSA-M 0.000 description 1
- 239000010438 granite Substances 0.000 description 1
- VRINOTYEGADLMW-UHFFFAOYSA-N heptyl(trimethoxy)silane Chemical compound CCCCCCC[Si](OC)(OC)OC VRINOTYEGADLMW-UHFFFAOYSA-N 0.000 description 1
- RSKGMYDENCAJEN-UHFFFAOYSA-N hexadecyl(trimethoxy)silane Chemical compound CCCCCCCCCCCCCCCC[Si](OC)(OC)OC RSKGMYDENCAJEN-UHFFFAOYSA-N 0.000 description 1
- LNMQRPPRQDGUDR-UHFFFAOYSA-N hexyl prop-2-enoate Chemical compound CCCCCCOC(=O)C=C LNMQRPPRQDGUDR-UHFFFAOYSA-N 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000001165 hydrophobic group Chemical group 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 125000003010 ionic group Chemical group 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- 229910000460 iron oxide Inorganic materials 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- JVTAAEKCZFNVCJ-UHFFFAOYSA-M lactate Chemical compound CC(O)C([O-])=O JVTAAEKCZFNVCJ-UHFFFAOYSA-M 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 239000010982 man-made stone Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- BDAGIHXWWSANSR-UHFFFAOYSA-M methanoate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 description 1
- 239000003658 microfiber Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000012184 mineral wax Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- WWZKQHOCKIZLMA-UHFFFAOYSA-M octanoate Chemical compound CCCCCCCC([O-])=O WWZKQHOCKIZLMA-UHFFFAOYSA-M 0.000 description 1
- 229960003493 octyltriethoxysilane Drugs 0.000 description 1
- 230000003287 optical Effects 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 150000001282 organosilanes Chemical class 0.000 description 1
- MUBZPKHOEPUJKR-UHFFFAOYSA-L oxalate Chemical compound [O-]C(=O)C([O-])=O MUBZPKHOEPUJKR-UHFFFAOYSA-L 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 235000011007 phosphoric acid Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 150000003016 phosphoric acids Chemical class 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical compound C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000005053 propyltrichlorosilane Substances 0.000 description 1
- 230000001681 protective Effects 0.000 description 1
- 239000011044 quartzite Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000003549 soybean oil Substances 0.000 description 1
- 235000012424 soybean oil Nutrition 0.000 description 1
- 230000003068 static Effects 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 229940014800 succinic anhydride Drugs 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 150000003573 thiols Chemical class 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- QZCLKYGREBVARF-UHFFFAOYSA-N tributyl 2-acetyloxypropane-1,2,3-tricarboxylate Chemical compound CCCCOC(=O)CC(C(=O)OCCCC)(OC(C)=O)CC(=O)OCCCC QZCLKYGREBVARF-UHFFFAOYSA-N 0.000 description 1
- GPHYWIXZJBGHPO-UHFFFAOYSA-N trichloro(6-methylheptyl)silane Chemical compound CC(C)CCCCC[Si](Cl)(Cl)Cl GPHYWIXZJBGHPO-UHFFFAOYSA-N 0.000 description 1
- HLWCOIUDOLYBGD-UHFFFAOYSA-N trichloro(decyl)silane Chemical compound CCCCCCCCCC[Si](Cl)(Cl)Cl HLWCOIUDOLYBGD-UHFFFAOYSA-N 0.000 description 1
- BNCXNUWGWUZTCN-UHFFFAOYSA-N trichloro(dodecyl)silane Chemical compound CCCCCCCCCCCC[Si](Cl)(Cl)Cl BNCXNUWGWUZTCN-UHFFFAOYSA-N 0.000 description 1
- ZOYFEXPFPVDYIS-UHFFFAOYSA-N trichloro(ethyl)silane Chemical compound CC[Si](Cl)(Cl)Cl ZOYFEXPFPVDYIS-UHFFFAOYSA-N 0.000 description 1
- SRQHGWJPIZXDTA-UHFFFAOYSA-N trichloro(heptyl)silane Chemical compound CCCCCCC[Si](Cl)(Cl)Cl SRQHGWJPIZXDTA-UHFFFAOYSA-N 0.000 description 1
- RYPYGDUZKOPBEL-UHFFFAOYSA-N trichloro(hexadecyl)silane Chemical compound CCCCCCCCCCCCCCCC[Si](Cl)(Cl)Cl RYPYGDUZKOPBEL-UHFFFAOYSA-N 0.000 description 1
- RCHUVCPBWWSUMC-UHFFFAOYSA-N trichloro(octyl)silane Chemical compound CCCCCCCC[Si](Cl)(Cl)Cl RCHUVCPBWWSUMC-UHFFFAOYSA-N 0.000 description 1
- DOEHJNBEOVLHGL-UHFFFAOYSA-N trichloro(propyl)silane Chemical compound CCC[Si](Cl)(Cl)Cl DOEHJNBEOVLHGL-UHFFFAOYSA-N 0.000 description 1
- LPMVYGAHBSNGHP-UHFFFAOYSA-N trichloro(tetradecyl)silane Chemical compound CCCCCCCCCCCCCC[Si](Cl)(Cl)Cl LPMVYGAHBSNGHP-UHFFFAOYSA-N 0.000 description 1
- AHEMBBKAVCEZKE-UHFFFAOYSA-N trichloro(undecyl)silane Chemical compound CCCCCCCCCCC[Si](Cl)(Cl)Cl AHEMBBKAVCEZKE-UHFFFAOYSA-N 0.000 description 1
- 239000005052 trichlorosilane Substances 0.000 description 1
- HXOGQBSDPSMHJK-UHFFFAOYSA-N triethoxy(6-methylheptyl)silane Chemical compound CCO[Si](OCC)(OCC)CCCCCC(C)C HXOGQBSDPSMHJK-UHFFFAOYSA-N 0.000 description 1
- DENFJSAFJTVPJR-UHFFFAOYSA-N triethoxy(ethyl)silane Chemical compound CCO[Si](CC)(OCC)OCC DENFJSAFJTVPJR-UHFFFAOYSA-N 0.000 description 1
- SAWDTKLQESXBDN-UHFFFAOYSA-N triethoxy(heptyl)silane Chemical compound CCCCCCC[Si](OCC)(OCC)OCC SAWDTKLQESXBDN-UHFFFAOYSA-N 0.000 description 1
- OYGYKEULCAINCL-UHFFFAOYSA-N triethoxy(hexadecyl)silane Chemical compound CCCCCCCCCCCCCCCC[Si](OCC)(OCC)OCC OYGYKEULCAINCL-UHFFFAOYSA-N 0.000 description 1
- WUMSTCDLAYQDNO-UHFFFAOYSA-N triethoxy(hexyl)silane Chemical compound CCCCCC[Si](OCC)(OCC)OCC WUMSTCDLAYQDNO-UHFFFAOYSA-N 0.000 description 1
- MSRJTTSHWYDFIU-UHFFFAOYSA-N triethoxy(octyl)silane Chemical compound CCCCCCCC[Si](OCC)(OCC)OCC MSRJTTSHWYDFIU-UHFFFAOYSA-N 0.000 description 1
- FHVAUDREWWXPRW-UHFFFAOYSA-N triethoxy(pentyl)silane Chemical compound CCCCC[Si](OCC)(OCC)OCC FHVAUDREWWXPRW-UHFFFAOYSA-N 0.000 description 1
- NBXZNTLFQLUFES-UHFFFAOYSA-N triethoxy(propyl)silane Chemical compound CCC[Si](OCC)(OCC)OCC NBXZNTLFQLUFES-UHFFFAOYSA-N 0.000 description 1
- SVKDNKCAGJVMMY-UHFFFAOYSA-N triethoxy(tetradecyl)silane Chemical compound CCCCCCCCCCCCCC[Si](OCC)(OCC)OCC SVKDNKCAGJVMMY-UHFFFAOYSA-N 0.000 description 1
- BBWMWJONYVGXGQ-UHFFFAOYSA-N triethoxy(undecyl)silane Chemical compound CCCCCCCCCCC[Si](OCC)(OCC)OCC BBWMWJONYVGXGQ-UHFFFAOYSA-N 0.000 description 1
- NMEPHPOFYLLFTK-UHFFFAOYSA-N trimethoxy(octyl)silane Chemical compound CCCCCCCC[Si](OC)(OC)OC NMEPHPOFYLLFTK-UHFFFAOYSA-N 0.000 description 1
- HILHCDFHSDUYNX-UHFFFAOYSA-N trimethoxy(pentyl)silane Chemical compound CCCCC[Si](OC)(OC)OC HILHCDFHSDUYNX-UHFFFAOYSA-N 0.000 description 1
- HQYALQRYBUJWDH-UHFFFAOYSA-N trimethoxy(propyl)silane Chemical compound CCC[Si](OC)(OC)OC HQYALQRYBUJWDH-UHFFFAOYSA-N 0.000 description 1
- AXNJHBYHBDPTQF-UHFFFAOYSA-N trimethoxy(tetradecyl)silane Chemical compound CCCCCCCCCCCCCC[Si](OC)(OC)OC AXNJHBYHBDPTQF-UHFFFAOYSA-N 0.000 description 1
- LIJFLHYUSJKHKV-UHFFFAOYSA-N trimethoxy(undecyl)silane Chemical compound CCCCCCCCCCC[Si](OC)(OC)OC LIJFLHYUSJKHKV-UHFFFAOYSA-N 0.000 description 1
- PZJJKWKADRNWSW-UHFFFAOYSA-N trimethoxysilicon Chemical group CO[Si](OC)OC PZJJKWKADRNWSW-UHFFFAOYSA-N 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000004246 zinc acetate Substances 0.000 description 1
- 239000011667 zinc carbonate Substances 0.000 description 1
- 229910000010 zinc carbonate Inorganic materials 0.000 description 1
- 235000004416 zinc carbonate Nutrition 0.000 description 1
- 229940071566 zinc glycinate Drugs 0.000 description 1
- UOXSXMSTSYWNMH-UHFFFAOYSA-L zinc;2-aminoacetate Chemical compound [Zn+2].NCC([O-])=O.NCC([O-])=O UOXSXMSTSYWNMH-UHFFFAOYSA-L 0.000 description 1
- MCOGTQGPHPAUJN-UHFFFAOYSA-L zinc;2-hydroxyacetate Chemical compound [Zn+2].OCC([O-])=O.OCC([O-])=O MCOGTQGPHPAUJN-UHFFFAOYSA-L 0.000 description 1
- JDLYKQWJXAQNNS-UHFFFAOYSA-L zinc;dibenzoate Chemical compound [Zn+2].[O-]C(=O)C1=CC=CC=C1.[O-]C(=O)C1=CC=CC=C1 JDLYKQWJXAQNNS-UHFFFAOYSA-L 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/007—After-treatment
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- 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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
- C09D183/06—Polysiloxanes containing silicon bound to oxygen-containing groups
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/02—Emulsion paints including aerosols
- C09D5/022—Emulsions, e.g. oil in water
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
Abstract
Embodiments can include aqueous coating compositions, modified particles and methods. In an embodiment, an aqueous coating composition is included with particles having an inorganic core which includes a metal oxide particle, a surface on the outside of the core, an agent including a hydrophobic moiety adhering to the surface, and an agent including a hydrophilic moiety adhering to the surface. The aqueous coating composition can further include a film forming polymer composition including a polymer and water. The particles can be mixed with the polymer composition. In an embodiment, a method of coating a flooring surface is included, the method including applying an aqueous coating composition to a flooring surface and drying the aqueous coating composition. In an embodiment, a particle is included. The particle can include agents including a hydrophobic moiety adhering to the surface of the particle and agents including a hydrophilic moiety adhering to the surface. Other embodiments are also included herein. ety adhering to the surface, and an agent including a hydrophilic moiety adhering to the surface. The aqueous coating composition can further include a film forming polymer composition including a polymer and water. The particles can be mixed with the polymer composition. In an embodiment, a method of coating a flooring surface is included, the method including applying an aqueous coating composition to a flooring surface and drying the aqueous coating composition. In an embodiment, a particle is included. The particle can include agents including a hydrophobic moiety adhering to the surface of the particle and agents including a hydrophilic moiety adhering to the surface. Other embodiments are also included herein.
Description
(12) Granted patent specificaon (19) NZ (11) 722373 (13) B2
(47) Publicaon date: 2021.12.24
(54) AQUEOUS SURFACE COATING COMPOSITION AND MODIFIED PARTICLES
(51) Internaonal Patent Classificaon(s):
C09D 7/12 C09D 201/00
(22) Filing date: (73) Owner(s):
2015.01.22 3M INNOVATIVE PROPERTIES COMPANY
(23) Complete caon filing date: (74) t:
2015.01.22 HENRY HUGHES IP LIMITED
(30) Internaonal Priority Data: (72) Inventor(s):
US 61/933,143 2014.01.29 BAI, Feng
US 62/055,758 2014.09.26 THOMPSON, Wendy L.
SYKORA, Haeen
(86) Internaonal Applicaon No.: HOBBS, Terry R.
(87) Internaonal Publicaon number:
WO/2015/116459
(57) Abstract:
Embodiments can include aqueous coang ions, modified parcles and methods. In an
embodiment, an aqueous coang composion is included with parcles having an inorganic core
which es a metal oxide e, a surface on the outside of the core, an agent including
a hydrophobic moiety adhering to the surface, and an agent including a hilic moiety
adhering to the surface. The s coang composion can further include a film forming
polymer composion including a polymer and water. The es can be mixed with the polymer
ion. In an embodiment, a method of coang a flooring surface is included, the method
including applying an aqueous coang composion to a flooring surface and drying the aqueous
coang composion. In an embodiment, a parcle is included. The parcle can include agents
including a hydrophobic moiety adhering to the surface of the parcle and agents including a
hilic moiety adhering to the surface. Other embodiments are also included herein.
722373 B2
AQUEOUS E COATING COMPOSITION AND ED PARTICLES
Background
Surface coating compositions, such as floor es or polishes, have many
applications for both improving surface aesthetics and aiding in surface maintenance and
protection. Such coating compositions are frequently applied to a floor surface (or other type
of surface) and then allowed to dry in air, normally at ambient temperature and humidity. A
film is formed that serves as a protective barrier against soil deposited on the floor by
pedestrian or other traffic, for example. These same coating compositions can be applied to
other ate surfaces for which protection is desired, such as tile floors, walls, furniture,
windows, counter tops, bathroom surfaces, fiberglass surfaces, plastic surfaces, and the like.
Embodiments herein can include aqueous coating compositions, ed particles,
and related methods. In an embodiment, an aqueous coating ition is included with
particles having an inorganic core, a surface on the outside of the core, an agent including a
hydrophobic moiety ng to the surface, and an agent including a hydrophilic moiety
adhering to the surface. The aqueous coating ition can further include a film forming
polymer composition including a polymer and water. The particles can be mixed with the
polymer composition.
In an embodiment, a method of coating a substrate e is included, the method
including applying an aqueous coating composition to a flooring surface. The aqueous
coating composition can include particles having an nic core, a surface on the e
of the core, an agent including a hydrophobic moiety adhering to the surface, and an agent
including a hydrophilic moiety adhering to the surface. The aqueous coating composition can
further include a film forming polymer composition ing a polymer and water. The
method can further include drying the aqueous coating composition.
In an embodiment, a particle is included. The particle includes an inorganic core and
a e on the outside of the core. The particle further includes a plurality of agents
including a hydrophobic moiety adhering to the surface and a plurality of agent including a
hydrophilic moiety adhering to the surface. The particle can have a diameter of between
about 5 nm and about 200 nm. In some embodiments, at least about 20% of the particle
e is covered by the agents including a hydrophilic moiety and the agents including a
hydrophobic moiety. The ratio of agents including a hydrophilic moiety to agents having a
hydrophobic moiety can be from about 80:1 to about 2:1 (mole:mole).
In particular the present application provides for:
1. An s g composition comprising:
particles sing
an inorganic core, wherein the inorganic core includes a metal oxide particle,
a surface on the outside of the core,
an agent comprising a hydrophobic moiety adhering to the surface, and
an agent comprising a hydrophilic moiety adhering to the surface, and
a film forming polymer ition comprising a polymer and water, wherein the
polymer is selected from the group consisting of polyurethane, polyacrylate,
polyurethane-polyacrylate, epoxide, polyacrylate-epoxide, and combinations thereof;
wherein the particles are mixed with the polymer composition.
2. The aqueous coating composition of 1, the agent comprising a hobic moiety
comprising a silane compound.
3. The s coating composition of 1, the agent comprising a hydrophobic moiety
sing a trialkoxy silane compound.
4. The aqueous coating composition of 1, the agent comprising a hydrophobic moiety
sing a compound of the formula X1-L1-R1, wherein X1 is an alkoxysilane or
silane group, L1 is a linking group, and R1 is a hydrophobic moiety.
. The aqueous coating ition of 1, the hydrophobic moiety comprising a chain
length of C2 to C40.
6. The aqueous coating composition of 1, the agent comprising a hydrophilic moiety
comprising a silane compound.
7. The aqueous coating composition of 1, the agent comprising a hydrophilic moiety
comprising a trialkoxy silane compound.
(followed by page 2A)
8. The aqueous coating composition of 1, the agent comprising a hydrophilic moiety
comprising a compound of the formula R2, wherein X2 is an alkoxysilane or
chlorosilane group, L2 is a linking group, and R2 is a hydrophilic moiety.
9. The aqueous coating composition of 1, the hydrophilic moiety selected from the
group consisting of nonionic and ionic hydrophilic moieties.
. The s coating composition of 1, the particles having an average diameter of
between about 5 nm and about 200 nm.
11. The aqueous coating composition of 1, the ratio of the agent comprising a hydrophilic
moiety to the agent having a hydrophobic moiety comprising from about 80:1 to about 2:1
(mole:mole).
12. The s coating composition of 1, the agent comprising a hydrophilic moiety
ng from 5 to 99.9 percent of the particle surface.
13. The aqueous coating composition of 1, the agent comprising a hydrophobic moiety
covering from 0.1 to 10 percent of the particle surface.
14. The aqueous coating composition of 1, wherein the weight ratio of the polymer
composition to the particles is from 0.7:1 to 8:1.
. The aqueous g composition of 1, wherein the total solids in the aqueous coating
composition is from about 10 wt. % to about 50 wt. %.
16. The aqueous coating composition of 1, wherein the polymer composition comprises
the polymer dispersed within the water.
17. The aqueous coating composition of 1, wherein the polymer ition comprises
the polymer in on with the water.
18. The aqueous coating composition of 1, wherein the polymer composition comprises at
least about 10% by weight of the polymer.
19. The aqueous g ition of 1, r comprising a wetting agent.
(followed by page 2B)
. The aqueous g composition of 1, n the agent sing a hydrophobic
moiety is covalently bonded to the surface and the agent sing a hilic moiety is
covalently bonded to the surface.
21. The aqueous g composition of 1, exhibiting a coefficient of friction when dried
on the surface of a substrate that is greater than about 0.6.
22. The aqueous coating composition of 1, exhibiting a water resistance when dried that is
greater than an otherwise identical composition including only particles with an agent
comprising a hydrophilic moiety adhering to the e and lacking an agent comprising a
hydrophobic moiety adhering to the surface.
23. A method of coating a substrate surface comprising:
applying an aqueous coating composition to a substrate surface, the aqueous coating
composition sing les, the particles comprising
an nic core, wherein the inorganic core includes a metal oxide particle,
a surface on the outside of the core,
an agent comprising a hydrophobic moiety adhering to the surface, and
an agent comprising a hydrophilic moiety adhering to the surface, and
a film forming polymer composition comprising a polymer and water, wherein
the polymer is ed from the group consisting of polyurethane, polyacrylate,
polyurethane-polyacrylate, epoxide, polyacrylate-epoxide, and combinations thereof;
wherein the particles are mixed with the polymer composition; and
drying the aqueous coating composition.
24. The method of 23, the substrate surface comprising a material selected from the group
consisting of cementitious materials and natural stone.
. The method of 23, the resulting coating on the substrate surface comprising a gloss
(60o – ASTM D523) of at least about 70.
(followed by page 2C)
26. The method of 23, the resulting coating on the substrate surface comprising a
Distinctness of Image (60o- ASTM D5767) of at least about 86.
27. The aqueous coating composition of 1, wherein the particle has a diameter of between
about 5 nm and about 200 nm;
wherein at least about 20% of the particle e is covered by the agents comprising a
hydrophilic moiety and the agents comprising a hydrophobic moiety; wherein the ratio of
agents comprising a hydrophilic moiety to agents having a hobic moiety is from
about 80:1 to about 2:1 (mole:mole).
This y is an overview of some of the teachings of the t application and
is not intended to be an exclusive or exhaustive treatment of the present subject .
Further details are found in the detailed ption and ed claims. Other aspects will
be apparent to persons d in the art upon reading and understanding the following
detailed description and viewing the drawings that form a part thereof, each of which is not to
be taken in a limiting sense. The scope of the present disclosure is defined by the appended
claims and their legal equivalents.
Brief Description of the Drawings
Embodiments may be more completely understood in connection with the following
drawings, in which:
is a schematic cross sectional view of a particle in accordance with various
embodiments herein.
is a schematic cross-sectional view of a portion of an aqueous coating
composition in accordance with various embodiments herein.
While embodiments herein tible to various modifications and alternative forms,
specifics thereof have been shown by way of example and drawings, and will be described in
detail. It should be understood, however, that the scope herein is not limited to the particular
embodiments described. On the contrary, the ion is to cover cations, equivalents,
and alternatives falling within the spirit and scope herein.
(followed by page 2D)
Detailed Description
The embodiments described herein are not intended to be tive or to limit to the
precise forms disclosed in the ing detailed description. Rather, the embodiments are
chosen and described so that others d in the art can appreciate and understand the
principles and practices of the present embodiments.
All publications and patents mentioned herein are hereby incorporated by
reference. The ations and patents disclosed herein are provided solely for their
disclosure. Nothing herein is to be construed as an admission that the inventors are not
entitled to antedate any publication and/or patent, including any publication and/or patent
cited herein.
Embodiments herein relate to an aqueous surface coating composition including a
film-forming polymer composition and inorganic particles dispersed within the polymer
composition.
(followed by page 3)
The inorganic particles include an agent including a hydrophobic moiety adhering to the surface
of the particles and an agent including a hydrophilic moiety adhering to the surface of the
particles.
The resultant gs made with the surface coating composition have desirable
coefficients of friction and icant water resistance. By way of example, the resultant
coatings, when dried, can exhibit a water resistance that is greater than a coating that is formed
by an otherwise identical composition including only particles with an agent comprising a
hydrophilic moiety adhering to the surface and lacking an agent comprising a hydrophobic
moiety adhering to the surface. In various embodiments, the resultant coatings, when dried, can
exhibit a water resistance sufficient for the coating to exhibit no damage after exposure to water
for 24 hours. In various embodiments, the ant gs, when dried, can exhibit a
coefficient of friction (measured consistent with ASTM D2047, for example) when dried on the
surface of a substrate that is greater than about 0.6. In some embodiments, the coefficient of
friction can be greater than about 0.65. In some embodiments, the coefficient of friction can be
greater than about 0.7. In some ments, the coefficient of friction can be greater than
about 0.75.
In various ments, the coating that s through ation of g
compositions herein to a surface or substrate can exhibit desirable optical properties. Gloss of a
e can be tested in various ways, including but not limited to ASTM D523. By way of
example, in some embodiments, the resulting coating can t a gloss (60°) of greater than
about 60, or greater than about 65, or greater than about 70, or greater than about 75, or r
than about 80.
Distinctness of Image (DOI) can be measured in various ways, including but not limited
to ASTM D5767. In some embodiments, the resulting coating can exhibit a Distinctness of
Image (60°) of greater than 80, or greater than about 82, or r than about 84, or greater than
about 86, or greater than about 88, or greater than about 90, or greater than about 92.
Referring now to a schematic cross sectional view of a particle 100 in accordance
with various embodiments herein is shown. The particle can include a core 102 and a surface
108. Agents comprising hydrophilic moieties 104 and agents comprising hydrophobic moieties
106 can be adhered to the surface 108. Referring now to a schematic cross—sectional
view of a portion of an aqueous coating composition 200 is shown in accordance with various
embodiments herein is shown. The s coating composition can include particles 202
mixed with a polymer composition 204. Aspects of these components are described in greater
details below.
The coating composition can be d to a variety of substrates such as, for example,
floor, wall, counter top, furniture, window, fiberglass surfaces, plastic surfaces and bathroom
surfaces. In many cases, the substrate is a floor, but can be any surface upon which the coatable
compositions described herein can be d. Specific substrate materials can include, but are
not limited to, vinyl, ceramic, cementitious, wood, fibrous surfaces, cultured stone, natural stone
(including, but not limited to limestone, granite, quartzite, and marble amongst ), and the
like.
In various embodiments, the inorganic particle material includes a ity of particles
modified by compounds having hydrophilic moieties and modified by compounds having
hydrophobic moieties. The inorganic particles can include metal oxide particles in any oxidation
state. Examples of metal oxides can include, but are not limited to, silica, alumina, zirconia,
vanadia, titania, ceria, iron oxide, ny oxide, tin oxide, alumina/silica and combinations
thereof, with silica being a specific example. In some embodiments, the inorganic particles can
be nanoparticles having an average particle size (diameter) of 5—200 nm. In some embodiments
the particles can have an average size of from 5 to 40 nm. The particles can include an inorganic
core and a surface on the e of the core. In some ments, particles of a single specific
size or size range can be used. In other embodiments, particles of a first specific size or size
range can be used in conjunction with particles of a second (or subsequent) specific size or size
range.
The particles can include an exterior surface that is modified. By way of example,
surface modification of the inorganic particles can include the attachment of compounds o
that modify the characteristics of the surface. The term ce modified particle" can be used
to refer to a particle that includes surface groups ed to the e of the particle.
The agents used to modify the surface of the les can include at least two onal
ends, a first end (or ends) adhering to the outer surface of each nic particle and providing
adhering functionality, and a second end (or ends) (or "tail") extending from the particle and
providing functionality to change the characteristics of the particle. The term "adhering"
includes, for example, covalent bonding, hydrogen bonding, electrostatic attraction, London
forces, and hobic interactions. The agents may be chemisorbed or physisorbed.
It will be appreciated that such agents can be applied as single compounds that includes
both functionalities or can be formed in situ such as by applying a first compound that provides
attachment (or ng) functionality (including, but not limited to, aminosilanes, vinyl silanes,
methacryl silanes) and bonding or otherwise attaching a second (or subsequent) compound
thereto that provides the desired teristic ng functionality.
The agents may comprise organic acids, organic bases, silanes and combinations thereof.
The type of agent can depend on the type of inorganic particle and the try of the surface
coating composition. In embodiments (including, but not limited to, in the context of silica
nanoparticles), the agents can specifically e silane ng agents. Silane coupling agents
are bifunctional organosilanes, and a number of acceptable silane ng agents are available.
In various embodiments, one or more agents including a hydrophobic moiety are bound
to the surface of the inorganic particle. Such agents can include, but are not limited to, silane
coupling agents with tails that are hydrophobic. Agents with hydrophobic moieties can include
those having alkane, , or alkyne chains (linear, branched or ), and phenyl
functionality. In various embodiments, such agents can include chains lengths from C2 to C40.
The hydrophobic agent can contain one or more hydrophobic groups or segments per molecule.
The hobic agent can specifically include hobic silanes, such as alkyl s
or phenyl silanes. In some embodiments, the hydrophobic agent can be a compound of the
formula Xl—Ll—Rl, wherein X1 is an alkoxysilane or chlorosilane group, L1 is a linking group, and
R1 is a hydrophobic moiety. Exemplary hydrophobic silanes can include those represented by
the following structure: XmSi—(Y—R)4-m where X is a hydrolysable moiety such as alkoxy, acyloxy
or halogen; m is 1—3; Y is a bifunctional organic radical; and R is an organic radical that imparts
a hydrophobic character.
Specific hydrophobic agents can include, but are not limited to trialkoxy or trichloro alkyl
silanes with chain (linear, branched, or cyclic) lengths of C2 to C40, and in some embodiments
chain lengths of C6 to C24. Hydrophobic agents can include, but are not limited to,
ethyltrichlorosilane, ethyltrimethoxysilane, ethyltriethoxysilane, propyltrichlorosilane,
propyltrimethoxysilane, propyltriethoxysilane, n—butyltrichlorosilane, n—butyltrimethoxysilane, n—
butyltriethoxysilane, trichlorosilane, pentyltrimethoxysilane, pentyltriethoxysilane,
richlorosilane, rimethoxysilane, hexyltriethoxysilane, heptyltrichlorosilane,
heptyltrimethoxysilane, heptyltriethoxysilane, octyltrichlorosilane, octyltrimethoxysilane,
octyltriethoxysilane, isooctyltrichlorosilane, isooctyltrimethoxysilane, isooctyltriethoxysilane,
decyltrichlorosilane, decyltrimethoxysilane, decyltriethoxysilane, undecyltrichlorosilane,
undecyltrimethoxysilane, undecyltriethoxysilane, dodecyltrichlorosilane,
dodecyltrimethoxysilane, dodecyltriethoxysilane, tetradecyltrichlorosilane,
tetradecyltrimethoxysilane, tetradecyltriethoxysilane, hexadecyltrichlorosilane,
heXadecyltrimethoxysilane, hexadecyltriethoxysilane, and the like.
In addition to the agent(s) including a hydrophobic moiety, in s embodiments, one
or more agents including a hydrophilic moiety are bound to the surface of the inorganic particle.
Such agents can e silane coupling agents with tails that are hydrophilic and can be
nonionic or ionic. In some embodiments, the hydrophilic agent can be a compound of the
formula XZ—LZ—RZ, wherein X2 is an silane or chlorosilane group, L2 is a linking group, and
R2 is a hydrophilic moiety. Nonionic agents with hydrophilic moieties can include those having
l, amine, amide, urea, polyether, thiol, and/or yl (such as ketones, aldehydes,
esters), and the like, functionality. Acceptable nonionic hydrophilic silanes can include, for
example, methoxyethoxyethoxyethoxyureidopropyltriethoxysilane (CH3CH20)3 )3
NHC(O)OCH2 CH20CH2CH20CH2CH20CH3, trimethoxysilyl)propyl]urea, 3—
triethoxysilyl propyl ic anhydride, and s hylene glycol based silanes.
Exemplary hydrophilic silanes can include those with polyethylene glycol tails, represented by
the following structure: XmSi—(Y—OCHzCH2(OCH2CH2)nOR)4-m where X is a hydrolysable
moiety such as alkoxy, acyloxy or halogen; m is 1—3; Y is a bifunctional organic radical; n is l—
100; and R is an c radical that does not impart hydrophobic character.
In some embodiments, ionic hydrophilic agents are employed with either anionic or
cationic functional groups. Anionic functional group types can include the salts of carboxylic
acids, sulfonic acids, and phosphoric acids. Cationic types may include quaternary amines and
protonated amines. The hilic agent can contain one or more ionic groups per molecule.
hilic silanes containing carboxylic acid salts can be used for silica particle surface
modification. These can include carboxyethylsilanetriol sodium salt, as well as the salts of other
acid—based silane coupling agents such as oxybutyltriethoxysilane (CH3CH20)3 Si(CH2) 4
COzH, l0—carboxydecyltriethoxysilane (CH3CH20)3Si(CH2)1oC02H, etc. rly, a variety of
diacid—based silane coupling agents are available, with the hydrolysis product of 3—(3—
trimethysilylpropylthio) succinic anhydride, aqueous ammonia providing one acceptable
formulation.
In addition to agents including a hydrophilic moiety, in s embodiments one or more
agents including a hydrophobic moiety are also bound to the surface of the inorganic particle.
The surface modified inorganic particle material can be characterized, in some
embodiments, by the amount of the surface area of the particles covered by the hydrophilic and
hydrophobic agents. The following table shows typical molar amounts of silane compounds
needed to obtain full surface area coverage (which shall be referred to herein as 100 percent
surface coverage). Smaller particle sizes, such as at a diameter of 5 nm, can deviate somewhat in
ing slightly less silane than would be otherwise expected based on the diameter in order to
achieve full (or 100 percent) surface area coverage. It will be appreciated that the use of
additional amounts of silane nds is contemplated (e. g., in addition to the amounts needed
for 100 percent coverage or overcharging).
Typical Particle Diameter l Surface Area Typical mmoles silane / gram
(nm) (mZ/g) Dry Silica
12 227 1.033
135 0.62
50 55 0.248
85 35 0.146
In various embodiments, amounts used of the hydrophilic and hydrophobic silane
compounds together is sufficient to cover at least about 5 percent, 10 percent, 15 percent, 20
percent, 25 t, 30 percent, 35 percent, 40 percent, 45 percent, 50 percent, 55 percent, 60
percent, 65 percent, 70 percent, 75 t, 80 percent, 85 percent, 90 percent, 95 percent, or 100
percent of the surface area of the particles.
In various embodiments, amounts used of the hydrophilic and hydrophobic silane
compounds together is ient to cover 5—100 percent; in some embodiments 15—80 percent; in
some embodiments 25—70 percent; in some embodiments 30—50 percent; in some embodiments
—45 percent; in some embodiments about 40 percent of the surface area of the particles.
The hydrophilic agent can cover 5 to 99.9 percent of the surface of the inorganic
particles; in some embodiments 5 to 60 percent of the surface of the inorganic particles; in some
embodiments 5 to 50 t of the surface of the inorganic particles; in some embodiments 10
to 40 t; in some embodiments 10 to 30 percent; in some embodiments 15 to 25 t; in
some embodiments about 20 percent.
In various embodiments, a lesser amount of the hydrophobic agent on a molar basis is
used in comparison with the hydrophilic agent. The hydrophobic agent can cover 0.1 percent to
10 percent of the e area of each inorganic particle; in some embodiments 0.5 to 5 t;
in some ments about 1 percent.
The ratio of the hydrophilic agent coverage to the hydrophobic agent coverage can be
from about 80:1 to about 2:1 (mole:mole); in some embodiments from about 40:1 to about 4:1; in
some embodiments from about 30:1 to about 10:1; in some embodiments, from about 25:1 to
about 15:1.
In some embodiments, les of a single specific e coverage amount and/or
hydrophobic to hydrophilic modification ratio can be used. In other embodiments, particles of a
first specific surface coverage amount and/or hydrophobic to hilic cation ratio can
be used in conjunction with particles of a second (or subsequent) specific surface coverage
amount and/or hobic to hydrophilic modification ratio.
The surface modification can be accomplished by any suitable means. In some
embodiments, the hydrophilic and hobic agents are added to the suspension and allowed
time to adhere to the inorganic particle surfaces. The time can range from s to hours. In
some cases, the hydrophilic and hydrophobic agents are added at the same time. In other cases,
the hydrophilic and hydrophobic agents can be adhered to the nic particle surfaces in
separate steps.
In the case of some silane coupling agents, suitable catalysis and elevated temperature
may be required to complete the surface modification. In the case of ionic coupling agents,
additional base may be added to neutralize the free acid or facilitate other reactions such as
hydrolysis of anhydride functionality.
Aqueous coating compositions herein can also include a film—forming polymer
composition. The film—forming polymer composition can assume a wide variety of forms and
can include one or more polymers (including, but not limited to polymers, copolymers, and
terpolymers) and water. In some embodiments, the film—forming polymer composition can be
emulsion—based. The polymer composition can e polymer(s) that are acrylic polymers,
acrylic copolymers, styrene—acrylic copolymers, or blends thereof. Acrylic polymers contain only
one type of acrylate monomer, whereas the acrylic copolymers comprise two or more different
types of te rs. Styrene—acrylic copolymers se at least one type of styrene
monomer and one type of acrylate monomer. The acrylate monomers can include acrylic acid,
butyl acrylate, ethyl acrylate, methyl acrylate, l hexyl acrylate, acrylonitrile, acrylamide,
methacrylic acid, methyl methacrylate, ethyl methacrylate, butyl methacrylate, methacrylamide,
and the like. Styrene monomers can include styrene, alpha—methyl e, and the like.
Commercially available c copolymers suitable for surface coating compositions
include, but are not limited to, methyl rylate/butyl acrylate/methacrylic acid
(MMA/BA/MAA) mers, methyl methacrylate/butyl acrylate/acrylic acid (MMA/BA/AA)
copolymers, and the like.
Suitable commercially available styrene—acrylic copolymers include, but are not limited
to, e/methyl methacrylate/butyl acrylate/methacrylic acid (S/MMA/BA/MMA)
copolymers, styrene/methyl methacrylate/butyl acrylate/acrylic acid (S/MMA/BA/AA)
copolymers, and the like.
Commercially available c polymers suitable for surface coating compositions
include, for example, Morglo II Latex from Omnova Solutions, Inc., of Chester S.C. Other
commercially available acrylic mers include: Rhoplex B—924, Roshield 3188, and
Duraplus 3 from Dow Chemical of Midland, MI, Megatran 220 and Megatran 240 from
Interpolymer Corporation of , MA, MAC 34 and AC 2728 from Alberdingk Boley, Inc. of
Greensboro, NC.
Commercially available acrylic urethane hybrid copolymers include the Hybridur family
of products such as Hybridur 870 and 878 from Air Products, Inc., APU 10140, APU 10600, and
APU 10620 from Alberdingk Boley, Inc., and NeoPac R—9036 and E—129 from DSM ins,
Inc. of gton, MA.
Commercially available urethane polymers include the U series of solvent free
polyurethane dispersions such as U 6150 and U 9380 from Alberdingk Boley, Inc., Bayhydrol
UH 2558 and UH 2606 from Bayer Materials Science, NeoRez R—2180, NeoRez R—2005,
NeoRez R—9029 and NeoRez R—2190 from DSM NeoResins, Inc., and the Sancure and Turboset
polyurethane dispersions ble from Lubrizol Corporation of and, OH.
In an embodiment, the film—forrning polymer composition orates acrylic try
based components in combination with polyurethanes (poly(urethane—acrylate) hybrids).
Polyurethanes and rylates can be used together to achieve coatings that are both hard and
tough. In another embodiment, the film—forming polymer matrix includes a hybrid copolymer
consisting of urethane and acrylic polymer chains. In an embodiment, the acrylic urethane hybrid
polymer can be added to commercially available acrylic—based surface coating compositions.
In various embodiments, epoxides can also be used as part of the r composition.
In various embodiments, polyacrylate—epoxides can be used.
The polymer composition (as a component of the overall aqueous coating composition)
can include at least about 10% by weight of the polymer; in some embodiments at least about
% by weight of the polymer; in some ments at least about 20% by weight of the
polymer; in some embodiments at least about 25% by weight of the polymer; in some
embodiments at least about 30% by weight of the polymer; in some embodiments at least about
% by weight of the polymer; in some embodiments at least about 40% by weight of the
polymer; in some embodiments at least about 45% by weight of the polymer; in some
embodiments at least about 50% by weight of the polymer; in some embodiments at least about
55% by weight of the polymer; in some ments at least about 60% by weight of the
polymer.
The l aqueous coating composition can contain between about 5 and 50 weight
percent polymer solids in some embodiments and in other embodiments between about 10 and
weight percent r solids. The weight ratio of polymer composition solids to surface
modified inorganic particle material solids can be in the range of 1:5—20:1; in some embodiments
0.7:1 to 8:1; and in some embodiments 0.7:1 to 4:1. In some embodiments, the amount of the
surface modified inorganic particle al solids exceeds the weight ratio of 4:1 polymer
composition solids to surface ed inorganic particle material . In some embodiments,
the amount of the surface modified inorganic particle material solids exceeds the weight ratio of
2:1 polymer composition solids to e modified inorganic particle material solids. In some
ments, the amount of the surface modified inorganic particle al solids exceeds the
weight ratio of 3:2 polymer ition solids to surface modified inorganic le material
solids. In some embodiments, the amount of the surface modified inorganic particle material
solids exceeds the weight ratio of 4:3 polymer composition solids to surface modified inorganic
particle material solids. In some embodiments, the amount of the surface modified inorganic
particle material solids exceeds the weight ratio of 10:9 polymer composition solids to surface
modified inorganic particle material solids. In some embodiments, the amount of the surface
modified inorganic le material solids exceeds the weight ratio of 1:1 polymer composition
solids to surface modified inorganic particle material solids.
In some embodiments, the aqueous coating composition can e 3—50% by weight of
an external cross—linking agent. External crosslinking agents are available commercially and
include, but are not limited to, water dispersible isocyanates and carbodiimides. Typically, these
agents are mixed into the aqueous g prior to application. After mixing, the crosslinking
agent is well dispersed in the aqueous formulation and can chemically react with one or more
components in the formulation. lly, the isocyanate reacts with one or more polymers in the
composition after the coating has dried. Commercial examples of these isocyanates include
Bayhydur 304 and 305 and are available from Bayer Material Science. Use of these isocyanates
in a coating can e a number of coating properties including mar resistance, detergent
ance, hot water resistance, and solvent resistance. Furthermore, these compounds can
improve overall durability and/or wear resistance of a coating.
The surface coating itions can also contain other components such as polyvalent
metal nds, alkali e resins, waxes, permanent and fugitive cizers, defoamers,
wetting agents, and biocides. The polyvalent metal compound provides crosslinking of the
polymers in the film and ses the detergent resistance of the coating. Plasticizers or
coalescing agents can be added to lower the temperature of film formation. Alkali soluble resins
improve the ability of the coating to be stripped from the substrate before reapplication of a fresh
coating. Waxes improve the gloss of the coating and allow the coating to be buffed. Biocides
help minimize the formation of molds or mildew in the coating. Antifoamers and defoamers
minimize the formation of bubbles in the g.
le polyvalent metals include beryllium, cadmium, copper, calcium, magnesium,
zinc, zirconium, barium, strontium, aluminum, bismuth, antimony, lead, cobalt, iron, nickel, and
the like. Although the polyvalent metal compound can be added to the coating composition in
dry form such as powder, it can also be added as a solution. The polyvalent metal compound can
be a metal complex, a metal salt of an c acid, or a metal chelate. The ammonia and amine
xes of these metals are useful because of their high solubility. Amines capable of
complexing many metals include, for example, monoethanol amine, laminoethanol, and
ethylenediamine. Polyvalent metal complexes and salts of organic acids can be soluble in an
alkaline pH range. Anions of organic acids e acetate, formate, carbonate, glycolate,
octanoate, benzoate, gluconate, oxalate, lactate, and the like. Polyvalent metal chelates where the
ligand is a bidentate amino acid such as e or alanine can also be used.
Zinc and cadmium are exemplary polyvalent metal ions. Exemplary polyvalent metal
compounds include zinc acetate, cadmium acetate, zinc glycinate, cadmium glycinate, zinc
carbonate, cadmium carbonate, zinc benzoate, zinc late, zinc glycolate, and cadmium
glycolate. In some ations, a fugitive ligand such as a can be used. A ligand is
considered fugitive if at least a portion of the ligand tends to volatilize as the coating dries to
form a film on the substrate.
The alkali—soluble resins can include copolymers of styrene or vinyl toluene with at least
one o—B—monoethylenically unsaturated acid or anhydride such as styrene—maleic anhydride
resins, rosin/maleic anhydride adducts which are condensed with polyols, and the like. The
alkali—soluble resins can have a weight average molecular weight from about 500 to 10,000 and
in some embodiments from about 1000 to 5000. The resins are often used as a conventional resin
WO 16459
cut, which is an aqueous solution of the resin with an alkaline substance having a fugitive cation
such as ammonium hydroxide. The alkali soluble resin can be included in amounts from 0 to
about 20 weight percent and in some embodiments in amounts from 0 to about 15 weight percent
based on the weight of the coating composition.
The waxes or mixtures of waxes that can be used include waxes of a vegetable, animal,
tic, and/or mineral origin. Representative waxes include, for example, carnuba, candelilla,
n, stearin, x, ed polyethylene wax, polyethylene emulsions, polypropylene,
copolymers of ethylene and acrylic , hydrogenerated coconut oil or soybean oil, and the
mineral waxes such as paraffin or ceresin. The waxes can be included in amounts from 0 to about
15 weight percent and in some ments from about 2 to about 10 weight t based on
the weight of the coating composition.
In some embodiments, the aqueous coating composition can include from about 1 to
about 10 weight percent cizer based on the weight of the coating composition. The
plasticizer facilitates film formation at ambient temperatures when the coating is applied to a
substrate. A fugitive or semi—fugitive plasticizer can be used instead of a permanent plasticizer
for many ations. A fugitive or semi—fugitive plasticizer is a plasticizer that at least partially
evaporates as the coating dries. Permanent plasticizers do not evaporate. Mixtures of fugitive and
permanent plasticizers can be used. The particular plasticizer and the amount used are chosen in
accordance with the demand for compatibility with the ation, efficiency in lowering the
film—forming temperature, and clarity of the coating.
Fugitive plasticizers or cents include, for example, the monobutyl, monoethyl,
monomethyl or other monoalkyl ethers of diethylene glycol or diproplyleneglycol, isophorone,
benzyl alcohol, butyl cellosolve, and 3—methoxybutanol—l. Permanent plasticizers include, for
example, benzyl butyl ate, dibutyl phthalate, dimethyl phthalate, triphenyl phosphate, 2—
ethyl hexyl benzylphthalate, fatty oil acid esters of caprolactam, acetyl tributyl citrate, toluene
ethyl sulfonamide, tributoxyethyl phosphate, and tributyl phosphate.
The aqueous g compositions herein can have a total solids content from about 5 to
about 50 weight percent. In some embodiments, aqueous coating compositions herein can have a
total solids content from about 10 to about 50 weight percent. The aqueous coating compositions
herein can have a total solids content from about 5 to about 15 weight percent. In one
embodiment, the total solids can range from about 10 to about 30 weight percent and in some
embodiments from about 15 to about 25 weight percent based on the weight of the coating
ition. In another embodiment, a concentrated coating ition is provided containing
up to about 35 to about 50 weight t solids based on the weight of the coating composition.
Such concentrated compositions can be diluted prior to use by either mixing the concentrate with
water or by applying the coating composition with a wet mop or applicator.
The pH of the coating composition can be in the range of about 6 to about 10.5 in some
embodiments. In other embodiments, the pH is between about 7.5 and about 9.9. The pH can be
adjusted using various bases or buffering agents. Suitable bases or ing agents include, for
example, borax, sodium hydroxide, alkali phosphates, alkali silicates, alkali carbonates,
ammonia, and amines such as diethanolamine or triethanolamine.
Another aspect includes a method for applying the coating compositions described
. The coating can be applied to a variety of substrates including floor, wall, furniture,
, counter top and bathroom surfaces. The substrates can be fibers, metal, plastic, wood,
stone, brick, glass, cement, concrete, ceramic masonite, dry wall, plaster, plastic, and the like.
Bathroom surfaces can be countertops, shower stalls, toilets, and urinals. In some embodiments,
the substrate is a floor surface. The floor surface can be wood, composite vinyl tile, vinyl
um, asphalt, asbestos, concrete, ceramic, and the like.
In some embodiments, the coating composition can be applied through the application of
a single coat. In other embodiments, the coating composition can be applied through the
application of multiple coats. As an e, in some embodiments, the coating composition
can be applied through the application of l to 10 coats onto a substrate. In some embodiments,
the coating can be applied through the ation of 2 to 8 coats onto a substrate. The thickness
of the resulting coating can depending on various aspects including, but not d to, the
number of coats applied. In some ments, the coating thickness can be from about 1
micron to about 50 microns. In some embodiments, the coating thickness can be from about 5
microns to about 40 microns. In some embodiments, the g thickness can be from about 2
microns to about 8 microns.
ying agents can provide various desirable properties to a substrate material
ing one or more of enhanced durability, reduced liquid permeability, enhanced stain
resistance, etc. In some embodiments, compositions herein can be densifying compositions. In
some embodiments herein, a method of ying a substrate is included. The method can
include applying an aqueous coating composition to a substrate surface, the aqueous coating
composition comprising particles. The particles can e an inorganic core, a surface on the
outside of the core, an agent comprising a hobic moiety adhering to the surface, and
an agent comprising a hydrophilic moiety adhering to the surface, and a film forming polymer
composition comprising a polymer and water. The method can further include drying the
aqueous g composition.
Embodiments herein may be better understood with reference to the following examples.
However, these examples are not intended as limiting the scope herein.
Examples
Materials
Substrates: solid black VCT available from ong; Silica Particles: a 40% aqueous
colloidal spherical silica dispersion (stabilized with ammonium ion, Mean Particle Diameter = 20
nm), available as NALCO 2327 from NALCO Chemical Company; Scotch Guard Resilient
Floor protector: available from 3M, St Paul, MN; 5300 blue cleaning pad, available from 3M, St
Paul, MN; modifying agents: 3—(triethoxysilyl)propylsuccinic anhydride and
isooctyltrimethoxysilane both available from Gelest; Conformable water—resistant vinyl form
with adhesive back (3/8’ thick): used as liquid sample holder when adhered to tile for water
sensitivity test, available from McMASTER—CARR, st, IL.
Tile Coating Procedure
The ing coating procedure (corresponding to ASTM D1436) was used for the
example herein. A piece (2”x2”) of gauze sponge was placed in the center of a new black VCT,
which was previously stripped by 3M Speed er. 3.8 mL of floor coating composition (at a
coating amount of 2000SF/Gallon) was also placed in the center of tile. The gauze sponge was
used to spread the coating evenly over the entire panel. The panel was left to dry for 30 minutes.
The coating ure was repeated until the desired number of coats had been applied to each
panel. After the panels had been finally coated, they were left to dry completely for 7 days
before testing was done.
Test s
C0-Efi‘icient ofFriction (C0F) Test
A James Machine was used to test the coefficient of friction. For the test (corresponding
to ASTM D2047), the leather foot was removed from the control environment. It was
conditioned with one smooth stroke of light re on 400 grit sandpaper. The test tile was put
in the machine and set up the foot. The start was pressed to begin the ement. When
measurement was complete, the COP was recorded. Then, the tile was d by 90 degrees, the
machine was reset and the COP was measured again. At the end of measuring, the temperature
and humidity in the room was recorded and the foot was placed back in the control environment.
The static coefficient of friction was tested 4 times on each panel along 4 directions
perpendicular to the four edges of the tile. The average of the four gs was reported as
measured value.
Water Resistance Test:
A one—inch diameter hole was created by die cutting a piece of conformable vinyl foam
that was then firmly adhered to the coated tile. Deionized (DI) water was placed in the hole, and
allowed to dwell for 1h and 24hr, respectively. After the ated period of time, the DI water
was removed and the resistance of g was visually assessed with following reference scale:
(5 — No Damage, No Mark; 4 — No Damage with Mark; 3 — Slightly Damaged, Slightly Glossy;
2 — Slightly Damaged, Not Glossy; 1 — Seriously d).
Example 1: Hydrophilic Surface Modified Silica Particles (20% anhydride silane coverage)
—01”):
1000 grams of 20 nm silica Nalco 2327 (41wt %) was added to a glass jar equipped with
a magnetic stir bar. While stirring at room temperature, 15 grams of 3—triethoxysilyl propyl
succinic anhydride was slowly added to the Nalco 2327 containing glass jar through a dropper
over a period of 10 minutes while stirring well. After the addition was complete, the mixer was
stirred for another 30 minutes, and the jar was sealed and placed in a 90°C oven for 20 hours (no
stirring while in oven). Upon cooling to room temperature, modified 20 nm silica particles
having 20% surface coverage (by calculation) and 41.5 % solids were ed.
Example 2: hilic/Hydrophobic Surface Modified Particles (20% anhydride silane / 1%
iso—octyl silane coverage) (“SiOz-02”):
An oil bath was turned on and set at 95°C to allow the oil to heat while the on was
being prepared. 150g of above hydrophilically modified Nalco 2327 was measured and placed
into a 3—neck round—bottom flask (Ace Glass, Vineland, New Jersey). A glass stir rod with a
Teflon paddle was attached to the center neck of the round—bottom flask. The flask was lowered
into the oil bath, a condenser was attached, and then the contents were allowed to stir at a
medium—high rate. 150.05g of methoxypropanol (Alfa Aesar, Ward Hill, husetts) was
measured in a 250mL glass beaker, and then 0.09g of isooctyltrimethoxysilane (Gelest Inc.,
Morrisville, Pennsylvania) was measured into the beaker with methoxypropanol. The solution
was mixed thoroughly and then added to the 3—neck round—bottom flask. The reaction was
allowed to stir for 16 hours set on a timer in a 95°C oil bath. The resulting modified nanoparticle
solution was allowed to cool and then filtered through a 1 micron Acrodisc 37mm glass fiber
filter (Pall Life Sciences, Ann Arbor, Michigan). The resulting solids of the modified
nanoparticles solution was 21.05 wt. %.
Exam le 3: H dro hilic/H dro hobic Surface Modified Particles 20% anh dride /5% iso—
octyl silane ge) 1“SiOz-03”!:
Nanoparticles were prepared using the same procedures as described above for Example
2. However, for this e, the amount of isooctyltrimethoxysilane was multiplied by a factor
of5.
Example 4: Hydrophilic/Hydrophobic Surface Modified Particles 120% anhydride silane/ 0.5%
iso—octyl silane coverage) 1“SiOz-04”):
An oil bath was turned on and set at 95°C to allow the oil to heat while the reaction was
being prepared. 150g of hydrophilically modified Nalco 2327 (Nalco Company, Naperville,
Illinois) at 20% e coverage and 41.5% solids was measured into a 3—neck round—bottom
flask (Ace Glass, Vineland, New Jersey). A glass stir rod with a Teflon paddle was attached to
the center neck of the round—bottom flask. The flask was lowered into the oil bath, a condenser
was attached, and then the contents were allowed to stir at a medium—high rate. 100.61 g of
Methoxypropanol (Alfa Aesar, Ward Hill, Massachusetts) was ed in a 250mL glass
beaker, and then 0.05g of isooctyltrimethoxysilane (Gelest Inc., Morrisville, Pennsylvania) was
measured into the beaker with methoxypropanol. The on was mixed ghly and then
added to the 3—neck bottom flask. The reaction was allowed to stir for 16 hours set on a
timer in a 95°C oil bath. The resulting modified nanoparticle solution was allowed to cool and
then r processed to remove methoxypropanol via solvent exchanging as follows.
Hybrid surface ed particles, 249.17g, were weighed into a 500mL round bottom
flask. An azeotrope of methoxypropanolzwater, 122.55g, was removed via a rotavap (Buchi
Corporation, New Castle, Delaware). De—ionized water, 127.55g, was added to the flask
containing the modified particles and then solvent was removed from the ed particle
—16—
solution again. This was repeated until methoxypropanol was no longer apparent. The final
solution was filtered through a 1 micron Acrodisc 37mm glass fiber filter (Pall Life es,
Ann Arbor, Michigan) with a solids content of 43.29 wt.%.
Example 6: Friction and Water ance Assessment
Test compositions were prepared by mixing the calculated amount of silica particles (no
particles, , SiOz—Z, SiOz—3, or SiOz—4) to 100g of Resilient Protector (commercially
available from 3M) with ent loading levels (25, 50, 75 or 90 wt. % — details listed in Table 1
. The mixed liquids were well stirred using magnetic stir bars, and then were coated on
newly stripped black VCTs according to the procedure described above. The samples were
allowed to dry under ambient conditions for 7 days before testing. Friction testing and water
resistance testing were then performed according to the ures above. The results are shown
below in Table 1.
TABLE 1
-Particle Water Water
Samples Loading to Resistance Resistance
Polymer Measured (1 Hour (24 Hour
* COF Test) Test)
0% 0.58 +/— 0.02 5 4
% 0.74 +/— 0.04 4 4
50% 0.77 +/— 0.02 2 2
90% 0.79 +/— 0.03 1 1
% 0.68 +/— 0.01 5 5
50% 0.72 +/— 0.03 5 5
75% 0.74 +/— 0.02 4 4
90% 0.77 +/— 0.03 4 4
% 0.72 +/— 0.03 5 5
50% 0.72 +/— 0.01 5 5
90% 0.73 +/— 0.02 5 5
% 0.73 +/— 0.01 5 5
50% 0.71 +/— 0.02 5 5
90% 0.73 +/— 0.03 5 5
* Wherein 100 % represents 1:1 wt./wt.
It can been seen from Table 1 that addition of surface modified particles significantly
increased the coefficient of friction, which is a critical performance factor for floor coatings
since higher COF is beneficial in reducing the hood of slip and fall accidents. However, it
also can be seen that while gaining friction benefits with increasing the particle loading level,
there were ses in water resistance. Such decreases are not desirable since floor
maintenance heavily involves water.
However, when particles were surface modified with an agent ing a hydrophobic
moiety (iso—octyl silane) together with an agent including a hydrophilic moiety (anhydride
silane) and these particles were incorporated into the floor coating, the particles still exhibited
excellent dispensability and stability in the aqueous g, and, significantly, the dried coating
demonstrated excellent water resistance while still maintaining a higher COF. Table 1 above
lists the test results of the floor coatings containing these hybrid surface modified particles
having 0.5%, l% and 5% surface coverage of the agent having a hydrophobic moiety. The
results showed these coatings all exhibited excellent water resistance while still have higher
COF.
Visual comparison of SiOz—l with SiOz—3 (both at 90% loading of particles) after water
resistance testing showed dramatic improvement of the coating water resistance with addition of
the agent having a hydrophobic moiety.
Example 7: Coating with Hydrophilic/Hydrophobic Surface ed les Deposited on
Natural Stone Substrate
A test ition including e modified particles was prepared by mixing acrylic
polymer:urethane polymer:modified particles (in a solids ratio of 3:14:10) to form an 11% solids
mixture. The test composition was coated onto a marble tile floor and also a cementitious
terrazzo floor using a microfiber mop. Prior to coating, the surfaces were prepared as s: 1.
wet polish with TRIZACT® Diamond Disc HX Gold using a 175 rpm floor machine, 2. wet
polish with TRIZACT® Diamond Disc HX Red using a 175 rpm floor e, wet polish with
TRIZACT® d Disc HX Blue using a 175 rpm floor machine, and 4. dry burnish with
SCOTCH—BRITE® Purple Diamond Floor Pad Plus using a 2000 rpm corded bumisher. Two
coats were applied. Each coat was at a coating weight of approximately 3000 sq.ft./gal.
For comparison, two coats of commercially available SCOTCHGARD® Stone Floor
Protector were coated onto a different section of the same marble tile floor and cementitious
terrazzo floor.
After allowing the coating to dry, gloss and ctness of Image (DOI) measurements
were taken for both of the coatings on the different surfaces. For gloss testing, ASTM D523 was
—18—
followed. For Distinctness of Image (DOI) measurements, ASTM D5767 was followed.
Measurements were taken in five ent areas. The results below are the average values from
the five different locations.
—Gloss (60°) D01 (60°)
Composition with Modified Particles
SCOTCHGARD® Stone Floor Protector
This example shows that the test composition with modified particles gave a coating with
much higher gloss and D01 than did the commercially available GARDTM Stone Floor
Protector product on stone floors.
Claims (30)
1. An aqueous g composition comprising: particles comprising an inorganic core, wherein the inorganic core includes a metal oxide particle, a e on the outside of the core, an agent comprising a hydrophobic moiety adhering to the e, and an agent sing a hydrophilic moiety adhering to the e, and a film forming polymer composition comprising a polymer and water, wherein the polymer is selected from the group consisting of polyurethane, polyacrylate, polyurethanepolyacrylate , epoxide, polyacrylate-epoxide, and combinations f; wherein the particles are mixed with the polymer composition.
2. The aqueous coating composition of claim 1, the agent comprising a hydrophobic moiety comprising a silane compound.
3. The aqueous coating composition of claim 1, the agent comprising a hydrophobic moiety comprising a trialkoxy silane compound.
4. The aqueous coating composition of claim 1, the agent comprising a hydrophobic moiety comprising a nd of the formula X1-L1-R1, wherein X1 is an silane or chlorosilane group, L1 is a linking group, and R1 is a hydrophobic moiety.
5. The aqueous coating composition of claim 1, the hydrophobic moiety comprising a chain length of C2 to C40.
6. The aqueous coating composition of claim 1, the agent comprising a hydrophilic moiety comprising a silane nd.
7. The aqueous coating composition of claim 1, the agent comprising a hydrophilic moiety comprising a trialkoxy silane compound.
8. The aqueous coating composition of claim 1, the agent comprising a hydrophilic moiety comprising a compound of the formula X2-L2-R2, wherein X2 is an alkoxysilane or chlorosilane group, L2 is a linking group, and R2 is a hydrophilic moiety.
9. The aqueous coating composition of claim 1, the hydrophilic moiety selected from the group consisting of nonionic and ionic hydrophilic moieties.
10. The aqueous coating composition of claim 1, the particles having an average diameter of between about 5 nm and about 200 nm.
11. The s coating composition of claim 1, the ratio of the agent comprising a hydrophilic moiety to the agent having a hydrophobic moiety comprising from about 80:1 to about 2:1 (mole:mole).
12. The aqueous coating composition of claim 1, the agent sing a hilic moiety covering from 5 to 99.9 percent of the particle surface.
13. The aqueous coating composition of claim 1, the agent comprising a hydrophobic moiety covering from 0.1 to 10 percent of the particle surface.
14. The aqueous coating composition of claim 1, wherein the weight ratio of the polymer composition to the particles is from 0.7:1 to 8:1.
15. The aqueous coating composition of claim 1, wherein the total solids in the aqueous coating composition is from about 10 wt. % to about 50 wt. %.
16. The aqueous coating composition of claim 1, wherein the polymer composition ses the polymer dispersed within the water.
17. The aqueous coating ition of claim 1, wherein the r composition ses the polymer in solution with the water.
18. The s coating composition of claim 1, wherein the r composition comprises at least about 10% by weight of the polymer.
19. The aqueous coating composition of claim 1, further comprising a wetting agent.
20. The aqueous coating composition of claim 1, wherein the agent comprising a hydrophobic moiety is covalently bonded to the surface and the agent comprising a hydrophilic moiety is covalently bonded to the surface.
21. The aqueous coating composition of claim 1, exhibiting a coefficient of on when dried on the surface of a substrate that is greater than about 0.6.
22. The aqueous coating composition of claim 1, ting a water resistance when dried that is greater than an otherwise identical composition including only particles with an agent comprising a hydrophilic moiety ng to the surface and lacking an agent sing a hydrophobic moiety adhering to the surface.
23. A method of coating a substrate surface comprising: applying an aqueous coating composition to a substrate e, the s coating composition comprising particles, the particles comprising an inorganic core, wherein the inorganic core includes a metal oxide particle, a surface on the outside of the core, an agent comprising a hydrophobic moiety adhering to the surface, and an agent comprising a hydrophilic moiety adhering to the surface, and a film forming polymer composition comprising a polymer and water, wherein the polymer is selected from the group consisting of polyurethane, polyacrylate, polyurethane-polyacrylate, epoxide, rylate-epoxide, and combinations thereof; wherein the particles are mixed with the r composition; and drying the aqueous coating composition.
24. The method of claim 24, the ate surface comprising a material selected from the group consisting of cementitious materials and natural stone.
25. The method of claim 24, the resulting coating on the substrate surface comprising a gloss (60o – ASTM D523) of at least about 70.
26. The method of claim 24, the resulting coating on the substrate surface comprising a Distinctness of Image (60o- ASTM D5767) of at least about 86.
27. The aqueous coating composition of claim 1, wherein the particle has a diameter of between about 5 nm and about 200 nm; wherein at least about 20% of the le surface is covered by the agents sing a hydrophilic moiety and the agents comprising a hydrophobic moiety; wherein the ratio of agents comprising a hydrophilic moiety to agents having a hydrophobic moiety is from about 80:1 to about 2:1 (mole:mole).
28. A composition according to claim 1, substantially as herein bed or exemplified with nce to the accompanying drawings.
29. A method according to claim 23, substantially as herein described or ified with reference to the accompanying drawings.
30. A composition according to claim 27, substantially as herein described or exemplified with reference to the accompanying drawings.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
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US201461933143P | 2014-01-29 | 2014-01-29 | |
US61/933,143 | 2014-01-29 | ||
US201462055758P | 2014-09-26 | 2014-09-26 | |
US62/055,758 | 2014-09-26 | ||
PCT/US2015/012351 WO2015116459A1 (en) | 2014-01-29 | 2015-01-22 | Aqueous surface coating composition and modified particles |
Publications (2)
Publication Number | Publication Date |
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NZ722373A NZ722373A (en) | 2021-08-27 |
NZ722373B2 true NZ722373B2 (en) | 2021-11-30 |
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