CA3218901A1 - Stabilization of antimicrobial coatings - Google Patents
Stabilization of antimicrobial coatings Download PDFInfo
- Publication number
- CA3218901A1 CA3218901A1 CA3218901A CA3218901A CA3218901A1 CA 3218901 A1 CA3218901 A1 CA 3218901A1 CA 3218901 A CA3218901 A CA 3218901A CA 3218901 A CA3218901 A CA 3218901A CA 3218901 A1 CA3218901 A1 CA 3218901A1
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- Canada
- Prior art keywords
- coating
- composition
- coating composition
- building panel
- total weight
- Prior art date
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- RSWGJHLUYNHPMX-ONCXSQPRSA-N abietic acid Chemical compound C([C@@H]12)CC(C(C)C)=CC1=CC[C@@H]1[C@]2(C)CCC[C@@]1(C)C(O)=O RSWGJHLUYNHPMX-ONCXSQPRSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 125000002723 alicyclic group Chemical group 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 235000020224 almond Nutrition 0.000 description 1
- DTOSIQBPPRVQHS-PDBXOOCHSA-N alpha-linolenic acid Chemical compound CC\C=C/C\C=C/C\C=C/CCCCCCCC(O)=O DTOSIQBPPRVQHS-PDBXOOCHSA-N 0.000 description 1
- 235000020661 alpha-linolenic acid Nutrition 0.000 description 1
- RREGISFBPQOLTM-UHFFFAOYSA-N alumane;trihydrate Chemical compound O.O.O.[AlH3] RREGISFBPQOLTM-UHFFFAOYSA-N 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- JFCQEDHGNNZCLN-UHFFFAOYSA-N anhydrous glutaric acid Natural products OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 description 1
- 229920006318 anionic polymer Polymers 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000000843 anti-fungal effect Effects 0.000 description 1
- 229940121375 antifungal agent Drugs 0.000 description 1
- JXLHNMVSKXFWAO-UHFFFAOYSA-N azane;7-fluoro-2,1,3-benzoxadiazole-4-sulfonic acid Chemical compound N.OS(=O)(=O)C1=CC=C(F)C2=NON=C12 JXLHNMVSKXFWAO-UHFFFAOYSA-N 0.000 description 1
- 229960000686 benzalkonium chloride Drugs 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- CADWTSSKOVRVJC-UHFFFAOYSA-N benzyl(dimethyl)azanium;chloride Chemical compound [Cl-].C[NH+](C)CC1=CC=CC=C1 CADWTSSKOVRVJC-UHFFFAOYSA-N 0.000 description 1
- 239000003139 biocide Substances 0.000 description 1
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical class C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 description 1
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
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- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 229960002798 cetrimide Drugs 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000003240 coconut oil Substances 0.000 description 1
- 235000019864 coconut oil Nutrition 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 235000005687 corn oil Nutrition 0.000 description 1
- 239000002285 corn oil Substances 0.000 description 1
- 239000002385 cottonseed oil Substances 0.000 description 1
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- UNXHWFMMPAWVPI-ZXZARUISSA-N erythritol Chemical compound OC[C@H](O)[C@H](O)CO UNXHWFMMPAWVPI-ZXZARUISSA-N 0.000 description 1
- 235000019414 erythritol Nutrition 0.000 description 1
- 229940009714 erythritol Drugs 0.000 description 1
- MEGHWIAOTJPCHQ-UHFFFAOYSA-N ethenyl butanoate Chemical compound CCCC(=O)OC=C MEGHWIAOTJPCHQ-UHFFFAOYSA-N 0.000 description 1
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 235000019197 fats Nutrition 0.000 description 1
- 239000010685 fatty oil Substances 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
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- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical compound FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 1
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- 239000003365 glass fiber Substances 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- IIRDTKBZINWQAW-UHFFFAOYSA-N hexaethylene glycol Chemical compound OCCOCCOCCOCCOCCOCCO IIRDTKBZINWQAW-UHFFFAOYSA-N 0.000 description 1
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 229960004488 linolenic acid Drugs 0.000 description 1
- KQQKGWQCNNTQJW-UHFFFAOYSA-N linolenic acid Natural products CC=CCCC=CCC=CCCCCCCCC(O)=O KQQKGWQCNNTQJW-UHFFFAOYSA-N 0.000 description 1
- 239000000944 linseed oil Substances 0.000 description 1
- 235000021388 linseed oil Nutrition 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 125000001421 myristyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- RXOHFPCZGPKIRD-UHFFFAOYSA-N naphthalene-2,6-dicarboxylic acid Chemical compound C1=C(C(O)=O)C=CC2=CC(C(=O)O)=CC=C21 RXOHFPCZGPKIRD-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 235000021313 oleic acid Nutrition 0.000 description 1
- 239000003346 palm kernel oil Substances 0.000 description 1
- 235000019865 palm kernel oil Nutrition 0.000 description 1
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000000312 peanut oil Substances 0.000 description 1
- 229940086539 peg-7 glyceryl cocoate Drugs 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- JLFNLZLINWHATN-UHFFFAOYSA-N pentaethylene glycol Chemical compound OCCOCCOCCOCCOCCO JLFNLZLINWHATN-UHFFFAOYSA-N 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- ACVYVLVWPXVTIT-UHFFFAOYSA-M phosphinate Chemical compound [O-][PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-M 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920005594 polymer fiber Polymers 0.000 description 1
- 239000001816 polyoxyethylene sorbitan tristearate Substances 0.000 description 1
- 235000010988 polyoxyethylene sorbitan tristearate Nutrition 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 229950008882 polysorbate Drugs 0.000 description 1
- 229940099511 polysorbate 65 Drugs 0.000 description 1
- 229940113171 polysorbate 85 Drugs 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- PNXMTCDJUBJHQJ-UHFFFAOYSA-N propyl prop-2-enoate Chemical compound CCCOC(=O)C=C PNXMTCDJUBJHQJ-UHFFFAOYSA-N 0.000 description 1
- 239000012460 protein solution Substances 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- 235000005713 safflower oil Nutrition 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000011492 sheep wool Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- APSBXTVYXVQYAB-UHFFFAOYSA-M sodium docusate Chemical group [Na+].CCCCC(CC)COC(=O)CC(S([O-])(=O)=O)C(=O)OCC(CC)CCCC APSBXTVYXVQYAB-UHFFFAOYSA-M 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 235000012424 soybean oil Nutrition 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 229920003179 starch-based polymer Polymers 0.000 description 1
- 239000004628 starch-based polymer Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 125000005017 substituted alkenyl group Chemical group 0.000 description 1
- 125000000547 substituted alkyl group Chemical group 0.000 description 1
- 125000003107 substituted aryl group Chemical group 0.000 description 1
- 125000005346 substituted cycloalkyl group Chemical group 0.000 description 1
- 229940014800 succinic anhydride Drugs 0.000 description 1
- 239000002600 sunflower oil Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 239000003784 tall oil Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- AUHHYELHRWCWEZ-UHFFFAOYSA-N tetrachlorophthalic anhydride Chemical compound ClC1=C(Cl)C(Cl)=C2C(=O)OC(=O)C2=C1Cl AUHHYELHRWCWEZ-UHFFFAOYSA-N 0.000 description 1
- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 1
- UWHCKJMYHZGTIT-UHFFFAOYSA-N tetraethylene glycol Chemical compound OCCOCCOCCOCCO UWHCKJMYHZGTIT-UHFFFAOYSA-N 0.000 description 1
- YODZTKMDCQEPHD-UHFFFAOYSA-N thiodiglycol Chemical compound OCCSCCO YODZTKMDCQEPHD-UHFFFAOYSA-N 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- SRPWOOOHEPICQU-UHFFFAOYSA-N trimellitic anhydride Chemical compound OC(=O)C1=CC=C2C(=O)OC(=O)C2=C1 SRPWOOOHEPICQU-UHFFFAOYSA-N 0.000 description 1
- QXJQHYBHAIHNGG-UHFFFAOYSA-N trimethylolethane Chemical compound OCC(C)(CO)CO QXJQHYBHAIHNGG-UHFFFAOYSA-N 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 239000008170 walnut oil Substances 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 239000010456 wollastonite Substances 0.000 description 1
- 229910052882 wollastonite Inorganic materials 0.000 description 1
- 239000002025 wood fiber Substances 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
- 229960001763 zinc sulfate Drugs 0.000 description 1
- 229910000368 zinc sulfate Inorganic materials 0.000 description 1
Classifications
-
- 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
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
-
- 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
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0058—Biocides
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/17—Amines; Quaternary ammonium compounds
- C08K5/19—Quaternary ammonium compounds
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
- E04C2/20—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of plastics
- E04C2/22—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of plastics reinforced
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Plant Pathology (AREA)
- Inorganic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Laminated Bodies (AREA)
- Paints Or Removers (AREA)
Abstract
Described herein is a coated building panel comprising: a substrate comprising a first major surface opposite a second major surface; a coating atop at least one of the first major surface or the second major surface, the coating comprising: a binder composition; an antimicrobial composition comprising a cationic compound; a stabilization composition comprising: a silicate compound; and a surfactant having an HLB value between about 10 and about 14.
Description
STABILIZATION OF ANTIMICROBIAL COATINGS
CROSS-REFERENCE TO RELATED APPLICATIONS
[0001] This application is a PCT International Application of United States Provisional Patent Application No. 63/188,582 filed on May 14, 2021. The disclosure of the above application is incorporated herein by reference.
BACKGROUND
CROSS-REFERENCE TO RELATED APPLICATIONS
[0001] This application is a PCT International Application of United States Provisional Patent Application No. 63/188,582 filed on May 14, 2021. The disclosure of the above application is incorporated herein by reference.
BACKGROUND
[0002] The presence of bacteria, fungus, and/or viruses on surfaces is a major concern today affecting home, work, and recreational environments. Exposure to certain bacteria, fungi (or their spores), and/or viruses can seriously impact the health of humans, pets and other animals.
Previous attempts at imparting protective properties to a building panel included applying an antibacterial and/or antifungal coating to a surface of a building material.
However, such antimicrobial coatings may have been formulated at the expense of coating performance ¨ such as uniformity, agglomeration, storage stability ¨ thus, the need exists for a coating that can exhibit adequate protective performance without sacrificing necessary coating performance.
BRIEF SUMMARY
Previous attempts at imparting protective properties to a building panel included applying an antibacterial and/or antifungal coating to a surface of a building material.
However, such antimicrobial coatings may have been formulated at the expense of coating performance ¨ such as uniformity, agglomeration, storage stability ¨ thus, the need exists for a coating that can exhibit adequate protective performance without sacrificing necessary coating performance.
BRIEF SUMMARY
[0003] Described herein is a coated building panel comprising: a substrate comprising a first major surface opposite a second major surface; a coating atop at least one of the first major surface or the second major surface, the coating comprising: a binder composition; an antimicrobial composition comprising a cationic compound; a stabilization composition comprising: a silicate compound; and a surfactant having an HLB value between about 10 and about 14.
[0004] Other embodiments of the present invention include a coating composition comprising: a liquid carrier; a solid blend comprising: a binder composition; an antimicrobial composition comprising a cationic compound; a stabilization composition comprising: a silicate compound;
and a surfactant having an HLB value between about 10 and about 14.
and a surfactant having an HLB value between about 10 and about 14.
[0005] Other embodiments of the present invention include a method of forming a coated building panel comprising a) applying the coating composition according to the aforementioned coating composition to a substrate; and b) drying the coating composition so that substantially all liquid carrier is removed to form the coated building panel.
[0006] Further areas of applicability of the present invention will become apparent from the detailed description provided hereinafter. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
BRIEF DESCRIPTION OF THE DRAWINGS
BRIEF DESCRIPTION OF THE DRAWINGS
[0007] The present invention will become more fully understood from the detailed description and the accompanying drawings, wherein:
[0008] FIG. 1 is top perspective view of a building panel according to the present invention;
[0009] FIG. 2 is a cross-sectional view of the building panel according to the present invention, the cross-sectional view being along the II line set forth in FIG. 1; and
[0010] FIG. 3 is a ceiling system comprising the building panel of the present invention.
DETAILED DESCRIPTION
DETAILED DESCRIPTION
[0011] The following description of the preferred embodiment(s) is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses.
[0012] As used throughout, ranges are used as shorthand for describing each and every value that is within the range. Any value within the range can be selected as the terminus of the range.
In addition, all references cited herein are hereby incorporated by referenced in their entireties.
In the event of a conflict in a definition in the present disclosure and that of a cited reference, the present disclosure controls.
In addition, all references cited herein are hereby incorporated by referenced in their entireties.
In the event of a conflict in a definition in the present disclosure and that of a cited reference, the present disclosure controls.
[0013] Unless otherwise specified, all percentages and amounts expressed herein and elsewhere in the specification should be understood to refer to percentages by weight.
The amounts given are based on the active weight of the material.
The amounts given are based on the active weight of the material.
[0014] The description of illustrative embodiments according to principles of the present invention is intended to be read in connection with the accompanying drawings, which arc to be considered part of the entire written description. In the description of embodiments of the invention disclosed herein, any reference to direction or orientation is merely intended for convenience of description and is not intended in any way to limit the scope of the present invention. Relative terms such as "lower," "upper," "horizontal," "vertical,"
"above," "below,"
"up," "down," "top," and "bottom" as well as derivatives thereof (e.g..
"horizontally,"
"downwardly," "upwardly." etc.) should be construed to refer to the orientation as then described or as shown in the drawing under discussion. These relative terms are for convenience of description only and do not require that the apparatus be constructed or operated in a particular orientation unless explicitly indicated as such.
"above," "below,"
"up," "down," "top," and "bottom" as well as derivatives thereof (e.g..
"horizontally,"
"downwardly," "upwardly." etc.) should be construed to refer to the orientation as then described or as shown in the drawing under discussion. These relative terms are for convenience of description only and do not require that the apparatus be constructed or operated in a particular orientation unless explicitly indicated as such.
[0015] Terms such as -attached," -affixed," -connected," -coupled," -interconnected," and similar refer to a relationship wherein structures are secured or attached to one another either directly or indirectly through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise. Moreover, the features and benefits of the invention are illustrated by reference to the exemplified embodiments.
Accordingly, the invention expressly should not be limited to such exemplary embodiments illustrating some possible non-limiting combination of features that may exist alone or in other combinations of features; the scope of the invention being defined by the claims appended hereto.
Accordingly, the invention expressly should not be limited to such exemplary embodiments illustrating some possible non-limiting combination of features that may exist alone or in other combinations of features; the scope of the invention being defined by the claims appended hereto.
[0016] Unless otherwise specified, all percentages and amounts expressed herein and elsewhere in the specification should be understood to refer to percentages by weight.
The amounts given are based on the active weight of the material. According to the present application, the term "about" means +1- 5% of the reference value. According to the present application, the term "substantially free" less than about 0.1 wt. % based on the total of the referenced value.
The amounts given are based on the active weight of the material. According to the present application, the term "about" means +1- 5% of the reference value. According to the present application, the term "substantially free" less than about 0.1 wt. % based on the total of the referenced value.
[0017] Referring to FIG. 1, the present invention includes a building panel 10 comprising a first major exposed surface 11 opposite a second major exposed surface 12 and a side exposed surface 13 that extends between the first major exposed surface 11 and the second major exposed surface 12, thereby defining a perimeter of the ceiling panel 10.
[0018] Referring to FIG. 3, the present invention may further include a ceiling system 1 comprising one or more of the building panels 10 installed in an interior space, whereby the interior space comprises a plenum space 3 and an active room environment 2. In such embodiments, the building panel 10 may be referenced as a ceiling panel 10.
The plenum space 3 provides space for mechanical lines within a building (e.g., HVAC, plumbing, etc.). The active space 2 provides room for the building occupants during normal intended use of the building (e.g., in an office building, the active space would be occupied by offices containing computers, lamps, etc.).
The plenum space 3 provides space for mechanical lines within a building (e.g., HVAC, plumbing, etc.). The active space 2 provides room for the building occupants during normal intended use of the building (e.g., in an office building, the active space would be occupied by offices containing computers, lamps, etc.).
[0019] In the installed state, the building panels 10 may be supported in the interior space by one or more parallel support struts 5. Each of the support struts 5 may comprise an inverted T-bar having a horizontal flange 31 and a vertical web 32. The ceiling system 1 may further comprise a plurality of first struts that are substantially parallel to each other and a plurality of second struts that are substantially perpendicular to the first struts (not pictured). In some embodiments, the plurality of second struts intersects the plurality of first struts to create an intersecting ceiling support grid. The plenum space 3 exists above the ceiling support grid 6 and the active room environment 2 exists below the ceiling support grid 6. In the installed state, the first major exposed surface 11 of the building panel 10 may face the active room environment 2 and the second major exposed surface 12 of the building panel 10 may face the plenum space 3. .
[0020] Referring now to FIGS. 1 and 2, the building panel 10 of the present invention may have a panel thickness to as measured from the first major exposed surface 11 to the second major exposed surface 12. The panel thickness to may range from about 12 mm to about 40 mm ¨
including all values and sub-ranges there-between. The building panel 10 may have a length Lp ranging from about 30 cm to about 310 cm ¨ including all values and sub-ranges there-between.
The building panel 100 may have a width Wp ranging from about 10 cm to about 125 cm ¨
including all values and sub-ranges there-between.
including all values and sub-ranges there-between. The building panel 10 may have a length Lp ranging from about 30 cm to about 310 cm ¨ including all values and sub-ranges there-between.
The building panel 100 may have a width Wp ranging from about 10 cm to about 125 cm ¨
including all values and sub-ranges there-between.
[0021] The building panel 10 may comprise a body 100 and a surface coating 200 applied thereto ¨ as discussed further herein. The body 100 comprises an upper surface 111 opposite a lower surface 112 and a body side surface 113 that extends between the upper surface 111 and the lower surface 112, thereby defining a perimeter of the body 100. The body 100 may have a body thickness ti that as measured by the distance between the upper surface 111 to the lower surface 112 of the body 100. The body thickness ti may range from about 12 mm to about 40 mm ¨ including all values and sub-ranges there-between.
[0022] The body 100 may be porous, thereby allowing airflow through the body 100 between the upper surface 111 and the lower surface 122 ¨ as discussed further herein. The body 100 may be comprised of a binder and fibers. In some embodiments, the body 100 may further comprise a filler and/or additive.
[0023] Non-limiting examples of binder may include a starch-based polymer, polyvinyl alcohol (PVOH), a latex, polysaccharide polymers, cellulosic polymers, protein solution polymers, an acrylic polymer, polymaleic anhydride, epoxy resins, or a combination of two or more thereof.
Non-limiting examples of filler may include powders of calcium carbonate, limestone, titanium dioxide, sand, barium sulfate, clay, mica, dolomite, silica, talc, perlite, polymers, gypsum, wollastonite, expanded-perlite, calcite, aluminum trihydrate, pigments, zinc oxide, or zinc sulfate.
Non-limiting examples of filler may include powders of calcium carbonate, limestone, titanium dioxide, sand, barium sulfate, clay, mica, dolomite, silica, talc, perlite, polymers, gypsum, wollastonite, expanded-perlite, calcite, aluminum trihydrate, pigments, zinc oxide, or zinc sulfate.
[0024] The fibers may be organic fibers, inorganic fibers, or a blend thereof.
Non-limiting examples of inorganic fibers mineral wool (also referred to as slag wool), rock wool, stone wool, and glass fibers. Non-limiting examples of organic fiber include fiberglass, cellulosic fibers (e.g.
paper fiber ¨ such as newspaper, hemp fiber, jute fiber, flax fiber, wood fiber, or other natural fibers), polymer fibers (including polyester, polyethylene, aramid ¨ i.e., aromatic polyamide, and/or polypropylene), protein fibers (e.g., sheep wool), and combinations thereof.
Non-limiting examples of inorganic fibers mineral wool (also referred to as slag wool), rock wool, stone wool, and glass fibers. Non-limiting examples of organic fiber include fiberglass, cellulosic fibers (e.g.
paper fiber ¨ such as newspaper, hemp fiber, jute fiber, flax fiber, wood fiber, or other natural fibers), polymer fibers (including polyester, polyethylene, aramid ¨ i.e., aromatic polyamide, and/or polypropylene), protein fibers (e.g., sheep wool), and combinations thereof.
[0025] The porosity of the body 100 may allow for airflow through the body 100 under atmospheric conditions such that the building panel 10 may function as an acoustic building panel ¨ specifically, an acoustic ceiling panel 10, which requires properties related to noise reduction and sound attenuation properties ¨ as discussed further herein.
[0026] Specifically, the body 100 of the present invention may have a porosity ranging from about 60% to about 98% - including all values and sub-ranges there between. In a preferred embodiment, the body 100 has a porosity ranging from about 75% to 95% -including all values and sub-ranges there between. According to the present invention, porosity refers to the following:
% Porosity = [VTotal (VBinder VF VFiller)] VTotal
% Porosity = [VTotal (VBinder VF VFiller)] VTotal
[0027] Where VTotai refers to the total volume of the body 100 defined by the upper surface 111, the lower surface 112, and the body side surfaces 113. VBillder refers to the total volume occupied by the binder in the body 100. VF refers to the total volume occupied by the fibers in the body 100. VIllter refers to the total volume occupied by the filler in the body 100. Viit, refers to the total volume occupied by the hydrophobic component in the body 100. Thus, the % porosity represents the amount of free volume within the body 100.
[0028] The building panel 10 of the present invention comprising the body 100 may exhibit sufficient airflow for the building panel 10 to have the ability to reduce the amount of reflected sound in a room. The reduction in amount of reflected sound in a room is expressed by a Noise Reduction Coefficient (NRC) rating as described in American Society for Testing and Materials (ASTM) test method C423. This rating is the average of sound absorption coefficients at four 1/3 octave bands (250, 500, 1000, and 2000 Hz), where, for example, a system having an NRC of 0.90 has about 90% of the absorbing ability of an ideal absorber. A higher NRC
value indicates that the material provides better sound absorption and reduced sound reflection.
value indicates that the material provides better sound absorption and reduced sound reflection.
[0029] The building panel 10 of the present invention exhibits an NRC of at least about 0.5. In a preferred embodiment, the building panel 10 of the present invention may have an NRC ranging from about 0.60 to about 0.99 ¨ including all value and sub-ranges there-between.
[0030] The surface coating 200 of the present invention may be applied to at least one of the upper surface 111 and/or the body side surface 113 of the body 100. In some embodiments, the surface coating 200 of the present invention may he applied directly to at least one of the upper surface 111 and/or the body side surface 113 of the body 100. Although not pictured, in some embodiments, the building panel 10 may further comprise a scrim that is immediately adjacent to the upper surface 111 of the body 100. The scrim may comprise a first major surface opposite a second major surface, whereby the second major surface contacts the upper surface 111 of the body 100. In such embodiments, the surface coating 200 may be applied to the first major surface of the scrim.
[0031] he surface coating 200 may comprise an outer surface 201 opposite an inner surface 202.
The inner surface 202 of the surface coating 200 faces toward the body 100 while the outer surface 201 of the surface coating 200 faces away from the body 100. The surface coating 200 may comprise a topcoat 210. The topcoat 21.() may comprise an outer surface 211 opposite an inner surface 212. The topcoat 210 may have a topcoat thickness t3 as measured between the inner surface 212 and the outer surface 211 of the topcoat 210.
The inner surface 202 of the surface coating 200 faces toward the body 100 while the outer surface 201 of the surface coating 200 faces away from the body 100. The surface coating 200 may comprise a topcoat 210. The topcoat 21.() may comprise an outer surface 211 opposite an inner surface 212. The topcoat 210 may have a topcoat thickness t3 as measured between the inner surface 212 and the outer surface 211 of the topcoat 210.
[0032] The topcoat 210 may be applied to the upper surface 111 of the body 100 or the first major surface of the scrim_ Once applied, the inner surface 212 of the topcoat 210 faces the upper surface 111 of the body 100 or the first major surface of the scrim, and the outer surface 211 of the topcoat 210 forms the first major exposed surface 11 of the building panel 10. Stated otherwise, the first major exposed surface 11 of the building panel 10 may comprises the outer surface 211 of the topcoat 210.
[0033] The surface coating 200 may comprise an edge-coat 230. The edge-coat 230 may comprise an outer surface 231 opposite an inner surface 232. The edge-coat 230 may be applied to the body side surface 113 of the body 100. Once applied, the inner surface 232 of the edge-coat 230 faces the body side surface 113 of the body 100 and the outer surface 231. of the edge-coat 230 forms the side exposed surface 13 of the building panel 10. Stated otherwise, the side exposed surface 13 of the building panel 10 may comprise the outer surface 231 of the edge-coat 230.
[0034] Although the building panel 10 shown in FIGS. 1 and 2 include both the topcoat 210 and the edge-coat 230, the present invention is not limited to surface coatings 200 that include both the topcoat 210 and the edge-coat 230. In some embodiments, the building panel 10 may comprise a surface coating 200 that includes only the topcoat 210 ¨ whereby the side exposed surface 13 of the building panel 10 is formed by the body side surface 113 of the body 100. In other embodiments, the building panel 10 may comprise a surface coating 200 that includes only the edge-coat 230 ¨ whereby first major exposed surface 11 of the building panel 10 is formed by either the upper surface 111 of the body 100, the first major surface of the scrim, or a coating applied thereto that is different from the surface coating 200 of the present invention.
[0035] The surface coating 200 is formed from a coating composition that may comprise a binder composition, an antimicrobial composition, and a stabilization composition. The surface coating may further comprise a pigment composition. The coating composition may further comprise one or more additives. The coating may be pigmented or non-pigmented ¨ whereby non-pigmented coatings may be referred to as "clear coat" or "clear coating."
[0036] The surface coating 200 is present in a dry-state. According to the present invention, the phrase "dry-state" refers to the coating composition being substantially free of a liquid carrier (e.g., liquid water). Thus, the surface coating 200, which is in the dry-state, may comprise the binder composition, antimicrobial composition, the stabilization composition, and additives while having less than about 0.1 wt. % of liquid carrier based on the total weight of the surface coating 200. In a preferred embodiment, the surface coating 200 in the dry-state has a solid's content of about 100 wt. % based on the total weight of the surface coating 200.
[0037] Conversely, the coating composition may be applied to either the body 100 or a scrim in a "wet-state," which refers to the coating composition containing various amounts of liquid carrier ¨ as discussed further herein. Therefore, in the wet-state, the coating composition may comprise at least the binder composition, the antimicrobial composition, the stabilization composition. In some embodiments, the coating composition in the wet-state may further comprise the additives. The liquid carrier may be selected from water, VOC
solvent ¨ such as acetone, toluene, methyl acetate ¨ or combinations thereof. In a preferred embodiment, the liquid carrier is water and comprises less than 1 wt. % of VOC solvent based on the total weight of the liquid carrier.
solvent ¨ such as acetone, toluene, methyl acetate ¨ or combinations thereof. In a preferred embodiment, the liquid carrier is water and comprises less than 1 wt. % of VOC solvent based on the total weight of the liquid carrier.
[0038] In the wet-state, the coating composition may generally have a solids content ranging from about 5 wt. % to about 80 wt. % ¨ including all percentages and sub-ranges there-between,
[0039] The solid's content is calculated as the fraction of materials present in the coating composition that is not the liquid carrier. Specifically, the solid's content of the coating composition in the wet-state may be calculated as the total amount of the coating composition in the dry-state (i.e., the amount of the binder composition, the antimicrobial composition, and the stabilization composition) and dividing it by the total weight of the coating composition in the wet-state, including liquid carrier.
[0040] According to the embodiments where the coating composition forms a clear coating (i.e., no pigment), the coating composition in the wet-state may have a solids content ranging from about 19 wt. % to about 35 wt. % -- including all percentages and sub--ranges there-between, According to the embodiments where the coating composition forms a topcoat 2.10, the coating composition in the wet-state may have a solids content ranging from about 50 wt. % to about 75 wt. % ¨ including all amounts and sub-ranges there-between. The topcoat 210 may comprise a pigment. According to the embodiments where the coating composition forms an edge-coat 230, the coating composition in the wet-state may have a solids content ranging from about 65 wt. %
to about 85 wt. % including all amounts and sub-ranges there-between.
to about 85 wt. % including all amounts and sub-ranges there-between.
[0041] The coating composition may comprise the binder composition in an amount ranging from about 4.0 wt. % to about 85.0 wt. % ¨ based on the total weight of coating composition in the dry-state ¨ i.e., as the surface coating 200 ¨ including all weight percentages and sub-ranges there-between.
[0042] According to the embodiments where the coating composition forms a clear coating (i.e., no pigment), the coating composition may comprise the binder composition in an amount ranging from about 65 wt. % to about 88 wt. %
based on the total weight of coating composition in the dry-state ¨ i.e., as the surface coating 200 ¨ including all weight percentages and sub-ranges there-between. According to the embodiments where the coating composition forms a pigmented coating topcoat 210, the coating composition may comprise the binder composition in an amount ranging from about 8 wt. % to about 18 wt. % ¨ based on the total weight of coating composition in the dry-state ¨ i.e., as the surface coating 200 ¨ including all weight percentages and sub-ranges there-between. According to the embodiments where the coating composition forms a pigmented edge-coat 230, the coating composition may comprise the binder composition in an amount ranging from about 10 wt. % to about 20 wt. % --- based on the total weight of coating composition in the dry-state ¨ i.e., as the surface coating 200 ¨
including all weight percentages and sub-ranges there-between.
based on the total weight of coating composition in the dry-state ¨ i.e., as the surface coating 200 ¨ including all weight percentages and sub-ranges there-between. According to the embodiments where the coating composition forms a pigmented coating topcoat 210, the coating composition may comprise the binder composition in an amount ranging from about 8 wt. % to about 18 wt. % ¨ based on the total weight of coating composition in the dry-state ¨ i.e., as the surface coating 200 ¨ including all weight percentages and sub-ranges there-between. According to the embodiments where the coating composition forms a pigmented edge-coat 230, the coating composition may comprise the binder composition in an amount ranging from about 10 wt. % to about 20 wt. % --- based on the total weight of coating composition in the dry-state ¨ i.e., as the surface coating 200 ¨
including all weight percentages and sub-ranges there-between.
[0043] The binder composition may comprise a blend of one or more polymers.
The polymers may be ionic. The polymers may be anionic. The polymers may exhibit a pH
ranging from about 5.0 to about 9.0 ¨ including all pH values and sub-ranges there-between.
The polymers may be ionic. The polymers may be anionic. The polymers may exhibit a pH
ranging from about 5.0 to about 9.0 ¨ including all pH values and sub-ranges there-between.
[0044] The polymeric binder may be one or more of a polyurethane, an acrylic polymer, an alkyd emulsion, and blends thereof.
[0045] Non-limiting examples of acrylic polymer, polymaleic anhydride, or a combination of two or more thereof. Non-limiting examples of polymeric binder may include a homopolymer or copolymer formed from the following monomers: vinyl acetate (i.e., polyvinyl acetate), vinyl propinoate, vinyl butyrate, ethylene, vinyl chloride, vinylidene chloride, vinyl fluoride, vinylidene fluoride, ethyl acrylate, methyl acrylate, propyl acrylate, butyl acrylate, ethyl methacrylate, methyl methacrylate, butyl methacrylate, hydroxyethyl methacrylate, hydroxyethyl acrylate, styrene, butadiene, urethane, epoxy, melamine, and an ester. The polymeric binder may include one or more of aqueous lattices of polyvinyl acetate, polyvinyl acrylic, polyurethane, polyurethane acrylic, polystyrene acrylic, epoxy, polyethylene vinyl chloride, polyvinylidene chloride, and polyvinyl chloride.
[0046] In a non-liming embodiment, the binder may be a polymeric composition that is formed by curing an alkyd resin (also referred to as an alkyd emulsion). Non-limiting examples of alkyd emulsion include polyester resins which include residues of polybasic, usually di-basic, acid(s) and polyhydroxy, usually tri- or higher hydroxy alcohols and further including monobasic fatty acid residues. The monobasic residues may be derived (directly or indirectly) from oils (fatty acid triglycerides) and alkyd resins are also referred to as oil modified polyester resins.
[0047] The alkyd resins may be cured from residual carboxyl and hydroxyl functionality or by unsaturation (often multiple unsaturation) in the monobasic fatty acid residues. Alkyd resins may include other residues and/or additives to provide specific functionality for the intended end use e.g. sources of additional carboxyl groups may be included to improve water compatibility.
One or more catalyst may be blended with an alkyd resin to help accelerate curing.
One or more catalyst may be blended with an alkyd resin to help accelerate curing.
[0048] Alkyd resins may be prepared by reacting a monobasic fatty acid, fatty ester or naturally occurring, partially saponified oil with a glycol or polyol and/or a polycarboxylic acid.
[0049] Non-limiting examples of monobasic fatty acid, fatty ester or naturally occuiTing-partially saponified oil may be prepared by reacting a fatty acid or oil with a polyol. Examples of suitable oils include sunflower oil, canola oil, dehydrated castor oil, coconut oil, corn oil, cottonseed oil, fish oil, linseed oil, oiticica oil, soya oil, and lung oil, animal grease, castor oil, lard, palm kernel oil, peanut oil, perilla oil, safflower, tallow oil, walnut oil. Suitable examples of the fatty acid components of oil or fatty acids by themselves are selected from the following oil derived fatty acids; tallow acid, linoleic acid, linolenic acid, oleic acid, soya acid, myristic acid, linseed acid, crotonic acid, versatic acid, coconut acid, tall oil fatty acid, rosin acid, neodecanoic, neopcntanoic, isostcaric, 12-hydroxystearic, cottonseed acid with linolcic, linolcnic and oleic being more preferred
[0050] Non-limiting examples of suitable glycol or polyol include aliphatic, alicyclic, and aryl alkyl glycols. Suitable examples of glycols include: ethylene glycol;
propylene glycol; diethylene glycol; triethylene glycol; tetraethylene glycol; pentaethylene glycol;
hexaethylene glycol;
heptaethylene glycol; octacthylenc glycol; nonacthylenc glycol; decaethylene glycol; 1,3-prop anediol ; 2,4-dimethy1-2-ethyl-hexane-1,3-diol; 2,2-dimethy1-1,2-propanediol; 2-ethyl-2-butyl- 1,3-prop anediol ; 2-ethyl-2-i s obutyl- 1,3 -prop anediol ; 1,3-butanediol; 1,4-butanediol; 1,5-pentanediol ; 1,6-hexanediol; 2,2,4-tetramethy1-1,6-hexanediol;
thiodiethanol; 1,2-cyclohexanedimethanol; 1,3 -cyclohex anedimethanol ;
1 .4-cyclohex anedimethanol ; 2 ,2,4-trimethyl-1,3 -p entanediol ; 2,2,4-tetra methy1-1,3-cy clobutanediol ; p-xylenediol hydroxypiv a ly1 hydroxypivalate; 1.10-decanediol; hydrogenated bisphenol A;
trimethylolpropane;
trimethylolethane; pentaerythritol; erythritol; threitol; dipentaerythritol;
sorbitol; glycerine;
trimellitic anhydride; pyromellitic dianhydride; dimethylolpropicnic acid and the like.
propylene glycol; diethylene glycol; triethylene glycol; tetraethylene glycol; pentaethylene glycol;
hexaethylene glycol;
heptaethylene glycol; octacthylenc glycol; nonacthylenc glycol; decaethylene glycol; 1,3-prop anediol ; 2,4-dimethy1-2-ethyl-hexane-1,3-diol; 2,2-dimethy1-1,2-propanediol; 2-ethyl-2-butyl- 1,3-prop anediol ; 2-ethyl-2-i s obutyl- 1,3 -prop anediol ; 1,3-butanediol; 1,4-butanediol; 1,5-pentanediol ; 1,6-hexanediol; 2,2,4-tetramethy1-1,6-hexanediol;
thiodiethanol; 1,2-cyclohexanedimethanol; 1,3 -cyclohex anedimethanol ;
1 .4-cyclohex anedimethanol ; 2 ,2,4-trimethyl-1,3 -p entanediol ; 2,2,4-tetra methy1-1,3-cy clobutanediol ; p-xylenediol hydroxypiv a ly1 hydroxypivalate; 1.10-decanediol; hydrogenated bisphenol A;
trimethylolpropane;
trimethylolethane; pentaerythritol; erythritol; threitol; dipentaerythritol;
sorbitol; glycerine;
trimellitic anhydride; pyromellitic dianhydride; dimethylolpropicnic acid and the like.
[0051] Non-limiting examples of polycarboxylic acid include isophthalic acid, terephthalic acid, phthalic anhydride(acid), adipic acid, tetrachlorophthalic anhydride, dodecanedioic acid, sebacic acid, azclaic acid, 1,4-cyclohcxancdicarboxylic acid, 1,3-cyclohcxanedicarboxylic acid, malcic anhydride, fumaric acid, succinic anhydride(acid), 2,6-naphthalenedicarboxylic acid, glutaric acid and esters thereof.
[0052] The coating composition may comprise the antimicrobial composition in an amount ranging from about 0.1 wt. % to about 10.0 wt. % - based on the total weight of coating composition in the dry-state ¨ i.e., the surface coating 200 ¨ including all weight percentages and sub-ranges there-between. According to the embodiments where the coating composition forms a clear coat, the coating composition may comprise the antimicrobial composition in an amount ranging from about 3.0 wt. % to about 10.0 wt. % - based on the total weight of coating composition in the dry-state ¨ i.e., the surface coating 200 ¨ including all weight percentages and sub-ranges there-between. According to the embodiments where the coating composition forms a pigmented top coat 210, the coating composition may comprise the antimicrobial composition in an amount ranging from about 0.1 wt. % to about 0.5 wt. % - based on the total weight of coating composition in the dry-state ¨ i.e., the surface coating 200 ¨
including all weight percentages and sub-ranges there-between. According to the embodiments where the coating composition forms an edge coat 230, the coating composition may comprise the antimicrobial composition in an amount ranging from about 0.3 wt. % to about 1.0 wt. % -based on the total weight of coating composition in the dry-state ¨ i.e., the surface coating 200 ¨ including all weight percentages and sub-ranges there-between.
including all weight percentages and sub-ranges there-between. According to the embodiments where the coating composition forms an edge coat 230, the coating composition may comprise the antimicrobial composition in an amount ranging from about 0.3 wt. % to about 1.0 wt. % -based on the total weight of coating composition in the dry-state ¨ i.e., the surface coating 200 ¨ including all weight percentages and sub-ranges there-between.
[0053] The antimicrobial composition may comprise one or more cationic compounds. The cationic compound may be a quaternary ammonium compound. The quaternary ammonium compound may have the following structure:
R
N +,
R
N +,
[0054] The groups R. R2, R3 and l;t4can vary within wide iirnits and examples of quaternary ammonium compounds that have anti-microbial properties will he well known to the person of ordinary skill in the art.
[0055] Each group 1.{1, R2, 1?,; and R4. may, for example, independently he a substituted or unsubstituted and/or straight chain or branched and/or interrupted or uninterrupted alkyl, aryl, alkylaryl, aryl alkyl, cycle alkyl, (aromatic or non-aromatic) heterocycly1 or alkenyl group.
Alternatively, two or more of R1, RI, R3 and Ri.may together with the nitrogen atom form a substituted or unsubstituted heterocyclic ring. The total number of carbon atoms in the groups R;,, kJ and Ri must be at least 4. Typically the sum of the carbon atoms in the groups R1.
R3 and R4 is 10 or more. In a preferred aspect of the invention at least one of the groups RI, R2, R3 and R4 contains from 8 to 18 carbon atoms, For example, 1, 2, 3 or 4 of RI, R2, R3 and R4 can contain from 8 to 18 carbon atoms or 10 to 16 carbon atoms.
Alternatively, two or more of R1, RI, R3 and Ri.may together with the nitrogen atom form a substituted or unsubstituted heterocyclic ring. The total number of carbon atoms in the groups R;,, kJ and Ri must be at least 4. Typically the sum of the carbon atoms in the groups R1.
R3 and R4 is 10 or more. In a preferred aspect of the invention at least one of the groups RI, R2, R3 and R4 contains from 8 to 18 carbon atoms, For example, 1, 2, 3 or 4 of RI, R2, R3 and R4 can contain from 8 to 18 carbon atoms or 10 to 16 carbon atoms.
[0056] Suitable substituents for the groups R1, R2. R3 and R.4 may be selected from the group consisting of alkyl, substituted alkyl, aikenyl, substituted alkenyl, heterocyelyi, substituted beterocyclyl, cycloalkyl, substituted cycloalkyl, aryl, substituted aryl, alkylaryl, substituted alkylaryl, arylalkyl, substituted arylalkyl, F, CI, Br, 1, .. OR, .. NR'R", ...... CF3, CN, NO2, C1R.', ---------- SR', ---- C(=0)NR.R", ------------- NR.`C(,))R", OCA=0)Rr, ---------- 0(CP. "R"),C1,---..--0)R ?õ ........ 0(C R "),NR
"C(=0)R. --- ("f RR),NR "S 02R
OC(=0)NR'R", __________ NR'C'.(=0)0R", __ SO2R`, __________ SO2NR`R", and _________ NR'S 02R", where R and R"
are individually hydrogen, CI-Cs alkyl, cycloalkyl. heteroeyely1õ aryl, or arylalkyl, and r is an integer from I_ to 6, or R' and R" together form a cyclic functionality, wherein the term "substituted" as applied to alkyl, alkenyl, hete,rocyclyi, cycloalkyl, aryl, alkylaryl and arylalkyi refers to the substituents described above, starting with F and ending with NR'S07.R.".
"C(=0)R. --- ("f RR),NR "S 02R
OC(=0)NR'R", __________ NR'C'.(=0)0R", __ SO2R`, __________ SO2NR`R", and _________ NR'S 02R", where R and R"
are individually hydrogen, CI-Cs alkyl, cycloalkyl. heteroeyely1õ aryl, or arylalkyl, and r is an integer from I_ to 6, or R' and R" together form a cyclic functionality, wherein the term "substituted" as applied to alkyl, alkenyl, hete,rocyclyi, cycloalkyl, aryl, alkylaryl and arylalkyi refers to the substituents described above, starting with F and ending with NR'S07.R.".
[0057] When one or more of RI, R2, R3 and R4is interrupted, suitable interrupting groups include hut are not limited to hetematoms such as oxygen, nitrogen, sulphur, and phosphorus-containing moieties (e.g. phosphinate). A preferred interrupting group is oxygen.
[0058] Suitable anions for the gnats include but are not limited to halide anions such as the chloride, fluoride, bromide or iodide and the non halide suluhonate,
[0059] In some embodiments, the quaternary ammonium compound may be those having the formula:
(CII3)fi(A),,,N+X-
(CII3)fi(A),,,N+X-
[0060] wherein A may be as defined above in relation to 1-,11, R. R1 and R. X-is selected from chloride, fluoride, bromide or iodide and sulphonate (preferably chloride or bromide), n is from 1 to 3 (preferably 2 or 3) and mis from 1 to 3 (preferably I or 2) provided that the sum of n and M.
is 4, Preferably, A is a C&20 (e.g. Cs-I8, i.e. having 8,9. 10, 11, 12, 13,1.4. 15, 16, 17 or 18 carbon atoms or C8_12) substituted or unsubstituted and/or straight chain or branched and/or interrupted or uninterrupted alkyl, aryl, alkylaryl, arylalkyl or cycloalkyl group (wherein suitable substituents are as defined above in relation to RI, R2, R3 and R4). Each group A may be the same or different.
is 4, Preferably, A is a C&20 (e.g. Cs-I8, i.e. having 8,9. 10, 11, 12, 13,1.4. 15, 16, 17 or 18 carbon atoms or C8_12) substituted or unsubstituted and/or straight chain or branched and/or interrupted or uninterrupted alkyl, aryl, alkylaryl, arylalkyl or cycloalkyl group (wherein suitable substituents are as defined above in relation to RI, R2, R3 and R4). Each group A may be the same or different.
[0061] In some embodiments, the quaternary ammonium compound may be of the formula (013),(A),,,N+X- are those wherein st..,,3 and m=1, In such compounds A may be as defined above and is preferably a C6.10 substituted or unsubstituted and/or straight chain or branched and/or interrupted or uninterrupted alkyl., aryl, or alkylaryl. group.
Examples of this type of quaternary ammonium compound include Cetrimide (which is predominately trimethyltetradecylanimoniUM bromide), dod.ecyhrimethylaannordum bromide, trimethy itetradec yl ammonium bromide, hex adecy I trimetli y i ammonium bromide.
Examples of this type of quaternary ammonium compound include Cetrimide (which is predominately trimethyltetradecylanimoniUM bromide), dod.ecyhrimethylaannordum bromide, trimethy itetradec yl ammonium bromide, hex adecy I trimetli y i ammonium bromide.
[0062] In other embodiments, the quaternary ammonium compound may be of the formula (C113),(A)N+X- are those wherein n=2 and irc2. In such compounds A may be as defined above in relation to R1. R2, R3 and R.4. Preferably A is a C61) substituted or unsubstituted and/or straight chain or branched and/or interrupted or unintermmed alkyl, aryl, or alkylaryl group. For exampleõk may represent a straight chain, unsubstituted and uninterrupted Cs-12 alkyl group or a benzyl group. In these compounds, the groups A may be the same or different.
Examples of this type of compound include dideryl &methyl anunoniwn chloride and dioctyl ditnethyl ammonium chloride.
Examples of this type of compound include dideryl &methyl anunoniwn chloride and dioctyl ditnethyl ammonium chloride.
[0063] Non-limiting examples of quaternary ammonium compounds described above include the group of compounds which are generally called benzlkonium halides and aryl ring substituted derivatives thereof, Examples of compounds of this type include benzalkonium chloride, which has the structural formula:
N
Cl-
N
Cl-
[0064] wherein R may be as defined above in relation to R1, R2, R3 and R.
Preferably, R is a Cs-.
is alkyl group or the betrialkonium chloride is prmided and/or used as a mixture of Ca-is alkyl groups, particularly a mixture of straight chain, unsubstituted and uninterrupted alkyl groups n-C81-117 to n-C18H37, mainly h-Ci?FV5(dodecyl), n-C14F-129(tetradecyl), and n-C
(hexadecyl).
Preferably, R is a Cs-.
is alkyl group or the betrialkonium chloride is prmided and/or used as a mixture of Ca-is alkyl groups, particularly a mixture of straight chain, unsubstituted and uninterrupted alkyl groups n-C81-117 to n-C18H37, mainly h-Ci?FV5(dodecyl), n-C14F-129(tetradecyl), and n-C
(hexadecyl).
[0065] Other preferred quaternary ammonium compounds include those in which the benzene ring, is substituted, for example alkyldimedlyi ethylbenzyl ammonium chloride.
As an example, a mixture containing, for example, equal Inoiar amounts of alk-yl dirnethyl benzyi ammonium chloride and alkyldimealy1 ethylbenzyl ammonium chloride may be used.
As an example, a mixture containing, for example, equal Inoiar amounts of alk-yl dirnethyl benzyi ammonium chloride and alkyldimealy1 ethylbenzyl ammonium chloride may be used.
[0066] Mixtures of, for example, one or more alkyl dimethyl benzyl ammonium chlorides and one or more compounds of formula (CF13)2(A)2N+X-, such as dide.µ.-,y1 dimetb.y1 aninionium chloride may be used.
[0067] The coating composition may comprise the stabilization composition in an amount ranging from about 0.5 wt. % to about 15.0 wt. % - based on the total weight of coating composition in the dry-state ¨ i.e., the surface coating 200 ¨ including all weight percentages and sub-ranges there-between. According to the embodiments where the coating composition forms the clear coat, the stabilization composition may he present in an amount ranging from about 8.0 wt. % to about 15.0 wt. % - based on the total weight of coating composition in the dry-state ¨
i.e., the surface coating 200 ¨ including all weight percentages and sub-ranges there-between.
According to the embodiments where the coating composition forms the pigmented top coat 210, the stabilization composition may be present in an amount ranging from about 0.5 wt. % to about 1.2 wt. % - based on the total weight of coating composition in the dry-state ¨ i.e., the surface coating 200 ¨ including all weight percentages and sub-ranges there-between.
According to the embodiments where the coating composition forms the edge coat 230, the stabilization composition may be present in an amount ranging from about 0.8 wt. % to about 2.0 wt. % -based on the total weight of coating composition in the dry-state ¨ i.e., the surface coating 200 ¨
including all weight percentages and sub-ranges there-between.
i.e., the surface coating 200 ¨ including all weight percentages and sub-ranges there-between.
According to the embodiments where the coating composition forms the pigmented top coat 210, the stabilization composition may be present in an amount ranging from about 0.5 wt. % to about 1.2 wt. % - based on the total weight of coating composition in the dry-state ¨ i.e., the surface coating 200 ¨ including all weight percentages and sub-ranges there-between.
According to the embodiments where the coating composition forms the edge coat 230, the stabilization composition may be present in an amount ranging from about 0.8 wt. % to about 2.0 wt. % -based on the total weight of coating composition in the dry-state ¨ i.e., the surface coating 200 ¨
including all weight percentages and sub-ranges there-between.
[0068] The stabilization composition may comprise a surfactant. The coating composition may comprise the surfactant composition in an amount ranging from about 0.2 wt. %
to about 14.0 wt. % - based on the total weight of coating composition in the dry-state ¨
i.e., the surface coating 200 ¨ including all weight percentages and sub-ranges there-between.
According to the embodiments where the coating composition forms the clear coat, the coating composition may comprise the surfactant composition in an amount ranging from about 6.0 wt. %
to about 14.0 wt. % - based on the total weight of coating composition in the dry-state ¨
i.e., the surface coating 200 ¨ including all weight percentages and sub-ranges there-between.
According to the embodiments where the coating composition forms the pigmented top coat 210, the coating composition may comprise the surfactant composition in an amount ranging from about 0.2 wt.
% to about 0.8 wt. % - based on the total weight of coating composition in the dry-state - i.e., the surface coating 200 - including all weight percentages and sub-ranges there-between.
to about 14.0 wt. % - based on the total weight of coating composition in the dry-state ¨
i.e., the surface coating 200 ¨ including all weight percentages and sub-ranges there-between.
According to the embodiments where the coating composition forms the clear coat, the coating composition may comprise the surfactant composition in an amount ranging from about 6.0 wt. %
to about 14.0 wt. % - based on the total weight of coating composition in the dry-state ¨
i.e., the surface coating 200 ¨ including all weight percentages and sub-ranges there-between.
According to the embodiments where the coating composition forms the pigmented top coat 210, the coating composition may comprise the surfactant composition in an amount ranging from about 0.2 wt.
% to about 0.8 wt. % - based on the total weight of coating composition in the dry-state - i.e., the surface coating 200 - including all weight percentages and sub-ranges there-between.
[0069] The term "surfactant" refers to synthetic and naturally occurring amphiphilic molecules that have hydrophobic portion(s) and hydrophilic portion(s). Due to the amphiphille (amphipathic) nature, the surfactants and co-surfactants typically can reduce the surface tension between two immiscible liquids, for example, the oil and water phases in an emulsion, stabilizing the emulsion.
[0070] The amphiphilic (amphipathic) nature may result in a "hydrophilic-lipophilic balance" or otherwise referred to as a "hydrophile-lipophile balance" or "111.13" - which refers synonymously to a value that is used to index and describe a surfactant according to its relative hydrophobicitythydrophilicity, relative to other surfactants. A surfactant's fILB value is an indication of the molecular balance of the hydrophobic and lipophilic portions of the surfactant, which is an amphipathic molecule. Each surfactant and mixture of surfactants (and/or co-surfactants) has an .FILI3 value that is a numerical representation of the relative weight percent of hydrophobic and hydrophilic portions of the surfactant molecule(s). 141_,B
values are derived from a semi-empirical formula. The -relative weight percentages of the hydrophobic and hydrophilic groups are indicative of surfactant properties, including the molecular structure, for example, the types of aggregates the surfactant will form and the solubility of the surfactant.
values are derived from a semi-empirical formula. The -relative weight percentages of the hydrophobic and hydrophilic groups are indicative of surfactant properties, including the molecular structure, for example, the types of aggregates the surfactant will form and the solubility of the surfactant.
[0071] HLB values may be a rough guide, hydrophilic surfactants are generally considered to be those compounds having an HLB value greater than about 10, as well as anionic, cationic, or zwitterionic compounds for which the H1_13 scale is not generally applicable.
Similarly, hydrophobic surfactants are compounds having an IlLfl value less than about 10. Stated otherwise, surfactants with 111-.13 values greater than 10 or greater than about 10 are more soluble in aqueous compositions, for example, water, and are called "hydrophilic surfactants," while surfactants having FILB values less than 10 or less than about 10 are more soluble in fats, oils and waxes, and are referred to as "hydrophobic, surfactants" or "lipophilic surfactants."
Relatively amphiphilic surfactants are soluble in oil and water based liquids and typically have FILE values close to 10 or about 10.
Similarly, hydrophobic surfactants are compounds having an IlLfl value less than about 10. Stated otherwise, surfactants with 111-.13 values greater than 10 or greater than about 10 are more soluble in aqueous compositions, for example, water, and are called "hydrophilic surfactants," while surfactants having FILB values less than 10 or less than about 10 are more soluble in fats, oils and waxes, and are referred to as "hydrophobic, surfactants" or "lipophilic surfactants."
Relatively amphiphilic surfactants are soluble in oil and water based liquids and typically have FILE values close to 10 or about 10.
[0072] Surfactant HLB values range from 1-45, while the range for non-ionic surfactants typically is from 1-20. The more lipophilic a surfactant is, the lower its HLB
value. Conversely, the inure hydrophilic a surfactant is, the higher its HLB value, The surfactant composition of the present invention may comprise one or more surfactants having an FILE value ranging from about 10 to about 14 --- including all HUB values and sub-ranges there-between. In some embodiments, the surfactant composition of the present invention may comprise one or more surfactants having an FMB value ranging from about 10 to about 12 ¨ including all HUB values and sub-ranges there-between.
value. Conversely, the inure hydrophilic a surfactant is, the higher its HLB value, The surfactant composition of the present invention may comprise one or more surfactants having an FILE value ranging from about 10 to about 14 --- including all HUB values and sub-ranges there-between. In some embodiments, the surfactant composition of the present invention may comprise one or more surfactants having an FMB value ranging from about 10 to about 12 ¨ including all HUB values and sub-ranges there-between.
[0073] Non-limiting examples of surfactants having an HLB value between about 10 and about 14 include polysorbate 81 (HLB 10); PEG-40 Sorbitan Hexaoleate (HLB 10); PEG-40 Sorbitan Perisostearate (HLB 10); PEG-10VC Glycerides WEB 10); PEG sorbitol hexaoleate (1-11_11 10.2); Polysorbate 65 (11LB 10.5); PEG-25 Hydrogenated Castor Oil (HUB 10.8);
Polysorbate 85 (HUB 11); PEG-7 Glyceryl Cocoate (HUB 11); PEG-8 &carafe (HUB 11.1); PEG
sorhitan tetraoleate (HUB, 12); PEG-35 Almond Glycerides (HLB 121; PEG-10 ley]. ether (HLB 12.4.);
PEG-8 isooctylphenyl ether (HLB 12.4); PEG-10 stearyi ether (HUB 12.41; PEG-35 Castor Oil (HUB 12.5); PEG--10 c.!etyl ether (HUB 12.9); Nonoxyno1-9 (HUB 12.9): PEG-40 Castor Oil (HUB 131; PEG-10 isooctylphenyl ether fli[LB 13.5); PEG-40 Hydrogenated Castor Oil (HUB
14)
Polysorbate 85 (HUB 11); PEG-7 Glyceryl Cocoate (HUB 11); PEG-8 &carafe (HUB 11.1); PEG
sorhitan tetraoleate (HUB, 12); PEG-35 Almond Glycerides (HLB 121; PEG-10 ley]. ether (HLB 12.4.);
PEG-8 isooctylphenyl ether (HLB 12.4); PEG-10 stearyi ether (HUB 12.41; PEG-35 Castor Oil (HUB 12.5); PEG--10 c.!etyl ether (HUB 12.9); Nonoxyno1-9 (HUB 12.9): PEG-40 Castor Oil (HUB 131; PEG-10 isooctylphenyl ether fli[LB 13.5); PEG-40 Hydrogenated Castor Oil (HUB
14)
[0074] The stabilization composition may comprise a silicate compound. The silicate compound may be thixotropic.
[0075] The coating composition may comprise the silicate compound in an amount ranging from about 0.1 wt. % to about 1.0 wt. % - based on the total weight of coating composition in the dry-state ¨ i.e., the surface coating 200 ¨ including all weight percentages and sub-ranges there-between. According to the embodiments when the coating composition forms a clear coat, the silicate compound may be present in an amount ranging from about 0.6 wt. % to about 1.0 wt. %
- based on the total weight of coating composition in the dry-state ¨ i.e., the surface coating 200 ¨ including all weight percentages and sub-ranges there-between.
According to the embodiments when the coating composition forms a pigment top coat 210, the silicate compound may be present in an amount ranging from about 0.1 wt. % to about 0.5 wt. % -based on the total weight of coating composition in the dry-state ¨ i.e., the surface coating 200 ¨ including all weight percentages and sub-ranges there-between. According to the embodiments when the coating composition forms an edge coat, the silicate compound may be present in an amount ranging from about 0.1 wt. % to about 0.4 wt. % - based on the total weight of coating composition in the dry-state ¨ i.e., the surface coating 200 ¨ including all weight percentages and sub-ranges there-between.
- based on the total weight of coating composition in the dry-state ¨ i.e., the surface coating 200 ¨ including all weight percentages and sub-ranges there-between.
According to the embodiments when the coating composition forms a pigment top coat 210, the silicate compound may be present in an amount ranging from about 0.1 wt. % to about 0.5 wt. % -based on the total weight of coating composition in the dry-state ¨ i.e., the surface coating 200 ¨ including all weight percentages and sub-ranges there-between. According to the embodiments when the coating composition forms an edge coat, the silicate compound may be present in an amount ranging from about 0.1 wt. % to about 0.4 wt. % - based on the total weight of coating composition in the dry-state ¨ i.e., the surface coating 200 ¨ including all weight percentages and sub-ranges there-between.
[0076] A weight ratio of the surfactant composition to the silicate compound may range from about 3.0:1.0 to about 1.0:1.0 ¨ including all ratios and sub-ranges there-between. In some embodiments, the weight ratio of the surfactant composition to the silicate compound may be about 3.0:1Ø In some embodiments, the weight ratio of the surfactant composition to the silicate compound may be about 2.5:1Ø In some embodiments, the weight ratio of the surfactant composition to the silicate compound may be about 2.0:1Ø In some embodiments, the weight ratio of the surfactant composition to the silicate compound may be about 3.0:2Ø In some embodiments, the weight ratio of the surfactant composition to the silicate compound may be about 1.0:1Ø
[0077] The silicate compound may be a lithium magnesium silicate. The silicate compound may be a synthetic clay. In one embodiment, the lithium magnesium silicate may have the formula:
[Mg,Li,,Sis0200W-Tyr
[Mg,Li,,Sis0200W-Tyr
[0078] wherein w=3 to 6, x=0 to 3, y=0 to 4, z=12-2w¨x, and the overall negative lattice charge is balanced by counter-ions; and wherein the counter-ions are selected from the group consisting of selected Nal., Kit NH4 Cs, Li1, Mg', Ca41, Ba, N(CH3)4 and mixtures thereof. In some embodiments, the silicate compound may be lithium sodium magnesium silicate.
[0079] It has been discovered that the combination of the silicate compound and surfactant composition imparts a surprising stabilization effect to the coating when the coating comprises an hinder composition comprising an anionic component and an antimicrobial composition comprising a cationic compound. The surprising stabilization effect results in the form of the coating composition not forming agglomeration coagulation in the wet-state while also allowing for superior application characteristics (measured by drawdown),
[0080] The surface coating 200 may further comprise a pigment composition. The pigment composition may comprise one or more of titanium dioxide, alkaline metal carbonates, and combinations thereof.
[0081] The pigment composition may be present in an amount ranging from about 50 wt. % to about 90 wt. % based on the total weight of the pigment composition ¨
including all weight percentages and sub-ranges there-between. According to the embodiments where the coating composition may form a pigmented top coat 210, the pigment composition may be present in an amount ranging from about 65 wt. % to about 90 wt. % based on the total weight of the pigment composition ¨ including all weight percentages and sub-ranges there-between.
According to the embodiments where the coating composition may form a pigmented edge coat 230, the pigment composition may be present in an amount ranging from about 70 wt. % to about 90 wt. % based on the total weight of the pigment composition ¨ including all weight percentages and sub-ranges there-between.
including all weight percentages and sub-ranges there-between. According to the embodiments where the coating composition may form a pigmented top coat 210, the pigment composition may be present in an amount ranging from about 65 wt. % to about 90 wt. % based on the total weight of the pigment composition ¨ including all weight percentages and sub-ranges there-between.
According to the embodiments where the coating composition may form a pigmented edge coat 230, the pigment composition may be present in an amount ranging from about 70 wt. % to about 90 wt. % based on the total weight of the pigment composition ¨ including all weight percentages and sub-ranges there-between.
[0082] The surface coating 200 may comprise one or more additives. Additives may be present in the coating composition in an amount ranging from about 0.05 to about 2.5 wt. % - based on the total weight of the coating composition in the wet-state. Non-limiting examples of additives include, other biocides, defoamers, and the like.
[0083] Defoamers may include polyether siloxane. Defoamers may be present in an amount ranging from about 0.01 wt. % to about 0.05 wt. % based on the weight of the surface coating 200 in the dry-state.
[0084] The building panel. 10 according to the present invention may be formed by applying the coating composition in the wet-state to either the body 100 or the scrim. Once applied, the coating composition in the wet-state may be dried at a temperature ranging from about 85 C to about 135 C including all temperatures and sub-ranges there-between.
[0085] The coating composition may be applied by spray, roll, or vacuum coating.
[0086] After drying, all liquid carrier is driven off thereby leaving the surface coating 200 i.e., the coating composition in the dry-state. The surface coating 200 may be present in an amount ranging from about in an amount ranging from about 55 g/m2 to about 1500 g/m2 ¨ including all amounts and sub-ranges there-between. According to the embodiments where the coating composition forms the face coating 210, the coating may be present in an amount ranging from 55 g/m2 to about 360 g/m2 including all amounts and sub-ranges there-between, According to the embodiments where the coating composition forms the edge coating 230, the coating may be present in an amount ranging from 750 gini2 to about 1500 g/m2 --- including all amounts and sub--ranges there-between, EXAMPLES
[0087] Experiment 1
[0088] A first series of experiments were performed to test the impact of combining the antimicrobial composition and stabilization composition of the present invention in a coating comprising a binder composition. Below is a list of components with relevant values and/or compositional information.
[0089] Liquid Carrier - including water
[0090] Binder - anionic emulsion polymer
[0091] Antimicrobial composition (-AC-) - quaternary ammonium compound
[0092] Silicate compound ("SC") - lithium sodium magnesium silicate
[0093] Surfactant 1 - HLB 8
[0094] Surfactant 2 - HLB 10
[0095] Surfactant 3 - HLB 12
[0096] Surfactant 4 - HLB 14 Table 1 Ex. 1 Ex. 2 Ex. 3 Ex. 4 Ex. 5 Ex. 6 Ex. 7 Ex. 8 Liquid Carrier 94.7 91.7 89.0 86.7 84.8 83.1 80.4 78.2 Binder 4.2 7.3 10.1 12.5 14.4 16.1 19.0 21.2 AC 0.2 0.2 0.2 0.2 0.2 0.2 0.1 0.1 SC 0.4 0.4 0.3 0.3 0.3 0.3 0.2 0.2 Surfactant 1 -Surfactant 2 0.5 0.4 0.4 0.4 0.3 0.3 0.3 0.3 Surfactant 3 -Surfactant 4 -Agglomeration No No No No No No No No Draw Down Pass Pass Pass Pass Pass Pass Pass Pass Dry Time Pass Pass Pass Pass Pass Pass Pass Pass Table 1 (continued) Ex. 9 Ex. 10 Ex. 11 Ex. 12 Ex. 13 Ex. 14 Ex. 15 Liquid Carrier 94.9 89.1 84.8 81.9 79.4 92.7 78.5 Binder 4.1 10.0 14.4 17.4 20.0 6.4 20.9 AC 0.2 0.2 0.2 0.2 0.1 0.2 0.1 SC 0.4 0.3 0.3 0.3 0.2 0.4 0.2 Surfactant 1 - 0.4 Surfactant 2 -Surfactant 3 0.5 0.4 0.3 0.3 0.3 Surfactant 4 - 0.2 Agglomeration No No No No No Yes No Draw Down Pass Pass Pass Pass Pass Fail Pass Dry Time Pass Pass Pass Pass Pass Pass Fail
[0097] Table 1 demonstrates that the coating formulation comprising the antimicrobial composition of a quaternary ammonium compound exhibits superior stability in the presence of a surfactant having an HLB between 10 and 14 as well as a silicate compound ¨
whereby Example 14 demonstrates failing stability in the presence of a surfactant having an HLB less than 10 (i.e., an HLB value of 8).
whereby Example 14 demonstrates failing stability in the presence of a surfactant having an HLB less than 10 (i.e., an HLB value of 8).
[0098] An additional set of experiments were performed to test the impact of silicate compound with antimicrobial component.
Table 2 Ex. 16 Ex. 17 Ex. 18 Ex. 19 133A Page 132 Page 132 Page 132 Liquid Carrier 83.5 80.8 89.3 81.0 Binder 15.6 18.8 10.1 18.8 AC 0.3 0.2 0.3 0.2 SC 0.7 0.2 0.3 Surfactant 1 Surfactant 2 Surfactant 3 Surfactant 4 Agglomeration Yes Yes Yes Yes Agglomeration Small Small Small Large Size Draw Down Fail Fail Fail Fail
Table 2 Ex. 16 Ex. 17 Ex. 18 Ex. 19 133A Page 132 Page 132 Page 132 Liquid Carrier 83.5 80.8 89.3 81.0 Binder 15.6 18.8 10.1 18.8 AC 0.3 0.2 0.3 0.2 SC 0.7 0.2 0.3 Surfactant 1 Surfactant 2 Surfactant 3 Surfactant 4 Agglomeration Yes Yes Yes Yes Agglomeration Small Small Small Large Size Draw Down Fail Fail Fail Fail
[0099] As demonstrated by Table 2, the presence of the silicate compound alone is not enough to impart coating stability when the antimicrobial component is combined with an anionic polymer ¨ further supporting the presence of the surfactant having an HLB value between 10 and 14 imparting an unexpected improvement in coating stability.
[01001 Experiment 2 [0101] A second experiment was performed to test the antimicrobial performance of the coating of the present invention. Two coating compositions were prepared ¨ each comprising an anionic binder and liquid carrier. The first coating composition (Ex. 20) further comprising an antimicrobial composition comprising quaternary ammonium and a stabilization composition according to the present invention. The second coating composition (Ex. 21) further comprising an antimicrobial composition comprising a silver-based compound.
[0102] A first, second, and third Petri dish were inoculated with identical concentrations of Staphylococcus auereus ATCC 6538P and incubated for a period of 2 hours ¨
whereby the initial bacteria concentration for each of the first, second, and third Petri dishes were recorded. After the initial incubation, a first amount of the first coating composition was applied to the first Petri dish (Ex. 20). a second amount of the second coating composition was applied to the second Petri dish (Ex. 21), and the third Petri dish was kept untreated (Control).
After a second incubation period of 24-28 hours, a second bacteria concentration for each of the first, second, and third Petri dishes were records. The results are set forth below in Table 3.
Table 3 Ex. 20 Ex. 21 Control Coating Amount 2.0 g/ft2 2.5 g/ft2 0.0 g/ft2 Second Bacterial -0.2 1.89 4.34 Concentration Bacterial Concentration 99.997 99.6 Percent Reduction Value of Antimicrobial 2.45 4.54 Activity (R) [0103] As demonstrated by Table 3, the coating composition of the present invention (Ex. 20) surprisingly exhibits a superior antimicrobial activity as compared to a standard silver-based antimicrobial composition at even a lower application amount. The 0.397 percent improvement in bacterial concentration reduction (i.e., 99.997 vs. 99.6) is substantial as reflected by over 2.0 value improvement in Antimicrobial Activity Value (R).
[01001 Experiment 2 [0101] A second experiment was performed to test the antimicrobial performance of the coating of the present invention. Two coating compositions were prepared ¨ each comprising an anionic binder and liquid carrier. The first coating composition (Ex. 20) further comprising an antimicrobial composition comprising quaternary ammonium and a stabilization composition according to the present invention. The second coating composition (Ex. 21) further comprising an antimicrobial composition comprising a silver-based compound.
[0102] A first, second, and third Petri dish were inoculated with identical concentrations of Staphylococcus auereus ATCC 6538P and incubated for a period of 2 hours ¨
whereby the initial bacteria concentration for each of the first, second, and third Petri dishes were recorded. After the initial incubation, a first amount of the first coating composition was applied to the first Petri dish (Ex. 20). a second amount of the second coating composition was applied to the second Petri dish (Ex. 21), and the third Petri dish was kept untreated (Control).
After a second incubation period of 24-28 hours, a second bacteria concentration for each of the first, second, and third Petri dishes were records. The results are set forth below in Table 3.
Table 3 Ex. 20 Ex. 21 Control Coating Amount 2.0 g/ft2 2.5 g/ft2 0.0 g/ft2 Second Bacterial -0.2 1.89 4.34 Concentration Bacterial Concentration 99.997 99.6 Percent Reduction Value of Antimicrobial 2.45 4.54 Activity (R) [0103] As demonstrated by Table 3, the coating composition of the present invention (Ex. 20) surprisingly exhibits a superior antimicrobial activity as compared to a standard silver-based antimicrobial composition at even a lower application amount. The 0.397 percent improvement in bacterial concentration reduction (i.e., 99.997 vs. 99.6) is substantial as reflected by over 2.0 value improvement in Antimicrobial Activity Value (R).
Claims (20)
1. A coated building panel comprising:
a substrate comprising a first major surface opposite a second major surface;
a coating atop at least one of the first major surface or the second major surface, the coating comprising:
a binder composition;
an antimicrobial composition comprising a cationic compound;
a stabilization composition comprising:
a silicate compound; and a surfactant having an HLB value between about 10 and about 14.
a substrate comprising a first major surface opposite a second major surface;
a coating atop at least one of the first major surface or the second major surface, the coating comprising:
a binder composition;
an antimicrobial composition comprising a cationic compound;
a stabilization composition comprising:
a silicate compound; and a surfactant having an HLB value between about 10 and about 14.
2. The coated building panel according to claim 1, wherein the binder composition comprises an anionic binder.
3. The coated building panel according to any one of claims 1 to 2, wherein the binder composition comprises an emulsion polymer selected from an alkyd emulsion, styrene acrylic, and combinations thereof.
4. The coated building panel according to any one of claims 1 to 3, wherein the binder composition is present in an amount ranging from about 4.0 wt. % to about 80.0 wt. % based on the total weight of the coating.
5. The coated building panel according to any one of claims 1 to 4, wherein the cationic compound comprises quaternary ammonium compounds present in an amount ranging from about 0.1 wt. %
to about 10.0 wt. % based on the total weight of the coating.
to about 10.0 wt. % based on the total weight of the coating.
6. The coated building panel according to any one of claims 1 to 5, wherein the silicate compound is thixotropic, and wherein the silicate compound is present in an amount ranging from about 0.1 wt. % to about 1.0 wt. % based on the total weight of the coating.
7. The coated building panel according to any one of claims 1 to 6, wherein the silicate compound is lithium sodium magnesium silicate.
8. The coated building panel according to any one of claims 1 to 7, wherein the surfactant is present in an amount ranging from about 0.2 wt. % to about 14.0 wt. % based on the total weight of the coating.
9. The coated building panel according to any one of claims 1 to 8, wherein the substrate is a fibrous body.
10. A coating composition comprising:
a liquid carrier;
a solid blend comprising:
a binder composition;
an antimicrobial composition comprising a cationic compound;
a stabilization composition comprising:
a silicate compound; and a surfactant having an HLB value between about 10 and about 14.
a liquid carrier;
a solid blend comprising:
a binder composition;
an antimicrobial composition comprising a cationic compound;
a stabilization composition comprising:
a silicate compound; and a surfactant having an HLB value between about 10 and about 14.
11. The coating composition according to claim 10, wherein the binder composition comprises an anionic binder.
12. The coating composition according to any one of claims 10 to 11, wherein the binder composition comprises an emulsion polymer selected from an alkyd emulsion, styrene acrylic, and combinations thereof.
13. The coating composition according to any one of claims 10 to 12, wherein the binder composition is present in an amount ranging from about 4.0 wt. % to about 80.0 wt. % based on the total weight of the solid blend.
14. The coating composition according to any one of claims 10 to 13, wherein the cationic compound comprises quaternary ammonium compounds present in an amount ranging from about 0.1 wt. % to about 10.0 wt. % based on the total weight of the solid blend.
15. The coating composition according to any one of claims 10 to 14, wherein the silicate compound is thixotropic, and wherein the silicate compound is present in an amount ranging from about 0.1 wt. % to about 1.0 wt. % based on the total weight of the solid blend.
16. The coating composition according to any one of claims 10 to 15, wherein the silicate compound is lithium sodium magnesium silicate.
17. The coating composition according to any one of claims 10 to 16, wherein the surfactant is present in an amount ranging from about 0.2 wt. % to about 14.0 wt. % based on the total weight of the solid blend.
18. The coating composition according to any one of claims 10 to 17, wherein the liquid carrier comprises water, and wherein the liquid carrier is present in an amount ranging from about 5.0 wt.
% to about 80.0 wt. % based on the total weight of the coating composition.
% to about 80.0 wt. % based on the total weight of the coating composition.
19. A method for forming a coated building panel comprising a) applying the coating composition according to any one of claims 13 to 18 to a substrate; and b) drying the coating composition so that substantially all liquid carrier is removed to form the coated building panel, wherein step b) is performed at a temperature ranging from about 80 C to about 135 C.
20. The method according to claim 19, wherein the substrate comprises a fibrous body.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US202163188582P | 2021-05-14 | 2021-05-14 | |
US63/188,582 | 2021-05-14 | ||
PCT/US2022/027616 WO2022240633A1 (en) | 2021-05-14 | 2022-05-04 | Stabilization of antimicrobial coatings |
Publications (1)
Publication Number | Publication Date |
---|---|
CA3218901A1 true CA3218901A1 (en) | 2022-11-17 |
Family
ID=84029794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA3218901A Pending CA3218901A1 (en) | 2021-05-14 | 2022-05-04 | Stabilization of antimicrobial coatings |
Country Status (2)
Country | Link |
---|---|
CA (1) | CA3218901A1 (en) |
WO (1) | WO2022240633A1 (en) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101733041B1 (en) * | 2009-06-02 | 2017-05-08 | 아크조노벨코팅스인터내셔널비.브이. | Waterborne coating composition comprising a polyester and a metal salt of a fatty acid |
JP6603495B2 (en) * | 2015-07-01 | 2019-11-06 | 株式会社Lixil | Antibacterial and antiviral coating agent |
JP6626193B2 (en) * | 2015-09-30 | 2019-12-25 | ダウ グローバル テクノロジーズ エルエルシー | Storage stable aqueous composition and method for producing the same |
WO2017120611A1 (en) * | 2016-01-10 | 2017-07-13 | Georgia-Pacific Gypsum Llc | Fibrous mats and panels having a gypsum-based coating and methods for the manufacture thereof |
CA3058058A1 (en) * | 2018-10-19 | 2020-04-19 | National Gypsum Properties, Llc | Antimicrobial coating for building panel |
-
2022
- 2022-05-04 CA CA3218901A patent/CA3218901A1/en active Pending
- 2022-05-04 WO PCT/US2022/027616 patent/WO2022240633A1/en active Application Filing
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WO2022240633A1 (en) | 2022-11-17 |
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