CN108822604A - A kind of coating composition, automatically cleaning water nano coating and structural body - Google Patents
A kind of coating composition, automatically cleaning water nano coating and structural body Download PDFInfo
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- CN108822604A CN108822604A CN201810780511.8A CN201810780511A CN108822604A CN 108822604 A CN108822604 A CN 108822604A CN 201810780511 A CN201810780511 A CN 201810780511A CN 108822604 A CN108822604 A CN 108822604A
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- resin
- titanium dioxide
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- coating composition
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- 239000008199 coating composition Substances 0.000 title claims abstract description 49
- 238000004140 cleaning Methods 0.000 title claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 239000002103 nanocoating Substances 0.000 title claims abstract description 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical class O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 107
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical class [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims abstract description 64
- 239000000463 material Substances 0.000 claims abstract description 57
- 229920005989 resin Polymers 0.000 claims abstract description 55
- 239000011347 resin Substances 0.000 claims abstract description 55
- 238000000576 coating method Methods 0.000 claims abstract description 41
- 239000011248 coating agent Substances 0.000 claims abstract description 39
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 20
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 51
- 239000000843 powder Substances 0.000 claims description 35
- 239000000377 silicon dioxide Substances 0.000 claims description 35
- 239000000084 colloidal system Substances 0.000 claims description 26
- 239000003795 chemical substances by application Substances 0.000 claims description 25
- 239000004408 titanium dioxide Substances 0.000 claims description 25
- 239000008119 colloidal silica Substances 0.000 claims description 17
- 229920000180 alkyd Polymers 0.000 claims description 16
- -1 polysiloxane Polymers 0.000 claims description 13
- 229920005749 polyurethane resin Polymers 0.000 claims description 12
- 229920001296 polysiloxane Polymers 0.000 claims description 10
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 9
- 229920003180 amino resin Polymers 0.000 claims description 9
- 239000003822 epoxy resin Substances 0.000 claims description 9
- 229920000647 polyepoxide Polymers 0.000 claims description 9
- 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 claims description 8
- 239000002270 dispersing agent Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 230000004048 modification Effects 0.000 claims description 7
- 238000012986 modification Methods 0.000 claims description 7
- 239000004094 surface-active agent Substances 0.000 claims description 7
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 6
- 239000002518 antifoaming agent Substances 0.000 claims description 6
- 229910052731 fluorine Inorganic materials 0.000 claims description 6
- 239000011737 fluorine Substances 0.000 claims description 6
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 6
- 239000012760 heat stabilizer Substances 0.000 claims description 6
- 229920000728 polyester Polymers 0.000 claims description 6
- 229920001225 polyester resin Polymers 0.000 claims description 6
- 239000004645 polyester resin Substances 0.000 claims description 6
- 238000007665 sagging Methods 0.000 claims description 6
- 239000000080 wetting agent Substances 0.000 claims description 6
- 235000012239 silicon dioxide Nutrition 0.000 claims description 5
- 229960001866 silicon dioxide Drugs 0.000 claims description 5
- 239000004925 Acrylic resin Substances 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 4
- 239000004593 Epoxy Substances 0.000 claims description 3
- 235000007164 Oryza sativa Nutrition 0.000 claims description 3
- 239000006096 absorbing agent Substances 0.000 claims description 3
- 125000001931 aliphatic group Chemical group 0.000 claims description 3
- 239000004841 bisphenol A epoxy resin Substances 0.000 claims description 3
- 239000011353 cycloaliphatic epoxy resin Substances 0.000 claims description 3
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical compound C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 claims description 3
- 239000003999 initiator Substances 0.000 claims description 3
- 238000010422 painting Methods 0.000 claims description 3
- 229920000734 polysilsesquioxane polymer Polymers 0.000 claims description 3
- 235000009566 rice Nutrition 0.000 claims description 3
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 3
- 239000002562 thickening agent Substances 0.000 claims description 3
- 229920006337 unsaturated polyester resin Polymers 0.000 claims description 3
- 229920001730 Moisture cure polyurethane Polymers 0.000 claims description 2
- 150000001252 acrylic acid derivatives Chemical class 0.000 claims description 2
- 240000007594 Oryza sativa Species 0.000 claims 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 1
- 229920002050 silicone resin Polymers 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 20
- 239000000428 dust Substances 0.000 abstract description 10
- 239000000356 contaminant Substances 0.000 abstract description 8
- 230000007613 environmental effect Effects 0.000 abstract description 8
- 239000000853 adhesive Substances 0.000 abstract description 7
- 230000001070 adhesive effect Effects 0.000 abstract description 7
- 238000005260 corrosion Methods 0.000 abstract description 7
- 230000007797 corrosion Effects 0.000 abstract description 7
- 239000008187 granular material Substances 0.000 abstract description 7
- 238000013033 photocatalytic degradation reaction Methods 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 9
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 7
- 230000008859 change Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- 238000003756 stirring Methods 0.000 description 7
- 229910052719 titanium Inorganic materials 0.000 description 7
- 239000010936 titanium Substances 0.000 description 7
- 239000008367 deionised water Substances 0.000 description 6
- 229910021641 deionized water Inorganic materials 0.000 description 6
- 239000006185 dispersion Substances 0.000 description 5
- 239000005416 organic matter Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- 235000019441 ethanol Nutrition 0.000 description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 3
- 230000032683 aging Effects 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000002195 synergetic effect Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 241000209094 Oryza Species 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 239000004310 lactic acid Substances 0.000 description 2
- 235000014655 lactic acid Nutrition 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000011863 silicon-based powder Substances 0.000 description 2
- 229920005792 styrene-acrylic resin Polymers 0.000 description 2
- 230000010148 water-pollination Effects 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 241000790917 Dioxys <bee> Species 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- OUUQCZGPVNCOIJ-UHFFFAOYSA-M Superoxide Chemical compound [O-][O] OUUQCZGPVNCOIJ-UHFFFAOYSA-M 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 125000005396 acrylic acid ester group Chemical group 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000012241 calcium silicate Nutrition 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011383 glass concrete Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002052 molecular layer Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000003075 superhydrophobic effect Effects 0.000 description 1
- 150000003608 titanium Chemical class 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 1
- 238000010792 warming Methods 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
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- 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
- C08K3/36—Silica
-
- 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
- C08K7/00—Use of ingredients characterised by shape
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The present invention provides a kind of coating composition, automatically cleaning water nano coating and structural body, coating composition and contains：Nano-titanium dioxide class material 0.1-5 parts by weight；Nano silica class material 0.1-10 parts by weight；Aqueous hybrid resin 0.01-5 parts by weight；Auxiliary agent 0.1-5 parts by weight；Water 1-99 parts by weight.Coating composition according to the present invention, without containing the organic principle being harmful to the human body, safety and environmental protection, nano-titanium dioxide class material enables to surface contaminant or dust granule to remove by photocatalytic degradation, with obvious self-cleaning effect, nano silica class material and aqueous hybrid resin have stronger chemical cooperated effect, improve the hardness of coating, with corrosion resistance, scoring resistance energy, enhances adhesive force, and coating composition is coated on formation automatically cleaning water nano coating on coated article, self-cleaning effect is good, and coating performance is preferable.
Description
Technical field
The present invention relates to environment protection field, in particular to a kind of coating composition, automatically cleaning water nano coating and structural body.
Background technique
Building external paint can beautify the environment and room, but since traditional coating abrasion resistance is poor, coating easily occurs
Change colour, fall off, glass curtain wall or ceramic tile veneer can bring light pollution again, increase the problems such as building is self-possessed, there are security risks.
Currently, The Surroundings in Cities pollution is aggravating, wherein dust pollution, gaseous contamination are particularly acute, and external wall is especially high-rise
Building, by increasingly severe erosion, since performance difference is difficult to meet needs, automatic cleaning coating can make traditional coating
It obtains surface contaminant or dust granule voluntarily falls off under the external forces such as gravity, rainwater, wind-force, or pass through photocatalytic degradation
It removes, has the characteristics that water-saving, energy-saving and environmental protection, therefore, how to develop and have excellent performance, the coating with automatic cleaning action is
Problem to be solved.
Summary of the invention
In view of this, the present invention provides a kind of coating composition.
The present invention also provides a kind of automatically cleaning water nano coatings.
The present invention also provides a kind of structural bodies.
In order to solve the above technical problems, the present invention uses following technical scheme：
The coating composition of embodiment according to a first aspect of the present invention, contains：
Nano-titanium dioxide class material 0.1-5 parts by weight；
Nano silica class material 0.1-10 parts by weight；
Aqueous hybrid resin 0.01-5 parts by weight；
Auxiliary agent 0.1-5 parts by weight；
Water 1-99 parts by weight.
Further, the nano-titanium dioxide class material include nano-titanium dioxide powder, nano-titanium dioxide colloid,
Or mixtures thereof.
Further, the partial size of the nano-titanium dioxide colloid is 1-99nm.
Further, the nano silica class material include nano silica powder, nanometer titanium dioxide colloidal silica,
Or mixtures thereof.
Further, the nano silica powder is long chain nano silica powder, partial size 50-
2000nm；The partial size of the nanometer titanium dioxide colloidal silica is 5-99nm.
Further, the aqueous hybrid resin includes alkyd resin, epoxy resin, acrylate, polyurethane tree
Rouge, organic siliconresin, organic fluorine, amino resins, polyester resin, organosilicon-inorganic polysiloxane, polyester modification alkyd tree
Rouge, silicone alkyd, epoxy alkyd resin, bisphenol A epoxide resin, aliphatic glycidyl ether resin, hydrogen
Change bisphenol A epoxide resin, cycloaliphatic epoxy resin, styrene-acrylic resin, pure acrylate resin, organic-silicon-modified
It is acrylate, polyester modification acrylate, acrylate-polyurethane resin, acrylate-amino resins, wet solid
Change polyurethane resin, organic siliconresin-polyurethane resin, containing hydrogen silicone oil-organic siliconresin containing double bond, fluorocarbon resin, organosilicon
Fluorocarbon modified resin, unsaturated polyester resin, polyester-urethane resin, polysiloxane resin, polysilsesquioxane resins
One of or it is a variety of.
Further, the auxiliary agent includes surfactant, initiator, dispersing agent, wetting agent, thickener, levelling agent, disappears
One of infusion, anticrater agent, anti-sagging agent, anti-flash rusting agent, UV light absorber, antiager, heat stabilizer are a variety of.
The automatically cleaning water nano coating of embodiment according to a second aspect of the present invention, by implementing according to a first aspect of the present invention
The coating composition of example, which is coated on coated article, to be formed.
The structural body of embodiment according to a third aspect of the present invention, including：
Coated article；And
The coating being formed on the coated article, wherein the coating be according to second aspect of the present invention embodiment from
Clean aqueous nano coating.
Above-mentioned technical proposal of the invention one of at least has the advantages that：
Coating composition according to an embodiment of the present invention, without containing the organic principle being harmful to the human body, formaldehydeless equal volatilization
Property organic matter release, safety and environmental protection, nano-titanium dioxide class material enables to surface contaminant or dust granule to urge by light
Change degradation and remove, there is obvious self-cleaning effect, nano silica class material and aqueous hybrid resin have strongerization
Synergistic effect is learned, the hardness of coating is improved, there is corrosion resistance, scoring resistance energy enhances adhesive force, coating composition coating
Automatically cleaning water nano coating is formed on coated article, self-cleaning effect is good, and coating performance is preferable.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention,
The technical solution of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is of the invention one
Divide embodiment, instead of all the embodiments.Based on described the embodiment of the present invention, those of ordinary skill in the art are obtained
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Coating composition according to an embodiment of the present invention is specifically described first below.
Coating composition according to an embodiment of the present invention contains：
Nano-titanium dioxide class material 0.1-5 parts by weight；
Nano silica class material 0.1-10 parts by weight；
Aqueous hybrid resin 0.01-5 parts by weight；
Auxiliary agent 0.1-5 parts by weight；
Water 1-99 parts by weight.
That is, nano-titanium dioxide class material, nano silica class material can be contained in coating composition,
In, the specific partial size and state of nano-titanium dioxide can according to need selection, and aqueous hybrid resin can be water-soluble resin,
It does not need organic solvent and carrys out dissolving resin, without containing the organic principle being harmful to the human body, formaldehydeless equal volatile organic matters release,
Safety and environmental protection.The content of each component can select according to actual needs in coating composition, and auxiliary agent may include dispersing agent, surface
Activating agent, levelling agent etc. enable nano-titanium dioxide class material, nano silica class material to be evenly dispersed in aqueous
In hybrid resin.
Nano-titanium dioxide class material can be nano-titanium dioxide, and nano-titanium dioxide is a kind of N semiconductor material,
There are a forbidden band between valence band full of electronics and the conduction band being made of hole, when being radiated at nano-titanium dioxide film surface
The energy of ultraviolet light be greater than forbidden bandwidth, the electronics in nano-titanium dioxide valence band is excited, and transits to conduction band, while in valence
Band forms hole；Electronics in conduction band is reacted with the oxygen in air generates superoxide anion (O2-)；Hole and surface in valence
The water of absorption forms hydroxyl radical free radical (OH), and hydroxyl radical free radical has strong oxidizing property, can will be adsorbed on nano-titanium dioxide painting
The various organic matter degradations of film surface are water and carbon dioxide, so that film has preferably automatic cleaning action.
The photic hydrophily of nano-titanium dioxide film is the electronics-hole pair and surface dioxy that ultraviolet excitation generates
Change titanium crystal effect, forms equally distributed hydrophilic microcell and hydrophobic microcell in plane of crystal, the width of each microcell only has ten
Several nanometers, a water droplet is big more than hydrophilic microcell, therefore, can constantly sprawl on titanium deoxid film surface, ultraviolet light
On titanium deoxid film surface, the hydrophilic microcell of formation is unstable, after stopping illumination, richness of the oxygen in titanium dioxide surface
Collection makes film surface hydrophilic gradually decay, and the contact angle on water and surface is gradually increased, and has ultraviolet lighting reflective surface, and meeting again
There is new hydrophilic microcell to be formed again, it is hydrophilic to shorten light irradiation as far as possible as a kind of ideal superhydrophilic self-cleaning coating
Response time, the speed for delaying dark place hydrophily to decay.Coating composition of the invention contains nano-titanium dioxide, have certainly
Cleaning action.Nano silica class material and aqueous hybrid resin have stronger chemical cooperated effect, can be improved coating
Hardness, have corrosion resistance, scoring resistance energy, enhance adhesive force, coating composition, which is coated on coated article, forms automatically cleaning
Water nano coating, self-cleaning effect is good, and coating performance is preferable.
Coating composition according to an embodiment of the present invention as a result, it is formaldehydeless etc. without containing the organic principle being harmful to the human body
Volatile organic matter release, safety and environmental protection, nano-titanium dioxide class material enable to surface contaminant or dust granule to pass through
Photocatalytic degradation and remove, there is obvious self-cleaning effect, nano silica class material and aqueous hybrid resin have relatively strong
Chemical cooperated effect, improve the hardness of coating, have corrosion resistance, scoring resistance energy, enhance adhesive force, coating composition
It is coated on formation automatically cleaning water nano coating on coated article, self-cleaning effect is good, and coating performance is preferable.
In some embodiments of the invention, nano-titanium dioxide class material may include nano-titanium dioxide powder, receive
Rice colloidal tio 2 can also contain its mixture, can only include nano-titanium dioxide powder, also may include nanometer
Titanium dioxide powder and nano-titanium dioxide colloid, enable to nano-titanium dioxide by nano-titanium dioxide powder or colloid
It is mixed well with resin.
In other embodiments of the invention, the partial size of nano-titanium dioxide colloid can be 1-99nm, in this partial size
Nano-titanium dioxide in range, can be evenly dispersed with resin, and self-cleaning effect is good.
According to some embodiments of the present invention, nano silica class material may include nano silica powder, receive
Or mixtures thereof rice silicon dioxide colloid, it may include nanometer titanium dioxide for example, nanometer titanium dioxide colloidal silica can be only included
Silicon powder and nanometer titanium dioxide colloidal silica, are easy to mix with resin, and uniformity is good.
Other embodiments according to the present invention, nano silica powder can be long-chain shape nano-silica powder
Body, partial size can be 50-2000nm；The partial size of nanometer titanium dioxide colloidal silica can be 5-99nm, wherein long chain nanometer two
Silica powder is easy to form rough micro nano structure in substrate surface, and it is super-hydrophobic to be conducive to raising water nano coating
Automatic cleaning action.Long chain nano silica powder can be prepared by the following method：Silane-modified chain can be used
Carbon dust, after handling in 400-700 DEG C of air, carbon finally disappears, and can be prepared by the long chain nanometer titanium dioxide of stomach lining structure
Silicon powder, this method is simple, easy to operate.
In some embodiments of the invention, aqueous hybrid resin may include alkyd resin, epoxy resin, propylene
Acid ester resin, polyurethane resin, organic siliconresin, organic fluorine, amino resins, polyester resin, organosilicon-inorganic silicon tree
Rouge, polyester modification alkyd resin, silicone alkyd, epoxy alkyd resin, bisphenol A epoxide resin, aliphatic
Glycidyl ether resin, hydrogenated bisphenol A epoxy resin, cycloaliphatic epoxy resin, styrene-acrylic resin, pure acrylic acid
Ester resin, Silicone-Modified Acrylate Resin, polyester modification acrylate, acrylate-polyurethane resin, acrylic acid
Ester-amino resins, moisture-cure polyurethane resin, organic siliconresin-polyurethane resin, containing hydrogen silicone oil-organic siliconresin containing double bond,
Fluorocarbon resin, organic-silicon-modified fluorocarbon resin, unsaturated polyester resin, polyester-urethane resin, polysiloxane resin,
One of polysilsesquioxane resins are a variety of, for example, aqueous hybrid resin may include alkyd resin, it may include poly- ammonia
Ester resin and organic siliconresin can also reasonably select according to the actual situation.
In other embodiments of the invention, auxiliary agent may include surfactant, initiator, dispersing agent, wetting agent,
Thickener, levelling agent, defoaming agent, anticrater agent, anti-sagging agent, anti-flash rusting agent, UV light absorber, antiager, heat stabilizer
One of or it is a variety of, for example, auxiliary agent may include surfactant, may include dispersing agent and levelling agent, be conducive to nanometer material
Material disperses in resin, is easy to levelling, can also include defoaming agent and antiager, avoid the generation of bubble in resin, prevent
Contain bubble, the performance of respective coatings in the coating of generation, antiager can enhance the ageing resistance of coating.
Coating composition according to an embodiment of the present invention, without containing the organic principle being harmful to the human body, formaldehydeless equal volatilization
Property organic matter release, safety and environmental protection, nano-titanium dioxide class material enables to surface contaminant or dust granule to urge by light
Change degradation and remove, there is obvious self-cleaning effect, nano silica class material and aqueous hybrid resin have strongerization
Synergistic effect is learned, the hardness of coating is improved, there is corrosion resistance, scoring resistance energy enhances adhesive force, coating composition coating
Automatically cleaning water nano coating is formed on coated article, self-cleaning effect is good, and coating performance is preferable.
The automatically cleaning water nano coating of embodiment according to a second aspect of the present invention, by implementing according to a first aspect of the present invention
The coating composition of example, which is coated on coated article, to be formed, and the coating ageing-resistant performance is good, and self-cleaning performance is strong, not easily to fall off.It applies
Layer composition can be applied directly on base material by spraying or roll coating model, and coating composition can be widely used for calcium silicates
Plate, cement fibrolite plate, the artificial and natural marble space of a whole page, various insulation layer surfaces, glass concrete (GRC), fibre
Dimension enhancing composite material (FRP) moulding material etc. assembled architectures enterprise, can be used for cement wall surface, cement flooring, FRP Columns,
The external coatings such as special-shaped depth cylinder, lines, are also used directly for school, hospital, hotel, office building, government-works, villa etc.
The inner-outer wall coating of top-grade building object, the surface of effective protection coated article are not damaged, so that the surface of coated article has from clear
Clean effect removes surface contaminant.
The structural body of embodiment includes coated article and the coating that is formed on coated article according to a third aspect of the present invention,
In, coating can according to second aspect of the present invention embodiment automatically cleaning water nano coating, be coated with automatically cleaning water nano
The works self-cleaning performance of coating is strong, can remove the pollutant on coated article surface.
The present invention also provides a kind of preparation methods of coating composition, do furtherly to the preparation method of composition below
Bright, coating composition can contain：
Nano-titanium dioxide class material 0.1-5 parts by weight；Nano silica class material 0.1-10 parts by weight；Aqueous hybrid
Resin 0.01-5 parts by weight；Auxiliary agent 0.1-5 parts by weight；And water 1-99 parts by weight,
The preparation method of coating composition includes the following steps：
A) nano-titanium dioxide class material and nano silica class material, nano-titanium dioxide class material and nanometer are provided
At least one of silica based materials are aqueous sol；
B) aqueous hybrid resin, auxiliary agent are provided；
C) nano-titanium dioxide class material, nano silica class material, aqueous hybrid resin, auxiliary agent are mixed,
Obtain coating composition.
Wherein, step a) may include：
A1-1 nano-titanium dioxide colloid) is provided, the partial size of nano-titanium dioxide colloid is 1-99nm；And
A1-2) nanometer titanium dioxide colloidal silica is provided, first disperse ethyl orthosilicate in ethanol and be warming up to 120 DEG C, so
Hydrochloric acid solution is added dropwise in backward ethyl alcohol, nanometer titanium dioxide colloidal silica is obtained after being stirred to react, wherein ethyl alcohol and ethyl orthosilicate
Volume ratio is 4:1, the molar concentration of hydrochloric acid solution is 1M, and the volume ratio of hydrochloric acid solution and ethyl orthosilicate is 1:4.Wherein, salt
Acid solution configures to obtain using concentrated hydrochloric acid with deionized water.
For example, 20ml ethyl orthosilicate is taken to be dispersed in 80ml ethyl alcohol, solution is placed in the twoport flask of 500ml, is added
Enter magneton stirring, stirring rate is 600 turns/min, and then flask is placed in heater and is heated to 120 DEG C, is stated then up molten
1MD hydrochloric acid solution 5ml is added to get nanometer titanium dioxide colloidal silica in liquid, and the partial size of nanometer titanium dioxide colloidal silica is 5-99nm.
In other embodiments of the invention, step a1-1) include：
It is added to the water after isopropanol and titanium isopropoxide are mixed, is stirred after titanium dioxide precipitation, filtering precipitate is used in combination
Deionized water washs to obtain wet cake, and by the wet cake, dispersion obtains dispersion liquid again in deionized water, into dispersion liquid
Add lactic acid and be cooled to room temperature after being sufficiently mixed, and pH value is adjusted to 7.0, obtains nano-titanium dioxide colloid.
For example, the 50g titanium isopropoxide of 50g isopropanol is added slowly to 250g deionized water with vigorous stirring
In, after titanium dioxide precipitation, continues to stir 10min or more, sediment is filtered and is washed with 500g deionized water, wash
The wet cake crossed disperses again in deionized water, and the total weight of aforesaid operations to dispersion is 250g repeatedly.Into dispersion
Addition 6g lactic acid is simultaneously sufficiently mixed, and then for 24 hours, after colloidal sol is cooled to room temperature, pH value is high-speed stirred at 80 DEG C
2.6, organic amine is added into colloidal sol by pH value is adjusted to 7.0 to get nano-titanium dioxide colloid, nano-titanium dioxide colloid is arrived
Average grain diameter be 4.6nm.
In the implementation process of the specific embodiment of the invention, aqueous hybrid resin, auxiliary agent first can be separately added into nanometer
It is stirred in silicon dioxide colloid, adds nano-titanium dioxide powder, obtain coating composition.Each component raw material is passed through simple
Physical mixing processes or situ aggregation method carry out prepares coating composition, react after each component being mixed at 0-300 DEG C
10min-100h is prepared.
In some embodiments of the invention, step a) may include：
A2-1) nano-titanium dioxide colloid is provided；And
A2-2) nano silica powder is provided.
Wherein, step a2-1) it can specifically include：
Titanium tetrachloride is added in 0-5 DEG C of water and is stirred, ammonium hydroxide stirring is then added dropwise, adjusting PH is 7.0, obtains nanometer two
Titanium oxide colloid.
Nano silica powder is long chain nano silica powder, and preparation method is as follows：
Silane-modified chain carbon dust is reacted to carbon in 400-700 DEG C of air and disappeared, long chain nanometer can be obtained
Silicon-dioxide powdery.
According to some embodiments of the present invention, step c) includes：
Nano-titanium dioxide colloid is added to the water stirring, add aqueous hybrid resin, auxiliary agent and is stirred, is then added again
Enter nano silica powder stirring, obtains coating composition, wherein nano-titanium dioxide colloid and nano silica powder
Mass ratio be 1:5, the mass ratio of nano-titanium dioxide colloid and nano silica powder is adjustable, so that nano-silica
Changing titanium colloid and nano silica powder can be evenly dispersed in resin aqueous solution.
The coating composition prepared by the above method, it is formaldehydeless to wait volatilization without containing the organic principle being harmful to the human body
Property organic matter release, safety and environmental protection, nano-titanium dioxide class material enables to surface contaminant or dust granule to urge by light
Change degradation and remove, there is obvious self-cleaning effect, nano silica class material and aqueous hybrid resin have strongerization
Synergistic effect is learned, the hardness of coating is improved, there is corrosion resistance, scoring resistance energy enhances adhesive force, coating composition coating
Automatically cleaning water nano coating is formed on coated article, self-cleaning effect is good, and coating performance is preferable.
Below with reference to some specific embodiments, coating composition according to the present invention is described further.
Embodiment 1
Coating composition contains：
0.1 parts by weight of nano-titanium dioxide class material, 10 parts by weight of nano silica class material, aqueous hybrid resin
0.01 parts by weight, 99 parts by weight of 0.1 parts by weight of auxiliary agent and water.
Wherein, nano-titanium dioxide class material includes nano-titanium dioxide powder, nano-titanium dioxide colloid, nano-silica
The partial size for changing titanium valve body is 3-20nm, and the partial size of nano-titanium dioxide colloid is 1-99nm.
Nano silica class material includes nano silica powder, nanometer titanium dioxide colloidal silica, nano silica
Powder is long chain nano silica powder, and partial size 50-2000nm, the partial size of nanometer titanium dioxide colloidal silica is 5-
99nm。
Aqueous hybrid resin include alkyd resin, epoxy resin, acrylate, polyurethane resin, organic siliconresin,
Organic fluorine, amino resins, polyester resin.
Auxiliary agent includes surfactant, dispersing agent, wetting agent, levelling agent, defoaming agent, anticrater agent, anti-sagging agent, UV light
Absorbent, antiager, heat stabilizer.
Embodiment 2
Coating composition contains：
5 parts by weight of nano-titanium dioxide class material, 0.1 parts by weight of nano silica class material, 5 weight of aqueous hybrid resin
Measure part, 1 parts by weight of 5 parts by weight of auxiliary agent and water.
Wherein, nano-titanium dioxide class material includes nano-titanium dioxide powder, nano-titanium dioxide colloid, nano-silica
The partial size for changing titanium valve body is 3-20nm, and the partial size of nano-titanium dioxide colloid is 1-99nm.
Nano silica class material includes nano silica powder, nanometer titanium dioxide colloidal silica, nano silica
Powder is long chain nano silica powder, and partial size 50-2000nm, the partial size of nanometer titanium dioxide colloidal silica is 5-
99nm。
Aqueous hybrid resin include alkyd resin, epoxy resin, acrylate, polyurethane resin, organic siliconresin,
Organic fluorine, amino resins, polyester resin.
Auxiliary agent includes surfactant, dispersing agent, wetting agent, levelling agent, defoaming agent, anticrater agent, anti-sagging agent, UV light
Absorbent, antiager, heat stabilizer.
Embodiment 3
Coating composition contains：
3 parts by weight of nano-titanium dioxide class material, 5 parts by weight of nano silica class material, 3 weight of aqueous hybrid resin
Part, 50 parts by weight of 3 parts by weight of auxiliary agent and water.
Wherein, nano-titanium dioxide class material includes nano-titanium dioxide powder, nano-titanium dioxide colloid, nano-silica
The partial size for changing titanium valve body is 3-20nm, and the partial size of nano-titanium dioxide colloid is 1-99nm.
Nano silica class material includes nano silica powder, nanometer titanium dioxide colloidal silica, nano silica
Powder is long chain nano silica powder, and partial size 50-2000nm, the partial size of nanometer titanium dioxide colloidal silica is 5-
99nm。
Aqueous hybrid resin include alkyd resin, epoxy resin, acrylate, polyurethane resin, organic siliconresin,
Organic fluorine, amino resins, polyester resin.
Auxiliary agent includes surfactant, dispersing agent, wetting agent, levelling agent, defoaming agent, anticrater agent, anti-sagging agent, UV light
Absorbent, antiager, heat stabilizer.
In order to further investigate the beneficial effect of coating composition, the coating composition of embodiment 1 to embodiment 3 is selected
Roll coating model is coated in FPR plate surface, as shown in the table：
According to result it is found that coating is all environment-friendly type, coating hardness is between 5H-6H, and automatically cleaning degree is good, artificial ageing resistance
Time is both greater than 3000 hours, and abrasion resistance is both greater than 3000 times, and tensile property is good.The coating group prepared through the foregoing embodiment
Object is closed, it is formaldehydeless to wait volatile organic matters release, safety and environmental protection, nanometer titanium dioxide without containing the organic principle being harmful to the human body
Titanium class material enables to surface contaminant or dust granule to remove by photocatalytic degradation, has obvious self-cleaning effect,
Nano silica class material and aqueous hybrid resin have stronger chemical cooperated effect, improve the hardness of coating, have
Corrosion resistance, scoring resistance energy enhance adhesive force, and coating composition, which is coated on coated article, forms the painting of automatically cleaning water nano
Layer, self-cleaning effect is good, and coating performance is preferable.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of coating composition, which is characterized in that the coating composition contains：
Nano-titanium dioxide class material 0.1-5 parts by weight；
Nano silica class material 0.1-10 parts by weight；
Aqueous hybrid resin 0.01-5 parts by weight；
Auxiliary agent 0.1-5 parts by weight；
Water 1-99 parts by weight.
2. coating composition according to claim 1, which is characterized in that the nano-titanium dioxide class material includes nanometer
Titanium dioxide powder, nano-titanium dioxide colloid, or mixtures thereof.
3. coating composition according to claim 2, which is characterized in that the partial size of the nano-titanium dioxide colloid is 1-
99nm。
4. coating composition according to claim 1, which is characterized in that the nano silica class material includes nanometer
Silicon-dioxide powdery, nanometer titanium dioxide colloidal silica, or mixtures thereof.
5. coating composition according to claim 4, which is characterized in that the nano silica powder is that long chain is received
Rice silicon-dioxide powdery, partial size 50-2000nm；The partial size of the nanometer titanium dioxide colloidal silica is 5-99nm.
6. coating composition according to claim 1, which is characterized in that the aqueous hybrid resin include alkyd resin,
It is epoxy resin, acrylate, polyurethane resin, organic siliconresin, organic fluorine, amino resins, polyester resin, organic
Silicon-inorganic polysiloxane, polyester modification alkyd resin, silicone alkyd, epoxy alkyd resin, bisphenol-A epoxy
Resin, aliphatic glycidyl ether resin, hydrogenated bisphenol A epoxy resin, cycloaliphatic epoxy resin, cinnamic acrylic ester tree
Rouge, pure acrylate resin, Silicone-Modified Acrylate Resin, polyester modification acrylate, acrylate-polyurethane
Resin, acrylate-amino resins, moisture-cure polyurethane resin, organic siliconresin-polyurethane resin, containing hydrogen silicone oil-contain double bond
Organic siliconresin, fluorocarbon resin, organic-silicon-modified fluorocarbon resin, unsaturated polyester resin, polyester-urethane resin, gather it is organic
One of silicone resin, polysilsesquioxane resins are a variety of.
7. coating composition according to claim 1, which is characterized in that the auxiliary agent include surfactant, initiator,
It is dispersing agent, wetting agent, thickener, levelling agent, defoaming agent, anticrater agent, anti-sagging agent, anti-flash rusting agent, UV light absorber, resistance to old
One of agent, heat stabilizer are a variety of.
8. a kind of automatically cleaning water nano coating, which is characterized in that by the described in any item coating compositions of claim 1 to 7
It is coated on coated article and is formed.
9. a kind of structural body, which is characterized in that the structural body includes：
Coated article；And
The coating being formed on the coated article, wherein the coating is automatically cleaning water nano according to any one of claims 8 painting
Layer.
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Application publication date: 20181116 |