CN109593412A - A kind of automatically cleaning exterior wall surface coating and preparation method thereof - Google Patents
A kind of automatically cleaning exterior wall surface coating and preparation method thereof Download PDFInfo
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- CN109593412A CN109593412A CN201811320040.9A CN201811320040A CN109593412A CN 109593412 A CN109593412 A CN 109593412A CN 201811320040 A CN201811320040 A CN 201811320040A CN 109593412 A CN109593412 A CN 109593412A
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- parts
- wall surface
- exterior wall
- surface coating
- automatically cleaning
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- 238000000576 coating method Methods 0.000 title claims abstract description 85
- 239000011248 coating agent Substances 0.000 title claims abstract description 84
- 238000004140 cleaning Methods 0.000 title claims abstract description 68
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 62
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims abstract description 51
- 230000004048 modification Effects 0.000 claims abstract description 34
- 238000012986 modification Methods 0.000 claims abstract description 34
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000000843 powder Substances 0.000 claims abstract description 28
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 26
- 239000000839 emulsion Substances 0.000 claims abstract description 25
- 239000010445 mica Substances 0.000 claims abstract description 25
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 25
- 239000002994 raw material Substances 0.000 claims abstract description 21
- 239000002562 thickening agent Substances 0.000 claims abstract description 21
- 239000004814 polyurethane Substances 0.000 claims abstract description 18
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 16
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 16
- 229920002635 polyurethane Polymers 0.000 claims abstract description 16
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 16
- 239000010703 silicon Substances 0.000 claims abstract description 16
- 239000013530 defoamer Substances 0.000 claims abstract description 15
- 239000003112 inhibitor Substances 0.000 claims abstract description 12
- 238000005406 washing Methods 0.000 claims abstract description 9
- 239000006185 dispersion Substances 0.000 claims description 30
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 28
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 28
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 claims description 28
- 229960000583 acetic acid Drugs 0.000 claims description 14
- 239000012362 glacial acetic acid Substances 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 14
- 239000011812 mixed powder Substances 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 13
- 229960000935 dehydrated alcohol Drugs 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 238000000498 ball milling Methods 0.000 claims description 7
- 229960004756 ethanol Drugs 0.000 claims description 7
- 239000004576 sand Substances 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 238000000967 suction filtration Methods 0.000 claims description 7
- 239000002518 antifoaming agent Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 239000000428 dust Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000003973 paint Substances 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 230000002209 hydrophobic effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000004408 titanium dioxide Substances 0.000 description 3
- ZQPMINXTZRKJIW-UHFFFAOYSA-N [Si].OF Chemical compound [Si].OF ZQPMINXTZRKJIW-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- FEWFXBUNENSNBQ-UHFFFAOYSA-N 2-hydroxyacrylic acid Chemical compound OC(=C)C(O)=O FEWFXBUNENSNBQ-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 1
- 241000276489 Merlangius merlangus Species 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 235000011034 Rubus glaucus Nutrition 0.000 description 1
- 244000235659 Rubus idaeus Species 0.000 description 1
- 235000009122 Rubus idaeus Nutrition 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229920003180 amino resin Polymers 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910021485 fumed silica Inorganic materials 0.000 description 1
- 229920001600 hydrophobic polymer Polymers 0.000 description 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 1
- 229920003063 hydroxymethyl cellulose Polymers 0.000 description 1
- 229940031574 hydroxymethyl cellulose Drugs 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000006210 lotion Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229960001124 trientine Drugs 0.000 description 1
- 230000010148 water-pollination Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc 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
- C09D143/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers
- C09D143/04—Homopolymers or copolymers of monomers containing silicon
-
- 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
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
- C09D5/1662—Synthetic film-forming substance
- C09D5/1668—Vinyl-type polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/43—Thickening agents
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention discloses a kind of automatically cleaning exterior wall surface coating and preparation method thereof, preparing the raw material of the automatically cleaning exterior wall surface coating by its parts by weight includes: 50 parts~70 parts of aqueous silicone acrylic emulsion, 6 parts~12 parts of modification infusorial earth, 1.5 parts~6 parts of powdered activated carbon, 0.2 part~0.7 part of mould inhibitor, 0.05 part~0.3 part of organic silicon defoamer, 0.6 part~1.8 parts of propylene glycol, 0.2 part~1.0 parts of polyethylene glycol, 0.15 part~0.6 part of association type polyurethane thickener, 0.8 part~1.6 parts of mica powder.The levelability of automatically cleaning exterior wall surface coating prepared by the present invention, good film-forming property, product quality temperature are easy to construct, washing away by rainwater or water can remove dust and greasy dirt from coating surface, reach self-cleaning effect, and raw material is cheap and easy to get, preparation method is simple, is suitble to industrialized production.
Description
Technical field
The present invention relates to building coating technical fields, and in particular to a kind of automatically cleaning exterior wall surface coating and its preparation side
Method.
Background technique
With the aggravation of environmental pollution, dust, particle, pollutant virus for suspending in air etc. are increasing, to building
Exterior wall, urban operating mechanism surface bring serious erosion, leave the trace for being difficult to eliminate, coating is caused to lose decoration function.And
Self-cleaning coating refers to used in substrate surface, by hydrophobic and hydrophilic physical characteristic possessed by coating itself, can play anti-
The coating of effect dirty and easy to clean.Self-cleaning coating on the market mainly includes hydrophobicity, hydrophily and photocatalysis three classes at present,
Wherein hydrophobic coating is mainly to form the raspberry structure of lotus leaf type on surface or obtained using hydrophobic polymer on surface
Big angle of wetting；Hydrophilic coating is mainly the water-wet behavior for utilizing material itself；Light catalyzed coating mainly according to material from
Body realizes the light degradation to pollutant to the photo-generated carrier generated after sun light absorption.
Chinese patent CN104356822A discloses a kind of Weather-proof self-cleaning coating, and raw material includes: hydroxy acrylic acid tree
50-60 parts of rouge, 20-23 parts of glyptal, 0.1-1 parts of hydroxyl fluorine silicon additive, 15-25 parts of pigment, defoaming agent 0.5-0.8
Part, 0.8-1.2 parts of advection agent, 0.5-0.8 parts of mould inhibitor, 15-18 parts of powdered whiting, 2-3 parts of fumed silica, stearic acid
0.3-0.5 parts of zinc, full Amino resin 10-15 parts, 0.2-0.8 parts of triethylene tetramine, 20-30 parts of solvent.The patent adds
It crosslinks and reacts with other components using its surface tension effects added with hydroxyl fluorine silicon additive, form fluorine in surface of the paint film
Silicone layer come enable coating have lower surface, to make paint film hydrophobicity with higher and automatically cleaning feature, still
The resistance to soiling of the standby Weather-proof self-cleaning coating of the patent system is bad.
Chinese patent CN105504919A discloses a kind of self-cleaning surface nano paint and its manufacture craft, the coating packet
Containing formula as below: component A: 48~50 parts of bisphenol A type resin, 6~8 parts of silane coupling agent, is gone at 24~26 parts of nano silica
18~20 parts of ionized water；B component: 22~25 parts of deionized water, 18~20 parts of talcum powder, 15~16 parts of wax powder, titanium dioxide 18~
20 parts, 15~18 parts of acrylic acid, 2~3 parts of wetting agent, 1~2 part of defoaming agent, 5~7 parts of mill base.The patent utilizes nano material
Microsize and its skin effect are added in coating and realize the self-cleaning function of coating, but the patent system is standby
The self-cleaning ability of self-cleaning surface nano paint is bad.
Summary of the invention
The present invention is in view of the above-mentioned problems, provide a kind of automatically cleaning exterior wall surface coating and preparation method thereof.
Technical solution used by the present invention solves the above problems is: a kind of automatically cleaning exterior wall surface coating is prepared from clear
The raw material of clean exterior wall surface coating includes: 50 parts~70 parts of aqueous silicone acrylic emulsion, modification infusorial earth 6 parts~12 by its parts by weight
Part, 1.5 parts~6 parts of powdered activated carbon, 0.2 part~0.7 part of mould inhibitor, 0.05 part of organic silicon defoamer~0.3 part, propylene glycol
0.6 part~1.8 parts, 0.2 part~1.0 parts of polyethylene glycol, 0.15 part~0.6 part, 0.8 part of mica powder of association type polyurethane thickener
~1.6 parts.Wherein, there is stronger adsorption capacity using powdered activated carbon microcellular structure, small point in air can be adsorbed
The organic matter of sub- substance and low molecular weight plays the function of Cleaning Air；The anti-mildew ability of coating can be improved in mould inhibitor, subtracts
Few coating pollutes metope because of itself mildew, improves the self-cleaning ability of coating；Association type polyurethane thickener is viscous
Degree is less than the nonionic polyurethane Associative thickener of 3000mPas, compared to classes such as hydroxymethyl cellulose, hydroxyethyl celluloses
The thickener of type, the polyurethane thickener after hydrophobically modified not only provide outstanding thickening effect, can also improve lotion
Levelability, mobility and water resistance.
Further, the preparation method of modification infusorial earth includes:
Butyl titanate will be added in dehydrated alcohol by step i while stirring, stir 20 minutes~35 points
Clock obtains dispersion liquid；
The ethanol solution that concentration is 85wt% is mixed with glacial acetic acid with 12~20:1 of weight ratio, is stirred by step ii
10 minutes~20 minutes, obtain mixed liquor；
The obtained mixed liquor of step ii is added drop-wise in the dispersion liquid of step i by step iii, and diatomite is added, and reaction 4 is small
When~6 hours, after suction filtration, washing, ball milling, obtain modification infusorial earth.Wherein, diatomite not only acts as thickening, improves attachment
The effect of power can also adsorb pernicious gas in air；Diatomite is carried out during preparing nano-titanium dioxide in situ
Modification can not only make diatomite have the unique optical property of nano-titanium dioxide, and ultraviolet light can be absorbed, and generate active group
The pollutant for attaching in coating surface is decomposed, can also improve dispersibility and suspension of the diatomite in coating by group,
Enhance product stability；In addition processing is modified to diatomite using titanium dioxide, the nano-silica that price can be replaced more expensive
Change titanium valve body, avoids tradition and titanium dioxide is directly added to the problem for causing cost excessively high in coating.
Further, in step i, the volume ratio of butyl titanate and dehydrated alcohol is 1:5~10.
Further, in step ii, the volume ratio of glacial acetic acid and butyl titanate is 1:15~30.
Further, in step iii, the weight ratio of diatomite and butyl titanate is 13~18:1.
Further, the viscosity of aqueous silicone acrylic emulsion is 3000mPas~8000mPas, and solid content is in 45wt%
~55wt%.
Further, the granularity of mica powder is in 325 mesh~1000 mesh, and loose density is in 0.3g/cm3~0.35g/cm3.Its
In, adding suitable mica powder can be enhanced the intensity of paint coatings, improve the abrasion resistance of coating, can also delay coating
Aging extends the service life of coating.
Further, prepare the raw material of automatically cleaning exterior wall surface coating by its parts by weight include: 60 parts of aqueous silicone acrylic emulsion,
9 parts of modification infusorial earth, 0.45 part of mould inhibitor, 0.16 part of organic silicon defoamer, 1.2 parts of propylene glycol, gathers 3.8 parts of powdered activated carbon
0.6 part of ethylene glycol, 0.38 part of association type polyurethane thickener, 1.2 parts of mica powder.
Another goal of the invention of the invention is to provide a kind of preparation method of automatically cleaning exterior wall surface coating, including as follows
Step:
Step S1 is weighed the raw material for preparing automatically cleaning exterior wall surface coating by above-mentioned parts by weight；
The modification infusorial earth, powdered activated carbon, mica powder of above-mentioned parts by weight are mixed, obtain mixed-powder by step S2；
The aqueous silicone acrylic emulsion of above-mentioned parts by weight is added in high speed disperser by step S3, is added what step S2 was obtained
Mixed-powder high speed dispersion 10 minutes~20 minutes, sequentially adds the propylene glycol of above-mentioned parts by weight, polyethylene glycol, mould inhibitor, has
Machine silicon defoaming agent and association type polyurethane thickener continue dispersion 30 minutes~50 minutes, then grind twice through sand mill, obtain
Automatically cleaning exterior wall surface coating.
Further, in step S3, the revolving speed of high speed dispersion is 800r/min~1000r/min.
The invention has the advantages that
(1) automatically cleaning exterior wall surface coating prepared by the present invention has using aqueous silicone acrylic emulsion as primary raw material using it
Hydrophobic, high durable, resistant to pollution feature, improve coating in atmosphere added with suitable modification infusorial earth and powdered activated carbon
The absorption and capacity of decomposition of pollutant enhance the hydrophobicity and automatically cleaning characteristic of coating, improve and apply added with suitable mica powder
The intensity and wearability smeared, improve the service life of coating；
(2) levelability of automatically cleaning exterior wall surface coating prepared by the present invention, good film-forming property, product quality temperature are easy to
Construction, washing away by rainwater or water can remove dust and greasy dirt from coating surface, reach self-cleaning effect, and raw material is honest and clean
Valence is easy to get, and preparation method is simple, is suitble to industrialized production.
Specific embodiment
The embodiment of the present invention is described in detail below, but what the present invention can be defined by the claims and cover
Multitude of different ways is implemented.
Embodiment 1
A kind of automatically cleaning exterior wall surface coating and preparation method thereof
The raw material for preparing automatically cleaning exterior wall surface coating includes: aqueous silicone acrylic emulsion 50kg, modification infusorial earth 7kg, powdery
Active carbon 5kg, mould inhibitor 0.7kg, organic silicon defoamer 0.05kg, propylene glycol 0.8kg, polyethylene glycol 0.8kg, the poly- ammonia of association type
Ester thickener 0.6kg, mica powder 0.8kg；The viscosity of aqueous silicone acrylic emulsion is 3000mPas~5000mPas, solid content
45wt%；The granularity of mica powder is 325 mesh, and loose density is in 0.35g/cm3。
Wherein, the preparation method of modification infusorial earth includes:
Butyl titanate will be added in dehydrated alcohol by step i while stirring, butyl titanate and anhydrous second
The volume ratio of alcohol is 1:5, stirs 25 minutes, obtains dispersion liquid；
Step ii, by concentration be 85wt% ethanol solution mix with glacial acetic acid with weight ratio 18:1, control glacial acetic acid and
The volume ratio of butyl titanate is 1:30, is stirred 10 minutes, obtains mixed liquor；
The obtained mixed liquor of step ii is added drop-wise in the dispersion liquid of step i by step iii, be added diatomite, diatomite with
The weight ratio of butyl titanate is 14:1, reacts 5.5 hours, after suction filtration, washing, ball milling, obtains modification infusorial earth.
Automatically cleaning exterior wall surface coating, is prepared via a method which:
Step S1 is weighed the raw material for preparing automatically cleaning exterior wall surface coating by above-mentioned parts by weight；
The modification infusorial earth, powdered activated carbon, mica powder of above-mentioned parts by weight are mixed, obtain mixed-powder by step S2；
The aqueous silicone acrylic emulsion of above-mentioned parts by weight is added in high speed disperser by step S3, is added what step S2 was obtained
Mixed-powder, revolving speed are 950r/min high speed dispersion 10 minutes, sequentially add the propylene glycol of above-mentioned parts by weight, polyethylene glycol, prevent
Mould dose, organic silicon defoamer and association type polyurethane thickener continue dispersion 35 minutes, then grind twice through sand mill, obtain
Automatically cleaning exterior wall surface coating.
Embodiment 2
A kind of automatically cleaning exterior wall surface coating and preparation method thereof
The raw material for preparing automatically cleaning exterior wall surface coating includes: aqueous silicone acrylic emulsion 55kg, modification infusorial earth 6kg, powdery
Active carbon 6kg, mould inhibitor 0.6kg, organic silicon defoamer 1.0kg, propylene glycol 0.6kg, polyethylene glycol 1.0kg, the poly- ammonia of association type
Ester thickener 0.8kg, mica powder 1.0kg；The viscosity of aqueous silicone acrylic emulsion is 3000mPas~5000mPas, solid content
45wt%；The granularity of mica powder is 325 mesh, and loose density is in 0.35g/cm3。
Wherein, the preparation method of modification infusorial earth includes:
Butyl titanate will be added in dehydrated alcohol by step i while stirring, butyl titanate and anhydrous second
The volume ratio of alcohol is 1:6, stirs 30 minutes, obtains dispersion liquid；
Step ii, by concentration be 85wt% ethanol solution mix with glacial acetic acid with weight ratio 20:1, control glacial acetic acid and
The volume ratio of butyl titanate is 1:15, is stirred 12 minutes, obtains mixed liquor；
The obtained mixed liquor of step ii is added drop-wise in the dispersion liquid of step i by step iii, be added diatomite, diatomite with
The weight ratio of butyl titanate is 17:1, reacts 4 hours, after suction filtration, washing, ball milling, obtains modification infusorial earth.
Automatically cleaning exterior wall surface coating, is prepared via a method which:
Step S1 is weighed the raw material for preparing automatically cleaning exterior wall surface coating by above-mentioned parts by weight；
The modification infusorial earth, powdered activated carbon, mica powder of above-mentioned parts by weight are mixed, obtain mixed-powder by step S2；
The aqueous silicone acrylic emulsion of above-mentioned parts by weight is added in high speed disperser by step S3, is added what step S2 was obtained
Mixed-powder, revolving speed are 800r/min high speed dispersion 12 minutes, sequentially add the propylene glycol of above-mentioned parts by weight, polyethylene glycol, prevent
Mould dose, organic silicon defoamer and association type polyurethane thickener continue dispersion 50 minutes, then grind twice through sand mill, obtain
Automatically cleaning exterior wall surface coating.
Embodiment 3
A kind of automatically cleaning exterior wall surface coating and preparation method thereof
The raw material for preparing automatically cleaning exterior wall surface coating includes: aqueous silicone acrylic emulsion 65kg, modification infusorial earth 12kg, powdery
Active carbon 2.5kg, mould inhibitor 0.2kg, organic silicon defoamer 2.5kg, propylene glycol 1.8kg, polyethylene glycol 0.4kg, association type are poly-
Urethane thickener 0.15kg, mica powder 1.4kg；The viscosity of aqueous silicone acrylic emulsion is 5000mPas~8000mPas, solid
Content 50wt%；The granularity of mica powder is 500 mesh, and loose density is in 0.3g/cm3。
Wherein, the preparation method of modification infusorial earth includes:
Butyl titanate will be added in dehydrated alcohol by step i while stirring, butyl titanate and anhydrous second
The volume ratio of alcohol is 1:10, stirs 20 minutes, obtains dispersion liquid；
Step ii, by concentration be 85wt% ethanol solution mix with glacial acetic acid with weight ratio 15:1, control glacial acetic acid and
The volume ratio of butyl titanate is 1:25, is stirred 20 minutes, obtains mixed liquor；
The obtained mixed liquor of step ii is added drop-wise in the dispersion liquid of step i by step iii, be added diatomite, diatomite with
The weight ratio of butyl titanate is 13:1, reacts 4.5 hours, after suction filtration, washing, ball milling, obtains modification infusorial earth.
Automatically cleaning exterior wall surface coating, is prepared via a method which:
Step S1 is weighed the raw material for preparing automatically cleaning exterior wall surface coating by above-mentioned parts by weight；
The modification infusorial earth, powdered activated carbon, mica powder of above-mentioned parts by weight are mixed, obtain mixed-powder by step S2；
The aqueous silicone acrylic emulsion of above-mentioned parts by weight is added in high speed disperser by step S3, is added what step S2 was obtained
Mixed-powder, revolving speed are 1000r/min high speed dispersion 18 minutes, sequentially add the propylene glycol of above-mentioned parts by weight, polyethylene glycol, prevent
Mould dose, organic silicon defoamer and association type polyurethane thickener continue dispersion 30 minutes, then grind twice through sand mill, obtain
Automatically cleaning exterior wall surface coating.
Embodiment 4
A kind of automatically cleaning exterior wall surface coating and preparation method thereof
The raw material for preparing automatically cleaning exterior wall surface coating includes: aqueous silicone acrylic emulsion 70kg, modification infusorial earth 10kg, powdery
Active carbon 1.5kg, mould inhibitor 0.3kg, organic silicon defoamer 0.3kg, propylene glycol 1.5kg, polyethylene glycol 0.2kg, association type are poly-
Urethane thickener 0.2kg, mica powder 1.6kg；The viscosity of aqueous silicone acrylic emulsion is 4000mPas, solid content 55wt%；Cloud
The granularity of female powder is 1000 mesh, and loose density is in 0.3g/cm3。
Wherein, the preparation method of modification infusorial earth includes:
Butyl titanate will be added in dehydrated alcohol by step i while stirring, butyl titanate and anhydrous second
The volume ratio of alcohol is 1:9, stirs 35 minutes, obtains dispersion liquid；
Step ii, by concentration be 85wt% ethanol solution mix with glacial acetic acid with weight ratio 12:1, control glacial acetic acid and
The volume ratio of butyl titanate is 1:20, is stirred 18 minutes, obtains mixed liquor；
The obtained mixed liquor of step ii is added drop-wise in the dispersion liquid of step i by step iii, be added diatomite, diatomite with
The weight ratio of butyl titanate is 18:1, reacts 6 hours, after suction filtration, washing, ball milling, obtains modification infusorial earth.
Automatically cleaning exterior wall surface coating, is prepared via a method which:
Step S1 is weighed the raw material for preparing automatically cleaning exterior wall surface coating by above-mentioned parts by weight；
The modification infusorial earth, powdered activated carbon, mica powder of above-mentioned parts by weight are mixed, obtain mixed-powder by step S2；
The aqueous silicone acrylic emulsion of above-mentioned parts by weight is added in high speed disperser by step S3, is added what step S2 was obtained
Mixed-powder, revolving speed are 850r/min high speed dispersion 20 minutes, sequentially add the propylene glycol of above-mentioned parts by weight, polyethylene glycol, prevent
Mould dose, organic silicon defoamer and association type polyurethane thickener continue dispersion 45 minutes, then grind twice through sand mill, obtain
Automatically cleaning exterior wall surface coating.
Embodiment 5
A kind of automatically cleaning exterior wall surface coating and preparation method thereof
The raw material for preparing automatically cleaning exterior wall surface coating includes: aqueous silicone acrylic emulsion 60kg, modification infusorial earth 9kg, powdery
Active carbon 3.8kg, mould inhibitor 0.45kg, organic silicon defoamer 0.16kg, propylene glycol 1.2kg, polyethylene glycol 0.6kg, association type
Polyurethane thickener 0.38kg, mica powder 1.2kg；The viscosity of aqueous silicone acrylic emulsion is 5000mPas, solid content 50wt%；
The granularity of mica powder is 500 mesh, and loose density is in 0.35g/cm3。
Wherein, the preparation method of modification infusorial earth includes:
Butyl titanate will be added in dehydrated alcohol by step i while stirring, butyl titanate and anhydrous second
The volume ratio of alcohol is 1:8, stirs 30 minutes, obtains dispersion liquid；
Step ii, by concentration be 85wt% ethanol solution mix with glacial acetic acid with weight ratio 16:1, control glacial acetic acid and
The volume ratio of butyl titanate is 1:25, is stirred 15 minutes, obtains mixed liquor；
The obtained mixed liquor of step ii is added drop-wise in the dispersion liquid of step i by step iii, be added diatomite, diatomite with
The weight ratio of butyl titanate is 15:1, reacts 5.0 hours, after suction filtration, washing, ball milling, obtains modification infusorial earth.
Automatically cleaning exterior wall surface coating, is prepared via a method which:
Step S1 is weighed the raw material for preparing automatically cleaning exterior wall surface coating by above-mentioned parts by weight；
The modification infusorial earth, powdered activated carbon, mica powder of above-mentioned parts by weight are mixed, obtain mixed-powder by step S2；
The aqueous silicone acrylic emulsion of above-mentioned parts by weight is added in high speed disperser by step S3, is added what step S2 was obtained
Mixed-powder, revolving speed are 900r/min high speed dispersion 15 minutes, sequentially add the propylene glycol of above-mentioned parts by weight, polyethylene glycol, prevent
Mould dose, organic silicon defoamer and association type polyurethane thickener continue dispersion 40 minutes, then grind twice through sand mill, obtain
Automatically cleaning exterior wall surface coating.
Experimental example
Technical progress in order to further illustrate the present invention is now further illustrated using experiment.
Compare the properties of a variety of materials under square one, experimental result is as shown in table 1.
1. Examples 1 to 5 of table prepares the test result of automatically cleaning exterior wall surface coating
The experimental results showed that the hardness of automatically cleaning exterior wall surface coating prepared by the present invention is big, wearability is good, and product suspends
Good, the no caking phenomenon of property, caking property is strong, is easy to construct, water-fast, stain resistance is good, and self-cleaning ability is strong.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of automatically cleaning exterior wall surface coating, which is characterized in that prepare the raw material of the automatically cleaning exterior wall surface coating by it
Parts by weight include: 50 parts~70 parts of aqueous silicone acrylic emulsion, 6 parts~12 parts of modification infusorial earth, 1.5 parts~6 parts of powdered activated carbon, prevent
Mould dose 0.2 part~0.7 part, 0.05 part~0.3 part of organic silicon defoamer, 0.6 part~1.8 parts of propylene glycol, 0.2 part of polyethylene glycol~
1.0 parts, 0.15 part~0.6 part of association type polyurethane thickener, 0.8 part~1.6 parts of mica powder.
2. automatically cleaning exterior wall surface coating according to claim 1, which is characterized in that the preparation side of the modification infusorial earth
Method includes:
Butyl titanate will be added in dehydrated alcohol by step i while stirring, be stirred 20 minutes~35 minutes, be obtained
To dispersion liquid；
The ethanol solution that concentration is 85wt% is mixed with glacial acetic acid with 12~20:1 of weight ratio, is stirred 10 points by step ii
Clock~20 minute obtain mixed liquor；
The obtained mixed liquor of step ii is added drop-wise in the dispersion liquid of step i by step iii, and diatomite, reaction 4 hours~6 is added
Hour, after suction filtration, washing, ball milling, obtain modification infusorial earth.
3. automatically cleaning exterior wall surface coating according to claim 2, which is characterized in that in step i, the butyl titanate
Volume ratio with dehydrated alcohol is 1:5~10.
4. automatically cleaning exterior wall surface coating according to claim 2, which is characterized in that in step ii, the glacial acetic acid with
The volume ratio of butyl titanate is 1:15~30.
5. automatically cleaning exterior wall surface coating according to claim 2, which is characterized in that in step iii, the diatomite with
The weight ratio of butyl titanate is 13~18:1.
6. automatically cleaning exterior wall surface coating according to claim 1, which is characterized in that the viscosity of the aqueous silicone acrylic emulsion
For 3000mPas~8000mPas, solid content is in 45wt%~55wt%.
7. automatically cleaning exterior wall surface coating according to claim 1, which is characterized in that the granularity of the mica powder is 325
Mesh~1000 mesh, loose density is in 0.3g/cm3~0.35g/cm3。
8. automatically cleaning exterior wall surface coating according to claim 1, which is characterized in that prepare the automatically cleaning exterior wall surface
The raw material of coating by its parts by weight includes: 60 parts of aqueous silicone acrylic emulsion, 9 parts of modification infusorial earth, 3.8 parts of powdered activated carbon, mould proof
0.45 part of agent, 0.16 part of organic silicon defoamer, 1.2 parts of propylene glycol, 0.6 part of polyethylene glycol, association type polyurethane thickener 0.38
Part, 1.2 parts of mica powder.
9. it is a kind of according to claim 1~any one of 8 described in automatically cleaning exterior wall surface coating preparation method, feature exists
In, comprising the following steps:
Step S1 is weighed the raw material for preparing automatically cleaning exterior wall surface coating by the parts by weight；
The modification infusorial earth, powdered activated carbon, mica powder of the parts by weight are mixed, obtain mixed-powder by step S2；
The aqueous silicone acrylic emulsion of the parts by weight is added in high speed disperser by step S3, and the mixing that step S2 is obtained is added
Powder high speed dispersion 10 minutes~20 minutes, sequentially adds propylene glycol, the polyethylene glycol, mould inhibitor, organosilicon of the parts by weight
Defoaming agent and association type polyurethane thickener continue dispersion 30 minutes~50 minutes, then grind twice through sand mill, obtain from clear
Clean exterior wall surface coating.
10. preparation method according to claim 9, which is characterized in that in step S3, the revolving speed of the high speed dispersion is
800r/min~1000r/min.
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Application publication date: 20190409 |