CN104140732A - High-salt-mist high-weather-proof water paint and preparing method thereof - Google Patents
High-salt-mist high-weather-proof water paint and preparing method thereof Download PDFInfo
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Abstract
The invention relates to high-salt-mist high-weather-proof water paint and a preparing method of the high-salt-mist high-weather-proof water paint. The high-salt-mist high-weather-proof water paint mainly comprises acrylic acid modified emulsion. The acrylic acid modified emulsion is composed of isobutyl alcohol, ethylene glycol monobutyl ether, methyl isobutyl ketone, vinylidene chloride, dodecafluoroheptyl methacrylate, perluorooctyl acrylate, vinyl trimethoxy silane, acrylic acid, methyl methacrylate, hydroxyethyl acrylate, phenylethylene, 2-ethylhexyl acrylate, azodiisobutyronitrile, N-methyl monoethanolamine and deionized water. The paint is quite excellent primer-topcoat coating and suitable for metal workpieces, the paint is dried at normal temperature after being sprayed, the appearance of a coating is smooth and bright, the leveling property is good, the mechanical property is good, the weather-proof property is excellent, after 2500 hours of QUV aging tests, the dulling rate is smaller than or equal to 15%, and delta E is smaller than or equal to 1.5, meanwhile, corrosion resistance is good, salt mist resistance reaches 1000 hours, and the one-way corrosion width is smaller than or equal to 2 mm.
Description
[technical field]
The invention belongs to water-borne coatings and preparation method's technical field, relate to high weather-proof water-borne coatings of a kind of high salt fog and preparation method thereof.
[background technology]
Material corrosion is the serious problems that the whole world faces.Corrosion has not only consumed treasure, and has destroyed the normal operation of many activities such as production, life.The loss that China causes because of metallic corrosion every year, up to hundreds of hundred million Renminbi, accounts for 4% of national total value, and along with the increase of metal consumption, its loss amount also will constantly increase.So surprising loss, irritating the development of anticorrosive coating, film simultaneously and be exposed under outdoor environmental conditions the problem such as embrittlement, efflorescence, variable color, loss of gloss easily occur, peel off, filming to have higher weather resistance, so the high weather-proof water-borne coatings research and development of high salt fog are very urgent.
Patent of invention (CN 102108250A) discloses a kind of waterborne one coat anticorrosive paint and preparation method thereof, take waterborne polyurethane modified epoxy resin as base-material, adding multiple auxiliary agent is prepared from, there is higher Corrosion Protection and ageing-resistant performance simultaneously, through experiment ultraviolet-resistant aging, reach 600h, salt fog resistance also reaches 600h.Now such weather-proof and salt spray resistance requires to meet the demand in market on the market, and single coating does not also reach the requirement of high weather-proof and high salt fog, so urgent need is developed the weather-proof water-borne coatings of a kind of high salt fog height.
[summary of the invention]
The present invention is directed to the deficiencies in the prior art, high weather-proof water-borne coatings of a kind of high salt fog and preparation method thereof is provided, product of the present invention is single-component coating, coating of the present invention is very excellent bottom surface integration type coating, be adapted to metal works, Air drying after application, appearance of coat smooth, good leveling property, there is preferably mechanical property, hardness is H, shock strength is 50Kg.cm, sticking power is 0 grade, there is very excellent weather resistance, through 2500 hours QUV weathering tests, loss of gloss rate≤15%, Δ E≤1.5, also there is good erosion resistance simultaneously, salt fog resistance reaches 1000 hours, unidirectional corrosion width≤2mm.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of high weather-proof water-borne coatings of high salt fog with nucleocapsid structure, mainly comprise acrylic acid modified emulsion, described acrylic acid modified emulsion is by 9-15 weight part isopropylcarbinol, 4-8 weight part ethylene glycol monobutyl ether, 2-4 weight part methyl iso-butyl ketone (MIBK), 4-6 weight part chlorinated polyvinyl chloride, 2-5 parts by weight of acrylic acid ten difluoro heptyl esters, 1.5-3.5 parts by weight of acrylic acid ten trifluoro monooctyl esters, 3-5 parts by weight of ethylene base Trimethoxy silane, 3.5-5.5 parts by weight of acrylic acid, 5.5-7.5 parts by weight of methylmethacrylate, 5.8-6.6 parts by weight of acrylic acid hydroxyl ethyl ester, 7.2-10 parts by weight of styrene, the different monooctyl ester of 8-11.4 parts by weight of acrylic acid, 1-2 weight part Diisopropyl azodicarboxylate, 1.5-2.5 weight part methyl monoethanolamine, 20-30 parts by weight of deionized water forms.
In this water-borne coatings, also further contain following composition:
In described water-borne coatings, the acrylic acid modified emulsion described in every 20-40 weight part, also adds 16-38 weight part anticorrosive pigment/filler.
In described water-borne coatings, the acrylic acid modified emulsion described in every 20-40 weight part, also adds 1-2 weight part water-based wetting dispersing agent.
In described water-borne coatings, the acrylic acid modified emulsion described in every 20-40 weight part, also adds 0.4-1 weight part water-based defoamer.
In described water-borne coatings, the acrylic acid modified emulsion described in every 20-40 weight part, also adds 0.8-2 weight part water-based flow agent.
In described water-borne coatings, the acrylic acid modified emulsion described in every 20-40 weight part, also adds 0.4-1 weight part water-based thickening material.
In described water-borne coatings, the acrylic acid modified emulsion described in every 20-40 weight part, also adds 0.3-0.7 weight part water-based ultraviolet absorbers.
In described water-borne coatings, the acrylic acid modified emulsion described in every 20-40 weight part, also adds 35.3-41.1 parts by weight of deionized water.
Anticorrosive pigment/filler is a kind of or any several mixture in zinc phosphate, aluminium triphosphate, iron mica, carbon black, titanium dioxide or barium sulfate.Water-based wetting dispersing agent is selected from surfynol FS-85, the surfynol PSA-336 of commercially available US Air gasification work or any one in surfynol 104BC.Water-based defoamer is selected from the sub-Rhodoline DF691 in commercially available French sieve ground or any one in Rhodoline DF681F.Water-based flow agent is selected from BYK-333, the BYK-381 of commercially available German Bi Ke or any one in BYK-388.Water-based thickener is selected from commercially available Shanghai and forever grinds any one in the LM-276 of chemical industry, LT-935 or LM-901.Aquosity ultraviolet light absorption agent is selected from the Tinuvin5151 of commercially available BASF AG or any one in Tinuvin326.
The present invention also comprises the preparation method of the high weather-proof water-borne coatings of a kind of high salt fog:
By 4-6 weight part chlorinated polyvinyl chloride, 1-2 parts by weight of acrylic acid, 2-2.4 parts by weight of acrylic acid hydroxyl ethyl ester, 4.5-5.5 parts by weight of methylmethacrylate, 7.2-10 parts by weight of styrene, 0.4-0.8 weight part Diisopropyl azodicarboxylate mixes and obtains mixed solution a, stand-by;
By 2-5 parts by weight of acrylic acid ten difluoro heptyl esters, 1.5-3.5 parts by weight of acrylic acid ten trifluoro monooctyl esters, 3-5 parts by weight of ethylene base Trimethoxy silane, 2.5-3.5 parts by weight of acrylic acid, 3.8-4.4 parts by weight of acrylic acid hydroxyl ethyl ester, 1-2 parts by weight of methylmethacrylate, the different monooctyl ester of 8-11.4 parts by weight of acrylic acid, 0.4-0.8 weight part Diisopropyl azodicarboxylate mixes and obtains mixed solution b, stand-by;
The Diisopropyl azodicarboxylate of 0.2-0.4 weight part and 2-4 weight part methyl iso-butyl ketone (MIBK) are mixed and obtain mixed solution c, stand-by;
By 9-15 weight part isopropylcarbinol, 4-8 weight part ethylene glycol monobutyl ether adds in the reaction vessel with agitator and prolong, logical nitrogen, be warmed up to 85 ℃, start to drip mixed solution a, within 1.5 hours, drip off rear insulation half an hour, start to drip mixed solution b, within 2 hours, drip, then be incubated half an hour, then drip mixed solution c, drip off half an hour, then be warmed up to 90 ℃, be incubated 2 hours, then cool to 45 ℃, start to add 1.5-2.5 weight part methyl monoethanolamine, stir 0.5 hour, then add 20-30 parts by weight of deionized water, stir 1 hour, filter discharging, obtain the described high weather-proof acrylic acid modified emulsion of the high salt fog with nucleocapsid structure.
Returning method also further comprises following steps: by adding in grinding pot together with the deionized water of the water-based wetting dispersing agent of 0.4-1 weight part and 35.3-41.1 weight part, stir, the water-based defoamer that adds again 0.4-1 weight part, stir 5 minutes, add again 16-38 weight part anticorrosive pigment/filler high speed sand milling 2 hours, to fineness≤15 μ m, then add 0.8-2 weight part water-based flow agent, 20-40 weight part has the high weather-proof acrylic acid modified emulsion of high salt fog of nucleocapsid structure, 0.4-1 weight part water-based thickening material and 0.3-0.7 weight part water-based ultraviolet absorbers, after stirring, filter discharging, obtain the high weather-proof water-borne coatings of described high salt fog.
The beneficial effect of the high weather-proof water-borne coatings of high salt fog of the present invention is: this coating is aqueous one-component coating, is very excellent bottom surface integration type coating, coating Air drying after application, and application is convenient, uses environmental protection, safety, this coating filmogen adopts the high weather-proof acrylic acid modified emulsion of high salt fog with nucleocapsid structure, stratum nucleare is the acrylic resin of chlorinated polyvinyl chloride modification, second-order transition temperature is high, hardness is large, there is very excellent Corrosion Protection, shell is the acrylic resin of fluorine silicon modification, second-order transition temperature is low, snappiness is good, there is very excellent weathering resistance, by the snappiness parcel stratum nucleare of shell in film process, improve the compactness of coating, stop the intrusion of corrosives, utilize the surface tension of fluorine silicon resin low simultaneously, good weatherability, be gathered in coatingsurface, improve the weathering resistance of coating.This appearance of coat smooth, good leveling property, has preferably mechanical property, hardness is H, shock strength is 50Kg.cm, and sticking power is 0 grade, has very excellent weather resistance, through 2500 hours QUV weathering tests, loss of gloss rate≤15%, Δ E≤1.5 also have good erosion resistance simultaneously, salt fog resistance reaches 1000 hours, unidirectional corrosion width≤2mm.
[embodiment]
Below principle of the present invention and feature are described, example, only for explaining the present invention, is not intended to limit scope of the present invention.
Embodiment 1
1) the high weather-proof acrylic acid modified emulsion formula of high salt fog described in nucleocapsid structure:
By 6 weight part chlorinated polyvinyl chloride, 2 parts by weight of acrylic acid, 2.4 parts by weight of acrylic acid hydroxyl ethyl esters, 5.5 parts by weight of methylmethacrylate, 10 parts by weight of styrene, 0.8 weight part Diisopropyl azodicarboxylate mixes and obtains mixed solution a, stand-by;
By 5 parts by weight of acrylic acid ten difluoro heptyl esters, 3.5 parts by weight of acrylic acid ten trifluoro monooctyl esters, 5 parts by weight of ethylene base Trimethoxy silanes, 3.5 parts by weight of acrylic acid, 4.4 parts by weight of acrylic acid hydroxyl ethyl esters, 2 parts by weight of methylmethacrylate, the different monooctyl ester of 11.4 parts by weight of acrylic acid, 0.8 weight part Diisopropyl azodicarboxylate mixes and obtains mixed solution b, stand-by;
The Diisopropyl azodicarboxylate of 0.4 weight part and 2 weight part methyl iso-butyl ketone (MIBK) are mixed and obtain mixed solution c, stand-by;
By 9 weight part isopropylcarbinols, 4 weight part ethylene glycol monobutyl ethers add in the reaction vessel with agitator and prolong, logical nitrogen, be warmed up to 85 ℃, start to drip mixed solution a, within 1.5 hours, drip off rear insulation half an hour, start to drip mixed solution b, within 2 hours, drip, then be incubated half an hour, then drip mixed solution c, drip off half an hour, then be warmed up to 90 ℃, be incubated 2 hours, then cool to 45 ℃, start to add 2.5 weight part methyl monoethanolamines, stir 0.5 hour, then add 20 parts by weight of deionized water, stir 1 hour, filter discharging, obtain the described high weather-proof acrylic acid modified emulsion of the high salt fog with nucleocapsid structure.
2) the high weather-proof water-borne coatings formula of described high salt fog
By formula ratio, water-based wetting dispersing agent surfynol PSA-336 is added in grinding pot and stirred together with deionized water, add again water-based defoamer Rhodoline DF681F, stir 5 minutes, add again anticorrosive pigment/filler zinc phosphate, aluminium triphosphate, carbon black and barium sulfate high speed sand milling 2 hours, to fineness≤15 μ m, then add water-based flow agent BYK-388, the high weather-proof acrylic acid modified emulsion of high salt fog, water-based thickener LM-276 and aquosity ultraviolet light absorption agent Tinuvin326, after stirring, filter discharging, obtain the high weather-proof water-borne coatings of described high salt fog.
Embodiment 2
1) the high weather-proof acrylic acid modified emulsion formula of high salt fog described in nucleocapsid structure:
By 5 weight part chlorinated polyvinyl chloride, 1.5 parts by weight of acrylic acid, 2.2 parts by weight of acrylic acid hydroxyl ethyl esters, 5 parts by weight of methylmethacrylate, 8.6 parts by weight of styrene, 0.6 weight part Diisopropyl azodicarboxylate mixes and obtains mixed solution a, stand-by;
By 3.5 parts by weight of acrylic acid ten difluoro heptyl esters, 2.5 parts by weight of acrylic acid ten trifluoro monooctyl esters, 4 parts by weight of ethylene base Trimethoxy silanes, 3 parts by weight of acrylic acid, 4.1 parts by weight of acrylic acid hydroxyl ethyl esters, 1.5 parts by weight of methylmethacrylate, the different monooctyl ester of 9.7 parts by weight of acrylic acid, 0.6 weight part Diisopropyl azodicarboxylate mixes and obtains mixed solution b, stand-by;
The Diisopropyl azodicarboxylate of 0.3 weight part and 3 weight part methyl iso-butyl ketone (MIBK) are mixed and obtain mixed solution c, stand-by;
By 12 weight part isopropylcarbinols, 6 weight part ethylene glycol monobutyl ethers add in the reaction vessel with agitator and prolong, logical nitrogen, be warmed up to 85 ℃, start to drip mixed solution a, within 1.5 hours, drip off rear insulation half an hour, start to drip mixed solution b, within 2 hours, drip, then be incubated half an hour, then drip mixed solution c, drip off half an hour, then be warmed up to 90 ℃, be incubated 2 hours, then cool to 45 ℃, start to add 2 weight part methyl monoethanolamines, stir 0.5 hour, then add 25 parts by weight of deionized water, stir 1 hour, filter discharging, obtain the described high weather-proof acrylic acid modified emulsion of the high salt fog with nucleocapsid structure.
2) the high weather-proof water-borne coatings formula of described high salt fog
By formula ratio, water-based wetting dispersing agent surfynol FS-85 is added in grinding pot and stirred together with deionized water, add again water-based defoamer Rhodoline DF691, stir 5 minutes, add again anticorrosive pigment/filler aluminium triphosphate, iron mica, carbon black and titanium dioxide high speed sand milling 2 hours, to fineness≤15 μ m, then add water-based flow agent BYK-381, the high weather-proof acrylic acid modified emulsion of high salt fog, water-based thickener LM-901 and aquosity ultraviolet light absorption agent Tinuvin5151, after stirring, filter discharging, obtain the high weather-proof water-borne coatings of described high salt fog.
Embodiment 3
1) the high weather-proof acrylic acid modified emulsion formula of high salt fog described in nucleocapsid structure:
By 4 weight part chlorinated polyvinyl chloride, 1 parts by weight of acrylic acid, 2 parts by weight of acrylic acid hydroxyl ethyl esters, 4.5 parts by weight of methylmethacrylate, 7.2 parts by weight of styrene, 0.4 weight part Diisopropyl azodicarboxylate mixes and obtains mixed solution a, stand-by;
By 2 parts by weight of acrylic acid ten difluoro heptyl esters, 1.5 parts by weight of acrylic acid ten trifluoro monooctyl esters, 3 parts by weight of ethylene base Trimethoxy silanes, 2.5 parts by weight of acrylic acid, 3.8 parts by weight of acrylic acid hydroxyl ethyl esters, 1 parts by weight of methylmethacrylate, the different monooctyl ester of 8 parts by weight of acrylic acid, 0.4 weight part Diisopropyl azodicarboxylate mixes and obtains mixed solution b, stand-by;
The Diisopropyl azodicarboxylate of 0.2 weight part and 4 weight part methyl iso-butyl ketone (MIBK) are mixed and obtain mixed solution c, stand-by;
By 15 weight part isopropylcarbinols, 8 weight part ethylene glycol monobutyl ethers add in the reaction vessel with agitator and prolong, logical nitrogen, be warmed up to 85 ℃, start to drip mixed solution a, within 1.5 hours, drip off rear insulation half an hour, start to drip mixed solution b, within 2 hours, drip, then be incubated half an hour, then drip mixed solution c, drip off half an hour, then be warmed up to 90 ℃, be incubated 2 hours, then cool to 45 ℃, start to add 1.5 weight part methyl monoethanolamines, stir 0.5 hour, then add 30 parts by weight of deionized water, stir 1 hour, filter discharging, obtain the described high weather-proof acrylic acid modified emulsion of the high salt fog with nucleocapsid structure.
2) the high weather-proof water-borne coatings formula of described high salt fog
By formula ratio, water-based wetting dispersing agent surfynol 104BC is added in grinding pot and stirred together with deionized water, add again water-based defoamer Rhodoline DF691, stir 5 minutes, add again anticorrosive pigment/filler zinc phosphate, iron mica, titanium dioxide and barium sulfate high speed sand milling 2 hours, to fineness≤15 μ m, then add water-based flow agent BYK-333, the high weather-proof acrylic acid modified emulsion of high salt fog, water-based thickener LT-935 and aquosity ultraviolet light absorption agent Tinuvin326, after stirring, filter discharging, obtain the high weather-proof water-borne coatings of described high salt fog.
The high weather-proof water-borne coatings of a kind of high salt fog that above-described embodiment 1-3 is made carries out making sheet test, the water-borne coatings in spraying embodiment, and thickness is 20-25um, room temperature is placed test sample plate technical indicator after 7 days.
The key technical indexes of model is as following table:
| Project | Performance | Inspecting standard |
| Outward appearance | Smooth, levelling is good | HG/T3952-2007 |
| Sticking power | 0 grade | GB/T9286 |
| Hardness | ≥H | GB/T6739 |
| Shock strength | 50Kg/cm | GB/T1732 |
| Salt fog resistance | The unidirectional corrosion width≤2mm of >=1000h | GB/T1771 |
| Weathering resistance | >=2500h loss of gloss rate≤15%, Δ E≤1.5 | GB/T1865-97QUV-A method |
Thereby the high weather-proof water-borne coatings of a kind of high salt fog that makes of the present invention, Air drying after application, appearance of coat smooth, good leveling property, has preferably mechanical property, has very excellent weather resistance,, also there is very excellent weather resistance and good erosion resistance simultaneously.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. the high weather-proof water-borne coatings of high salt fog with nucleocapsid structure, it is characterized in that mainly comprising acrylic acid modified emulsion, described acrylic acid modified emulsion is by 9-15 weight part isopropylcarbinol, 4-8 weight part ethylene glycol monobutyl ether, 2-4 weight part methyl iso-butyl ketone (MIBK), 4-6 weight part chlorinated polyvinyl chloride, 2-5 parts by weight of acrylic acid ten difluoro heptyl esters, 1.5-3.5 parts by weight of acrylic acid ten trifluoro monooctyl esters, 3-5 parts by weight of ethylene base Trimethoxy silane, 3.5-5.5 parts by weight of acrylic acid, 5.5-7.5 parts by weight of methylmethacrylate, 5.8-6.6 parts by weight of acrylic acid hydroxyl ethyl ester, 7.2-10 parts by weight of styrene, the different monooctyl ester of 8-11.4 parts by weight of acrylic acid, 1-2 weight part Diisopropyl azodicarboxylate, 1.5-2.5 weight part methyl monoethanolamine, 20-30 parts by weight of deionized water forms.
2. the high weather-proof water-borne coatings of high salt fog with nucleocapsid structure as claimed in claim 1, is characterized in that in described water-borne coatings, and the acrylic acid modified emulsion described in every 20-40 weight part, also adds 16-38 weight part anticorrosive pigment/filler.
3. the high weather-proof water-borne coatings of high salt fog with nucleocapsid structure as claimed in claim 1, is characterized in that in described water-borne coatings, and the acrylic acid modified emulsion described in every 20-40 weight part, also adds 1-2 weight part water-based wetting dispersing agent.
4. the high weather-proof water-borne coatings of high salt fog with nucleocapsid structure as claimed in claim 1, is characterized in that in described water-borne coatings, and the acrylic acid modified emulsion described in every 20-40 weight part, also adds 0.4-1 weight part water-based defoamer.
5. the high weather-proof water-borne coatings of high salt fog with nucleocapsid structure as claimed in claim 1, is characterized in that in described water-borne coatings, and the acrylic acid modified emulsion described in every 20-40 weight part, also adds 0.8-2 weight part water-based flow agent.
6. the high weather-proof water-borne coatings of high salt fog with nucleocapsid structure as claimed in claim 1, is characterized in that in described water-borne coatings, and the acrylic acid modified emulsion described in every 20-40 weight part, also adds 0.4-1 weight part water-based thickening material.
7. the high weather-proof water-borne coatings of high salt fog with nucleocapsid structure as claimed in claim 1, is characterized in that in described water-borne coatings, and the acrylic acid modified emulsion described in every 20-40 weight part, also adds 0.3-0.7 weight part water-based ultraviolet absorbers.
8. the high weather-proof water-borne coatings of high salt fog with nucleocapsid structure as claimed in claim 1, is characterized in that in described water-borne coatings, and the acrylic acid modified emulsion described in every 20-40 weight part, also adds 35.3-41.1 parts by weight of deionized water.
9. the preparation method of the high weather-proof water-borne coatings of one kind high salt fog, it is characterized in that, by 4-6 weight part chlorinated polyvinyl chloride, 1-2 parts by weight of acrylic acid, 2-2.4 parts by weight of acrylic acid hydroxyl ethyl ester, 4.5-5.5 parts by weight of methylmethacrylate, 7.2-10 parts by weight of styrene, 0.4-0.8 weight part Diisopropyl azodicarboxylate mixes and obtains mixed solution a, stand-by;
By 2-5 parts by weight of acrylic acid ten difluoro heptyl esters, 1.5-3.5 parts by weight of acrylic acid ten trifluoro monooctyl esters, 3-5 parts by weight of ethylene base Trimethoxy silane, 2.5-3.5 parts by weight of acrylic acid, 3.8-4.4 parts by weight of acrylic acid hydroxyl ethyl ester, 1-2 parts by weight of methylmethacrylate, the different monooctyl ester of 8-11.4 parts by weight of acrylic acid, 0.4-0.8 weight part Diisopropyl azodicarboxylate mixes and obtains mixed solution b, stand-by;
The Diisopropyl azodicarboxylate of 0.2-0.4 weight part and 2-4 weight part methyl iso-butyl ketone (MIBK) are mixed and obtain mixed solution c, stand-by;
By 9-15 weight part isopropylcarbinol, 4-8 weight part ethylene glycol monobutyl ether adds in the reaction vessel with agitator and prolong, logical nitrogen, be warmed up to 85 ℃, start to drip mixed solution a, within 1.5 hours, drip off rear insulation half an hour, start to drip mixed solution b, within 2 hours, drip, then be incubated half an hour, then drip mixed solution c, drip off half an hour, then be warmed up to 90 ℃, be incubated 2 hours, then cool to 45 ℃, start to add 1.5-2.5 weight part methyl monoethanolamine, stir 0.5 hour, then add 20-30 parts by weight of deionized water, stir 1 hour, filter discharging, obtain the described high weather-proof acrylic acid modified emulsion of the high salt fog with nucleocapsid structure.
10. the preparation method of the high weather-proof water-borne coatings of high salt fog as claimed in claim 9, characterized by further comprising: by adding in grinding pot together with the deionized water of the water-based wetting dispersing agent of 0.4-1 weight part and 35.3-41.1 weight part, stir, the water-based defoamer that adds again 0.4-1 weight part, stir 5 minutes, add again 16-38 weight part anticorrosive pigment/filler high speed sand milling 2 hours, to fineness≤15 μ m, then add 0.8-2 weight part water-based flow agent, 20-40 weight part has the high weather-proof acrylic acid modified emulsion of high salt fog of nucleocapsid structure, 0.4-1 weight part water-based thickening material and 0.3-0.7 weight part water-based ultraviolet absorbers, after stirring, filter discharging, obtain the high weather-proof water-borne coatings of described high salt fog.
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Address after: No.158, Huiping Road, Nanxiang Town, Jiading District, Shanghai, 201802 Patentee after: HLS COATING (SHANGHAI) Co.,Ltd. Patentee after: Hollyson Chemical Technology (Jiangsu) Co., Ltd Address before: No.158, Huiping Road, Nanxiang Town, Jiading District, Shanghai, 201802 Patentee before: HLS COATING (SHANGHAI) Co.,Ltd. Patentee before: Hollyson Chemical Technology Jiangsu Co., Ltd |