CN102702871A - Water-based paint and preparation method thereof - Google Patents
Water-based paint and preparation method thereof Download PDFInfo
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- CN102702871A CN102702871A CN2012101800024A CN201210180002A CN102702871A CN 102702871 A CN102702871 A CN 102702871A CN 2012101800024 A CN2012101800024 A CN 2012101800024A CN 201210180002 A CN201210180002 A CN 201210180002A CN 102702871 A CN102702871 A CN 102702871A
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Abstract
The invention relates to water-based paint, which comprises the following raw materials by part by weight: 52 to 55 parts of water, 0.5 to 0.7 part of sodium dodecyl sulfate, 30 to 70 parts of emulsion or aqueous dispersoid resin, 0.8 to 1 part of ammonia water, 0.1 to 0.2 part of defoamer, 0.05 to 0.1 part of sodium acetate, 0.5 to 5 parts of germicide, 0.1 to 1 part of corrosion inhibitor and 0.1 to 0.2 part of potassium peroxydisulfate. The invention further provides a preparation method for the water-based paint. The water-based paint is non-poisonous and harmless and causes little pollution to the environment. A coating formed by applying the water-based paint has high brightness and excellent firmness and resistance to crack, is hard to a certain extent, contains few VOCs and no heavy metal and have the functions of antibiosis and both mold and rust prevention. Therefore, the water-based paint is environmentally friendly and safe.
Description
Technical field
The present invention relates to a kind of water-borne coatings, specifically, relate to a kind of low VOC, heavy metal free, have water-borne coatings of antibiotic, mildew-resistant, antirust function and preparation method thereof.
Background technology
Coating comprises water-borne coatings and solvent based coating; Though the coating that some oil paint coating back forms can satisfy the requirement of high brightness and follow-up quick gold stamping processing; But can volatilize more objectionable impurities in the use; Environmental pollution is big, can't reach environmental requirement (particularly the organic volatile of tobacco bale industry limit the quantity of requirement), and cost is higher.
Water-borne coatings is to be the coating of solvent with water mainly.Water-borne coatings has a lot of advantages such as water-borne coatings with water as solvent, saves ample resources; Fire hazard when water-borne coatings has been eliminated construction; Reduced topsoil; Water-borne coatings only adopts a small amount of hypotoxicity alcohol ethers organic solvent, has improved operating environmental condition.General water-borne coatings organic solvent (accounting for coating) is between 10%～15%, and present cathode electrophoresis dope has been reduced to below 1.2%, and is remarkable to reducing pollution saving resource impact; The water-borne coatings coating tool can wash by water, and significantly reduces the consumption of cleaning solvent.But also there is poor durability in water-borne coatings, and envrionment conditions (temperature, humidity) is required than shortcomings such as strictnesses.And wherein also can produce certain influence to human body for improving the employed a small amount of organism of film forming properties.Along with people's is to the pay attention to day by day of environment protection, and the objectionable impurities that also requires coating in use to volatilize is few as far as possible, even does not volatilize objectionable impurities, compliance with environmental protection requirements.
Disclose a kind of environment friendly antibacterial waterborne paint and preparation method thereof as 2008100656015.1, component comprises deionized water, sterilant, film coalescence aid, skimmer, wetting agent, dispersion agent, nano TiO 2, emulsion or water dispersion resin, filler, anti-settling agent, flow agent, thickening material, PH regulator, scratching resistant or slip(ping)agent, pigment or tinting material, special function additive etc.The preparation method comprises: A, preparation aqueous dispersion; In B, the emulsion that add to stir the aqueous dispersion of steps A gained, it is even to add film coalescence aid, flow agent, thickening material, anti-settling agent, PH regulator dispersed with stirring again; C, adding pigment or tinting material; D, moisturizing and when being adjusted to 25 ℃ stormer viscosity be that 65～90KU must this water-borne coatings.Water-borne coatings provided by the invention is good to wood materials sticking power, and paint film is plentiful, have certain degree of hardness, and low VOC, heavy metal free have antibiotic, antimildew function, belong to children's woodwork water-borne coatings of Environmental Safety.
Disclose a kind of water-borne coatings like 201010284309x, processed: water 52～55%, sodium laurylsulfonate 0.5～0.7%, TEB 3K 20～25% by following weight percentages; Bing Xisuandingzhi 3～4.5%, Isooctyl acrylate monomer 0～2%, vinylformic acid 1～1.5%; NSC 20956 10～15%, n-butyl maleate 1～2%, Hydroxyethyl acrylate 0.6～1%; Methylene-succinic acid 0.4～1%, ammoniacal liquor 0.8～1%, skimmer 0.1～0.2%; Sodium acetate 0.05～0.1%, sanitas 0.1～0.2%, Potassium Persulphate 0.1～0.2%.The present invention also provides a kind of preparation method of above-mentioned water-borne coatings.Water-borne coatings of the present invention is nontoxic, and environmental pollution is little; Not only luminance brightness is high, tough and tensile, anti-spalling is outstanding for the coating that the coating back forms, and properties for follow is splendid, can carry out gold stamping processing quickly and efficiently, and bronzing effect is good.
Summary of the invention
Technical problem to be solved by this invention is for the water-borne coatings industry provides a kind of more selection, and water-borne coatings provided by the present invention is nontoxic simultaneously, and environmental pollution is little; Not only luminance brightness is high, tough and tensile, anti-spalling is outstanding for the coating that coating back forms, and has certain degree of hardness, hangs down VOC, heavy metal free, has antibiotic, mildew-resistant, antirust function, belongs to the water-borne coatings of Environmental Safety.
Water-borne coatings provided by the present invention is processed by the raw material of following weight parts: 52～55 parts in water, 0.5～0.7 part of sodium laurylsulfonate, 30 ~ 70 parts of emulsion or water dispersion resins; 0.8～1 part of ammoniacal liquor; 0.1～0.2 part of skimmer, 0.05～0.1 part of sodium acetate, 0.5～5 part in sterilant; 0.1 ~ 1 part of inhibiter, 0.1～0.2 part of Potassium Persulphate.
Wherein used raw water is preferably deionized water.Above-mentioned sodium laurylsulfonate is as emulsifying agent.Above-mentioned Potassium Persulphate can reduce activation energy as catalyzer, promotes polyreaction.
Above-mentioned sodium acetate can be adjusted the potential of hydrogen of emulsion as buffer reagent, guarantees the smoothness of elicitation procedure.
As optimal technical scheme, described emulsion or water dispersion resin are selected one or more the mixture in benzene emulsion, organosilicon crylic acid latex, vinyl resin or emulsion, urethane resin or emulsion, aqueous polyester resin or emulsion, epoxy water-base resin or the emulsion for use.It is not contain free monomer that emulsion or water dispersion resin are selected for use; Do not contain triphen, a kind of or its combination of the benzene emulsion of content≤65g/L of VOC, organosilicon crylic acid latex, vinyl resin or emulsion, urethane resin or emulsion, aqueous polyester resin or emulsion, epoxy water-base resin or emulsion.
Above-mentioned emulsion or water dispersion resin are under the emulsifying effect of sodium laurylsulfonate, and under the acting in conjunction of catalyzer Potassium Persulphate and buffer reagent sodium acetate, polymerization forms multipolymer.Solid thing composition in the water-borne coatings is exactly above-mentioned multipolymer.
As optimal technical scheme, the weight percent concentration of said ammoniacal liquor is 20-25%, and the weight percent concentration of further preferred ammoniacal liquor is 22%.Ammoniacal liquor plays neutralization and adjustment viscosity.
As optimal technical scheme, said skimmer is a kind of in mineral oil antifoam agent and the modified organic silicon skimmer or both miscellanys.Skimmer works the foamy effect of eliminating in the coating, guarantees the coating effect.Above-mentioned skimmer can be a kind of in mineral oil antifoam agent and the modified organic silicon skimmer (for example Germany's brand of producing is that the TEGO enlightening is high, model is the skimmer of TEGOFoamex 825, and its chemical constitution is the polysiloxane-polyether copolymer emulsion) or both miscellanys.
As optimal technical scheme, described sterilant is one or more a mixture of madribon, sulphamethazine, trimethoprim, dimethoxy Aminometradine.Sterilant is selected edible sulfa drugs for use, and this medicine uses in clinical medicine already, can reach minimum harm to human body.
As optimal technical scheme, described inhibiter is water-fast organic carboxyl acid salt compounds.Water-borne coatings is coated in the metallic surface, and the film forming initial stage, corrosion took place easily, so must add inhibiter; The corrosion process of metal in medium is made up of two conjugated electrochemical reactions, and these two electrochemical reactions are respectively anodic reaction and cathodic reaction; Can both suppress and inhibiter can suppress in anode, the cathodic reaction one or two, just can reduce corrosion speed; So inhibiter is claimed corrosion inhibitor again.
Select organic cpds class inhibiter among the present invention; More preferably, the inhibiter that is adopted is water-fast organic carboxyl acid salt compounds, is used for coating and can significantly improves its anti-rust property of dodging.
The not concrete restriction of pigment of the present invention can be adopted the commercially available various pigment that are applicable to water-borne coatings, and this is known to those skilled in the art.
One of the object of the invention also is to provide a kind of preparation method of water-borne coatings of the present invention, it is characterized in that comprising the steps:
(1) is equipped with water, sodium laurylsulfonate, emulsion or water dispersion resin, ammoniacal liquor, skimmer, sodium acetate, sterilant, inhibiter and Potassium Persulphate according to the above ratio; The moisture that is equipped with becomes three parts; First part's water is used for step (2); Second section water is used for step (3), and third part water is used for step (4), and first part's water accounts for the 45-50% of the water that is equipped with; Second section water accounts for the 1.5-5% of the water that is equipped with, and third part water accounts for the 45-50% of the water that is equipped with;
(2) first part's water is added in the preparatory emulsification still, and the sodium laurylsulfonate that step (1) is equipped with and emulsion or water dispersion resin add in the preparatory emulsification still, carry out preparatory emulsification then, obtain pre-emulsion;
(3) second section water is added in the dissolving vessel, and the Potassium Persulphate that step (1) is equipped with is added in the dissolving vessel, stir then, make the Potassium Persulphate dissolving, obtain potassium persulfate solution;
(4) third part water is dropped in the reaction kettle, and the sodium acetate that step (1) is equipped with is dropped in the reaction kettle, stir and be heated to 80 ℃ then;
(5) get pre-emulsion 1/10 and drop in the reaction kettle restir 10 minutes; Half of getting potassium persulfate solution that step (3) obtains then drops in reaction kettle, carries out initiation reaction; When falling after rise to 85 ℃ Deng the material temperature in the reaction kettle, in reaction kettle, drip remaining pre-emulsion and remaining potassium persulfate solution, dropping temperature is controlled at 85～90 ℃; Make the material in the reaction kettle be incubated 3 hours after dropwising, make the material cooling in the reaction kettle then;
(6) when the material temperature in the reaction kettle is reduced to 40 ℃, add skimmer, ammoniacal liquor, sterilant and inhibiter that step (1) is equipped with, and stir, obtain water-borne coatings.
Pre-emulsion with remainder in the preferred steps (5) synchronously, at the uniform velocity is added drop-wise in the reaction kettle with remaining potassium persulfate solution; More preferably in 150～180 minutes time with the pre-emulsion of remainder and remaining potassium persulfate solution synchronously, at the uniform velocity be added drop-wise in the reaction kettle.
Water-borne coatings of the present invention is nontoxic, and environmental pollution is little; Not only luminance brightness is high, tough and tensile, anti-spalling is outstanding for the coating that coating back forms, and has certain degree of hardness, hangs down VOC, heavy metal free, has antibiotic, mildew-resistant, antirust function, belongs to the water-borne coatings of Environmental Safety.
Embodiment
For ease of understanding the present invention, it is following that the present invention enumerates embodiment.Those skilled in the art should understand, and said embodiment only is used for helping to understand the present invention, should not be regarded as concrete restriction of the present invention.
Embodiment 1
The coating of processing by the raw material of following weight parts: 52 parts in water, 0.5 part of sodium laurylsulfonate, 30 parts of emulsion or water dispersion resins; 0.8 part of ammoniacal liquor; 0.2 part of skimmer (brand that Germany produces is that TEGO enlightening height, model are the skimmer of TEGOFoamex 825), 0.1 part of sodium acetate, 0.5 part in sterilant (madribon); 0.5 part of inhibiter, 0.1 part of Potassium Persulphate.
Prepare water-borne coatings by following step successively:
(1) presses embodiment 1 and be equipped with water, sodium laurylsulfonate, emulsion or water dispersion resin, ammoniacal liquor, skimmer; In the present embodiment, skimmer, sodium acetate, sterilant, inhibiter, Potassium Persulphate; The moisture that is equipped with becomes three parts, and first part's water is used for step (2), and second section water is used for step (3); Third part water is used for step (4); First part's water accounts for 45% of the water that is equipped with, and second section water accounts for 5% of the water that is equipped with, and third part water accounts for 50% of the water that is equipped with;
(2) first part's water is added in the preparatory emulsification still, and the emulsion that step (1) is equipped with or water dispersion resin and sodium laurylsulfonate add in the preparatory emulsification still, carry out preparatory emulsification then, obtain pre-emulsion;
(3) second section water is added in the dissolving vessel, and the Potassium Persulphate that step (1) is equipped with is added in the dissolving vessel, stir then, make the Potassium Persulphate dissolving, obtain potassium persulfate solution;
(4) third part water is dropped in the reaction kettle, and the sodium acetate that step (1) is equipped with is dropped in the reaction kettle, stir and be heated to 80 ℃ then;
(5) get the pre-emulsion total amount 1/10 and drop in the reaction kettle restir 10 minutes; Half of getting potassium persulfate solution that step (3) obtains then drops in reaction kettle, carries out initiation reaction (initiation reaction is carried out in the process, the material in the reaction kettle will rise to 88-92 ℃ automatically); When falling after rise to 85 ℃ Deng the material temperature in the reaction kettle, in reaction kettle, synchronously, at the uniform velocity drip remaining pre-emulsion and remaining potassium persulfate solution, dropping temperature is controlled at 85～90 ℃, in 150～180 minutes time, dropwises; Make the material in the reaction kettle be incubated 3 hours after dropwising, make the material cooling in the reaction kettle then;
(6) when the material temperature in the reaction kettle is reduced to 40 ℃, add skimmer, ammoniacal liquor and sanitas that step (1) is equipped with, and stir, obtain water-borne coatings.
Embodiment 2
The coating of processing by the raw material of following weight parts: 55 parts in water, 0.7 part of sodium laurylsulfonate, 70 parts of emulsion or water dispersion resins; 1 part of ammoniacal liquor; 0.1 part of skimmer (brand that Germany produces is that TEGO enlightening height, model are the skimmer of TEGOFoamex 825), 0.05 part of sodium acetate, 2.5 parts in sterilant (sulphamethazine); 1 part of inhibiter, 0.2 part of Potassium Persulphate.
Prepare water-borne coatings by following step successively:
Press embodiment 2 and be equipped with water, sodium laurylsulfonate, emulsion or water dispersion resin, ammoniacal liquor, skimmer; In the present embodiment, skimmer, sodium acetate, sterilant, inhibiter, Potassium Persulphate; The moisture that is equipped with becomes three parts, and first part's water is used for step (2), and second section water is used for step (3); Third part water is used for step (4); First part's water accounts for 48% of the water that is equipped with, and second section water accounts for 3% of the water that is equipped with, and third part water accounts for 49% of the water that is equipped with;
(2) first part's water is added in the preparatory emulsification still, and the emulsion that step (1) is equipped with or water dispersion resin and sodium laurylsulfonate add in the preparatory emulsification still, carry out preparatory emulsification then, obtain pre-emulsion;
(3) second section water is added in the dissolving vessel, and the Potassium Persulphate that step (1) is equipped with is added in the dissolving vessel, stir then, make the Potassium Persulphate dissolving, obtain potassium persulfate solution;
(4) third part water is dropped in the reaction kettle, and the sodium acetate that step (1) is equipped with is dropped in the reaction kettle, stir and be heated to 80 ℃ then;
(5) get account for the pre-emulsion total amount 1/10 and drop in the reaction kettle restir 10 minutes; Half of getting potassium persulfate solution that step (3) obtains then drops in reaction kettle, carries out initiation reaction (initiation reaction is carried out in the process, the material in the reaction kettle will rise to 88-92 ℃ automatically); When falling after rise to 85 ℃ Deng the material temperature in the reaction kettle, in reaction kettle, synchronously, at the uniform velocity drip remaining pre-emulsion and remaining potassium persulfate solution, dropping temperature is controlled at 85～90 ℃, in 150～180 minutes time, dropwises; Make the material in the reaction kettle be incubated 3 hours after dropwising, make the material cooling in the reaction kettle then;
(6) when the material temperature in the reaction kettle is reduced to 40 ℃, add skimmer, ammoniacal liquor and sanitas that step (1) is equipped with, and stir, obtain water-borne coatings.
Embodiment 3
The coating of processing by the raw material of following weight parts: 53 parts in water, 0.6 part of sodium laurylsulfonate, 50 parts of emulsion or water dispersion resins; 0.9 part of ammoniacal liquor; 0.15 part of skimmer (employing mineral oil antifoam agent), 0.07 part of sodium acetate, 5 parts in sterilant (trimethoprim); 0.1 part of inhibiter, 0.15 part of Potassium Persulphate.
Prepare water-borne coatings by following step successively:
Press embodiment 3 and be equipped with water, sodium laurylsulfonate, emulsion or water dispersion resin, ammoniacal liquor, skimmer; In the present embodiment, skimmer, sodium acetate, sterilant, inhibiter, Potassium Persulphate; The moisture that is equipped with becomes three parts, and first part's water is used for step (2), and second section water is used for step (3); Third part water is used for step (4); First part's water accounts for 50% of the water that is equipped with, and second section water accounts for 1.5% of the water that is equipped with, and third part water accounts for 48.5% of the water that is equipped with;
(2) first part's water is added in the preparatory emulsification still, and the emulsion that step (1) is equipped with or water dispersion resin and sodium laurylsulfonate add in the preparatory emulsification still, carry out preparatory emulsification then, obtain pre-emulsion;
(3) second section water is added in the dissolving vessel, and the Potassium Persulphate that step (1) is equipped with is added in the dissolving vessel, stir then, make the Potassium Persulphate dissolving, obtain potassium persulfate solution;
(4) third part water is dropped in the reaction kettle, and the sodium acetate that step (1) is equipped with is dropped in the reaction kettle, stir and be heated to 80 ℃ then;
(5) get account for the pre-emulsion total amount 1/10 and drop in the reaction kettle restir 10 minutes; Half of getting potassium persulfate solution that step (3) obtains then drops in reaction kettle, carries out initiation reaction (initiation reaction is carried out in the process, the material in the reaction kettle will rise to 88-92 ℃ automatically); When falling after rise to 85 ℃ Deng the material temperature in the reaction kettle, in reaction kettle, synchronously, at the uniform velocity drip remaining pre-emulsion and remaining potassium persulfate solution, dropping temperature is controlled at 85～90 ℃, in 150～180 minutes time, dropwises; Make the material in the reaction kettle be incubated 3 hours after dropwising, make the material cooling in the reaction kettle then;
(6) when the material temperature in the reaction kettle is reduced to 40 ℃, add skimmer, ammoniacal liquor and sanitas that step (1) is equipped with, and stir, obtain water-borne coatings.
Embodiment 4
The coating of processing by the raw material of following weight parts: 54 parts in water, 0.55 part of sodium laurylsulfonate, 60 parts of emulsion or water dispersion resins; 0.85 part of ammoniacal liquor; 0.14 part of skimmer (mineral oil antifoam agent), 0.06 part of sodium acetate, 3 parts in sterilant (dimethoxy Aminometradine); 0.8 part of inhibiter, 0.13 part of Potassium Persulphate.
The preparation method:
Press embodiment 4 and be equipped with water, sodium laurylsulfonate, emulsion or water dispersion resin, ammoniacal liquor, skimmer; In the present embodiment, skimmer, sodium acetate, sterilant, inhibiter, Potassium Persulphate; The moisture that is equipped with becomes three parts, and first part's water is used for step (2), and second section water is used for step (3); Third part water is used for step (4); First part's water accounts for 50% of the water that is equipped with, and second section water accounts for 5% of the water that is equipped with, and third part water accounts for 45% of the water that is equipped with;
(2) first part's water is added in the preparatory emulsification still, and the emulsion that step (1) is equipped with or water dispersion resin and sodium laurylsulfonate add in the preparatory emulsification still, carry out preparatory emulsification then, obtain pre-emulsion;
(3) second section water is added in the dissolving vessel, and the Potassium Persulphate that step (1) is equipped with is added in the dissolving vessel, stir then, make the Potassium Persulphate dissolving, obtain potassium persulfate solution;
(4) third part water is dropped in the reaction kettle, and the sodium acetate that step (1) is equipped with is dropped in the reaction kettle, stir and be heated to 80 ℃ then;
(5) get account for the pre-emulsion total amount 1/10 and drop in the reaction kettle restir 10 minutes; Half of getting potassium persulfate solution that step (3) obtains then drops in reaction kettle, carries out initiation reaction (initiation reaction is carried out in the process, the material in the reaction kettle will rise to 88-92 ℃ automatically); When falling after rise to 85 ℃ Deng the material temperature in the reaction kettle, in reaction kettle, synchronously, at the uniform velocity drip remaining pre-emulsion and remaining potassium persulfate solution, dropping temperature is controlled at 85～90 ℃, in 150～180 minutes time, dropwises; Make the material in the reaction kettle be incubated 3 hours after dropwising, make the material cooling in the reaction kettle then;
(6) when the material temperature in the reaction kettle is reduced to 40 ℃, add skimmer, ammoniacal liquor and sanitas that step (1) is equipped with, and stir, obtain water-borne coatings.
Four antibiotic detections of instance: select for use streptococcus aureus and intestinal bacteria to test, experimental result is following:
(1) embodiment 1 sample is attached on the watch-glass that scribbles streptococcus aureus, behind 24h, produces antibacterial circle diameter to be: 21～22mm; Sample is attached at and scribbles on the colibacillary watch-glass, behind 24h, produces antibacterial circle diameter to be: 22～23mm.
(2) embodiment 2 samples are attached on the watch-glass that scribbles streptococcus aureus, behind 24h, produce antibacterial circle diameter to be: 22～23mm; Sample is attached at and scribbles on the colibacillary watch-glass, behind 24h, produces antibacterial circle diameter to be: 25～26mm.
(3) embodiment 3 samples are attached on the watch-glass that scribbles streptococcus aureus, behind 24h, produce antibacterial circle diameter to be: 25～26mm; Sample is attached at and scribbles on the colibacillary watch-glass, behind 24h, produces antibacterial circle diameter to be: 27～28mm.
(4) embodiment 4 samples are attached on the watch-glass that scribbles streptococcus aureus, behind 24h, produce antibacterial circle diameter to be: 24～25mm; Sample is attached at and scribbles on the colibacillary watch-glass, behind 24h, produces antibacterial circle diameter to be: 25～26mm.
Coating of the present invention is carried out the detection of aspects such as VOC, heavy metal, antirust function by JG/T 210-2007, detected result is following:
Applicant's statement; The present invention explains detailed process equipment of the present invention and technical process through the foregoing description; But the present invention is not limited to above-mentioned detailed process equipment and technical process, does not mean that promptly the present invention must rely on above-mentioned detailed process equipment and technical process could be implemented.The person of ordinary skill in the field should understand, and to any improvement of the present invention, to the interpolation of the equivalence replacement of each raw material of product of the present invention and ancillary component, the selection of concrete mode etc., all drops within protection scope of the present invention and the open scope.
Claims (8)
1. a water-borne coatings is characterized in that being processed by the raw material of following weight parts: 52～55 parts in water, 0.5～0.7 part of sodium laurylsulfonate; 30 ~ 70 parts of emulsion or water dispersion resins, 0.8～1 part of ammoniacal liquor, 0.1～0.2 part of skimmer; 0.05～0.1 part of sodium acetate; 0.5～5 part in sterilant, 0.1 ~ 1 part of inhibiter, 0.1～0.2 part of Potassium Persulphate.
2. water-borne coatings according to claim 1 is characterized in that: described emulsion or water dispersion resin are selected one or more the mixture in benzene emulsion, organosilicon crylic acid latex, vinyl resin or emulsion, urethane resin or emulsion, aqueous polyester resin or emulsion, epoxy water-base resin or the emulsion for use.
3. water-borne coatings according to claim 1 is characterized in that, the weight percent concentration of said ammoniacal liquor is 20-25%.
4. water-borne coatings according to claim 2 is characterized in that, the weight percent concentration of said ammoniacal liquor is 22%.
5. water-borne coatings according to claim 1 is characterized in that: said skimmer is a kind of in mineral oil antifoam agent and the modified organic silicon skimmer or both miscellanys.
6. water-borne coatings according to claim 1 is characterized in that, described sterilant is one or more a mixture of madribon, sulphamethazine, trimethoprim, dimethoxy Aminometradine.
7. water-borne coatings according to claim 1 is characterized in that, described inhibiter is water-fast organic carboxyl acid salt compounds.
8. the preparation method of each described water-borne coatings of claim 1 ~ 7 is characterized in that comprising the steps:
(1) is equipped with water, sodium laurylsulfonate, emulsion or water dispersion resin, ammoniacal liquor, skimmer, sodium acetate, sterilant, inhibiter and Potassium Persulphate according to the above ratio; The moisture that is equipped with becomes three parts; First part's water is used for step (2); Second section water is used for step (3), and third part water is used for step (4), and first part's water accounts for the 45-50% of the water that is equipped with; Second section water accounts for the 1.5-5% of the water that is equipped with, and third part water accounts for the 45-50% of the water that is equipped with;
(2) first part's water is added in the preparatory emulsification still, and the sodium laurylsulfonate that step (1) is equipped with and emulsion or water dispersion resin add in the preparatory emulsification still, carry out preparatory emulsification then, obtain pre-emulsion;
(3) second section water is added in the dissolving vessel, and the Potassium Persulphate that step (1) is equipped with is added in the dissolving vessel, stir then, make the Potassium Persulphate dissolving, obtain potassium persulfate solution;
(4) third part water is dropped in the reaction kettle, and the sodium acetate that step (1) is equipped with is dropped in the reaction kettle, stir and be heated to 80 ℃ then;
(5) get pre-emulsion 1/10 and drop in the reaction kettle restir 10 minutes; Half of getting potassium persulfate solution that step (3) obtains then drops in reaction kettle, carries out initiation reaction; When falling after rise to 85 ℃ Deng the material temperature in the reaction kettle, in reaction kettle, drip remaining pre-emulsion and remaining potassium persulfate solution, dropping temperature is controlled at 85～90 ℃; Make the material in the reaction kettle be incubated 3 hours after dropwising, make the material cooling in the reaction kettle then;
(6) when the material temperature in the reaction kettle is reduced to 40 ℃, add skimmer, ammoniacal liquor, sterilant and inhibiter that step (1) is equipped with, and stir, obtain water-borne coatings.
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| CN108189576A (en) * | 2017-12-18 | 2018-06-22 | 星光印刷（苏州）有限公司 | A kind of gilding technology |
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| CN101942256A (en) * | 2010-09-11 | 2011-01-12 | 汕头市鑫源化工有限公司 | Water-based coating and preparation method thereof |
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| WO2014056184A1 (en) * | 2012-10-12 | 2014-04-17 | Dow Global Technologies Llc | Aqueous coating composition with improved viscosity stability |
| CN104704068A (en) * | 2012-10-12 | 2015-06-10 | 陶氏环球技术有限公司 | Aqueous coating composition with improved viscosity stability |
| US9816002B2 (en) | 2012-10-12 | 2017-11-14 | Dow Global Technologies Llc | Aqueous coating composition with improved viscosity stability |
| CN104449094A (en) * | 2014-09-25 | 2015-03-25 | 阜南县永盛工艺品有限公司 | Wicker coating |
| CN104559660A (en) * | 2014-12-25 | 2015-04-29 | 上海海隆石油化工研究所 | Water-based paint for steel tube external protection and preparation method of water-based paint |
| CN106366785A (en) * | 2016-08-31 | 2017-02-01 | 苏州梵荣特种集装箱有限公司 | Photovoltaic inversion electrical cabinet |
| CN107903744A (en) * | 2017-12-12 | 2018-04-13 | 佛山早稻田科技服务有限公司 | A kind of environment friendly emulsion paint |
| CN108189576A (en) * | 2017-12-18 | 2018-06-22 | 星光印刷（苏州）有限公司 | A kind of gilding technology |
| CN108441098A (en) * | 2018-03-30 | 2018-08-24 | 天长市巨龙车船涂料有限公司 | A kind of antibacterial and mouldproof aqueous polyurethane coating |
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Application publication date: 20121003 |