CN104672959A - Nano ceramic micro-coating anticorrosive coating solution and preparation method thereof - Google Patents
Nano ceramic micro-coating anticorrosive coating solution and preparation method thereof Download PDFInfo
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- CN104672959A CN104672959A CN201510073894.1A CN201510073894A CN104672959A CN 104672959 A CN104672959 A CN 104672959A CN 201510073894 A CN201510073894 A CN 201510073894A CN 104672959 A CN104672959 A CN 104672959A
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- masking liquid
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Abstract
The invention discloses a nano ceramic micro-coating anticorrosive coating solution which is formed by mixing a component A and a component B in a mass ratio of 1:0.6-1:1. The component A comprises 40-50% of aluminum-zinc alloy sheet, 31.8-55% of high-boiling-point organic alcohol solvent, 1.0-1.9% of non-ionic surfactant, 0.3-1.2% of dispersing agent and 1-2% of nano silicon dioxide. The component B comprises 10-25% of mixed organic alcohol, 16-24% of adhesive, 1-1.5% of corrosion inhibitor, 0.5-1% of pH regulator and the balance of deionized water. The nano ceramic micro-coating anticorrosive coating solution disclosed by the invention is free of chromium and other heavy metals, such as Cd, Hg and Pb. The nano ceramic micro-coating anticorrosive coating solution is a water-based environment-friendly paint with high corrosion resistance. The neutral salt fog resistance is greater than 720 hours, and the corrosion resistance is higher than that of the chromium-containing paint.
Description
Technical field
The present invention relates to protective system field, particularly relate to the micro-coating antiseptic masking liquid of a kind of nano ceramics.
Background technology
Non-electrolytic zinc-chromium coating (hereinafter referred to as zinc-chromium coating) at present popular is conducive to environmental protection both at home and abroad, makes metallic surface have a kind of novel protective system of high antiseptic power.Its antiseptic principle adopts the Cr in chromic salts
6+come the zinc in passivation coatings, aluminium flake, improve the self-preserving ability of zinc, aluminium flake, through 300 DEG C of bakings, redox reaction forms amorphous nGr
2o
3mGrO
3composite salt, and zinc-aluminium lamella is folded covers metallic surface, to make under the thickness film layer condition only having 6 ~ 8 μm, just can under neutral salt spray 500h condition, matrix does not produce red rust.Simultaneously it is also with or without hydrogen embrittlement, the advantage that can be combined with multiple plating, the rete that is coated with kind.But, containing Cr in zinc-chromium coating
6+and Cr
3+, and Cr
6+be a kind of carcinogenic substance of heavily contaminated, although the technological operation of zinc-chromium coating, be a totally enclosed process, coating does not discharge, and can strictly control, the container that coating uses, the waste liquid of minute quantity, when miscarriage, still has the danger of contaminate environment.Therefore thoroughly stop to use Cr
6+zinc in passivation coatings, aluminium flake, imperative.
Summary of the invention
The present invention is in order to overcome the deficiency of above-mentioned technical problem; provide the micro-coating antiseptic masking liquid of a kind of nano ceramics; this masking liquid replaces traditional zinc powder with aluminium zinc sheet; aluminium powder is composite; add nano silicon more anticorrosion to improve; and adopt the butyl silicate compounds of the metatitanic acid isopropyl compounds of modification and modification as binding agent, reach coat-thickness at the coating formation efficient corrosion resisting electro-chemical protection rete of 6 ~ 12 μm.
The technical scheme solved the problems of the technologies described above is as follows:
The micro-coating antiseptic masking liquid of a kind of nano ceramics, this masking liquid by A, B two component mix according to 1:0.6 ~ 1:1 mass ratio, be preferably 1:0.8; Wherein: described component A comprises by mass percentage:
All the other are deionized water.
Further, in the aluminium zinc sheet described in component A, the accounting of zinc-aluminium is 7:3, and the fineness of aluminium zinc sheet is 5 ~ 30 μm, and shape is sheet, and sheet is thick is 0.2 ~ 0.5 μm.
Further, any one or mixtures several arbitrarily in the polyoxyethylene glycol that the high boiling organic alcohol solvent described in component A is glycerol, molecular weight is 200 ~ 400, dipropylene glycol, Diethylene Glycol, Triethylene glycol.
Further, the nonionic surface active agent described in component A be in isomery undecyl alcohol Soxylat A 25-7, isomerous tridecanol polyoxyethylene ether or alkylphenol polyoxyethylene any one.
Further, the dispersion agent described in component A is two amber ester sulfonate sodium or Zinic stearas.
Further, the nano silicon fineness described in component A is about 5 ~ 30nm.
Further, the mixed type Organic Alcohol described in B component is glycerol, molecular weight is 200 ~ 400 polyoxyethylene glycol and dipropylene glycol, Diethylene Glycol, Triethylene glycol, ethylene glycol, any two or three in ethanol.
Further, the caking agent described in B component is the mixture of water-soluble modified metatitanic acid class isopropyl ester and modified silicon acid butyl ester, and described water-soluble modified metatitanic acid class isopropyl ester and the mass ratio of modified silicon acid butyl ester are 1:1.
Further, the inhibiter described in B component is any one in molybdate, tungstate, vanadate, borate.
Prepare a method for the micro-coating antiseptic masking liquid of nano ceramics, comprise the following steps:
(1) put into stirrer for mixing after weighing by the nano silicon in component A, high boiling point Organic Alcohol, nonionogenic tenside and dispersion agent to stir 3 ~ 5 hours, then add aluminium zinc sheet continuation mixing and make A slurry in 4 ~ 6 hours;
(2) caking agent in B component, the organic alcohol and water of mixed type are proportionally placed in after stirrer stirs 1 ~ 2 hour, add inhibiter while stirring, drip pH adjusting agent after inhibiter adds and regulate pH to 1 ~ 4, or even be adjusted to 2 ~ 3, make B slurry;
(3) the A slurry of gained in step (1) is proportionally mixed with B slurry namely obtain the micro-coating antiseptic masking liquid of nano ceramics.
A using method for the micro-coating antiseptic masking liquid of nano ceramics, rot-resistant metal matrix material is coated with two with two after shape film and dries technique, coated weight is at 100 ~ 220 milligrams/square decimeter, and storing temperature is 280-340 DEG C.
The micro-coating antiseptic masking liquid of nano ceramics provided by the invention containing chromium and other class heavy metals as Cd, Hg and Pb; Be a kind of Environmental Protective Water-paint possessing high anti-corrosion, resistance to neutral salt spray ability is greater than 720h, and Corrosion Protection is higher than the Anticorrosive Character containing chromium coating.
Embodiment
Below in conjunction with embodiment, the present invention is further detailed explanation.
Embodiment 1:
The micro-coating antiseptic masking liquid of a kind of nano ceramics, this masking liquid by A, B two component mix according to 1:0.6 mass ratio, wherein: described component A comprises by mass percentage:
Wherein, in component A, in aluminium zinc sheet, the accounting of zinc-aluminium is 7:3, and the fineness of aluminium zinc sheet is 10 μm;
Described B component comprises by mass percentage:
All the other are deionized water.
Preparation method is:
(1) put into stirrer for mixing after the nano silicon in component A, high boiling point Organic Alcohol, nonionogenic tenside and dispersion agent being weighed according to proportioning to stir 3 ~ 5 hours, then add aluminium zinc sheet continuation mixing and make A slurry in 4 ~ 6 hours;
(2) caking agent in B component, the organic alcohol and water of mixed type are proportionally placed in after stirrer stirs 1 ~ 2 hour, add inhibiter while stirring, drip pH adjusting agent after inhibiter adds and regulate pH to 1 ~ 4 to make B slurry;
(3) the A slurry of gained in step (1) is proportionally mixed with B slurry namely obtain the micro-coating antiseptic masking liquid of nano ceramics.
Using method is: on carbon steel or cast iron matrix, be coated with two after shape film with two dry technique, coated weight is 100 ~ 220 milligrams/square decimeter, and storing temperature is 280 ~ 340 DEG C.Record resistance to neutral salt spray ability and be greater than 720h.
Embodiment 2:
The micro-coating antiseptic masking liquid of a kind of nano ceramics, this masking liquid by A, B two component mix according to 1:0.7 mass ratio, wherein: described component A comprises by mass percentage:
Wherein, in component A, in aluminium zinc sheet, the accounting of zinc-aluminium is 7:3, and the fineness of aluminium zinc sheet is 15 μm;
Described B component comprises by mass percentage:
All the other are deionized water.
Preparation method is:
(1) put into stirrer for mixing after the nano silicon in component A, high boiling point Organic Alcohol, nonionogenic tenside and dispersion agent being weighed according to proportioning to stir 3 ~ 5 hours, then add aluminium zinc sheet continuation mixing and make A slurry in 4 ~ 6 hours;
(2) caking agent in B component, the organic alcohol and water of mixed type are proportionally placed in after stirrer stirs 1 ~ 2 hour, add inhibiter while stirring, drip pH adjusting agent after inhibiter adds and regulate pH to 2 ~ 3 to make B slurry;
(3) the A slurry of gained in step (1) is proportionally mixed with B slurry namely obtain the micro-coating antiseptic masking liquid of nano ceramics.
Using method is: on carbon steel or cast iron matrix, be coated with two after shape film with two dry technique, coated weight is 100 ~ 220 milligrams/square decimeter, and storing temperature is 280 ~ 340 DEG C.Record resistance to neutral salt spray ability and be greater than 800h.
Embodiment 3:
The micro-coating antiseptic masking liquid of a kind of nano ceramics, this masking liquid by A, B two component mix according to 1:1 mass ratio, wherein: described component A comprises by mass percentage:
Wherein, in component A, in aluminium zinc sheet, the accounting of zinc-aluminium is 7:3, and the fineness of aluminium zinc sheet is 30 μm;
Described B component comprises by mass percentage:
All the other are deionized water.
Preparation method is:
(1) put into stirrer for mixing after the nano silicon in component A, high boiling point Organic Alcohol, nonionogenic tenside and dispersion agent being weighed according to proportioning to stir 3 ~ 5 hours, then add aluminium zinc sheet continuation mixing and make A slurry in 4 ~ 6 hours;
(2) caking agent in B component, the organic alcohol and water of mixed type are proportionally placed in after stirrer stirs 1 ~ 2 hour, add inhibiter while stirring, drip pH adjusting agent after inhibiter adds and regulate pH to 1 ~ 4 to make B slurry;
(3) the A slurry of gained in step (1) is proportionally mixed with B slurry namely obtain the micro-coating antiseptic masking liquid of nano ceramics.
Using method is: on carbon steel or cast iron matrix, be coated with two after shape film with two dry technique, coated weight is 100 ~ 220 milligrams/square decimeter, and storing temperature is 280 ~ 340 DEG C.Record resistance to neutral salt spray ability and be greater than 1000h.
Embodiment 4:
The micro-coating antiseptic masking liquid of a kind of nano ceramics, this masking liquid by A, B two component mix according to 1:0.8 mass ratio, wherein: described component A comprises by mass percentage:
Wherein, in component A, in aluminium zinc sheet, the accounting of zinc-aluminium is 7:3, and the fineness of aluminium zinc sheet is 5 μm;
Described B component comprises by mass percentage:
All the other are deionized water.
Preparation method is:
(1) put into stirrer for mixing after the nano silicon in component A, high boiling point Organic Alcohol, nonionogenic tenside and dispersion agent being weighed according to proportioning to stir 3 ~ 5 hours, then add aluminium zinc sheet continuation mixing and make A slurry in 4 ~ 6 hours;
(2) caking agent in B component, the organic alcohol and water of mixed type are proportionally placed in after stirrer stirs 1 ~ 2 hour, add inhibiter while stirring, drip pH adjusting agent after inhibiter adds and regulate pH to 1 ~ 4 to make B slurry;
(3) the A slurry of gained in step (1) is proportionally mixed with B slurry namely obtain the micro-coating antiseptic masking liquid of nano ceramics.
Using method is: on carbon steel or cast iron matrix, be coated with two after shape film with two dry technique, coated weight is 100 ~ 220 milligrams/square decimeter, and storing temperature is 280 ~ 340 DEG C.Record resistance to neutral salt spray ability and be greater than 850h.
The above is only preferred embodiment of the present invention, not does any pro forma restriction to the present invention, every according in technical spirit of the present invention to any simple modification, equivalent variations that above embodiment is done, all fall within protection scope of the present invention.
Claims (10)
1. the micro-coating antiseptic masking liquid of nano ceramics, is characterized in that, this masking liquid by A, B two component mix according to 1:0.6 ~ 1:1 mass ratio, wherein: described component A comprises by mass percentage:
2. the micro-coating antiseptic masking liquid of a kind of nano ceramics according to claim 1, is characterized in that, in the aluminium zinc sheet described in component A, the accounting of zinc-aluminium is 7:3, and the fineness of aluminium zinc sheet is 5 ~ 30 μm.
3. the micro-coating antiseptic masking liquid of a kind of nano ceramics according to claim 1, it is characterized in that, the high boiling organic alcohol solvent described in component A is any one or mixtures several arbitrarily in glycerol, polyoxyethylene glycol, dipropylene glycol, Diethylene Glycol, Triethylene glycol.
4. the micro-coating antiseptic masking liquid of a kind of nano ceramics according to claim 1, it is characterized in that, the nonionic surface active agent described in component A be in isomery undecyl alcohol Soxylat A 25-7, isomerous tridecanol polyoxyethylene ether or alkylphenol polyoxyethylene any one.
5. the micro-coating antiseptic masking liquid of a kind of nano ceramics according to claim 1, is characterized in that, the dispersion agent described in component A is two amber ester sulfonate sodium or Zinic stearas.
6. the micro-coating antiseptic masking liquid of a kind of nano ceramics according to claim 1, it is characterized in that, the mixed type Organic Alcohol described in B component is any two or three in glycerol, polyoxyethylene glycol, dipropylene glycol, Diethylene Glycol, Triethylene glycol, ethylene glycol, ethanol.
7. the micro-coating antiseptic masking liquid of a kind of nano ceramics according to claim 1, it is characterized in that, caking agent described in B component is the mixture of water-soluble modified metatitanic acid class isopropyl ester and modified silicon acid butyl ester, and described water-soluble modified metatitanic acid class isopropyl ester and the mass ratio of modified silicon acid butyl ester are 1:1.
8. the micro-coating antiseptic masking liquid of a kind of nano ceramics according to claim 1, is characterized in that, the inhibiter described in B component is any one in molybdate, tungstate, vanadate, borate.
9. prepare a method for the micro-coating antiseptic masking liquid of nano ceramics according to any one of claim 1 ~ 8, it is characterized in that, comprise the following steps:
(1) put into stirrer for mixing after weighing by the nano silicon in component A, high boiling point Organic Alcohol, nonionogenic tenside and dispersion agent to stir 3 ~ 5 hours, then add aluminium zinc sheet continuation mixing and make A slurry in 4 ~ 6 hours;
(2) caking agent in B component, the organic alcohol and water of mixed type are proportionally placed in after stirrer stirs 1 ~ 2 hour, add inhibiter while stirring, drip pH adjusting agent after inhibiter adds and regulate pH to 1 ~ 4 to make B slurry;
(3) the A slurry of gained in step (1) is proportionally mixed with B slurry namely obtain the micro-coating antiseptic masking liquid of nano ceramics.
10. the using method of the micro-coating antiseptic masking liquid of the nano ceramics according to any one of claim 1 ~ 8, it is characterized in that, rot-resistant metal matrix material is coated with two with two after shape film and dries technique, coated weight is 100 ~ 220 milligrams/square decimeter, and storing temperature is 280 ~ 340 DEG C.
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Cited By (7)
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| CN106116704A (en) * | 2016-06-27 | 2016-11-16 | 白江伟 | A kind of reflective corrosion-inhibiting coating of ceramic tile and preparation method thereof |
| CN106116701A (en) * | 2016-06-27 | 2016-11-16 | 白江伟 | A kind of micro-coating solution of ceramic tile anticorrosion and preparation method thereof and coating process |
| CN108070281A (en) * | 2017-11-10 | 2018-05-25 | 常州君合科技股份有限公司 | A kind of brake disc is special to sense nano anti-corrosive masking liquid and its film-forming process |
| CN108914687A (en) * | 2018-08-08 | 2018-11-30 | 岳阳林纸股份有限公司 | A kind of micro- painting technique of papermaking nanometer and nano coating offset printing paper |
| CN113831766A (en) * | 2021-09-18 | 2021-12-24 | 吉林莱德化学科技有限公司 | Water-based zinc-aluminum coating, primer coating, preparation method of primer coating and composite coating |
| CN115247004A (en) * | 2021-04-28 | 2022-10-28 | 南通达克罗新材料科技有限公司 | Nano coating with anticorrosion effect and preparation process thereof |
| CN115612321A (en) * | 2022-09-27 | 2023-01-17 | 常州君合科技股份有限公司 | Environment-friendly water-based zinc-aluminum anticorrosive coating liquid and preparation method thereof |
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| CN106116701A (en) * | 2016-06-27 | 2016-11-16 | 白江伟 | A kind of micro-coating solution of ceramic tile anticorrosion and preparation method thereof and coating process |
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| CN115612321A (en) * | 2022-09-27 | 2023-01-17 | 常州君合科技股份有限公司 | Environment-friendly water-based zinc-aluminum anticorrosive coating liquid and preparation method thereof |
| CN115612321B (en) * | 2022-09-27 | 2024-01-19 | 常州君合科技股份有限公司 | Environment-friendly water-based zinc-aluminum anti-corrosion coating liquid and preparation method thereof |
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