CN114182244A - Environment-friendly nanometer multifunctional coating agent - Google Patents
Environment-friendly nanometer multifunctional coating agent Download PDFInfo
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- CN114182244A CN114182244A CN202111550631.7A CN202111550631A CN114182244A CN 114182244 A CN114182244 A CN 114182244A CN 202111550631 A CN202111550631 A CN 202111550631A CN 114182244 A CN114182244 A CN 114182244A
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- 239000011248 coating agent Substances 0.000 title claims abstract description 87
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims abstract description 14
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 8
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000002253 acid Substances 0.000 claims abstract description 7
- 239000011347 resin Substances 0.000 claims abstract description 7
- 229920005989 resin Polymers 0.000 claims abstract description 7
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 6
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 6
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 6
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 claims abstract description 5
- 150000001282 organosilanes Chemical class 0.000 claims abstract description 5
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 15
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 12
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 10
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 claims description 10
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 10
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 5
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 5
- 239000003755 preservative agent Substances 0.000 claims description 5
- 230000002335 preservative effect Effects 0.000 claims description 5
- 239000011775 sodium fluoride Substances 0.000 claims description 5
- 235000013024 sodium fluoride Nutrition 0.000 claims description 5
- 239000004317 sodium nitrate Substances 0.000 claims description 5
- 235000010344 sodium nitrate Nutrition 0.000 claims description 5
- 239000011975 tartaric acid Substances 0.000 claims description 5
- 235000002906 tartaric acid Nutrition 0.000 claims description 5
- 239000011787 zinc oxide Substances 0.000 claims description 5
- 235000006408 oxalic acid Nutrition 0.000 claims description 4
- 239000004094 surface-active agent Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 35
- 239000002184 metal Substances 0.000 abstract description 35
- 239000003795 chemical substances by application Substances 0.000 abstract description 25
- 239000002344 surface layer Substances 0.000 abstract description 25
- 230000007797 corrosion Effects 0.000 abstract description 12
- 238000005260 corrosion Methods 0.000 abstract description 12
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 10
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 10
- 239000011574 phosphorus Substances 0.000 abstract description 10
- 239000010985 leather Substances 0.000 abstract description 6
- 239000012528 membrane Substances 0.000 abstract description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052804 chromium Inorganic materials 0.000 abstract description 3
- 239000011651 chromium Substances 0.000 abstract description 3
- 230000036541 health Effects 0.000 abstract description 3
- 230000001988 toxicity Effects 0.000 abstract description 3
- 231100000419 toxicity Toxicity 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 description 13
- 239000002103 nanocoating Substances 0.000 description 11
- 238000000576 coating method Methods 0.000 description 6
- 230000004224 protection Effects 0.000 description 6
- 239000013527 degreasing agent Substances 0.000 description 5
- 238000005237 degreasing agent Methods 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 229910019142 PO4 Inorganic materials 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 229910000077 silane Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000006750 UV protection Effects 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002612 dispersion medium Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002120 nanofilm Substances 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/34—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2222/00—Aspects relating to chemical surface treatment of metallic material by reaction of the surface with a reactive medium
- C23C2222/20—Use of solutions containing silanes
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- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention relates to an environment-friendly nanometer multifunctional coating agent which comprises the following components in parts by mass: 1 to 2 parts of succinic acid, 2.5 to 4 parts of fluozirconic acid, 0.5 to 1.5 parts of polyethylene glycol, 0.6 to 0.8 part of emulsifier, 3 to 5 parts of hydrofluoric acid, 3 to 6 parts of organosilane resin, 0.5 to 1.5 parts of hydrogen peroxide, 2 to 5 parts of silane coupling agent, 2 to 4 parts of nano-oxide sol and 0.6 to 0.8 part of ethanol, and the balance of water. The environment-friendly nano multifunctional coating agent does not contain phosphorus, and avoids pollution to the water environment. Meanwhile, the environment-friendly nano multifunctional coating agent does not contain chromium, so that the toxicity of the coating agent is reduced, and the coating agent causes harm to the health of workers. The corrosion resistance of the metal surface layer treated by the environment-friendly nano multifunctional coating agent is much better than that of the traditional phosphorus-free and chromium-free coating agent. The leather membrane on the metal surface layer treated by the environment-friendly nano multifunctional leather membrane agent has high thermal stability.
Description
Technical Field
The invention relates to the field of film agent manufacturing, in particular to an environment-friendly nanometer multifunctional film agent.
Background
The coating agent is a metal surface treating agent, and the coating agent reacts with metal to generate a protective film which can increase the oxidation resistance of the metal. In particular, the protective film can increase the adsorption capacity of the metal and other raw materials, so that other coatings can be firmly attached to the metal surface layer. The traditional coating agent contains a large amount of phosphate, however, the phosphate can cause serious water pollution, the pollution problem of phosphorus element is highly emphasized by relevant departments and enterprises at home and abroad along with the increasing strengthening of the environmental protection work, phosphorus-containing washing powder and phosphorus-containing cleaning agent are strictly forbidden in many areas and cities in China, the requirement of the environmental protection department on the phosphorus treatment in the wastewater after the pretreatment of coating is more and more strict, and the comprehensive cost of the pretreatment of coating is greatly increased.
However, the phosphorus-free coating agent replacing phosphating solution is produced in China, so that the full-line non-phosphating of the pretreatment process of the coating in China is successfully realized, and the problem of phosphorus pollution in the pretreatment process is fundamentally eliminated. The phosphorus-free degreasing agent and the phosphorus-free film liquid developed and produced by surface technology research institute are utilized, phosphorus element pollution is eliminated fundamentally, the urgent need of environmental protection is met, the treatment effect is very outstanding, the treatment effect of the normal-temperature phosphorus-free degreasing agent and the low-temperature phosphorus-free degreasing agent is better than that of the traditional phosphorus-containing degreasing agent, the phosphorus-free degreasing agent and the phosphorus-free film liquid are widely applied nationwide, and the phosphorus-free film liquid is also applied continentally, so that the phosphorus-free film liquid has a very good prospect. However, the traditional coating agent has low stability, low environmental protection performance, poor corrosion resistance and low human stability, and cannot meet the market requirements.
Disclosure of Invention
Therefore, the environment-friendly nano multifunctional coating agent is needed to be provided for solving the technical problems that the traditional coating agent has low stability, low environmental protection performance, poor corrosion resistance and low human stability and cannot meet the market requirements.
An environment-friendly nanometer multifunctional coating agent comprises the following components in parts by mass: 1 to 2 parts of succinic acid, 2.5 to 4 parts of fluozirconic acid, 0.5 to 1.5 parts of polyethylene glycol, 0.6 to 0.8 part of emulsifier, 3 to 5 parts of hydrofluoric acid, 3 to 6 parts of organosilane resin, 0.5 to 1.5 parts of hydrogen peroxide, 2 to 5 parts of silane coupling agent, 2 to 4 parts of nano-oxide sol and 0.6 to 0.8 part of ethanol, and the balance of water.
In one embodiment, the environment-friendly multifunctional nano-coating agent further comprises 0.2 to 2 parts of sodium nitrate.
In one embodiment, the environment-friendly multifunctional nano-coating agent further comprises 0.1 to 0.5 parts of sodium fluoride.
In one embodiment, the environment-friendly multifunctional nano coating agent further comprises 0.1 to 0.5 parts of oxalic acid.
In one embodiment, the environment-friendly multifunctional nano-coating agent further comprises 0.01 to 0.04 parts of a surfactant.
In one embodiment, the environment-friendly multifunctional nano-coating agent further comprises 0.1 to 0.4 parts of acrylic acid.
In one embodiment, the environment-friendly multifunctional nano film agent further comprises 0.5 to 1.5 parts of citric acid.
In one embodiment, the environment-friendly multifunctional nano-coating agent further comprises 3 to 5 parts of tartaric acid.
In one embodiment, the environment-friendly multifunctional nano-coating agent further comprises 0.2 to 0.4 parts of a preservative.
In one embodiment, the environment-friendly multifunctional nano coating agent further comprises 0.2 to 0.4 parts of zinc oxide.
The environment-friendly nano multifunctional coating agent does not contain phosphorus, and avoids pollution to the water environment. Meanwhile, the environment-friendly nano multifunctional coating agent does not contain chromium, reduces the toxicity of the coating agent, and avoids pollution to the environment and harm to the health of workers in the processing and using processes. The corrosion resistance of the metal surface layer treated by the environment-friendly nano multifunctional coating agent is much better than that of the traditional phosphorus-free and chromium-free coating agent. The metal surface layer treated by the environment-friendly nano multifunctional coating agent has low coating thickness and strong bonding force with the metal surface. The leather membrane on the metal surface layer treated by the environment-friendly nano multifunctional leather membrane agent has high thermal stability.
Drawings
FIG. 1 is a diagram of the components of an environment-friendly nano multifunctional coating agent in one embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, the invention provides an environment-friendly nano multifunctional coating agent, which comprises the following components in parts by mass: 1 to 2 parts of succinic acid, 2.5 to 4 parts of fluozirconic acid, 0.5 to 1.5 parts of polyethylene glycol, 0.6 to 0.8 part of emulsifier, 3 to 5 parts of hydrofluoric acid, 3 to 6 parts of organosilane resin, 0.5 to 1.5 parts of hydrogen peroxide, 2 to 5 parts of silane coupling agent, 2 to 4 parts of nano-oxide sol and 0.6 to 0.8 part of ethanol, and the balance of water.
Further, the environment-friendly nano multifunctional coating agent comprises the following components in parts by mass: 1.5 parts of succinic acid, 3 parts of fluozirconic acid, 1 part of polyethylene glycol, 0.7 part of emulsifier, 4 parts of hydrofluoric acid, 4 parts of organosilane resin, 1 part of hydrogen peroxide, 3 parts of silane coupling agent, 3 parts of nano-oxide sol, 0.7 part of ethanol and the balance of water. The succinic acid can react with different metal surfaces to generate diaphragms, has certain descaling performance and corrosion resistance, can remove dirt on the metal surfaces, and can increase the corrosion resistance of the environment-friendly nano multifunctional coating agent. The fluozirconic acid is the main component of the film forming agent, and the fluozirconium salt can form a compact zirconium oxide film and a zirconate precipitation microcrystalline film on the surface of the metal. In the present example, the concentration of fluorozirconic acid was 50 g/L. The polyethylene glycol is a high molecular polymer, has excellent lubricity, moisture retention, dispersibility and adhesion, can increase the uniform mixing property of all components in the environment-friendly nano multifunctional coating agent, and increases the adhesion of the environment-friendly nano multifunctional coating agent in film forming. The emulsifier can further increase the uniformity and stability of the environment-friendly nano multifunctional coating agent and the adhesive force of the environment-friendly nano multifunctional coating agent. Hydrofluoric acid participates in the film formation of the environment-friendly nano multifunctional film agent, the pH value of the environment-friendly nano multifunctional film agent is controlled, and the stability of the film formation of the environment-friendly nano multifunctional film agent is improved. In this example, the concentration of hydrofluoric acid was 200 g/L. The organic silane resin is the main component of the environment-friendly nano multifunctional coating agent, and the organic silane resin can be strongly bonded with metal surface layers of different materials. The hydrogen peroxide can promote the film forming speed of the environment-friendly nano multifunctional coating agent. In this example, the concentration of hydrogen peroxide was 10 g/L. The silane coupling agent further increases the adhesion of the environment-friendly nano multifunctional coating agent, and the silane coupling agent is between an inorganic interface and an organic interface, so that a bonding layer of an organic matrix, the silane coupling agent and an inorganic matrix can be formed. The nanometer oxide sol can increase the film forming hardness of the environment-friendly nanometer multifunctional coating agent, and specifically, the nanometer oxide sol is silicon dioxide sol. The ethanol is used as a dispersion medium of each component of the environment-friendly nano multifunctional coating agent, and can increase the chemical stability of each component, thereby increasing the chemical stability of the environment-friendly nano multifunctional coating agent.
In order to further improve the film forming speed of the environment-friendly nano multifunctional film forming agent, in one embodiment, the environment-friendly nano multifunctional film forming agent further comprises 0.2 to 2 parts of sodium nitrate. Specifically, the environment-friendly nano multifunctional coating agent further comprises 1 part of sodium nitrate. The sodium nitrate can improve the corrosion resistance of the metal surface layer and prevent the metal surface layer from being embrittled.
In order to further improve the wear resistance of the diaphragm generated by the reaction of the environment-friendly nano multifunctional coating agent and the metal surface layer, in one embodiment, the environment-friendly nano multifunctional coating agent further comprises 0.1 to 0.5 parts of sodium fluoride. Specifically, in this embodiment, the environment-friendly multifunctional nano-coating agent further includes 0.4 parts of sodium fluoride. The sodium fluoride can improve the wear resistance of the film formed by the environment-friendly nano multifunctional film agent.
In order to improve the uniformity of the diaphragm generated by the reaction of the environment-friendly nano multifunctional coating agent and the metal surface layer. In one embodiment, the environment-friendly multifunctional nano coating agent further comprises 0.1 to 0.5 parts of oxalic acid. The oxalic acid can complex metal ions, thereby further improving the uniformity and adhesive force of the diaphragm generated by the reaction of the environment-friendly nano multifunctional coating agent and the metal surface layer.
In order to further increase the mixing uniformity of the components in the environment-friendly nano multifunctional coating agent, in one embodiment, the environment-friendly nano multifunctional coating agent further comprises 0.01 to 0.04 parts of a surfactant. Specifically, the environment-friendly nano multifunctional coating agent also comprises 0.02 part of surfactant. So that the components in the environment-friendly nano multifunctional coating agent are fully dissolved in water and then fully and uniformly mixed.
In order to improve the corrosion resistance of the diaphragm generated by the reaction of the environment-friendly nano multifunctional coating agent and the metal surface layer, in one embodiment, the environment-friendly nano multifunctional coating agent further comprises 0.1 to 0.4 parts of acrylic acid. Specifically, in this embodiment, the environment-friendly multifunctional nano-coating agent further includes 0.2 parts of acrylic acid. The acrylic acid can improve the corrosion resistance of the diaphragm generated by the reaction of the environment-friendly nano multifunctional coating agent and the metal surface layer.
In order to further reduce the thickness of the diaphragm generated by the reaction of the environment-friendly nano multifunctional coating agent and the metal surface layer, in one embodiment, the environment-friendly nano multifunctional coating agent further comprises 0.5 to 1.5 parts of citric acid. The citric acid can adjust the thickness of the diaphragm generated by the reaction of the environment-friendly nano multifunctional coating agent and the metal surface layer, and the more the citric acid is, the lower the thickness of the diaphragm generated by the reaction of the environment-friendly nano multifunctional coating agent and the metal surface layer is within a certain range. So as to meet the surface treatment requirements of different metals.
In order to improve the oxidation resistance of the diaphragm generated by the reaction of the environment-friendly nano multifunctional coating agent and the metal surface layer, in one embodiment, the environment-friendly nano multifunctional coating agent further comprises 3 to 5 parts of tartaric acid. Specifically, the environment-friendly nano multifunctional coating agent also comprises 4 parts of tartaric acid. Tartaric acid increases the oxidation resistance of the diaphragm generated by the reaction of the environment-friendly nano multifunctional coating agent and the metal surface layer.
In order to increase the corrosion resistance of the environment-friendly nano multifunctional coating agent, in one embodiment, the environment-friendly nano multifunctional coating agent further comprises 0.2 to 0.4 parts of a preservative. Specifically, the environment-friendly nano multifunctional coating agent also comprises 0.3 part of preservative. The preservative increases the corrosion resistance of the environment-friendly nano multifunctional coating agent and delays the storage time of the environment-friendly nano multifunctional coating agent.
In order to improve the weather resistance of the diaphragm generated by the reaction of the environment-friendly nano multifunctional coating agent and the metal surface layer, in one embodiment, the environment-friendly nano multifunctional coating agent further comprises 0.2 to 0.4 parts of zinc oxide. The zinc oxide has certain ultraviolet resistance, so that the zinc oxide can increase the sun-proof performance of the diaphragm generated by the reaction of the environment-friendly nano multifunctional coating agent and the metal surface layer, and further increase the weather resistance of the diaphragm generated by the reaction of the environment-friendly nano multifunctional coating agent and the metal surface layer.
The environment-friendly nano multifunctional coating agent does not contain phosphorus, and avoids pollution to the water environment. Meanwhile, the environment-friendly nano multifunctional coating agent does not contain chromium, reduces the toxicity of the coating agent, and avoids pollution to the environment and harm to the health of workers in the processing and using processes. The corrosion resistance of the metal surface layer treated by the environment-friendly nano multifunctional coating agent is much better than that of the traditional phosphorus-free and chromium-free coating agent. The metal surface layer treated by the environment-friendly nano multifunctional coating agent has low coating thickness and strong bonding force with the metal surface. The leather membrane on the metal surface layer treated by the environment-friendly nano multifunctional leather membrane agent has high thermal stability.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The environment-friendly nanometer multifunctional coating agent is characterized by comprising the following components in parts by mass: 1 to 2 parts of succinic acid, 2.5 to 4 parts of fluozirconic acid, 0.5 to 1.5 parts of polyethylene glycol, 0.6 to 0.8 part of emulsifier, 3 to 5 parts of hydrofluoric acid, 3 to 6 parts of organosilane resin, 0.5 to 1.5 parts of hydrogen peroxide, 2 to 5 parts of silane coupling agent, 2 to 4 parts of nano-oxide sol and 0.6 to 0.8 part of ethanol, and the balance of water.
2. The environment-friendly nano multifunctional coating agent according to claim 1, further comprising 0.2 to 2 parts of sodium nitrate.
3. The environment-friendly nano multifunctional coating agent according to claim 1, further comprising 0.1 to 0.5 parts of sodium fluoride.
4. The environment-friendly nano multifunctional coating agent according to claim 1, further comprising 0.1 to 0.5 parts of oxalic acid.
5. The environment-friendly nano multifunctional coating agent according to claim 1, further comprising 0.01 to 0.04 parts of a surfactant.
6. The environment-friendly nano multifunctional coating agent according to claim 1, further comprising 0.1 to 0.4 parts of acrylic acid.
7. The environment-friendly nano multifunctional coating agent according to claim 1, further comprising citric acid 0.5 to 1.5 parts.
8. The environment-friendly nano multifunctional coating agent according to claim 7, further comprising 3 to 5 parts of tartaric acid.
9. The environment-friendly nano multifunctional coating agent according to claim 8, further comprising 0.2 to 0.4 parts of preservative.
10. The environment-friendly nano multifunctional coating agent according to claim 1, further comprising 0.2 to 0.4 parts of zinc oxide.
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| CN202111550631.7A CN114182244A (en) | 2021-12-17 | 2021-12-17 | Environment-friendly nanometer multifunctional coating agent |
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| CN202111550631.7A CN114182244A (en) | 2021-12-17 | 2021-12-17 | Environment-friendly nanometer multifunctional coating agent |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115287643A (en) * | 2022-08-23 | 2022-11-04 | 上海钱洪化学科技有限公司 | Silane coating agent and preparation method thereof |
| CN116695107A (en) * | 2023-05-29 | 2023-09-05 | 中山市壹桥环保科技有限公司 | Chromium-free passivating agent, preparation method thereof and metal surface corrosion prevention method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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