CN113717604A - High-lubrication water-soluble nickel plating slip-increasing protective agent - Google Patents
High-lubrication water-soluble nickel plating slip-increasing protective agent Download PDFInfo
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D139/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Coating compositions based on derivatives of such polymers
- C09D139/04—Homopolymers or copolymers of monomers containing heterocyclic rings having nitrogen as ring member
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09D105/00—Coating compositions based on polysaccharides or on their derivatives, not provided for in groups C09D101/00 or C09D103/00
- C09D105/04—Alginic acid; Derivatives thereof
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- C—CHEMISTRY; METALLURGY
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- C09D171/00—Coating compositions based on polyethers obtained by reactions forming an ether link in the main chain; Coating compositions based on derivatives of such polymers
- C09D171/02—Polyalkylene oxides
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C—CHEMISTRY; METALLURGY
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/20—Diluents or solvents
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/48—After-treatment of electroplated surfaces
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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Abstract
The invention relates to the technical field of metal corrosion prevention, in particular to a high-lubrication water-soluble nickel plating and slip increasing protective agent. Comprises a film forming substance, a film forming auxiliary agent, a penetrating agent, a hole sealing agent and a dispersing agent. The protective agent provided by the invention is non-toxic and environment-friendly, has high lubrication degree, compact and uniform film layer, has corrosion resistance for a long time, and has great popularization and use values.
Description
Technical Field
The invention relates to the technical field of metal corrosion prevention, in particular to a protective agent for preventing a nickel coating from being oxidized, discolored or corroded.
Background
Electroplating is a common process for protecting the surface of a base metal, and a nickel plating layer is a decorative protective plating layer which is most widely applied. However, the nickel plating layer has high activity, oxides and sulfides are easily formed in the atmosphere, the yellowing nickel layer loses the metal luster of the nickel, the salt spray resistance of the plating layer is reduced, the adhesion with a substrate is reduced, the plating layer can fall off in serious conditions, and the function of protecting the substrate cannot be achieved.
In the past, a chromium sleeving mode is generally used for surface protection of a plated part of a nickel plating layer, but in recent years, hexavalent chromium has been limited to use due to the adverse effect of hexavalent chromium on human bodies and the environment, and trivalent chromium serving as a substitute of hexavalent chromium has the defect of poor appearance of a plating layer. Aluminate, tungstate and other oxygen-containing heteropolyacids such as phospho-aluminate, phosphotungstic acid and the like, and some organic corrosion inhibitors such as miualin oleate and the like are found to be used as surface protective agents of nickel plating layers, but the corrosion resistance of the nickel plating layers is far lower than that of hexavalent chromium passivation. Meanwhile, most of the existing nickel-plated layer protective agents are oil-soluble protective agents, which not only have adverse effects on the health and ecology of operators, but also generally have the defects of rough film surface, poor lubricating property and serious pinhole phenomenon. In addition, a few water-soluble protective agents are accepted by the market due to excellent environmental protection, but the corrosion resistance, appearance and smoothness of the formed protective film layer far reach the requirements of customers. Therefore, it is necessary to provide a nickel-plating protective agent which is non-toxic, environment-friendly, good in corrosion resistance, good in lubricating property and uniform and compact in film layer, so as to meet the objective requirements of the market.
Disclosure of Invention
Problems to be solved by the invention
At present, metal materials are required to be used in a more severe environment, and in addition to good corrosion resistance, the lubricating performance of metal devices also becomes an important standard for measuring quality, so that more strict requirements are provided for the aesthetic property, corrosion resistance and lubricating property of a surface coating of the metal materials. Nickel plating is the most widely used decorative protective plating, but nickel plating generally has high porosity and poor corrosion resistance, and corrosive media can corrode the substrate through micropores. Therefore, a protective surface treatment agent for nickel plating has been produced, but the nickel plating protective agent in the market has problems of high toxicity, poor corrosion resistance, low lubricity, serious pinhole phenomenon and the like, and the service life of a plated part is seriously influenced.
Means for solving the problems
In order to solve the problems, the invention provides a high-lubrication water-soluble nickel plating slipping protective agent which is prepared by refining a film forming substance, a film forming auxiliary agent, a penetrating agent, a hole sealing agent and a dispersing agent in water.
Preferably, the film forming material is a water-soluble polymer, and comprises any one or more of poly-2-vinylimidazoline, polyepoxysuccinic acid and alginate.
The film-forming substance is preferably: 1-13wt%, more preferably: 2-9wt%, most preferably: 4-7 wt%.
Preferably, the film-forming aid is N-methylpyrrolidone.
The content of the film-forming aid is preferably as follows: 1-15wt%, more preferably: 3-13wt%, most preferably: 5-10 wt%.
Preferably, the osmotic agent is a glucoside surfactant, and comprises one or more of octyl glucoside, decyl glucoside and dodecyl glucopyranoside.
The content of the penetrant is preferably: 0.5 to 8wt%, more preferably: 1-6wt%, most preferably: 2-4 wt%.
Preferably, the high-lubricity water-soluble nickel plating slipping protective agent contains a dispersing agent.
Preferably, the dispersant is a surfactant.
Preferably, the high-lubricity water-soluble nickel plating slipping protective agent also contains a hole sealing agent.
Preferably, the pore sealing agent is ceramic nanoparticles.
The content of the hole sealing agent is preferably as follows: 3 to 12wt%, more preferably: 5-10wt%, optimally: 7-9 wt%.
The solvent is deionized water.
ADVANTAGEOUS EFFECTS OF INVENTION
According to the invention, the water-soluble nickel plating slipping protective agent capable of providing a surface protective film on the surface of nickel-plated metal can be provided, and the water-soluble nickel plating slipping protective agent is non-toxic, environment-friendly, high in lubrication degree, compact and uniform in film layer and has corrosion resistance for a long time.
Compared with the prior art, the invention has the following beneficial effects:
the invention adopts water as the solvent to replace the traditional organic solvent, is nontoxic and environment-friendly;
the invention adopts poly-2-ethenoimidazoline, polyepoxysuccinic acid and alginate as film-forming substances to replace the traditional film-forming agents, and has the advantage of fine and glossy film layer;
the invention adopts the glucoside surfactant to replace the traditional penetrant, and has strong penetration capability and high stability;
according to the invention, the ceramic nanoparticles are adopted to replace the traditional hole sealing agent, so that the smoothness of the film layer can be improved, and the hole sealing effect and the wear resistance are good.
Detailed Description
Example 1: the water-soluble nickel plating slip protection agent M1 of this example was prepared by dissolving the components in the solvent in the following proportions: 4wt% of poly-2-vinylimidazoline, 5wt% of N-methylpyrrolidone, 2wt% of octyl glucoside, 2wt% of alkylphenol polyoxyethylene, 7wt% of ceramic nanoparticles, and the balance of water.
The invention also provides a preparation method of the water-soluble nickel plating slipping protective agent, which mainly comprises the following steps: weighing 80g of deionized water in a 250mL beaker, adding N-methylpyrrolidone, alkylphenol ethoxylates, poly-2-vinylimidazoline, ceramic nanoparticles and octyl glucoside into water in sequence, and stirring at 60 ℃ for 30min to obtain a mixed solution.
The invention also provides a using method of the water-soluble nickel plating slipping protective agent, which comprises the following steps: selecting a part plated with a nickel layer, washing with water, dipping into the water-soluble nickel plating slip protective agent solution at the operation temperature of 40-60 ℃ for 2-4min, washing with water, and drying.
The plated part DM10 of the present embodiment was obtained through the above steps.
Example 2: the water-soluble nickel plating slip protection agent M2 of this example was prepared by dissolving the components in the solvent in the following proportions: 7wt% of poly-2-vinylimidazoline, 10wt% of N-methylpyrrolidone, 4wt% of octyl glucoside, 3wt% of alkylphenol polyoxyethylene, 9wt% of ceramic nanoparticles, and the balance of water.
The invention also provides a preparation method of the water-soluble nickel plating slipping protective agent, which mainly comprises the following steps: weighing 80g of deionized water in a 250mL beaker, adding N-methylpyrrolidone, alkylphenol ethoxylates, poly-2-vinylimidazoline, ceramic nanoparticles and octyl glucoside into water in sequence, and stirring at 60 ℃ for 30min to obtain a mixed solution.
The invention also provides a using method of the water-soluble nickel plating slipping protective agent, which comprises the following steps: selecting a part plated with a nickel layer, washing with water, dipping into the water-soluble nickel plating slip protective agent solution at the operation temperature of 40-60 ℃ for 2-4min, washing with water, and drying.
The plated part of this example was DM20 obtained by the above steps.
Example 3: the water-soluble nickel plating slip protection agent M3 of this example was prepared by dissolving the components in the solvent in the following proportions: 4wt% of polyepoxysuccinic acid, 5wt% of N-methylpyrrolidone, 2wt% of decyl glucoside, 2wt% of alkylphenol ethoxylate, 7wt% of ceramic nanoparticles, and the balance of water.
The invention also provides a preparation method of the water-soluble nickel plating slipping protective agent, which mainly comprises the following steps: weighing 80g of deionized water in a 250mL beaker, adding N-methyl pyrrolidone, alkylphenol ethoxylates, polyepoxysuccinic acid, ceramic nanoparticles and decyl glucoside into water in sequence, and stirring at 60 ℃ for 30min to obtain a mixed solution.
The invention also provides a using method of the water-soluble nickel plating slipping protective agent, which comprises the following steps: selecting a part plated with a nickel layer, washing with water, dipping into the water-soluble nickel plating slip protective agent solution at the operation temperature of 40-60 ℃ for 2-4min, washing with water, and drying.
The plated part DM30 of the present embodiment was obtained through the above steps.
Example 4: the water-soluble nickel plating slip protection agent M4 of this example was prepared by dissolving the components in the solvent in the following proportions: 4wt% of sodium alginate, 5wt% of N-methyl pyrrolidone, 2wt% of dodecyl glucopyranoside, 2wt% of alkylphenol polyoxyethylene, 7wt% of ceramic nano particles and the balance of water.
The invention also provides a preparation method of the water-soluble nickel plating slipping protective agent, which mainly comprises the following steps: weighing 80g of deionized water in a 250mL beaker, adding N-methyl pyrrolidone, alkylphenol ethoxylates, sodium alginate, ceramic nanoparticles and dodecyl glucopyranoside into water in sequence, and stirring at 60 ℃ for 30min to obtain a mixed solution.
The invention also provides a using method of the water-soluble nickel plating slipping protective agent, which comprises the following steps: selecting a part plated with a nickel layer, washing with water, dipping into the water-soluble nickel plating slip protective agent solution, controlling the operation temperature to be 40-60 ℃ and the treatment time to be 2-4min, then washing with water and drying.
The plated part DM40 of the present embodiment was obtained through the above steps.
Comparative example 1: the water-soluble nickel plating slipping protective agent D1 of the present example was prepared by dissolving the components in the following proportions: 5wt% of N-methylpyrrolidone, 2wt% of octyl glucoside, 2wt% of alkylphenol polyoxyethylene, 7wt% of ceramic nanoparticles and the balance of water.
The invention also provides a preparation method of the water-soluble nickel plating slipping protective agent, which mainly comprises the following steps: weighing 80g of deionized water in a 250mL beaker, adding N-methyl pyrrolidone, alkylphenol ethoxylates, ceramic nanoparticles and dodecyl glucopyranoside into water in sequence, and stirring for 30min at 60 ℃ to obtain a mixed solution.
The invention also provides a using method of the water-soluble nickel plating slipping protective agent, which comprises the following steps: selecting a part plated with a nickel layer, washing with water, dipping into the solution of the water-soluble nickel plating slipping protective agent, controlling the operation temperature to be 40-60 ℃ and the treatment time to be 2-4min, then washing with water and drying.
The plated product DW10 of the present example was obtained by the above steps.
Comparative example 2: the nickel protectant D2 of this example was prepared by dissolving the components in a solvent in the following proportions: 4wt% of poly-2-vinylimidazoline, 5wt% of N-methylpyrrolidone, 2wt% of alkylphenol ethoxylate, 7wt% of ceramic nanoparticles, and the balance of water.
The invention also provides a preparation method of the water-soluble nickel plating slipping protective agent, which mainly comprises the following steps: weighing 80g of deionized water in a 250mL beaker, adding N-methyl pyrrolidone, alkylphenol ethoxylates, poly-2-vinylimidazoline and ceramic nanoparticles into water in sequence, and stirring at 60 ℃ for 30min to obtain a mixed solution.
The invention also provides a using method of the water-soluble nickel plating slipping protective agent, which comprises the following steps: selecting a part plated with a nickel layer, washing with water, dipping into the solution of the water-soluble nickel plating slipping protective agent, controlling the operation temperature to be 40-60 ℃ and the treatment time to be 2-4min, then washing with water and drying.
The plated product DW20 of the present example was obtained by the above steps.
Comparative example 3: the nickel protectant D3 of this example was prepared by dissolving the components in a solvent in the following proportions: 4wt% of polyepoxysuccinic acid, 5wt% of N-methyl pyrrolidone, 2wt% of decyl glucoside, 2wt% of alkylphenol polyoxyethylene ether and the balance of water.
The invention also provides a preparation method of the water-soluble nickel plating slipping protective agent, which mainly comprises the following steps: weighing 80g of deionized water in a 250mL beaker, adding N-methyl pyrrolidone, alkylphenol ethoxylates, polyepoxysuccinic acid and decyl glucoside into the water in sequence, and stirring for 30min at 60 ℃ to obtain a mixed solution.
The invention also provides a using method of the water-soluble nickel plating slipping protective agent, which comprises the following steps: selecting a part plated with a nickel layer, washing with water, dipping into the solution of the water-soluble nickel plating slipping protective agent, controlling the operation temperature to be 40-60 ℃ and the treatment time to be 2-4min, then washing with water and drying.
The plated product DW30 of the present example was obtained by the above steps.
Salt spray resistance test: the method is carried out according to the standard requirements of a GB/T10125-2012 neutral salt spray test (NSS), the experimental solution adopts a 5% NaCl solution, the temperature of a salt spray box is set to be 35 +/-2 ℃, the PH is set to be 6.5-7.5, the salt spray resistance performance test is carried out, the spraying is carried out continuously for 72 hours, and the time when the corrosion begins to appear is recorded. The test results are shown in table 1.
(Table 1)
And (3) appearance testing: the smoothness of the appearance was visually observed with or without pinholes. The test results are shown in table 2.
(Table 2)
And (3) lubricity test: a friction coefficient instrument is utilized to flatly place the experimental surface of the workpiece and the reference surface together, the two surfaces are relatively moved under certain contact pressure, the required force is recorded, and the friction coefficient is converted. The test results are shown in table 3.
(Table 3)
From the results in tables 1 to 3, comparison among examples 1, 2, 3 and 4 shows that the water-soluble nickel plating slip protective agent provided by the invention can form a coherent film layer with excellent corrosion resistance and lubricating performance, the surface of the film layer is smooth and flat, and the salt spray performance is excellent.
From the results of tables 1-3, it is shown that, compared to examples 1-4, since the nickel-plating protectant of comparative example 1 does not have a film-forming agent, the corrosion resistance and lubricity of the plated article coated with the protectant are poor, and the salt spray test is not acceptable. In addition, since the nickel-plating protective agent in comparative example 2 has no penetrant, the corrosion resistance and lubricity of the plated article coated with the protective agent are poor, and the salt spray test is not qualified. In addition, since the nickel-plating protective agent in comparative example 3 has no sealant, the lubricity and corrosion resistance of the plated article coated with the protective agent are poor, surface pinholes are severe, and the salt spray test is not qualified.
The test results show that the water-soluble nickel plating slipping protective agent provided by the invention can be used for obtaining a nickel protective film which is non-toxic, environment-friendly, good in corrosion resistance, good in film adhesion and good in lubricating property.
It is to be understood that the examples set forth herein are illustrative only and are not limiting upon the embodiments described. Any embodiment extending the core technology of the present invention is still within the scope of the claims of the present invention.
Claims (6)
1. A high-lubrication water-soluble nickel plating slipping protective agent is characterized in that: is prepared by refining a film forming substance, a film forming auxiliary agent, a penetrating agent, a hole sealing agent and a dispersing agent in water.
2. The highly-lubricating water-soluble nickel plating slip protectant according to claim 1, characterized in that: the film forming matter is water soluble polymer including one or several of poly-2-ethylene imidazoline, polyepoxysuccinic acid and alginate.
3. The highly-lubricating water-soluble nickel plating slip protectant according to claim 1, characterized in that: the film-forming substance is preferably: 1-13wt%, more preferably: 2-9wt%, most preferably: 4-7 wt%.
4. The highly-lubricating water-soluble nickel plating slip protectant according to claim 1, characterized in that: the film-forming assistant is N-methyl pyrrolidone, and the content is preferably as follows: 1-15wt%, more preferably: 3-13wt%, most preferably: 5-10 wt%.
5. The highly-lubricating water-soluble nickel plating slip protectant according to claim 1, characterized in that: the penetrating agent is glucoside surfactant, including one or more of octyl glucoside, decyl glucoside and dodecyl glucopyranoside.
6. The highly-lubricating water-soluble nickel plating slip protectant according to claim 1, characterized in that: the content of the penetrant is preferably: 0.5 to 8wt%, more preferably: 1-6wt%, most preferably: 2-4 wt%.
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| CN202010449503.2A CN113717604A (en) | 2020-05-25 | 2020-05-25 | High-lubrication water-soluble nickel plating slip-increasing protective agent |
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| CN202010449503.2A CN113717604A (en) | 2020-05-25 | 2020-05-25 | High-lubrication water-soluble nickel plating slip-increasing protective agent |
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Citations (7)
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| US5109127A (en) * | 1989-11-06 | 1992-04-28 | Lion Corporation | Nonionic surface active agent |
| WO1995034608A1 (en) * | 1994-06-10 | 1995-12-21 | Asahi Glass Company Ltd. | Substrate coated with water-soluble salt |
| CN1807713A (en) * | 2005-01-21 | 2006-07-26 | 李官奇 | Fiber spinning dope containing protein and manufacturing method thereof |
| CN102786358A (en) * | 2012-08-29 | 2012-11-21 | 湖北富邦科技股份有限公司 | Water-soluble anti-caking agent and preparation method thereof |
| CN105541125A (en) * | 2015-12-24 | 2016-05-04 | 成都新柯力化工科技有限公司 | Modification method for enhancing flexibility of brucite fiber |
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-
2020
- 2020-05-25 CN CN202010449503.2A patent/CN113717604A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5109127A (en) * | 1989-11-06 | 1992-04-28 | Lion Corporation | Nonionic surface active agent |
| WO1995034608A1 (en) * | 1994-06-10 | 1995-12-21 | Asahi Glass Company Ltd. | Substrate coated with water-soluble salt |
| CN1807713A (en) * | 2005-01-21 | 2006-07-26 | 李官奇 | Fiber spinning dope containing protein and manufacturing method thereof |
| CN102786358A (en) * | 2012-08-29 | 2012-11-21 | 湖北富邦科技股份有限公司 | Water-soluble anti-caking agent and preparation method thereof |
| CN105541125A (en) * | 2015-12-24 | 2016-05-04 | 成都新柯力化工科技有限公司 | Modification method for enhancing flexibility of brucite fiber |
| CN110079142A (en) * | 2019-05-23 | 2019-08-02 | 深圳市力达纳米科技有限公司 | A kind of surface protection water solubility protective agent and method, 5G communications electronics product |
| CN110373055A (en) * | 2019-07-29 | 2019-10-25 | 深圳市力达纳米科技有限公司 | A kind of water-soluble protective agent and preparation method, integrated circuit of surface protection |
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| 吴小明等: "一种水溶性电接触润滑保护剂的研制", 《电镀与精饰》 * |
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