CN110067001B - Metal cleaning agent and preparation method thereof - Google Patents
Metal cleaning agent and preparation method thereof Download PDFInfo
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- CN110067001B CN110067001B CN201910395411.8A CN201910395411A CN110067001B CN 110067001 B CN110067001 B CN 110067001B CN 201910395411 A CN201910395411 A CN 201910395411A CN 110067001 B CN110067001 B CN 110067001B
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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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G5/00—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents
- C23G5/06—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using emulsions
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- General Chemical & Material Sciences (AREA)
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- Organic Chemistry (AREA)
- Detergent Compositions (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention relates to a metal cleaning agent and a preparation method thereof, wherein the metal cleaning agent comprises 1-20% of organic solvent, 1-5% of corrosion inhibitor, 1-7% of emulsifier, 1-5% of penetrant, 1-10% of dispersant, 1-5% of builder, 1-10% of surfactant, 0.5-3% of chelating agent and the balance of water. The preparation method comprises the following steps: uniformly mixing the builder and the organic solvent, adding the surfactant, the dispersant, the emulsifier, the corrosion inhibitor, the penetrant, the chelating agent and the deionized water, and uniformly mixing to obtain the metal cleaning agent. The metal cleaning agent disclosed by the invention has the advantages of strong heavy oil stain removing capability and high cleaning speed, and also has the advantages of excellent metal corrosion resistance and biodegradability.
Description
Technical Field
The invention relates to an oil stain cleaning agent, in particular to a metal cleaning agent and a preparation method thereof.
Background
At present, cleaning agents used for cleaning metal materials at home and abroad mainly comprise three types. The first category is solvent cleaning agents, such as solvents of gasoline, kerosene, diesel oil and the like, but the cleaning agents are gradually eliminated due to the waste of energy sources, flammability and explosiveness, insecurity and the like. The second category is halogenated alkane cleaning agents, such as 1-1-1 trichloroethane, which have high cleaning cost and are uneconomical, thus limiting the popularization range. The third class is water-based cleaning agent, and the cleaning agents commonly used at present have the defects of corrosion to the metal surface, poor rust resistance, poor bleaching property, poor biodegradability, toxicity, over-standard phosphorus content and the like, and can not well meet the requirements in the production process.
The aluminum alloy not only has low density, corrosion resistance, high specific strength and easy forming, but also has a series of excellent physical, chemical, mechanical and processing properties such as good electric and thermal conductivity, no toxicity, no magnetism, capability of being subjected to various surface treatments and the like, so that the aluminum alloy and the new material thereof are widely applied in the aspects of packaging and printing, electronic and electric power, modern transportation, power energy, metallurgical industry, household appliances and the like, and in view of the above, the aluminum alloy is successively endowed with new vitality and use value at home and abroad.
However, the metallic aluminum material needs to be cleaned before being processed, and generally, the cleaned metallic aluminum material needs to be processed and prepared into elements such as general machine parts and precision components. Because aluminium itself is more active, current cleaner, for the cleaning effect is obvious, adopts the very high cleaning solution of acidity or basicity more, and the in-process of wasing like this is great to the aluminium product corrosivity, has caused the loss of aluminium product to a certain extent. Moreover, the cleaning effect of the existing cleaning agent is not ideal, and especially for metal parts with heavy oil stains, the cleaned aluminum material is easy to have a black surface layer, which brings troubles to subsequent processing and especially causes confusion to the processing of precise components. In addition, the existing cleaning agent has strong corrosion to equipment, and the equipment cost is increased. Meanwhile, these cleaning agents have a long cleaning time, require a cleaning time of 10 to 30 minutes, and have poor rinsing properties.
Therefore, the development of a metal cleaner remains one of the problems to be solved in the art.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a metal cleaning agent which not only has the advantages of strong heavy oil stain removing capability and high cleaning speed, but also has the advantages of excellent metal corrosion resistance and biodegradability.
The technical purpose of the invention is realized by the following technical scheme:
the metal cleaning agent comprises, by weight, 1-20% of an organic solvent, 1-5% of a corrosion inhibitor, 1-7% of an emulsifier, 1-5% of a penetrant, 1-10% of a dispersant, 1-5% of a builder, 1-10% of a surfactant, 0.5-3% of a chelating agent, and the balance of water.
Preferably, the organic solvent comprises dipropylene glycol monobutyl ether and/or diethylene glycol monobutyl ether.
Preferably, the corrosion inhibitor comprises the following components in a weight ratio of 1: 1, the component A is selected from one of benzotriazole, a Grey lan826 corrosion inhibitor and imidazoline, and the component B is selected from one of triethanolamine and diethanolamine.
Preferably, the emulsifier comprises lauryl alcohol random polyether and/or isooctanol polyoxyethylene polyoxypropylene ether.
Preferably, the osmotic agent comprises sodium isooctanoate sulfate and/or sodium dodecyl sulfate.
Preferably, the dispersant comprises monoethanolamine and/or sodium dodecyl diphenyl oxide disulfonate.
Preferably, the builder is prepared by the following process: dispersing graphene oxide in a mixed solution containing ethylene glycol and water to obtain a graphene oxide dispersion solution, heating the graphene oxide dispersion solution and 4-aminophenylboronic acid under an alkaline condition, and washing and drying to obtain the builder;
the weight ratio of the using amount of the graphene oxide to the using amount of the 4-aminophenylboronic acid is 1: 0.7-0.9;
the pH value of the alkaline condition is 9-11, and/or the temperature of the heat treatment is 90-100 ℃, and/or the washing comprises an aqueous solution of methanol and/or ethanol.
Preferably, the surfactant comprises coconut oil fatty acid diethanolamide and/or sodium dodecylbenzenesulfonate.
Preferably, the chelating agent comprises sodium nitrilotriacetate and/or sodium gluconate.
The metal cleaning agent can be added with a certain amount of pigment for color matching according to the requirement.
The invention also provides a preparation method of the metal cleaning agent, which comprises the following steps: uniformly mixing the builder and the organic solvent, adding the surfactant, the dispersant, the emulsifier, the corrosion inhibitor, the penetrant, the chelating agent and the deionized water, and uniformly mixing to obtain the metal cleaning agent.
In conclusion, the invention has the following beneficial effects:
firstly, the invention utilizes the synergistic effect among the raw materials to bring the effects of the raw materials into full play, and the obtained metal cleaning agent has the advantages of strong heavy oil dirt removing capability and high cleaning speed. In addition, the metal cleaning agent also has the advantages of excellent metal corrosion resistance and biodegradability.
Secondly, the metal cleaning agent has simple production process, simple use method, low cost and less addition amount, is suitable for cleaning and keeping clean the surfaces of products such as railway vehicle bodies, bogies, parts, rubber, vehicle electrical appliances, mechanical equipment and the like, and parts are clean, bright, free of corrosion and residue after being cleaned by the metal cleaning agent.
Detailed Description
The present invention will be described in further detail with reference to examples.
Example 1
Preparation of the builder: dispersing graphene oxide in a mixed solution containing ethylene glycol and water to obtain a dispersion liquid of the graphene oxide, carrying out amination reaction on the dispersion liquid of the graphene oxide and 4-aminophenylboronic acid under the conditions that the pH value is 9 and the temperature is 100 ℃, carrying out heat preservation reaction for 2 hours, washing by adopting an aqueous solution of the ethanol, and drying to obtain the builder. Wherein the weight ratio of the dosage of the graphene oxide to the dosage of the 4-aminophenylboronic acid is 1: 0.7.
the mixed solution of the ethylene glycol and the water is used for dispersing the graphene oxide, dissolving the 4-aminophenylboronic acid in the dispersion solution of the graphene oxide and carrying out amination reaction on the graphene oxide and the 4-aminophenylboronic acid; the total amount of the mixed solution of ethylene glycol and water and the weight ratio of the amounts of ethylene glycol and water are only required to achieve the above purpose, and in this embodiment, the weight ratio of 1: 1, wherein the weight ratio of the total using amount of the mixed solution of the ethylene glycol and the water to the graphene oxide is 5: 1. the ethanol water solution has the function of washing the prepared builder, the boiling point is low, the washed builder is convenient to dry, the ethanol water solution with any concentration can meet the requirement, and the property of the builder is not affected.
Preparing a metal cleaning agent: according to the weight percentage, 4% of builder and 10% of dipropylene glycol monobutyl ether are uniformly mixed, and then 2.5% of benzotriazole, 2.5% of triethanolamine, 5% of dodecanol random polyether, 2% of isooctyl alcohol sodium sulfate, 5% of monoethanolamine, 3% of coconut oil fatty acid diethanol amide, 2% of sodium nitrilotriacetate and the balance of deionized water are added and uniformly mixed to obtain the metal cleaning agent.
Example 2
Preparation of the builder: dispersing graphene oxide in a mixed solution containing ethylene glycol and water to obtain a dispersion liquid of the graphene oxide, carrying out an amination reaction on the dispersion liquid of the graphene oxide and 4-aminophenylboronic acid under the conditions that the pH value is 10 and the temperature is 95 ℃, carrying out a heat preservation reaction for 3.5 hours, washing with an aqueous solution of ethanol, and drying to obtain the builder. Wherein the weight ratio of the dosage of the graphene oxide to the dosage of the 4-aminophenylboronic acid is 1: 0.8. in this example, the weight ratio of 1: 1, wherein the weight ratio of the total using amount of the mixed solution of the ethylene glycol and the water to the graphene oxide is 5: 1.
preparing a metal cleaning agent: according to the weight percentage, 4% of builder and 15% of diethylene glycol monobutyl ether are uniformly mixed, and then 2% of gridlan 826 corrosion inhibitor, 2% of diethanolamine, 2% of isooctanol polyoxyethylene polyoxypropylene ether, 3% of sodium dodecyl sulfate, 2% of sodium dodecyl diphenyl ether disulfonate, 2% of sodium dodecyl benzene sulfonate, 1% of sodium gluconate and the balance of deionized water are added and uniformly mixed to obtain the metal cleaning agent.
Example 3
Preparation of the builder: dispersing graphene oxide in a mixed solution containing ethylene glycol and water to obtain a dispersion liquid of the graphene oxide, carrying out amination reaction on the dispersion liquid of the graphene oxide and 4-aminophenylboronic acid under the conditions that the pH value is 11 and the temperature is 90 ℃, carrying out heat preservation reaction for 5 hours, washing by adopting an aqueous solution of the ethanol, and drying to obtain the builder. Wherein the weight ratio of the dosage of the graphene oxide to the dosage of the 4-aminophenylboronic acid is 1: 0.9. in this example, the weight ratio of 1: 1, wherein the weight ratio of the total using amount of the mixed solution of the ethylene glycol and the water to the graphene oxide is 5: 1.
preparing a metal cleaning agent: according to the weight percentage, 3% of builder and 5% of dipropylene glycol monobutyl ether are uniformly mixed, then 2.5% of imidazoline, 2.5% of triethanolamine, 3% of dodecanol random polyether, 2% of sodium dodecyl sulfate, 6% of sodium dodecyl diphenyl ether disulfonate, 4% of coconut oil/fatty acid diethanolamide, 3% of sodium gluconate and the balance of deionized water are added and uniformly mixed, and the metal cleaning agent is obtained.
Example 4
Preparation of the builder: the same as in example 2.
Preparing a metal cleaning agent: according to the weight percentage, 5% of builder and 18% of diethylene glycol monobutyl ether are uniformly mixed, and then 2% of benzotriazole, 2% of diethanolamine, 4% of dodecanol random polyether, 3% of isooctyl alcohol sodium sulfate, 8% of sodium dodecyl diphenyl ether disulfonate, sodium metasilicate pentahydrate, 6% of coconut oil fatty acid diethanolamide, 1% of sodium nitrilotriacetate and the balance of deionized water are added and uniformly mixed to obtain the metal cleaning agent.
Comparative example 1
Preparation of the builder: the same as in example 1.
Preparing a metal cleaning agent: compared with the corrosion inhibitor in the embodiment 1, the corrosion inhibitor does not adopt benzotriazole, and only adopts 5 weight percent of triethanolamine.
Comparative example 2
Preparation of the builder: the same as in example 2.
Preparing a metal cleaning agent: compared with example 2, except that the corrosion inhibitor does not use the Gracilalan 826 corrosion inhibitor, only uses 4% by weight of diethanolamine.
Comparative example 3
Preparation of the builder: the same as in example 3.
Preparing a metal cleaning agent: compared with the example 3, the difference is that the corrosion inhibitor does not adopt imidazoline, and only adopts triethanolamine with the weight percentage of 5 percent.
Comparative example 4
Preparing a metal cleaning agent: in contrast to example 1, the builder was replaced with sodium metasilicate pentahydrate.
Comparative example 5
Preparing a metal cleaning agent: in contrast to example 2, the builder was replaced with sodium metasilicate nonahydrate.
Comparative example 6
Preparing a metal cleaning agent: in contrast to example 2, the builder was replaced with sodium tetraborate decahydrate.
The metal cleaning agents of the examples and the comparative examples are tested for the relevant performance, and the specific results are as follows:
1. metal corrosivity detection
The metal corrosiveness of the metal cleaning agents of the examples 1-4 and the comparative examples 1-3 is detected according to the Chinese railway general company enterprise standard Q/CR468-2005, and the specific test requirements and test results are respectively shown in tables 1 and 2:
TABLE 1 physicochemical Properties of cleaning Agents
Wherein the appearance rating standard is as follows: level 0: the metal surface has no color change and no light loss; level 1: the metal surface is slightly dull or discolored, but still has metallic luster; and 2, stage: the metal surface is visibly lost of light, discolored or mottled.
The metal cleaners of examples 1 to 4 and comparative examples 1 to 3, which were weakly alkaline, were evaluated with reference to form I in Table 1.
TABLE 2 appearance and Corrosion test results for Metal cleaners
From the results of table 2 it can be seen that: the metal cleaner of examples 1 to 4 of the present invention has excellent metal corrosion resistance. As can be seen from the comparison of examples 1 to 3 with comparative examples 1 to 3, the component A and the component B in the corrosion inhibitor synergistically enhance the metal corrosion resistance of the metal cleaner of the present invention. It can be seen from comparison of examples 1 to 3 and comparative examples 4 to 6 that the metal corrosion resistance of the metal cleaner of the present invention can be greatly enhanced by using the builder of the present invention, as compared with the builders of the prior art, and the metal corrosion resistance of the metal cleaner of the present invention can be significantly positively influenced.
2. Biodegradability test:
the biodegradability test is carried out according to GB/T15818, and the test result shows that: the surfactants in the metal cleaning agents of examples 1 to 4 and comparative examples 4 to 6 can be respectively reduced by more than 95 percent, and have good biodegradability; the surfactants in the cleaning agents of comparative examples 1-3 can only be reduced by about 80% and cannot meet the relevant requirements. Therefore, the builder provided by the invention has no influence on the biodegradability of the surfactant of the metal cleaner, and the component A and the component B in the corrosion inhibitor can synergistically enhance the biodegradability of the metal cleaner.
When the metal cleaning agent provided by the invention is used for cleaning, the metal cleaning agent can be used in the following modes:
the use method I comprises the following steps: the metal cleaning agent is directly used for cleaning, spraying or smearing on the surface of the part, then the part is wiped by scouring pad and the like, the cleaning temperature is room temperature, the cleaning time is 5 minutes, and finally the part is washed clean by clear water.
The use method II comprises the following steps: preparing the metal cleaning agent into an aqueous solution with the mass concentration of 3%, then using the aqueous solution for cleaning parts, wherein the cleaning temperature is 50-70 ℃, the cleaning time is 5-10 minutes, and the cleaned parts are washed clean by clean water.
It should be understood that the preparation methods described in the examples are only for illustrating the present invention and are not to be construed as limiting the present invention, and that the simple modifications of the preparation methods of the present invention based on the concept of the present invention are within the scope of the present invention as claimed.
Claims (8)
1. The metal cleaning agent is characterized in that the raw materials comprise, by weight, 10% -20% of an organic solvent, 1% -5% of a corrosion inhibitor, 1% -7% of an emulsifier, 1% -5% of a penetrant, 1% -10% of a dispersant, 1% -5% of a builder, 1% -10% of a surfactant, 0.5% -3% of a chelating agent, and the balance deionized water;
the organic solvent comprises dipropylene glycol monobutyl ether and/or diethylene glycol monobutyl ether;
the builder is prepared by the following method: dispersing graphene oxide in a mixed solution containing ethylene glycol and water to obtain a graphene oxide dispersion solution, heating the graphene oxide dispersion solution and 4-aminophenylboronic acid under an alkaline condition, and washing and drying to obtain the builder;
the weight ratio of the using amount of the graphene oxide to the using amount of the 4-aminophenylboronic acid is 1: 0.7-0.9;
the pH value of the alkaline condition is 9-11, and/or the temperature of the heat treatment is 90-100 ℃, and/or the washing comprises an aqueous solution of methanol and/or ethanol.
2. The metal cleaner according to claim 1, wherein the corrosion inhibitor comprises the following components in a weight ratio of 1: 1, the component A is selected from one of benzotriazole, a Grey lan826 corrosion inhibitor and imidazoline, and the component B is selected from one of triethanolamine and diethanolamine.
3. The metal cleaner as claimed in claim 1, wherein the emulsifier comprises lauryl alcohol random polyether and/or isooctanol polyoxyethylene polyoxypropylene ether.
4. The metal cleaner of claim 1, wherein the penetrant comprises sodium isooctyl alcohol sulfate and/or sodium dodecyl sulfate.
5. The metal cleaner as claimed in claim 1, wherein the dispersant comprises monoethanolamine and/or sodium dodecyl diphenyl oxide disulfonate.
6. The metal cleaner of claim 1, wherein the surfactant comprises coconut diethanolamide and/or sodium dodecyl benzene sulfonate.
7. The metal cleaner of claim 1, wherein the chelating agent comprises sodium nitrilotriacetate and/or sodium gluconate.
8. The method for preparing a metal cleaner as claimed in any one of claims 1 to 7, comprising the steps of: uniformly mixing the builder and the organic solvent, adding the surfactant, the dispersant, the emulsifier, the corrosion inhibitor, the penetrant, the chelating agent and the deionized water, and uniformly mixing to obtain the metal cleaning agent.
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| CN110564522A (en) * | 2019-08-28 | 2019-12-13 | 南通科星化工有限公司 | Phosphorus-free cleaning agent |
| CN111171969A (en) * | 2020-01-04 | 2020-05-19 | 东莞市米乐尔金属制品有限公司 | Metal cleaning liquid and preparation method thereof |
| CN112175749A (en) * | 2020-10-16 | 2021-01-05 | 上海航翼高新技术发展研究院有限公司 | Micro-nano bubble cleaning agent for airplane and preparation method and application thereof |
| CN112831792A (en) * | 2021-02-03 | 2021-05-25 | 杭州道玛科技有限公司 | Phosphorus-free antirust metal cleaning agent and preparation method thereof |
| CN113563989A (en) * | 2021-08-04 | 2021-10-29 | 上海淑苑科技有限公司 | Jewelry cleaning agent and preparation method thereof |
| CN113430056A (en) * | 2021-08-04 | 2021-09-24 | 上海淑苑科技有限公司 | Jewelry and precious metal cleaning agent and preparation method thereof |
| CN113862689B (en) * | 2021-09-26 | 2022-10-25 | 南通科星化工股份有限公司 | Efficient metal cleaning agent and preparation method thereof |
| CN117737743A (en) * | 2023-12-29 | 2024-03-22 | 超滑科技(佛山)有限责任公司 | Efficient low-foam antirust ferrous metal water-based cleaning agent and preparation method thereof |
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| CN101538512B (en) * | 2009-03-11 | 2011-06-08 | 上海九盛实业有限公司 | Water-based cleaner |
| CN103215611B (en) * | 2013-03-27 | 2016-06-22 | 沈阳帕卡濑精有限总公司 | A kind of Phosphorus-Free Water-Based Cleaning Agent for Metals |
| CN104560447A (en) * | 2015-02-06 | 2015-04-29 | 厦门大学 | Nanometer wax-removal degreasing cleaning agent and preparation method thereof |
| CN107513719A (en) * | 2017-08-04 | 2017-12-26 | 郴州国盛新材科技有限公司 | A kind of metal cleaner for adding functional modification graphene and preparation method thereof |
| CN108424705B (en) * | 2018-03-15 | 2019-10-25 | 厦门大学 | A kind of high dispersion modified graphene oxide, preparation method and its anticorrosive paint |
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