CN108385117B - multifunctional alkaline cleaning agent and preparation method and application thereof - Google Patents
multifunctional alkaline cleaning agent and preparation method and application thereof Download PDFInfo
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- CN108385117B CN108385117B CN201810329159.6A CN201810329159A CN108385117B CN 108385117 B CN108385117 B CN 108385117B CN 201810329159 A CN201810329159 A CN 201810329159A CN 108385117 B CN108385117 B CN 108385117B
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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
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
- C23G1/19—Iron or steel
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Abstract
the invention discloses a multifunctional alkaline cleaning agent, which comprises the following raw materials in parts by weight: potassium carbonate: 2-5 parts; sodium gluconate: 2-5 parts; coconut oil fatty acid diethanolamide: 0.5-5 parts; sodium dodecylbenzenesulfonate: 2-5 parts; monoethanolamine borate: 5-10 parts; dipropylene glycol methyl ether: 5-10 parts; penetrant: 5-10 parts; solubilizer: 0.5-5 parts; HEDP-4 Na: 10-20 parts; and water is added to make up to 100 parts. The steel product treated by the cleaning agent has high surface cleanliness, no oil stain residue, no scrap iron, rust scale and dust particle residue, can meet the requirement of inter-process rust prevention after being washed, can increase the surface brightness of the steel product, and has long service life, low use concentration and 10-20 days of rust prevention; the method is safe, environment-friendly, harmless to human bodies, wide in raw material source, easy to obtain, low in cost and suitable for large-scale production.
Description
Technical Field
the invention belongs to the field of chemical cleaning and rust prevention, and relates to a cleaning and rust prevention agent, in particular to a multifunctional alkaline cleaning agent and a preparation method thereof.
background
steel is the earliest and most used basic material in modern industry. In various processing processes of steel products, such as cutting, grinding and the like, certain dirt such as oil stain, iron powder, scrap iron and the like can be left. These stains adhere to metals by physical adsorption, electrostatic adsorption, or the like, and are difficult to remove. Meanwhile, the steel has active chemical properties, and can be subjected to oxidation reaction with oxygen after being exposed in air for a long time or be corroded to oxide by oxygen in water, namely the iron rust. Although these rust can be cleaned by using a conventional cleaning agent, the conventional cleaning agent has the following problems: 1. the oil stain on the surface of the cleaned steel product is basically removed, but a large amount of fine particles such as dust, iron powder and the like are remained; 2. the rust removal effect is not achieved for rusted steel products before cleaning; 3. after cleaning, the steel product can rust in a short time.
The following two published patents related to this patent were found by search:
1. The multifunctional cleaning agent and the preparation method (CN201110051370.4) respectively comprise the following components: 10 to 30 percent of sodium lauryl polyether sulfate, 91 to 5 percent of lauryl polyether, 1 to 5 percent of PPG-2 butyl ether, 71 to 5 percent of lauryl polyether, 0.5 to 2 percent of octyl glucoside, 0.1 to 2 percent of citric acid, 0.01 to 0.5 percent of daily essence, 0.1 to 2 percent of borax, 0.1 to 2 percent of alkaline protease, 0.01 to 0.5 percent of preservative, 0.01 to 0.1 percent of calcium chloride and the balance of deionized water. The product is mainly used for cleaning the surfaces of floors, ceramic tiles, bathtubs and various household articles and cleaning clothes. Different from the application range of the invention and different from the scheme of the invention.
2. the ash-removing cleaning rust inhibitor and the preparation method (CN102168279B) thereof respectively comprise the following components: ethylene glycol tetraacetic acid solution: 1 to 2 percent; sodium polyacrylate: 1 to 4.5 percent; 2.5 to 7.5 percent of isomeric alcohol ether; AEO-3: 0.8-4.5; propylene glycol methyl ether: 2.5 to 12 percent; triazine bactericide: 0.8 to 3; the balance being water. The cleaning agent is prepared by adopting an organic alkaline chelating dispersant, a surfactant and an antirust agent as main raw materials through a scientific processing technology, the surface of the cleaning agent is bright as new after cleaning, and the cleaning agent can meet the requirement of inter-process antirust after being washed by water. Which is substantially different from the inventive solution.
by contrast, the present patent application is substantially different from the above patent publications.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a multifunctional alkaline cleaning agent and a preparation method thereof, the cleaning agent is suitable for surface dust removal, oil removal, rust removal and rust prevention treatment of steel products, and cleaning modes such as soaking, vortex, bubbling, ultrasonic and the like can be adopted; the steel product treated by the liquid has high surface cleanliness, no residual dirt, scrap iron, rust scale and dust particles, can meet the requirement of inter-process rust prevention after being washed, can increase the surface brightness of the steel product, and has long service life, low use concentration and 10 to 20 days of rust prevention; the product is safe, environment-friendly, harmless to human body, wide in raw material source, easy to obtain, low in cost and suitable for large-scale production.
the technical scheme adopted by the invention for solving the technical problems is as follows:
a multifunctional alkaline cleaning agent comprises the following raw material components in parts by weight:
potassium carbonate K2CO 3: 2-5 parts;
Sodium gluconate: 2-5 parts;
coconut oil fatty acid diethanolamide C11H23CON (CH 2OH) 2: 0.5-5 parts;
sodium dodecylbenzenesulfonate C18H29NaO 3S: 2-5 parts;
monoethanolamine borate: 5-10 parts;
Dipropylene glycol methyl ether: 5-10 parts;
penetrant: 2-10 parts;
solubilizer: 0.5-5 parts;
HEDP-4 Na: 10-20 parts;
and water is added to make up to 100 parts.
moreover, the penetrant is a high-efficiency penetrant.
moreover, the solubilizer is a high-efficiency solubilizer.
the preparation method of the multifunctional alkaline cleaning agent comprises the following steps:
adding water and HEDP-4Na liquid with reaction amount into a reaction kettle according to a ratio, adding potassium carbonate and sodium gluconate with reaction amount at 25-50 ℃, and stirring until the potassium carbonate and the sodium gluconate are completely dissolved; cooling to below 40 deg.C;
Adding coconut oil fatty acid diethanolamide, sodium dodecyl benzene sulfonate, a penetrating agent, a solubilizer and monoethanolamine borate according to a proportion, adding dipropylene glycol methyl ether, and continuously stirring for 30 minutes until the solution is clear and transparent; keeping the temperature of the reaction kettle at 25-45 ℃ in the reaction process;
and performing natural cooling to room temperature after the reaction is finished, and standing for 10-20 minutes to obtain the multifunctional alkaline cleaning agent.
The multifunctional alkaline cleaning agent is applied to the aspects of dust removal, oil removal, rust removal and rust prevention treatment of the surfaces of steel products.
the invention has the advantages and positive effects that:
1. the cleaning agent has simple composition, simple processing operation and scientific action mechanism, and potassium carbonate provides stable pH value and has synergistic action with HEDP-4Na to realize chelation, dispersion and stripping of various dirt on the metal surface and provide synergistic action with the dirt; the synergistic effect of the sodium gluconate and the HEDP-4Na is realized to complex rust scale on the surface of the steel product, so that the rust scale is stripped from the surface of the steel product; the penetrant, coconut oil fatty acid diethanolamide (Ninol) and sodium dodecyl benzene sulfonate can clean oil stains, dust and scrap iron adsorbed on the surface of steel through the functions of penetration, emulsification dispersion and the like; HEDP-4Na and boric acid monoethanolamine mutually adsorb a layer of passivation, water repellent and antirust film on the metal surface, and the film has the repelling effect on water and oil stains; therefore, after cleaning, the metal surface is clean and has no oil stain residue; the antirust film still has antirust effect even after being rinsed or washed by water; the solubilizer and the dipropylene glycol methyl ether are matched to effectively dissolve oil stains, the cleaning speed is improved, and simultaneously the low-temperature stability of the product can be effectively maintained, so that the product is particularly suitable for severe northern areas in winter.
2. the cleaning agent is simple and convenient to use, obvious in effect, low in using amount during use, wide in use temperature range (40-70 ℃), economical (the using quality (or weight) concentration is 3-10%), simple to use, safe, environment-friendly, free of nitrite and high in working efficiency, and the rust prevention effect among the working procedures can be achieved without carrying out rust prevention treatment on steel products after cleaning.
3. The cleaning agent is prepared by adopting an organic alkaline chelating dispersant and a surfactant as main raw materials through a scientific processing technology, and the surfaces of steel products after cleaning do not have oil stain, rust, dust and iron powder residue and can meet the requirement of rust prevention between working procedures; the cleaning agent is alkaline, the sources of the used raw materials are wide, the cleaning agent is simple and convenient to obtain, and the steel products treated by the cleaning agent can be directly assembled or packaged.
4. the cleaning agent is suitable for soaking, bubbling, vortex and ultrasonic cleaning, the surface of a steel product treated by the cleaning agent is high in cleanliness, free of particles, scrap iron and white spot residues on the surface and bright in surface, long in service cycle, low in use concentration, and capable of achieving an anti-rust period of 15-20 days, and still has an anti-rust effect even after being rinsed and washed. The cleaning agent is safe, environment-friendly, wide in raw material source, easy to obtain, low in cost and suitable for large-scale production, and is suitable for surface dust removal, oil removal, rust removal and rust prevention treatment of steel products.
Detailed Description
the following detailed description of the embodiments of the present invention is provided for the purpose of illustration and not limitation, and should not be construed as limiting the scope of the invention.
the raw materials used in the invention are conventional commercial products unless otherwise specified; the methods used in the present invention are, unless otherwise specified, conventional in the art; the concentrations of the individual substances used according to the invention are the usual concentrations.
example 1:
A multifunctional alkaline cleaning agent comprises the following raw material components in percentage by weight:
potassium carbonate: 3 percent;
sodium gluconate: 4 percent;
Coconut oil fatty acid diethanolamide C11H23CON (CH 2OH) 2: 3 percent;
Sodium dodecylbenzenesulfonate C18H29NaO 3S: 2 percent;
Monoethanolamine borate: 5 percent;
dipropylene glycol methyl ether: 5 percent of
high-efficiency penetrant: 10 percent of
High-efficiency solubilizer: 2 percent of
HEDP-4Na：10％。
The balance being water.
the preparation method of the multifunctional alkaline cleaning agent comprises the following steps:
Adding water with reaction amount and an HEDP-4Na solution into a reaction kettle according to a ratio, adding potassium carbonate and sodium gluconate with reaction amount at a temperature of between 25 and 50 ℃, and stirring until the potassium carbonate and the sodium gluconate are completely dissolved; cooling to below 40 deg.C.
Adding coconut oil fatty acid diethanolamide, sodium dodecyl benzene sulfonate, a high-efficiency penetrating agent, a high-efficiency solubilizer and monoethanolamine borate according to the proportion, adding dipropylene glycol methyl ether, and continuously stirring for 30 minutes until the solution is clear and transparent. The temperature of the reaction kettle is kept between 25 and 45 ℃ in the reaction process.
and performing natural cooling to room temperature after the reaction is finished, and standing for 10-20 minutes to obtain the multifunctional alkaline cleaning agent.
example 2:
a multifunctional alkaline cleaning agent comprises the following components in percentage by weight:
potassium carbonate: 2 percent;
Sodium gluconate: 3 percent;
coconut oil fatty acid diethanolamide C11H23CON (CH 2OH) 2: 4 percent;
sodium dodecylbenzenesulfonate C18H29NaO 3S: 3 percent;
monoethanolamine borate: 8 percent;
Dipropylene glycol methyl ether: 5 percent;
High-efficiency penetrant: 2 percent;
High-efficiency solubilizer: 5 percent;
HEDP-4Na：12％。
the balance being water.
The preparation method of the multifunctional alkaline cleaner is the same as that of the embodiment 1.
Example 3
a multifunctional alkaline cleaning agent comprises the following raw material components in parts by weight:
potassium carbonate K2CO 3: 2-5 parts;
sodium gluconate: 2-5 parts;
Coconut oil fatty acid diethanolamide C11H23CON (CH 2OH) 2: 0.5-5 parts;
Sodium dodecylbenzenesulfonate C18H29NaO 3S: 2-5 parts;
monoethanolamine borate: 5-10 parts;
dipropylene glycol methyl ether: 5-10 parts;
penetrant: 2-10 parts;
Solubilizer: 0.5-5 parts;
HEDP-4 Na: 10-20 parts;
and water is added to make up to 100 parts.
The preparation method of the multifunctional alkaline cleaning agent comprises the following steps:
Adding water with reaction amount and an HEDP-4Na solution into a reaction kettle according to a ratio, adding potassium carbonate and sodium gluconate with reaction amount at a temperature of between 25 and 50 ℃, and stirring until the potassium carbonate and the sodium gluconate are completely dissolved; cooling to below 40 deg.C;
Adding coconut oil fatty acid diethanolamide, sodium dodecyl benzene sulfonate, a penetrating agent, a solubilizer and monoethanolamine borate according to a proportion, adding dipropylene glycol methyl ether, and continuously stirring for 30 minutes until the solution is clear and transparent; the temperature of the reaction kettle is kept between 25 and 45 ℃ in the reaction process.
and performing natural cooling to room temperature after the reaction is finished, and standing for 10-20 minutes to obtain the multifunctional alkaline cleaning agent.
the multifunctional alkaline cleaning agent is applied to the aspects of dust removal, oil removal, rust removal and rust prevention treatment of the surfaces of steel products.
Application example 1:
the machined carbon steel plate for the heat exchanger is cleaned by the cleaning agent of the invention through a bubbling method to clean oil stain, dust, scrap iron and rust scale on the surface of the carbon steel plate for the heat exchanger, the cleaning is carried out for 10 minutes at the temperature of 50 ℃, the concentration of the working solution is 10 percent, then the cleaning is carried out, and the treated steel plate is bright as new, has no solid residue and has no white residue. After 20 days, the steel plate has no corrosion, pitting corrosion and white residue precipitation.
application example 2:
Machining the machined part; the cleaning agent of the invention is used for cleaning grinding paste, dust and scrap iron on the surface of a steel part by ultrasonic waves, the steel part is cleaned for 6 minutes at the temperature of 65 ℃, the concentration of working solution is 3 percent, and then the steel part is rinsed clean, and the treated part is bright as new, has no solid residue and has no white residue. After the steel plate is stored in a storehouse for 10 days, no corrosion, pitting corrosion and white residue are separated out.
Quality standard:
appearance: colorless to light yellow transparent liquid;
Density: 1.232-1.252;
Refraction value: 40-44;
Equipment and a workpiece: no oil stain, solid particles and rust residue are left after cleaning; no white spot is generated after washing;
And (3) antirust time: less than 20 days;
The use concentration is as follows: 3-10% of a diluent;
the cleaning temperature is 40-70 ℃;
Soaking, vortex, bubbling and ultrasonic wave time: 3-30 minutes.
Claims (3)
1. a multifunctional alkaline cleaning agent is characterized in that: the raw material components and the parts by weight are as follows:
potassium carbonate K2CO 3: 2-5 parts;
sodium gluconate: 2-5 parts;
coconut oil fatty acid diethanolamide C11H23CON (CH 2OH) 2: 0.5-5 parts;
sodium dodecylbenzenesulfonate C18H29NaO 3S: 2-5 parts;
Monoethanolamine borate: 5-10 parts;
Dipropylene glycol methyl ether: 5-10 parts;
penetrant: 2-10 parts;
solubilizer: 0.5-5 parts;
HEDP-4 Na: 10-20 parts;
water is added to 100 parts;
The penetrant is a high-efficiency penetrant;
the solubilizer is a high-efficiency solubilizer.
2. a method for preparing the multifunctional alkaline cleaner as claimed in claim 1, characterized in that: the method comprises the following steps:
Adding reaction amount of water and HEDP-4Na solution into a reaction kettle according to a ratio, adding reaction amount of potassium carbonate and sodium gluconate at 25-50 ℃, and stirring until the potassium carbonate and the sodium gluconate are completely dissolved; cooling to below 40 deg.C;
adding coconut oil fatty acid diethanolamide, sodium dodecyl benzene sulfonate, penetrant, solubilizer and monoethanolamine borate according to the proportion, adding dipropylene glycol methyl ether, and continuously stirring for 30 minutes until the solution is clear and transparent; keeping the temperature of the reaction kettle at 25-45 ℃ in the reaction process;
and naturally cooling to room temperature after the reaction is finished, and standing for 10-20 minutes to obtain the multifunctional alkaline cleaning agent.
3. the multifunctional alkaline cleaner as claimed in claim 1, which is used for the surface dust-removing, oil-removing, rust-removing and rust-preventing treatment of steel products.
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| CN111979554A (en) * | 2020-07-28 | 2020-11-24 | 华阳新兴科技（天津）集团有限公司 | Rapid cleaning agent for aluminum plate and strip and preparation method and application thereof |
| CN113583765A (en) * | 2021-08-11 | 2021-11-02 | 诺而曼环保科技（江苏）有限公司 | Emulsified hydrocarbon cleaning agent and preparation method thereof |
| CN114082305A (en) * | 2021-11-11 | 2022-02-25 | 西安热工研究院有限公司 | Reverse osmosis cleaning agent for microorganism and organic matter pollution and preparation method thereof |
| CN114318353B (en) * | 2021-12-27 | 2023-12-05 | 广东红日星实业有限公司 | Ash remover and preparation method and application thereof |
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| CN104674250A (en) * | 2013-12-02 | 2015-06-03 | 青岛浩泰水务有限公司 | Ferrous metal alkaline cleaner |
| CN106702401A (en) * | 2015-11-16 | 2017-05-24 | 安徽鸿源新型润滑材料有限公司 | Cleaning agent and preparation method thereof |
| CN105821429A (en) * | 2016-04-21 | 2016-08-03 | 丽水市人民医院 | Maintenance method for rust prevention of stainless steel pool for cleaning medical instrument in hospital |
| CN107761123A (en) * | 2017-10-13 | 2018-03-06 | 广州迪奕科环保科技有限公司 | A kind of environmentally friendly oil pipeline cleaning agent |
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Effective date of registration: 20210219 Address after: 300000 within 42 HongRi South Road, Nankai District, Tianjin (Science and Technology Park) Patentee after: HUAYANG XINXING TECHNOLOGY (TIANJIN) GROUP Co.,Ltd. Patentee after: Leshi Technology (Tianjin) Co.,Ltd. Address before: 300111 No.42, HongRi South Road, Nankai District, Tianjin (Science and Technology Park) Patentee before: HUAYANG XINXING TECHNOLOGY (TIANJIN) GROUP Co.,Ltd. |
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