CN110453232B - Phosphorus-free normal-temperature composite metal surface degreasing agent - Google Patents
Phosphorus-free normal-temperature composite metal surface degreasing agent Download PDFInfo
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- CN110453232B CN110453232B CN201910801279.6A CN201910801279A CN110453232B CN 110453232 B CN110453232 B CN 110453232B CN 201910801279 A CN201910801279 A CN 201910801279A CN 110453232 B CN110453232 B CN 110453232B
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- sodium
- reaction kettle
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- degreasing
- phosphorus
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- 238000005237 degreasing agent Methods 0.000 title claims abstract description 24
- 239000013527 degreasing agent Substances 0.000 title claims abstract description 23
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 22
- 239000002184 metal Substances 0.000 title claims abstract description 22
- 239000002131 composite material Substances 0.000 title description 3
- 238000003756 stirring Methods 0.000 claims abstract description 32
- 239000004115 Sodium Silicate Substances 0.000 claims abstract description 26
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910052911 sodium silicate Inorganic materials 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- CBOCVOKPQGJKKJ-UHFFFAOYSA-L Calcium formate Chemical compound [Ca+2].[O-]C=O.[O-]C=O CBOCVOKPQGJKKJ-UHFFFAOYSA-L 0.000 claims abstract description 18
- 239000004281 calcium formate Substances 0.000 claims abstract description 18
- 229940044172 calcium formate Drugs 0.000 claims abstract description 18
- 235000019255 calcium formate Nutrition 0.000 claims abstract description 18
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims abstract description 13
- MRUAUOIMASANKQ-UHFFFAOYSA-N cocamidopropyl betaine Chemical compound CCCCCCCCCCCC(=O)NCCC[N+](C)(C)CC([O-])=O MRUAUOIMASANKQ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 235000019387 fatty acid methyl ester Nutrition 0.000 claims abstract description 13
- 239000011734 sodium Substances 0.000 claims abstract description 13
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 13
- 239000001509 sodium citrate Substances 0.000 claims abstract description 13
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 claims abstract description 13
- 235000019795 sodium metasilicate Nutrition 0.000 claims abstract description 13
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims abstract description 13
- 229940073507 cocamidopropyl betaine Drugs 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000003109 Disodium ethylene diamine tetraacetate Substances 0.000 claims abstract description 8
- 150000001875 compounds Chemical class 0.000 claims abstract description 8
- 235000019301 disodium ethylene diamine tetraacetate Nutrition 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims abstract description 6
- 235000011083 sodium citrates Nutrition 0.000 claims abstract description 3
- 235000019794 sodium silicate Nutrition 0.000 claims abstract description 3
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 7
- 239000002994 raw material Substances 0.000 claims description 7
- 229960001484 edetic acid Drugs 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 5
- BDOYKFSQFYNPKF-UHFFFAOYSA-N 2-[2-[bis(carboxymethyl)amino]ethyl-(carboxymethyl)amino]acetic acid;sodium Chemical compound [Na].[Na].OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O BDOYKFSQFYNPKF-UHFFFAOYSA-N 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims 1
- 238000005238 degreasing Methods 0.000 abstract description 27
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 5
- 239000011574 phosphorus Substances 0.000 abstract description 5
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 5
- 239000006260 foam Substances 0.000 abstract description 4
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 abstract description 3
- 239000000599 controlled substance Substances 0.000 abstract description 3
- 238000005202 decontamination Methods 0.000 abstract description 3
- 230000003588 decontaminative effect Effects 0.000 abstract description 3
- 230000003381 solubilizing effect Effects 0.000 abstract description 3
- ZGTMUACCHSMWAC-UHFFFAOYSA-L EDTA disodium salt (anhydrous) Chemical compound [Na+].[Na+].OC(=O)CN(CC([O-])=O)CCN(CC(O)=O)CC([O-])=O ZGTMUACCHSMWAC-UHFFFAOYSA-L 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 7
- 239000012459 cleaning agent Substances 0.000 description 5
- 239000004094 surface-active agent Substances 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 239000008233 hard water Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
Abstract
The invention relates to a phosphorus-free normal-temperature compound metal surface degreasing agent, which is prepared by the following method: mixing and stirring fatty acid methyl ester ethoxylate sodium sulfonate, cocamidopropyl betaine, sodium silicate, sodium metasilicate, sodium citrate, disodium ethylene diamine tetraacetate, calcium formate and water until the mixture is clear to obtain a finished product. The phosphorus-free normal-temperature compound metal surface degreasing agent does not contain phosphorus, nitrite and other environment-friendly ring-controlled substances, is safe and environment-friendly, and can be directly discharged after being used; the degreasing efficiency is over 99 percent at the normal temperature of 25 ℃; the degreasing temperature is low, the degreasing time is as short as 1-3 minutes, the degreasing efficiency is high, and the low-foam, solubilizing and decontamination properties are good.
Description
Technical Field
The invention relates to a phosphorus-free normal-temperature compound metal surface degreasing agent, belonging to the technical field of degreasing.
Background
Before the metal chemical treatment, electroplating and coating, the grease and mineral oil on the metal surface are removed by using a degreasing agent. The main degreasing agents comprise the following components: alkaline degreasing agent, emulsion degreasing agent and solvent degreasing agent.
The degreasing agent formula mainly comprising the surfactant does not damage the texture of a metal product when cleaning the surface of the metal, and a small amount of the degreasing agent can emulsify and disperse a large amount of grease, so that oil dirt is easy to separate from the surface of the metal, and the metal cleaning agent is an ideal metal cleaning agent. Commonly used surfactants include anionic surfactants such as LAS and AOS and nonionic surfactants such as AEO. The former has strong detergency but poor hard water resistance, and a chelating agent is added when the detergent is used; the latter is not sensitive to hard water, but the washing temperature is appropriate to prevent the appearance of cloud point.
The formula of the degreasing agent containing the surfactant mainly depends on the emulsification for removing the oil dirt on the metal surface, and the surfactant with a low HLB value is preferably selected. However, these materials are not easy to rinse, and often leave an adsorption film on the surface of the washed object, so that ethanol in the formula can dissolve and remove the adsorbed film. The application formula of the metal degreasing cleaning agent is as follows: the AEO-72 kerosene 13l ethanol 6 dicocodimethylammonium chloride l20 and the phosphoric acid aqueous solution 60 mainly contain alkalis, and the degreasing cleaning agent mainly contains alkalis and a surfactant under the condition of small oil dirt amount, so that the cost of the cleaning agent can be reduced.
Degreasing plays an important role in the metal surface treatment process. The traditional degreasing agent generally has the defects of large foam, poor dispersing performance, easy contamination of oil stains on the surface of metal, slow oil removal and degreasing speed and poor degreasing effect especially under the low-temperature condition. And the discharged waste liquid contains a large amount of phosphorus, which causes environmental pollution.
The degreasing agent generally contains a large amount of phosphorus elements, the using temperature is generally between 45 and 65 ℃, the degreasing agent has extremely poor oil stain removing capability at normal temperature, and the oil stain is only barely removed after the degreasing agent is soaked in a workpiece for more than 2 to 12 hours.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a phosphorus-free normal-temperature composite metal surface degreasing agent, which has the following specific technical scheme:
a phosphorus-free normal-temperature compound metal surface degreasing agent is prepared by the following method: mixing and stirring fatty acid methyl ester ethoxylate sodium sulfonate, cocamidopropyl betaine, sodium silicate, sodium metasilicate, sodium citrate, disodium ethylene diamine tetraacetate, calcium formate and water until the mixture is clear to obtain a finished product.
According to the technical scheme, the mass ratio of the fatty acid methyl ester ethoxylate sodium sulfonate, the cocamidopropyl betaine, the sodium silicate, the sodium metasilicate, the sodium citrate, the disodium ethylene diamine tetraacetate, the calcium formate and the water is (60-70), (30-35), (56-63), (13-15), (22-26) and (11-13) to 750.
According to the further optimization of the technical scheme, the mass ratio of the disodium ethylene diamine tetraacetate to the calcium formate is 2: 1.
The manufacturing method of the technical scheme further comprises the following steps in sequence:
step 1), weighing raw materials according to the formula amount;
step 2), adding water into the reaction kettle, then adding ethylene diamine tetraacetic acid and calcium formate into the reaction kettle, starting the reaction kettle to stir for 60-90 minutes;
step 3), respectively adding sodium citrate, sodium metasilicate, sodium silicate and sodium fatty acid methyl ester ethoxylate sulfonate into the reaction kettle, and stirring for 120-fold stirring for 180 minutes;
step 4), adding the cocamidopropyl betaine into the reaction kettle, controlling the internal temperature of the reaction kettle to be 36-43 ℃ during stirring, and stirring for 100-150 minutes;
step 5), naturally cooling the liquid in the reaction kettle to room temperature, and keeping stirring in the cooling process; stirring at room temperature for 60-80 minutes.
The invention has the beneficial effects that:
the phosphorus-free normal-temperature compound metal surface degreasing agent does not contain phosphorus, nitrite and other environment-friendly ring-controlled substances, is safe and environment-friendly, and can be directly discharged after being used; the degreasing efficiency is over 99 percent at the normal temperature of 25 ℃; the degreasing temperature is low, the degreasing time is as short as 1-3 minutes, the degreasing efficiency is high, and the low-foam, solubilizing and decontamination properties are good.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following 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.
Example 1
Mixing and stirring 60 kg of fatty acid methyl ester ethoxylate sodium sulfonate, 30 kg of cocoamidopropyl betaine, 56 kg of sodium silicate, 56 kg of sodium metasilicate, 13 kg of sodium citrate, 22 kg of ethylene diamine tetraacetic acid disodium, 11 kg of calcium formate and 750 kg of water until the mixture is clear to obtain the finished product.
The manufacturing method sequentially comprises the following steps:
step 1), weighing raw materials according to the formula amount;
step 2), adding water into the reaction kettle, then adding ethylene diamine tetraacetic acid and calcium formate into the reaction kettle, starting the reaction kettle to stir for 60 minutes;
step 3), respectively adding sodium citrate, sodium metasilicate, sodium silicate and sodium fatty acid methyl ester ethoxylate sulfonate into the reaction kettle, and stirring for 120 minutes;
step 4), adding the cocamidopropyl betaine into the reaction kettle, and stirring for 100 minutes while controlling the internal temperature of the reaction kettle at 36-43 ℃;
step 5), naturally cooling the liquid in the reaction kettle to room temperature, and keeping stirring in the cooling process; stirred at room temperature for 60 minutes.
The composition isThe product is subjected to a degreasing test at 25 ℃, the degreasing time is 3 minutes, the degreasing efficiency is up to 99.1 percent, and the surface of the degreased sample has continuous water film and no hanging drop. The product is diluted with 10 times of water, and has a surface tension of 19.7 × 10 at 25 deg.C-3N/m。
Example 2
Mixing and stirring 66 kg of fatty acid methyl ester ethoxylate sodium sulfonate, 33 kg of cocoamidopropyl betaine, 60 kg of sodium silicate, 60 kg of sodium metasilicate, 14 kg of sodium citrate, 25 kg of ethylene diamine tetraacetic acid disodium, 12.5 kg of calcium formate and 750 kg of water until the mixture is clear to obtain a finished product.
The manufacturing method sequentially comprises the following steps:
step 1), weighing raw materials according to the formula amount;
step 2), adding water into the reaction kettle, then adding ethylene diamine tetraacetic acid and calcium formate into the reaction kettle, starting the reaction kettle to stir for 80 minutes;
step 3), respectively adding sodium citrate, sodium metasilicate, sodium silicate and sodium fatty acid methyl ester ethoxylate sulfonate into the reaction kettle, and stirring for 160 minutes;
step 4), adding cocamidopropyl betaine into the reaction kettle, and stirring for 120 minutes while controlling the internal temperature of the reaction kettle at 36-43 ℃;
step 5), naturally cooling the liquid in the reaction kettle to room temperature, and keeping stirring in the cooling process; stirred at room temperature for 70 minutes.
The finished product is subjected to a degreasing test at 25 ℃, the degreasing time is 1 minute, the degreasing efficiency is up to 99.6 percent, and the surface of the degreased sample has continuous water film and no hanging drop. The product is diluted with 10 times of water, and has a surface tension of 17.2 × 10 at 25 deg.C-3N/m。
Example 3
Mixing and stirring 70 kg of fatty acid methyl ester ethoxylate sodium sulfonate, 35 kg of cocoamidopropyl betaine, 63 kg of sodium silicate, 63 kg of sodium metasilicate, 15 kg of sodium citrate, 26 kg of ethylene diamine tetraacetic acid disodium, 13 kg of calcium formate and 750 kg of water until the mixture is clear to obtain the finished product.
The manufacturing method sequentially comprises the following steps:
step 1), weighing raw materials according to the formula amount;
step 2), adding water into the reaction kettle, then adding ethylene diamine tetraacetic acid and calcium formate into the reaction kettle, starting the reaction kettle to stir for 90 minutes;
step 3), respectively adding sodium citrate, sodium metasilicate, sodium silicate and sodium fatty acid methyl ester ethoxylate sulfonate into the reaction kettle, and stirring for 180 minutes;
step 4), adding the cocamidopropyl betaine into the reaction kettle, and stirring for 150 minutes while controlling the internal temperature of the reaction kettle at 36-43 ℃;
step 5), naturally cooling the liquid in the reaction kettle to room temperature, and keeping stirring in the cooling process; stirred at room temperature for 80 minutes.
The finished product is subjected to a degreasing test at 25 ℃, the degreasing time is 2 minutes, the degreasing efficiency is up to 99.3 percent, and the surface of the degreased sample has continuous water film and no hanging drop. The product is diluted with 10 times of water, and has a surface tension of 18.8 × 10 at 25 deg.C-3N/m。
Control test 1
Compared with the example 2, the raw material of the test does not contain disodium ethylene diamine tetraacetate, and a contrast finished product X is finally obtained; the surface tension of the control product X after being diluted by 10 times of water at 25 ℃ is 36.7X 10-3N/m。
Control experiment 2
Compared with the example 2, the raw materials of the test do not contain calcium formate, and a control finished product X is finally obtained; the surface tension of the control product X after being diluted with 10 times of water at 25 ℃ is 39.3X 10-3N/m。
In the above embodiment, the mass ratio of the disodium edetate to the calcium formate is 2: 1. By analyzing the example 2, the control experiment 1 and the control experiment 2, after the disodium ethylene diamine tetraacetate and the calcium formate are compounded, a good synergistic effect can be generated, and the surface tension of liquid can be remarkably reduced, so that defoaming is facilitated, and the interfacial activity of the solution can be improved.
The degreasing agent does not contain environment-friendly ring-controlled substances such as phosphorus, nitrite and the like, is safe and environment-friendly, and can be directly discharged after being used; the degreasing efficiency is over 99 percent at the normal temperature of 25 ℃; the degreasing temperature is low, the degreasing time is as short as 1-3 minutes, the degreasing efficiency is high, and the low-foam, solubilizing and decontamination properties are good.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (3)
1. A phosphorus-free normal-temperature compound metal surface degreasing agent is characterized by being prepared by the following method: mixing and stirring sodium fatty acid methyl ester ethoxylate sulfonate, cocamidopropyl betaine, sodium silicate, sodium metasilicate, sodium citrate, disodium ethylene diamine tetraacetate, calcium formate and water until the mixture is clear to obtain a finished product;
the mass ratio of the fatty acid methyl ester ethoxylate sodium sulfonate, the cocamidopropyl betaine, the sodium silicate, the sodium metasilicate, the sodium citrate, the ethylene diamine tetraacetic acid disodium, the calcium formate and the water is (60-70): 30-35): 56-63: (13-15): 22-26): 11-13): 750.
2. The phosphorus-free normal-temperature compound metal surface degreasing agent as recited in claim 1, wherein: the mass ratio of the disodium ethylene diamine tetraacetate to the calcium formate is 2: 1.
3. The phosphorus-free normal-temperature compound metal surface degreasing agent as recited in claim 2, wherein the preparation method comprises the following steps in sequence:
step 1), weighing raw materials according to the formula amount;
step 2), adding water into the reaction kettle, then adding ethylene diamine tetraacetic acid and calcium formate into the reaction kettle, starting the reaction kettle to stir for 60-90 minutes;
step 3), respectively adding sodium citrate, sodium metasilicate, sodium silicate and sodium fatty acid methyl ester ethoxylate sulfonate into the reaction kettle, and stirring for 120-fold stirring for 180 minutes;
step 4), adding the cocamidopropyl betaine into the reaction kettle, controlling the internal temperature of the reaction kettle to be 36-43 ℃ during stirring, and stirring for 100-150 minutes;
step 5), naturally cooling the liquid in the reaction kettle to room temperature, and keeping stirring in the cooling process; stirring at room temperature for 60-80 minutes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910801279.6A CN110453232B (en) | 2019-08-28 | 2019-08-28 | Phosphorus-free normal-temperature composite metal surface degreasing agent |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910801279.6A CN110453232B (en) | 2019-08-28 | 2019-08-28 | Phosphorus-free normal-temperature composite metal surface degreasing agent |
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| Publication Number | Publication Date |
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| CN110453232B true CN110453232B (en) | 2021-07-06 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102296307A (en) * | 2011-08-31 | 2011-12-28 | 蚌埠市钰诚五金工贸有限公司 | Efficient environment-friendly degreasing agent and preparation method thereof |
| CN104884671A (en) * | 2012-12-26 | 2015-09-02 | Posco公司 | Surface-processing composition for galvanized steel sheet, surface processing method for galvanized steel sheet, and galvanized steel sheet |
| CN107419283A (en) * | 2017-08-14 | 2017-12-01 | 上海倍宁汽车零部件有限公司 | A kind of utral degreaser and its preparation method and application |
| CN109706463A (en) * | 2019-03-12 | 2019-05-03 | 陈�田 | A kind of metal surface cleaning liquid and preparation method thereof |
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- 2019-08-28 CN CN201910801279.6A patent/CN110453232B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102296307A (en) * | 2011-08-31 | 2011-12-28 | 蚌埠市钰诚五金工贸有限公司 | Efficient environment-friendly degreasing agent and preparation method thereof |
| CN104884671A (en) * | 2012-12-26 | 2015-09-02 | Posco公司 | Surface-processing composition for galvanized steel sheet, surface processing method for galvanized steel sheet, and galvanized steel sheet |
| CN107419283A (en) * | 2017-08-14 | 2017-12-01 | 上海倍宁汽车零部件有限公司 | A kind of utral degreaser and its preparation method and application |
| CN109706463A (en) * | 2019-03-12 | 2019-05-03 | 陈�田 | A kind of metal surface cleaning liquid and preparation method thereof |
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Effective date of registration: 20221028 Address after: Room 1310, 13/F, No. 3255, Zhoujiazui Road, Yangpu District, Shanghai, 200000 Patentee after: Shanghai Guanghua Metal Surface Treatment Co.,Ltd. Address before: 230000 Ziyi Road, Zipeng Town, Feixi County, Hefei City, Anhui Province Patentee before: ANHUI WEILAI SURFACE TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20231215 Address after: 230000 Ziyi Road, Zipeng Town, Feixi County, Hefei City, Anhui Province Patentee after: ANHUI WEILAI SURFACE TECHNOLOGY Co.,Ltd. Address before: Room 1310, 13/F, No. 3255, Zhoujiazui Road, Yangpu District, Shanghai, 200000 Patentee before: Shanghai Guanghua Metal Surface Treatment Co.,Ltd. |