CN113337823A - Additive for two-acid chemical polishing of aluminum alloy with sand blasting surface, chemical polishing solution and preparation method of chemical polishing solution - Google Patents
Additive for two-acid chemical polishing of aluminum alloy with sand blasting surface, chemical polishing solution and preparation method of chemical polishing solution Download PDFInfo
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- CN113337823A CN113337823A CN202110599998.1A CN202110599998A CN113337823A CN 113337823 A CN113337823 A CN 113337823A CN 202110599998 A CN202110599998 A CN 202110599998A CN 113337823 A CN113337823 A CN 113337823A
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- chemical polishing
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- aluminum alloy
- additive
- polishing solution
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- 238000005498 polishing Methods 0.000 title claims abstract description 97
- 239000000126 substance Substances 0.000 title claims abstract description 66
- 239000000654 additive Substances 0.000 title claims abstract description 44
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 43
- 239000002253 acid Substances 0.000 title claims abstract description 40
- 230000000996 additive effect Effects 0.000 title claims abstract description 40
- 238000005488 sandblasting Methods 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title abstract description 11
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 15
- 238000005260 corrosion Methods 0.000 claims abstract description 14
- 230000007797 corrosion Effects 0.000 claims abstract description 14
- 239000003112 inhibitor Substances 0.000 claims abstract description 14
- 239000003381 stabilizer Substances 0.000 claims abstract description 13
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000004094 surface-active agent Substances 0.000 claims abstract description 12
- 239000000203 mixture Substances 0.000 claims description 13
- 150000007513 acids Chemical class 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 6
- CNYMBHPFLJWLJW-UHFFFAOYSA-N 4-[(4-hydroxyphenyl)diazenyl]benzenesulfonic acid Chemical group C1=CC(O)=CC=C1N=NC1=CC=C(S(O)(=O)=O)C=C1 CNYMBHPFLJWLJW-UHFFFAOYSA-N 0.000 claims description 5
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims description 4
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 4
- 235000010413 sodium alginate Nutrition 0.000 claims description 4
- 239000000661 sodium alginate Substances 0.000 claims description 4
- 229940005550 sodium alginate Drugs 0.000 claims description 4
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims description 4
- QNAYBMKLOCPYGJ-REOHCLBHSA-N L-alanine Chemical compound C[C@H](N)C(O)=O QNAYBMKLOCPYGJ-REOHCLBHSA-N 0.000 claims description 3
- 235000004279 alanine Nutrition 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- QZXSMBBFBXPQHI-UHFFFAOYSA-N N-(dodecanoyl)ethanolamine Chemical compound CCCCCCCCCCCC(=O)NCCO QZXSMBBFBXPQHI-UHFFFAOYSA-N 0.000 claims description 2
- 239000002202 Polyethylene glycol Substances 0.000 claims description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 2
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 2
- 239000012964 benzotriazole Substances 0.000 claims description 2
- 229940079886 disodium lauryl sulfosuccinate Drugs 0.000 claims description 2
- KHIQYZGEUSTKSB-UHFFFAOYSA-L disodium;4-dodecoxy-4-oxo-3-sulfobutanoate Chemical compound [Na+].[Na+].CCCCCCCCCCCCOC(=O)C(S(O)(=O)=O)CC([O-])=O.CCCCCCCCCCCCOC(=O)C(S(O)(=O)=O)CC([O-])=O KHIQYZGEUSTKSB-UHFFFAOYSA-L 0.000 claims description 2
- 229920001223 polyethylene glycol Polymers 0.000 claims description 2
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 2
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- XFLNVMPCPRLYBE-UHFFFAOYSA-J tetrasodium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate;tetrahydrate Chemical compound O.O.O.O.[Na+].[Na+].[Na+].[Na+].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O XFLNVMPCPRLYBE-UHFFFAOYSA-J 0.000 claims description 2
- 238000005270 abrasive blasting Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 abstract description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 5
- 238000010924 continuous production Methods 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 238000004381 surface treatment Methods 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 4
- 229910017604 nitric acid Inorganic materials 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F3/00—Brightening metals by chemical means
- C23F3/02—Light metals
- C23F3/03—Light metals with acidic solutions
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- ing And Chemical Polishing (AREA)
Abstract
The invention discloses an additive for two-acid chemical polishing of an aluminum alloy with a sand blasting surface, a chemical polishing solution and a preparation method of the chemical polishing solution, and belongs to the technical field of metal surface treatment. The additive is prepared from the following components in percentage by mass: 70-80 wt.% of phosphoric acid, 10-12 wt.% of corrosion inhibitor, 7-10 wt.% of stabilizer and 3-8 wt.% of surfactant. The two-acid chemical polishing solution comprises a polishing base solution formed by mixing sulfuric acid and phosphoric acid and the additive. The additive and the polishing agent containing the additive can obviously improve the undesirable phenomena of flow marks, surface patterns, material line exposure, uneven brightness and the like on the surface of a sand-blasting aluminum alloy workpiece, improve the product yield, have high light-emitting speed on the surface of the product, can improve the production efficiency, reduce the production cost, are suitable for the two-acid chemical polishing of 3C products such as notebook computer shells, i PAD shells, mobile phone shells and other aluminum products, and are particularly suitable for automatic line continuous production.
Description
Technical Field
The invention relates to a chemical polishing additive, a polishing solution and a preparation method thereof, in particular to a sand blasting surface aluminum alloy two-acid chemical polishing additive, a chemical polishing solution and a preparation method thereof, belonging to the technical field of metal surface treatment.
Background
The traditional chemical polishing of aluminum and aluminum alloy usually adopts a three-acid process containing phosphoric acid, sulfuric acid and nitric acid, but toxic nitrogen oxides are easily generated in the treatment process due to the strong oxidizing property of the nitric acid and the characteristics of the nitric acid; meanwhile, the brightness of the polished surface is not uniform due to the fluctuation of the nitric acid concentration. Therefore, most of the aluminum alloys at present abandon the three-acid process, and adopt a two-acid process, namely, phosphoric acid and sulfuric acid for polishing.
When the two-acid process is adopted to polish the surface of the aluminum alloy in the prior art, the following problems still exist: 1. most of additives used in the existing two-acid process are for mirror-surface aluminum alloy workpieces, the gloss of the finished products is very high after the finished products are bright, and few additives for polishing the surfaces of sand blasting aluminum alloy workpieces are used, so that the sand blasting surfaces of the workpieces cannot be damaged while the surfaces of the sand blasting aluminum alloy workpieces have certain gloss; 2. few additives suitable for polishing of aluminum alloy workpieces with sand blasting surfaces in the existing market are applied to a two-acid polishing solution, the polishing time is mostly longer than 120s, even 180s, the light-emitting time is longer, the longer light-emitting time easily causes the phenomena of flow marks, surface patterns, exposed material lines, uneven brightness and the like on the surface of a product, and therefore the product yield is low and the production efficiency is low.
Disclosure of Invention
In order to solve the technical problems, the invention provides an additive for chemical polishing of two acids of an aluminum alloy with a sand blasting surface, a chemical polishing solution and a preparation method thereof, wherein the additive for chemical polishing and the chemical polishing solution can improve the phenomena of flow marks, surface patterns, material lines and uneven brightness on the surface of a product, have high light emitting speed and greatly improve the production efficiency, are suitable for the chemical polishing of two acids of 3C products such as notebook computer shells, iPAD shells, mobile phone shells and other aluminum products, and are particularly suitable for automatic line continuous production.
The technical scheme of the invention is as follows:
the invention discloses an additive for chemical polishing of two acids of an aluminum alloy with a sand blasting surface, which is prepared from the following components in percentage by mass: 70-80 wt.% of phosphoric acid, 10-12 wt.% of corrosion inhibitor, 7-10 wt.% of stabilizer and 3-8 wt.% of surfactant.
The further technical scheme is as follows:
the corrosion inhibitor is at least one of benzotriazole, thiourea, hydroxy azo sulfonic acid substances and alanine.
The further technical scheme is as follows:
the hydroxy azo sulfonic acid substance is 4-hydroxy azobenzene-4' -sulfonic acid.
More preferably, the corrosion inhibitor comprises 5 to 8 wt.% of 4-hydroxyazobenzene-4' -sulfonic acid based on the total amount of the additive.
More preferably, the corrosion inhibitor is formed by mixing 4-hydroxyazobenzene-4' -sulfonic acid and alanine according to the mass ratio of (1.25-4): 1.
The further technical scheme is as follows:
the stabilizer is at least one of polyethylene glycol, ethylene diamine tetraacetic acid tetrasodium, Arabic resin and sodium alginate.
More preferably, the stabilizer comprises sodium alginate in an amount of 3-8 wt.% of the total amount of the additive.
The further technical scheme is as follows:
the surfactant is at least one of disodium lauryl sulfosuccinate, fatty alcohol-polyoxyethylene ether and coconut monoethanolamide.
The invention also discloses a preparation method of the additive for chemically polishing the two acids of the aluminum alloy with the sand blasting surface, which mainly comprises the following steps: weighing the raw materials according to the mass ratio, adding the weighed surfactant and stabilizer into 1/2-3/4 of the total amount of phosphoric acid, stirring until the surfactant and the stabilizer are completely dissolved to obtain a first primary mixture, then adding the weighed corrosion inhibitor into the rest phosphoric acid, stirring until the corrosion inhibitor is completely dissolved to obtain a second primary mixture, and finally uniformly mixing the first primary mixture and the second primary mixture to obtain the sand blasting surface aluminum alloy two-acid chemical polishing additive.
The invention also discloses a two-acid chemical polishing solution for the aluminum alloy workpiece with the sand blasting surface, which comprises a polishing base solution and the additive for the two-acid chemical polishing of the aluminum alloy workpiece with the sand blasting surface.
The further technical scheme is as follows:
the polishing base liquid is formed by mixing sulfuric acid and phosphoric acid according to the mass ratio of 1 (4-5).
The further technical scheme is as follows:
the addition amount of the additive for chemically polishing the two acids of the aluminum alloy with the sand blasting surface is 10-15 wt% of the total mass of the chemical polishing solution.
The invention also discloses an application of the two-acid chemical polishing solution, the two-acid chemical polishing solution is applied to chemical polishing of the sand blasting surface aluminum alloy product, the using temperature of the chemical polishing solution is 70-80 ℃, and the chemical polishing time of the sand blasting surface aluminum alloy product in the chemical polishing solution is 40-60 s.
The beneficial technical effects of the invention are as follows:
1. the corrosion inhibitor of the additive comprises 4-hydroxyazobenzene-4' -sulfonic acid, the stabilizer of the additive comprises sodium alginate, the two components can interact to generate a synergistic effect, the light emitting speed of the surface of a product is greatly improved, the glossiness required by the surface of a sand-blasting aluminum alloy product can be achieved within 60s, and compared with the prior art, the production efficiency can be greatly improved, and the production cost is reduced.
2. The special surfactant is used in the additive, so that the surface of a sand-blasting aluminum alloy workpiece with a certain roughness on the surface can be fully infiltrated, components in the polishing solution can be fully contacted with the surface of the workpiece, and the polished glossiness can be very uniform.
3. The polishing solution containing the additive can emit light in a short time, so that the conditions of flow marks, surface patterns and material grains exposed due to overlong polishing time can be avoided, and the product yield can be obviously improved.
4. The preparation method of the additive and the polishing solution is simple, is suitable for two-acid chemical polishing of 3C products such as notebook computer shells, iPAD shells, mobile phone shells and other sandblasted aluminum products, and is particularly suitable for automatic line continuous production of the products.
Detailed Description
In order to clearly understand the technical means of the present invention and to implement the technical means according to the content of the specification, the following embodiments are further described in detail in the following with reference to the specific examples, which are used for illustrating the present invention and are not intended to limit the scope of the present invention.
The preparation of the additive for chemical polishing was carried out according to the following preparation method: weighing the raw materials according to the mass percentage in the table 1, adding the weighed surfactant and stabilizer into 1/2-3/4 of the total amount of phosphoric acid, stirring until the surfactant and the stabilizer are completely dissolved to obtain a first primary mixture, adding the weighed corrosion inhibitor into the rest phosphoric acid, stirring until the corrosion inhibitor is completely dissolved to obtain a second primary mixture, and finally uniformly mixing the first primary mixture and the second primary mixture to obtain the additive for chemical polishing.
Table 1 additive composition for chemical polishing (unit: wt.%) for specific examples 1 to 4 and comparative examples 1 to 7
And respectively mixing the prepared additive for chemical polishing with a polishing base solution to prepare a two-acid chemical polishing solution, wherein the polishing base solution is formed by mixing sulfuric acid and phosphoric acid according to a mass ratio of 1:4, and the dosage of the additive for chemical polishing is 10 wt% of the total mass of the chemical polishing solution. The chemical polishing liquids prepared using the above additives are defined as specific examples 1 'to 4' and comparative examples 1 'to 8' later. The chemical polishing solution prepared above was used to polish the sandblasted aluminum alloy article at 75 ℃ for 60 seconds, and the polishing performance was as shown in table 2. Wherein the 60 DEG gloss is obtained by calculating the average value of a sample obtained by sampling the sample on a sample plate according to a five-point sampling method.
TABLE 2 Properties of aluminum alloy parts having sand-blasted surfaces polished by chemical polishing solutions of specific examples 1 ' -4 ' and comparative examples 1 ' -7
The polishing solutions prepared in comparative examples 1 'to 7' were used to polish sandblasted aluminum alloy articles, defined as comparative examples 8 'to 14', at a polishing temperature of 75 deg.C, requiring a gloss of 100 for the polished product, and the time taken for polishing was recorded, and the results are shown in Table 3.
TABLE 3 comparison of polishing times for specific examples 8' -14
From the results of the polishing treatment on the sandblasted aluminum alloy product in the specific examples and the comparative examples, the polishing solution using the additive can adjust the sandblasted surface of the aluminum alloy product to the optimal gloss range in the shortest time when polishing the sandblasted aluminum alloy product, and meanwhile, due to the shortened polishing time, the flow marks, surface decoration and the like caused by longer polishing time can be greatly reduced, and in addition, the gloss of the surface of the product can be more uniform, and the condition that the surface of the material is exposed can not occur. The additive and the polishing solution can remarkably improve the yield of products, and the light-emitting speed of the surfaces of the products is high, so that the production efficiency can be improved, and the production cost can be reduced. The preparation method of the additive and the polishing solution is simple, is suitable for two-acid chemical polishing of 3C products such as notebook computer shells, iPAD shells, mobile phone shells and other sandblasted aluminum products, and is particularly suitable for automatic line continuous production of the products.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The additive for chemically polishing the two acids of the aluminum alloy with the sand blasting surface is characterized by being prepared from the following components in percentage by mass: 70-80 wt.% of phosphoric acid, 10-12 wt.% of corrosion inhibitor, 7-10 wt.% of stabilizer and 3-8 wt.% of surfactant.
2. The sandblasted aluminum alloy two-acid chemical polishing additive as claimed in claim 1, wherein: the corrosion inhibitor is at least one of benzotriazole, thiourea, hydroxy azo sulfonic acid substances and alanine.
3. The sandblasted aluminum alloy two-acid chemical polishing additive as claimed in claim 1, wherein: the hydroxy azo sulfonic acid substance is 4-hydroxy azobenzene-4' -sulfonic acid.
4. The sandblasted aluminum alloy two-acid chemical polishing additive as claimed in claim 1, wherein: the stabilizer is at least one of polyethylene glycol, ethylene diamine tetraacetic acid tetrasodium, Arabic resin and sodium alginate.
5. The sandblasted aluminum alloy two-acid chemical polishing additive as claimed in claim 1, wherein: the surfactant is at least one of disodium lauryl sulfosuccinate, fatty alcohol-polyoxyethylene ether and coconut monoethanolamide.
6. A method for preparing the additive for chemically polishing the sand blasting surface aluminum alloy with two acids as claimed in any one of claims 1 to 5, which is characterized by mainly comprising the following steps: weighing the raw materials according to the mass ratio, adding the weighed surfactant and stabilizer into 1/2-3/4 of the total amount of phosphoric acid, stirring until the surfactant and the stabilizer are completely dissolved to obtain a first primary mixture, then adding the weighed corrosion inhibitor into the rest phosphoric acid, stirring until the corrosion inhibitor is completely dissolved to obtain a second primary mixture, and finally uniformly mixing the first primary mixture and the second primary mixture to obtain the sand blasting surface aluminum alloy two-acid chemical polishing additive.
7. A two-acid chemical polishing solution for an aluminum alloy workpiece with a sand blasting surface is characterized in that: the chemical polishing solution comprises a polishing base solution and the abrasive blasting surface aluminum alloy two-acid chemical polishing additive as defined in any one of claims 1 to 5.
8. The sand-blasted aluminum alloy article of claim 7 further comprising a two-acid chemical polishing solution, wherein the two-acid chemical polishing solution comprises: the polishing base liquid is formed by mixing sulfuric acid and phosphoric acid according to the mass ratio of 1 (4-5).
9. The sand-blasted aluminum alloy article of claim 7 further comprising a two-acid chemical polishing solution, wherein the two-acid chemical polishing solution comprises: the addition amount of the additive for chemically polishing the two acids of the aluminum alloy with the sand blasting surface is 10-15 wt% of the total mass of the chemical polishing solution.
10. The use of the two-acid chemical polishing solution of claim 7, wherein: the chemical polishing solution is applied to the chemical polishing of the aluminum alloy product with the sand blasting surface, the using temperature of the chemical polishing solution is 70-80 ℃, and the chemical polishing time of the aluminum alloy product with the sand blasting surface in the chemical polishing solution is 40-60 s.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110599998.1A CN113337823A (en) | 2021-05-31 | 2021-05-31 | Additive for two-acid chemical polishing of aluminum alloy with sand blasting surface, chemical polishing solution and preparation method of chemical polishing solution |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110599998.1A CN113337823A (en) | 2021-05-31 | 2021-05-31 | Additive for two-acid chemical polishing of aluminum alloy with sand blasting surface, chemical polishing solution and preparation method of chemical polishing solution |
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| CN113337823A true CN113337823A (en) | 2021-09-03 |
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| CN202110599998.1A Pending CN113337823A (en) | 2021-05-31 | 2021-05-31 | Additive for two-acid chemical polishing of aluminum alloy with sand blasting surface, chemical polishing solution and preparation method of chemical polishing solution |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114438497A (en) * | 2022-02-25 | 2022-05-06 | 东莞市伟元科技有限公司 | Non-phosphatizing polishing additive and production process thereof |
| CN115198275A (en) * | 2022-06-07 | 2022-10-18 | 湖北奥美伦科技有限公司 | Sand surface aluminum alloy masking agent and preparation method and application thereof |
| CN115386882A (en) * | 2022-08-30 | 2022-11-25 | 立铠精密科技(盐城)有限公司 | Method for improving uniformity between chemical polishing layers, application thereof, system for realizing method and control method |
| CN115466958A (en) * | 2022-08-08 | 2022-12-13 | 安徽韩铝环保新材料有限公司 | Chemical polishing bright additive for chemical polishing of aluminum alloy two acids and polishing process |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107675180A (en) * | 2017-08-22 | 2018-02-09 | 珠海市奥美伦精细化工有限公司 | A kind of two sour polishing additives, preparation method and applications |
-
2021
- 2021-05-31 CN CN202110599998.1A patent/CN113337823A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107675180A (en) * | 2017-08-22 | 2018-02-09 | 珠海市奥美伦精细化工有限公司 | A kind of two sour polishing additives, preparation method and applications |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114438497A (en) * | 2022-02-25 | 2022-05-06 | 东莞市伟元科技有限公司 | Non-phosphatizing polishing additive and production process thereof |
| CN115198275A (en) * | 2022-06-07 | 2022-10-18 | 湖北奥美伦科技有限公司 | Sand surface aluminum alloy masking agent and preparation method and application thereof |
| CN115198275B (en) * | 2022-06-07 | 2024-02-09 | 湖北奥美伦科技有限公司 | Sand surface aluminum alloy masking agent and preparation method and application thereof |
| CN115466958A (en) * | 2022-08-08 | 2022-12-13 | 安徽韩铝环保新材料有限公司 | Chemical polishing bright additive for chemical polishing of aluminum alloy two acids and polishing process |
| CN115386882A (en) * | 2022-08-30 | 2022-11-25 | 立铠精密科技(盐城)有限公司 | Method for improving uniformity between chemical polishing layers, application thereof, system for realizing method and control method |
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