CN113881943A - Aluminum material alkaline cleaning agent and preparation method thereof - Google Patents
Aluminum material alkaline cleaning agent and preparation method thereof Download PDFInfo
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- CN113881943A CN113881943A CN202111264177.9A CN202111264177A CN113881943A CN 113881943 A CN113881943 A CN 113881943A CN 202111264177 A CN202111264177 A CN 202111264177A CN 113881943 A CN113881943 A CN 113881943A
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- aluminum material
- alkaline cleaning
- sodium
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- 239000012459 cleaning agent Substances 0.000 title claims abstract description 57
- 239000000463 material Substances 0.000 title claims abstract description 55
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 54
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 238000002360 preparation method Methods 0.000 title abstract description 14
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 87
- 229910052615 phyllosilicate Inorganic materials 0.000 claims abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000004094 surface-active agent Substances 0.000 claims abstract description 33
- 239000008367 deionised water Substances 0.000 claims abstract description 31
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 31
- 239000003109 Disodium ethylene diamine tetraacetate Substances 0.000 claims abstract description 18
- 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 claims abstract description 18
- -1 alkyl glycoside Chemical class 0.000 claims abstract description 18
- 235000019301 disodium ethylene diamine tetraacetate Nutrition 0.000 claims abstract description 18
- 229930182470 glycoside Natural products 0.000 claims abstract description 18
- 239000002994 raw material Substances 0.000 claims abstract description 18
- HELHAJAZNSDZJO-OLXYHTOASA-L sodium L-tartrate Chemical compound [Na+].[Na+].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O HELHAJAZNSDZJO-OLXYHTOASA-L 0.000 claims abstract description 18
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 claims abstract description 18
- 229940048086 sodium pyrophosphate Drugs 0.000 claims abstract description 18
- 239000001433 sodium tartrate Substances 0.000 claims abstract description 18
- 229960002167 sodium tartrate Drugs 0.000 claims abstract description 18
- 235000011004 sodium tartrates Nutrition 0.000 claims abstract description 18
- 235000019818 tetrasodium diphosphate Nutrition 0.000 claims abstract description 18
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims abstract description 18
- 239000000203 mixture Substances 0.000 claims description 55
- 238000003756 stirring Methods 0.000 claims description 49
- 239000004115 Sodium Silicate Substances 0.000 claims description 25
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 25
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 25
- 238000006243 chemical reaction Methods 0.000 claims description 15
- IGFHQQFPSIBGKE-UHFFFAOYSA-N Nonylphenol Natural products CCCCCCCCCC1=CC=C(O)C=C1 IGFHQQFPSIBGKE-UHFFFAOYSA-N 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 14
- SNQQPOLDUKLAAF-UHFFFAOYSA-N nonylphenol Chemical compound CCCCCCCCCC1=CC=CC=C1O SNQQPOLDUKLAAF-UHFFFAOYSA-N 0.000 claims description 14
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 14
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 14
- SZEMGTQCPRNXEG-UHFFFAOYSA-M trimethyl(octadecyl)azanium;bromide Chemical compound [Br-].CCCCCCCCCCCCCCCCCC[N+](C)(C)C SZEMGTQCPRNXEG-UHFFFAOYSA-M 0.000 claims description 14
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 claims description 13
- 238000001354 calcination Methods 0.000 claims description 7
- 238000001704 evaporation Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 34
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract description 14
- 238000004140 cleaning Methods 0.000 abstract description 12
- 230000007797 corrosion Effects 0.000 abstract description 10
- 238000005260 corrosion Methods 0.000 abstract description 10
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract description 7
- 238000005238 degreasing Methods 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 11
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 6
- 235000017550 sodium carbonate Nutrition 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000002585 base Substances 0.000 description 3
- 238000004945 emulsification Methods 0.000 description 3
- 230000005764 inhibitory process Effects 0.000 description 3
- 238000010561 standard procedure Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005202 decontamination Methods 0.000 description 2
- 230000003588 decontaminative effect Effects 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 239000006184 cosolvent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005237 degreasing agent Methods 0.000 description 1
- 239000013527 degreasing agent Substances 0.000 description 1
- 229960002050 hydrofluoric acid Drugs 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 150000002433 hydrophilic molecules Chemical class 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 1
- 239000011229 interlayer Substances 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
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000001935 peptisation Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000009736 wetting Methods 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
- C23G1/22—Light metals
Landscapes
- 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)
- Detergent Compositions (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention relates to the technical field of metal cleaning agents, in particular to an aluminum material alkaline cleaning agent and a preparation method thereof, wherein the aluminum material alkaline cleaning agent comprises the following raw materials in percentage by weight: 12-20% of modified phyllosilicate, 1.5-4% of disodium ethylene diamine tetraacetate, 0.5-2% of sodium pyrophosphate, 0.05-0.2% of sodium tartrate, 20-36% of surfactant, 1.6-3.5% of alkyl glycoside and the balance of deionized water A. The cleaning agent is prepared by reasonably matching various components, so that the removal effect of most of dirt is ensured, and meanwhile, the pH8-10 of the cleaning agent is low in alkalinity, does not contain strong bases such as sodium hydroxide and sodium carbonate, is easy to biodegrade, low in waste liquid treatment cost, free of corrosion to aluminum materials and damage to hands, friendly in environmental performance, strong in degreasing capability, good in cleaning effect, small in pollution hazard effect, convenient to use and the like, and has good popularization and use values.
Description
Technical Field
The invention relates to the technical field of metal cleaning agents, in particular to an aluminum material alkaline cleaning agent and a preparation method thereof.
Background
The conventional oil removal mode of the aluminum material at present mainly comprises 1 acid oil removal, commonly called as aluminic acid removal, wherein the main components adopt inorganic strong acid such as sulfuric acid, fluoric acid and the like to compound certain surfactant, corrosive hydrogen evolution of acid is utilized to roll off grease, and the effect of degreasing and cleaning is achieved under the emulsification of surface activity; the biggest problems of the system are that strong acid has strong corrosion to aluminum materials, the treatment difficulty of fluoride ion waste liquid is high, and the acid system is not in line with the direction supported by the current environmental protection policy; 2, the method is less in use, and mainly the conventional alkaline degreasing agent usually contains alkaline substances such as NaOH and sodium carbonate, and the aluminum material can generate a violent corrosion reaction when meeting the strong alkali. High temperature and pungent odor are released in a short time, i.e., damage to the material, and the operating environment is also deteriorated.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide an aluminum alkaline cleaning agent, which is prepared by reasonably matching various components, ensures the removal effect of most of dirt, has low pH8-10, does not contain strong bases such as sodium hydroxide and sodium carbonate, is easy to biodegrade, has low waste liquid treatment cost, does not corrode aluminum, does not hurt hands, is environment-friendly, has the advantages of strong degreasing capability, good cleaning effect, small pollution hazard effect, convenient use and the like, and has good popularization and use values.
The invention aims to provide a preparation method of an aluminum product alkaline cleaning agent, which is simple to operate, convenient to control, high in production efficiency and low in production cost, and the prepared aluminum product alkaline cleaning agent has good cleaning effect and qualification rate and is easy to carry out large-scale industrial production.
The purpose of the invention is realized by the following technical scheme: an aluminum material alkaline cleaning agent comprises the following raw materials in percentage by weight: 12-20% of modified phyllosilicate, 1.5-4% of disodium ethylene diamine tetraacetate, 0.5-2% of sodium pyrophosphate, 0.05-0.2% of sodium tartrate, 20-36% of surfactant, 1.6-3.5% of alkyl glycoside and the balance of deionized water A.
More preferably, the aluminum material alkaline cleaning agent comprises the following raw materials in percentage by weight: 14-18% of modified phyllosilicate, 1.5-4% of disodium ethylene diamine tetraacetate, 0.5-2% of sodium pyrophosphate, 0.05-0.2% of sodium tartrate, 20-36% of surfactant, 1.6-3.5% of alkyl glycoside and the balance of deionized water A.
The cleaning agent is prepared by reasonably matching various components, so that the removal effect of most of dirt is ensured, and meanwhile, the pH8-10 of the cleaning agent is low in alkalinity, does not contain strong bases such as sodium hydroxide and sodium carbonate, is easy to biodegrade, low in waste liquid treatment cost, free of corrosion to aluminum materials and damage to hands, friendly in environmental performance, strong in degreasing capability, good in cleaning effect, small in pollution hazard effect, convenient to use and the like, and has good popularization and use values. The modified phyllosilicate silicate adopted in the method is alkalescent, so the whole formula is also alkalescent, and the aluminum material is not corroded by sodium hydroxide and other soda ash; disodium ethylene diamine tetraacetate is used as a cosolvent and a complexing agent to quickly dissolve non-degreased soluble calcium salt and other inorganic salts; sodium pyrophosphate has a deflocculation effect, so that grease has an emulsification effect, and further the surface tension and the interfacial tension of the surfactant solution are further reduced, and a washing assisting effect is achieved; meanwhile, the sodium tartrate and the alkyl glycoside have synergistic action, a waterproof protective film can be formed on the surface of the metal, oxidation and rusting are prevented, and the cleaning effect of the cleaning agent is improved.
Preferably, the modified phyllosilicate comprises the following raw materials: sodium silicate, sodium hydroxide and deionized water B.
Preferably, the modified phyllosilicate is prepared by the following steps:
s1, mixing and stirring sodium silicate, sodium hydroxide and deionized water B for 15-25min according to the molar ratio to obtain a mixture A for later use;
s2, slowly dripping octadecyl trimethyl ammonium bromide with the mass concentration of 0.8-1.2% into the mixture A obtained in the step S1 under the stirring condition, carrying out stirring reaction for 0.8-1.2h, evaporating and concentrating until the solution is viscous, then adding the material into a stainless steel reaction kettle with a tetrafluoroethylene lining, calcining for 22-26h at the temperature of 140-.
The modified phyllosilicate is prepared by adopting the raw materials and the preparation method, and the prepared modified phyllosilicate has good alkalescence and does not contain sodium hydroxide or other soda ash to corrode aluminum materials; the sodium hydroxide activates the sodium silicate, and the sodium silicate is modified by using octadecyl trimethyl ammonium bromide as a catalyst, so that the interlayer spacing of the sodium silicate can be effectively controlled, and a modification result meeting the requirement of the invention is obtained.
Preferably, the mole ratio of the sodium silicate to the sodium hydroxide to the deionized water B is 2-4:0.5-1.5: 90-110; in step S2, the dosage ratio of the mixture A to the octadecyl trimethyl ammonium bromide is 0.8-1.0: 1.2-1.6.
Preferably, the surfactant is one or two of nonylphenol polyoxyethylene ether and ethylene glycol monobutyl ether; more preferably, the surfactant is a mixture of nonylphenol polyoxyethylene ether and ethylene glycol monobutyl ether in a molar ratio of 16-24: 5-12.
The surfactant adopted in the invention is composed of nonylphenol polyoxyethylene ether and ethylene glycol monobutyl ether according to the molar ratio of 16-24:5-12, the effect of the surfactant in a cleaning agent can be further improved by the excellent synergistic effect of the nonylphenol polyoxyethylene ether and the ethylene glycol monobutyl ether, and the nonylphenol polyoxyethylene ether adopted as the nonionic surfactant has excellent performances of decontamination, wetting, emulsification and the like; the ethylene glycol monobutyl ether has two ether bonds and hydroxyl groups with strong dissolving functions in the chemical structure, the ether bonds have lipophilicity and can dissolve hydrophobic compounds, the hydroxyl groups have hydrophilicity and can dissolve hydrophilic compounds, so that the ethylene glycol monobutyl ether has strong dissolving capacity, and can be added into a cleaning agent to further improve the decontamination performance of the cleaning agent in cooperation with nonylphenol polyoxyethylene ether serving as a surfactant.
The invention also provides a preparation method of the aluminum material alkaline cleaning agent, which comprises the following steps:
1) adding a proper amount of ionized water A into the modified phyllosilicate according to the weight percentage, dissolving while stirring until the modified phyllosilicate is completely dissolved, adding disodium ethylene diamine tetraacetate and sodium tartrate, and continuously stirring until the modified phyllosilicate is completely dissolved to prepare a mixture A for later use;
2) dissolving sodium pyrophosphate with a proper amount of ionized water A according to the weight percentage to obtain a mixture B for later use;
3) adding the mixture B obtained in the step 2) into the mixture A obtained in the step 1), uniformly mixing and stirring, continuously adding the surfactant and the alkyl glycoside, and stirring for 0.8-1.2h to obtain the aluminum material alkaline cleaning agent.
The aluminum material alkaline cleaning agent is prepared by the method, and the aluminum material alkaline cleaning agent prepared by the method has high efficiency and high yield. Meanwhile, the preparation method is simple to operate, convenient to control, high in production efficiency and low in production cost, and the prepared aluminum alkaline cleaning agent has the advantages of being strong in degreasing capacity, good in cleaning effect, small in pollution hazard effect, convenient to use and the like, and has good popularization and use values.
The invention has the beneficial effects that: the cleaning agent is prepared by reasonably matching various components, so that the removal effect of most of dirt is ensured, and meanwhile, the pH8-10 of the cleaning agent is low in alkalinity, does not contain strong bases such as sodium hydroxide and sodium carbonate, is easy to biodegrade, low in waste liquid treatment cost, free of corrosion to aluminum materials and damage to hands, friendly in environmental performance, strong in degreasing capability, good in cleaning effect, small in pollution hazard effect, convenient to use and the like, and has good popularization and use values.
The preparation method of the aluminum product alkaline cleaning agent has the advantages of simple operation, convenient control, high production efficiency and low production cost, and the prepared aluminum product alkaline cleaning agent has good cleaning effect and qualification rate and is easy to carry out large-scale industrial production.
Detailed Description
The present invention will be further described with reference to the following examples for facilitating understanding of those skilled in the art, and the description of the embodiments is not intended to limit the present invention.
Example 1
An aluminum material alkaline cleaning agent comprises the following raw materials in percentage by weight: 12% of modified phyllosilicate, 1.5% of disodium ethylene diamine tetraacetate, 0.5% of sodium pyrophosphate, 0.05% of sodium tartrate, 20% of surfactant, 1.6% of alkyl glycoside and the balance of deionized water A.
The modified phyllosilicate comprises the following raw materials: sodium silicate, sodium hydroxide and deionized water B.
The modified phyllosilicate is prepared by the following steps:
s1, mixing and stirring sodium silicate, sodium hydroxide and deionized water B for 15min according to the molar ratio to obtain a mixture A for later use;
s2, slowly dripping octadecyl trimethyl ammonium bromide with the mass concentration of 0.8% into the mixture A obtained in the step S1 under the stirring condition, carrying out stirring reaction for 0.8h, evaporating and concentrating until the solution is viscous, then adding the material into a stainless steel reaction kettle with a tetrafluoroethylene lining, calcining for 22h at 140 ℃, cooling, and crushing the product to obtain the modified layered silicate.
The mole ratio of the sodium silicate to the sodium hydroxide to the deionized water B is 2:0.5: 90.
In step S2, the amount ratio of mixture a to octadecyl trimethyl ammonium bromide is 0.8: 1.2.
The surfactant is a mixture of nonylphenol polyoxyethylene ether and ethylene glycol monobutyl ether according to a molar ratio of 16: 5.
The preparation method of the aluminum material alkaline cleaning agent comprises the following steps:
1) adding a proper amount of ionized water A into the modified phyllosilicate according to the weight percentage, dissolving while stirring until the modified phyllosilicate is completely dissolved, adding disodium ethylene diamine tetraacetate and sodium tartrate, and continuously stirring until the modified phyllosilicate is completely dissolved to prepare a mixture A for later use;
2) dissolving sodium pyrophosphate with a proper amount of ionized water A according to the weight percentage to obtain a mixture B for later use;
3) adding the mixture B obtained in the step 2) into the mixture A obtained in the step 1), uniformly mixing and stirring, continuously adding the surfactant and the alkyl glycoside, and stirring for 0.8h to obtain the aluminum material alkaline cleaning agent.
Example 2
An aluminum material alkaline cleaning agent comprises the following raw materials in percentage by weight: 14% of modified phyllosilicate, 1.8% of disodium ethylene diamine tetraacetate, 0.8% of sodium pyrophosphate, 0.07% of sodium tartrate, 24% of surfactant, 2.0% of alkyl glycoside and the balance of deionized water A.
The modified phyllosilicate comprises the following raw materials: sodium silicate, sodium hydroxide and deionized water B.
The modified phyllosilicate is prepared by the following steps:
s1, mixing and stirring sodium silicate, sodium hydroxide and deionized water B for 23min according to the molar ratio to obtain a mixture A for later use;
s2, slowly dripping octadecyl trimethyl ammonium bromide with the mass concentration of 0.9% into the mixture A obtained in the step S1 under the stirring condition, carrying out stirring reaction for 0.9h, evaporating and concentrating until the solution is viscous, then adding the material into a stainless steel reaction kettle with a tetrafluoroethylene lining, calcining for 23h at 145 ℃, cooling, and crushing the product to obtain the modified phyllosilicate.
The molar ratio of the sodium silicate to the sodium hydroxide to the deionized water B is 2.5:0.7: 95.
In step S2, the amount ratio of mixture a to octadecyl trimethyl ammonium bromide is 0.5: 1.3.
The surfactant is a mixture of nonylphenol polyoxyethylene ether and ethylene glycol monobutyl ether according to a molar ratio of 18: 7.
The preparation method of the aluminum material alkaline cleaning agent comprises the following steps:
1) adding a proper amount of ionized water A into the modified phyllosilicate according to the weight percentage, dissolving while stirring until the modified phyllosilicate is completely dissolved, adding disodium ethylene diamine tetraacetate and sodium tartrate, and continuously stirring until the modified phyllosilicate is completely dissolved to prepare a mixture A for later use;
2) dissolving sodium pyrophosphate with a proper amount of ionized water A according to the weight percentage to obtain a mixture B for later use;
3) adding the mixture B obtained in the step 2) into the mixture A obtained in the step 1), uniformly mixing and stirring, continuously adding the surfactant and the alkyl glycoside, and stirring for 0.9h to obtain the aluminum material alkaline cleaning agent.
Example 3
An aluminum material alkaline cleaning agent comprises the following raw materials in percentage by weight: 16% of modified phyllosilicate, 2% of disodium ethylene diamine tetraacetate, 1.3% of sodium pyrophosphate, 0.1% of sodium tartrate, 28% of surfactant, 2.5% of alkyl glycoside and the balance of deionized water A.
The modified phyllosilicate comprises the following raw materials: sodium silicate, sodium hydroxide and deionized water B.
The modified phyllosilicate is prepared by the following steps:
s1, mixing and stirring sodium silicate, sodium hydroxide and deionized water B for 20min according to the molar ratio to obtain a mixture A for later use;
s2, slowly dripping octadecyl trimethyl ammonium bromide with the mass concentration of 1.0% into the mixture A obtained in the step S1 under the stirring condition, carrying out stirring reaction for 1.0 hour, evaporating and concentrating until the solution is viscous, then adding the material into a stainless steel reaction kettle with a tetrafluoroethylene lining, calcining for 24 hours at 150 ℃, cooling, and crushing the product to obtain the modified layered silicate.
The molar ratio of the sodium silicate to the sodium hydroxide to the deionized water B is 3:1.0: 100.
In step S2, the amount ratio of mixture a to octadecyl trimethyl ammonium bromide is 0.95: 1.5.
The surfactant is a mixture of nonylphenol polyoxyethylene ether and ethylene glycol monobutyl ether according to a molar ratio of 20: 8.
The preparation method of the aluminum material alkaline cleaning agent comprises the following steps:
1) adding a proper amount of ionized water A into the modified phyllosilicate according to the weight percentage, dissolving while stirring until the modified phyllosilicate is completely dissolved, adding disodium ethylene diamine tetraacetate and sodium tartrate, and continuously stirring until the modified phyllosilicate is completely dissolved to prepare a mixture A for later use;
2) dissolving sodium pyrophosphate with a proper amount of ionized water A according to the weight percentage to obtain a mixture B for later use;
3) adding the mixture B obtained in the step 2) into the mixture A obtained in the step 1), uniformly mixing and stirring, continuously adding the surfactant and the alkyl glycoside, and stirring for 1.0h to obtain the aluminum material alkaline cleaning agent.
Example 4
An aluminum material alkaline cleaning agent comprises the following raw materials in percentage by weight: 18% of modified phyllosilicate, 3% of disodium ethylene diamine tetraacetate, 1.6% of sodium pyrophosphate, 0.15% of sodium tartrate, 32% of surfactant, 3.0% of alkyl glycoside and the balance of deionized water A.
The modified phyllosilicate comprises the following raw materials: sodium silicate, sodium hydroxide and deionized water B.
The modified phyllosilicate is prepared by the following steps:
s1, mixing and stirring sodium silicate, sodium hydroxide and deionized water B for 28min according to the molar ratio to obtain a mixture A for later use;
s2, slowly dripping octadecyl trimethyl ammonium bromide with the mass concentration of 1.1% into the mixture A obtained in the step S1 under the stirring condition, carrying out stirring reaction for 1.1h, evaporating and concentrating until the solution is viscous, then adding the material into a stainless steel reaction kettle with a tetrafluoroethylene lining, calcining for 25h at 155 ℃, cooling, and crushing the product to obtain the modified layered silicate.
The mole ratio of the sodium silicate to the sodium hydroxide to the deionized water B is 3.5:1.2: 105.
In step S2, the amount ratio of mixture a to octadecyl trimethyl ammonium bromide is 0.9: 1.4.
The surfactant is a mixture of nonylphenol polyoxyethylene ether and ethylene glycol monobutyl ether in a molar ratio of 22: 9.
The preparation method of the aluminum material alkaline cleaning agent comprises the following steps:
1) adding a proper amount of ionized water A into the modified phyllosilicate according to the weight percentage, dissolving while stirring until the modified phyllosilicate is completely dissolved, adding disodium ethylene diamine tetraacetate and sodium tartrate, and continuously stirring until the modified phyllosilicate is completely dissolved to prepare a mixture A for later use;
2) dissolving sodium pyrophosphate with a proper amount of ionized water A according to the weight percentage to obtain a mixture B for later use;
3) adding the mixture B obtained in the step 2) into the mixture A obtained in the step 1), uniformly mixing and stirring, continuously adding the surfactant and the alkyl glycoside, and stirring for 1.1h to obtain the aluminum material alkaline cleaning agent.
Example 5
An aluminum material alkaline cleaning agent comprises the following raw materials in percentage by weight: 20% of modified phyllosilicate, 4% of disodium ethylene diamine tetraacetate, 2% of sodium pyrophosphate, 0.2% of sodium tartrate, 36% of surfactant, 3.5% of alkyl glycoside and the balance of deionized water A.
The modified phyllosilicate comprises the following raw materials: sodium silicate, sodium hydroxide and deionized water B.
The modified phyllosilicate is prepared by the following steps:
s1, mixing and stirring sodium silicate, sodium hydroxide and deionized water B for 25min according to the molar ratio to obtain a mixture A for later use;
s2, slowly dripping octadecyl trimethyl ammonium bromide with the mass concentration of 1.2% into the mixture A obtained in the step S1 under the stirring condition, carrying out stirring reaction for 1.2h, evaporating and concentrating until the solution is viscous, then adding the material into a stainless steel reaction kettle with a tetrafluoroethylene lining, calcining for 26h at 160 ℃, cooling, and crushing the product to obtain the modified phyllosilicate.
The molar ratio of the sodium silicate to the sodium hydroxide to the deionized water B is 4:1.5: 110.
In step S2, the amount ratio of mixture a to octadecyl trimethyl ammonium bromide is 1.0: 1.6.
The surfactant is a mixture of nonylphenol polyoxyethylene ether and ethylene glycol monobutyl ether according to a molar ratio of 24: 12.
The preparation method of the aluminum material alkaline cleaning agent comprises the following steps:
1) adding a proper amount of ionized water A into the modified phyllosilicate according to the weight percentage, dissolving while stirring until the modified phyllosilicate is completely dissolved, adding disodium ethylene diamine tetraacetate and sodium tartrate, and continuously stirring until the modified phyllosilicate is completely dissolved to prepare a mixture A for later use;
2) dissolving sodium pyrophosphate with a proper amount of ionized water A according to the weight percentage to obtain a mixture B for later use;
3) adding the mixture B obtained in the step 2) into the mixture A obtained in the step 1), uniformly mixing and stirring, continuously adding the surfactant and the alkyl glycoside, and stirring for 1.2 hours to obtain the aluminum material alkaline cleaning agent.
Comparative example 1
This comparative example differs from example 1 above in that: in this comparative example, sodium silicate was used in place of the modified layered silicate, and the rest of the comparative example was the same as example 1 and will not be described again.
Comparative example 2
This comparative example differs from example 3 above in that: in the comparative example, only nonylphenol polyoxyethylene ether was used as the surfactant, and the rest of the comparative example is the same as example 3 and is not described again.
The performance tests of the cleaning effect, the corrosion inhibition effect, the pH value, the surface effect and the like of the aluminum material alkaline cleaning agent prepared in the examples 1, 3 and 5 and the comparative examples 1-2 are carried out, and the results are shown in the following table 1:
wherein the detergency is measured according to the standard method of JB/T4323-1999; the pH value is tested according to the standard method of GB/T6368; visual inspection of surface effect; the corrosion rate was tested according to the standard method of GB/T50746-.
TABLE 1
| Item | Detergency (%) | Corrosion ratio (%) | pH value | Surface effects |
| Example 1 | 98.7 | 0.0011 | 7.6 | The surface is bright and beautiful, and no scratch appears |
| Example 3 | 99.6 | 0.0010 | 7.9 | The surface is bright and beautiful, and no scratch appears |
| Example 5 | 99.4 | 0.0012 | 8.0 | The surface is bright and beautiful, and no scratch appears |
| Comparative example 1 | 90.2 | 1.235 | 7.0 | A little scratch appears |
| Comparative example 2 | 25.5 | 0.512 | 7.2 | The surface is bright and has no scratch |
| Commercially available product | 20.1 | 1.015 | 6.9 | Beautiful surface and no scratch |
The data in the table show that the aluminum material alkaline cleaning agent prepared in the embodiments 1, 3 and 5 of the present invention has excellent cleaning effect, corrosion inhibition effect, pH value, surface effect, etc., and the addition of the modified layered silicate and the mixed surfactant effectively improves the comprehensive performance of the aluminum material alkaline cleaning agent, so that the aluminum material alkaline cleaning agent has good cleaning effect, corrosion inhibition effect, pH value, surface effect, etc., and chemical stability.
The above-described embodiments are preferred implementations of the present invention, and the present invention may be implemented in other ways without departing from the spirit of the present invention.
Claims (8)
1. An alkaline cleaning agent for aluminum materials, which is characterized in that: comprises the following raw materials in percentage by weight: 12-20% of modified phyllosilicate, 1.5-4% of disodium ethylene diamine tetraacetate, 0.5-2% of sodium pyrophosphate, 0.05-0.2% of sodium tartrate, 20-36% of surfactant, 1.6-3.5% of alkyl glycoside and the balance of deionized water A.
2. The alkaline cleaning agent for aluminum material as set forth in claim 1, wherein: comprises the following raw materials in percentage by weight: 14-18% of modified phyllosilicate, 1.5-4% of disodium ethylene diamine tetraacetate, 0.5-2% of sodium pyrophosphate, 0.05-0.2% of sodium tartrate, 20-36% of surfactant, 1.6-3.5% of alkyl glycoside and the balance of deionized water A.
3. The alkaline cleaning agent for aluminum material as set forth in claim 1, wherein: the modified phyllosilicate comprises the following raw materials: sodium silicate, sodium hydroxide and deionized water B.
4. The alkaline cleaning agent for aluminum material as set forth in claim 3, wherein: the modified phyllosilicate is prepared by the following steps:
s1, mixing and stirring sodium silicate, sodium hydroxide and deionized water B for 15-25min according to the molar ratio to obtain a mixture A for later use;
s2, slowly dripping octadecyl trimethyl ammonium bromide with the mass concentration of 0.8-1.2% into the mixture A obtained in the step S1 under the stirring condition, carrying out stirring reaction for 0.8-1.2h, evaporating and concentrating until the solution is viscous, then adding the material into a stainless steel reaction kettle with a tetrafluoroethylene lining, calcining for 22-26h at the temperature of 140-.
5. The alkaline cleaning agent for aluminum material as set forth in claim 4, wherein: the molar ratio of the sodium silicate to the sodium hydroxide to the deionized water B is 2-4:0.5-1.5: 90-110.
6. The alkaline cleaning agent for aluminum material as set forth in claim 1, wherein: the surfactant is one or two of nonylphenol polyoxyethylene ether and ethylene glycol monobutyl ether.
7. The alkaline cleaning agent for aluminum material as set forth in claim 1, wherein: the surfactant is a mixture of nonylphenol polyoxyethylene ether and ethylene glycol monobutyl ether according to a molar ratio of 16-24: 5-12.
8. A method for producing an alkaline cleaning agent for aluminum material according to any one of claims 1 to 7, characterized in that: is prepared by the following steps:
1) adding a proper amount of ionized water A into the modified phyllosilicate according to the weight percentage, dissolving while stirring until the modified phyllosilicate is completely dissolved, adding disodium ethylene diamine tetraacetate and sodium tartrate, and continuously stirring until the modified phyllosilicate is completely dissolved to prepare a mixture A for later use;
2) dissolving sodium pyrophosphate with a proper amount of ionized water A according to the weight percentage to obtain a mixture B for later use;
3) adding the mixture B obtained in the step 2) into the mixture A obtained in the step 1), uniformly mixing and stirring, continuously adding the surfactant and the alkyl glycoside, and stirring for 0.8-1.2h to obtain the aluminum material alkaline cleaning agent.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115094404A (en) * | 2022-06-10 | 2022-09-23 | 广州和力表面处理技术有限公司 | Preparation and application of battery aluminum foil chromium-free passivator |
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| CN108034954A (en) * | 2017-11-30 | 2018-05-15 | 珠海横琴思国科技发展有限公司 | A kind of anti-rust cleaning agent of aluminium and aluminium alloy and preparation method thereof |
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| CN101311316A (en) * | 2007-05-22 | 2008-11-26 | 天津晶岭电子材料科技有限公司 | Metallic aluminum material detergent |
| CN106947979A (en) * | 2017-03-22 | 2017-07-14 | 广州亦盛环保科技有限公司 | A kind of magnadure cleaning agent |
| CN107130253A (en) * | 2017-06-28 | 2017-09-05 | 华杰 | A kind of aluminum alloy cleaning agent |
| CN108034954A (en) * | 2017-11-30 | 2018-05-15 | 珠海横琴思国科技发展有限公司 | A kind of anti-rust cleaning agent of aluminium and aluminium alloy and preparation method thereof |
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| CN115094404A (en) * | 2022-06-10 | 2022-09-23 | 广州和力表面处理技术有限公司 | Preparation and application of battery aluminum foil chromium-free passivator |
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