CN117626278A - Washing-free cleaning agent for aluminum profile spraying pretreatment and preparation method thereof - Google Patents
Washing-free cleaning agent for aluminum profile spraying pretreatment and preparation method thereof Download PDFInfo
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- CN117626278A CN117626278A CN202311656436.1A CN202311656436A CN117626278A CN 117626278 A CN117626278 A CN 117626278A CN 202311656436 A CN202311656436 A CN 202311656436A CN 117626278 A CN117626278 A CN 117626278A
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- 239000012459 cleaning agent Substances 0.000 title claims abstract description 35
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 30
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 238000005507 spraying Methods 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 238000002203 pretreatment Methods 0.000 title description 2
- 238000004140 cleaning Methods 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000002253 acid Substances 0.000 claims abstract description 17
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- 239000004094 surface-active agent Substances 0.000 claims abstract description 15
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 12
- 230000000149 penetrating effect Effects 0.000 claims abstract description 12
- 229920000642 polymer Polymers 0.000 claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 11
- 239000000080 wetting agent Substances 0.000 claims abstract description 10
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 33
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- 238000005406 washing Methods 0.000 claims description 17
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- SNQQPOLDUKLAAF-UHFFFAOYSA-N nonylphenol Chemical compound CCCCCCCCCC1=CC=CC=C1O SNQQPOLDUKLAAF-UHFFFAOYSA-N 0.000 claims description 4
- 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 description 3
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 3
- LNOPIUAQISRISI-UHFFFAOYSA-N n'-hydroxy-2-propan-2-ylsulfonylethanimidamide Chemical compound CC(C)S(=O)(=O)CC(N)=NO LNOPIUAQISRISI-UHFFFAOYSA-N 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
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- AEQDJSLRWYMAQI-UHFFFAOYSA-N 2,3,9,10-tetramethoxy-6,8,13,13a-tetrahydro-5H-isoquinolino[2,1-b]isoquinoline Chemical compound C1CN2CC(C(=C(OC)C=C3)OC)=C3CC2C2=C1C=C(OC)C(OC)=C2 AEQDJSLRWYMAQI-UHFFFAOYSA-N 0.000 claims description 2
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- -1 polyoxyethylene Polymers 0.000 description 10
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- 239000002202 Polyethylene glycol Substances 0.000 description 5
- PDIZYYQQWUOPPK-UHFFFAOYSA-N acetic acid;2-(methylamino)acetic acid Chemical compound CC(O)=O.CC(O)=O.CNCC(O)=O PDIZYYQQWUOPPK-UHFFFAOYSA-N 0.000 description 5
- 229920001223 polyethylene glycol Polymers 0.000 description 5
- 150000003333 secondary alcohols Chemical class 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 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 description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 3
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- XFRVVPUIAFSTFO-UHFFFAOYSA-N 1-Tridecanol Chemical compound CCCCCCCCCCCCCO XFRVVPUIAFSTFO-UHFFFAOYSA-N 0.000 description 2
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000003945 anionic surfactant Substances 0.000 description 2
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 230000007794 irritation Effects 0.000 description 2
- PYIDGJJWBIBVIA-UYTYNIKBSA-N lauryl glucoside Chemical compound CCCCCCCCCCCCO[C@@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O PYIDGJJWBIBVIA-UYTYNIKBSA-N 0.000 description 2
- 230000009965 odorless effect Effects 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- DZSVIVLGBJKQAP-UHFFFAOYSA-N 1-(2-methyl-5-propan-2-ylcyclohex-2-en-1-yl)propan-1-one Chemical compound CCC(=O)C1CC(C(C)C)CC=C1C DZSVIVLGBJKQAP-UHFFFAOYSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- GIYMJJRYEFFRKQ-UHFFFAOYSA-K [Na+].[Na+].[Na+].CNCC(=O)[O-].CNCC(=O)[O-].CNCC(=O)[O-] Chemical compound [Na+].[Na+].[Na+].CNCC(=O)[O-].CNCC(=O)[O-].CNCC(=O)[O-] GIYMJJRYEFFRKQ-UHFFFAOYSA-K 0.000 description 1
- 229920006322 acrylamide copolymer Polymers 0.000 description 1
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- 125000001033 ether group Chemical group 0.000 description 1
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- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
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- 229910052742 iron Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 229910001437 manganese ion Inorganic materials 0.000 description 1
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Landscapes
- Detergent Compositions (AREA)
Abstract
The invention discloses a water-free cleaning agent for aluminum profile spraying pretreatment, which comprises the following components in parts by weight: 5-10 parts of acid; 1-5 parts of a surfactant; 5-7 parts of a polymer auxiliary agent; 5-9 parts of chelating agent; 3-7 parts of wetting agent; 2-5 parts of penetrating agent; the balance being water. The washing-free cleaning agent for the aluminum profile spraying pretreatment has strong cleaning performance, can effectively clean oil dirt on the surface of an aluminum profile product, thoroughly cleans the metal surface by utilizing acidity, emulsifying property, chelating property and the like of the cleaning agent, ensures the surface gloss of the product, simultaneously does not influence the appearance of the product, and ensures the quality of the product. The invention also discloses a preparation method of the water-free cleaning agent for the pretreatment of the aluminum profile spraying, and the cleaning agent produced by the preparation method has stable performance, strong decontamination and cleaning capability, has no influence on the appearance of products, can effectively improve the quality and the production requirements of the products, increases the adhesive force in the next process spraying, is environment-friendly, does not contain heavy metals, and has no toxic or harmful substances and no harm to human bodies.
Description
Technical Field
The invention relates to the technical field of cleaning agents, in particular to a water-free cleaning agent for aluminum profile spraying pretreatment and a preparation method thereof.
Background
The aluminum profile is commonly applied in the whole market, and various doors, windows and decorative articles are inseparable from life, so that the industry of the aluminum profile has huge market application scenes. In the process of processing and producing the aluminum profile, the surface of the aluminum profile is sprayed with metal powder coating to achieve various desired appearances and colors. Before spraying, the aluminum profile surface is cleaned by a cleaning agent to clean dirt, greasy dirt and the like on the aluminum profile surface, so that the effect required by pretreatment of spraying is achieved, the suction force is stronger, and the service life of the aluminum profile is prolonged. In the cleaning process, after the cleaning agent is generally cleaned, the residue of the cleaning agent can be cleaned by washing for two to three times in order not to influence the adsorption force of spraying, so that the required effect of the product surface before spraying is achieved.
Disclosure of Invention
One object of the present invention is to: the cleaning agent has the advantages that the cleaning performance is high, oil stains and dirt on the surface of an aluminum profile product can be effectively cleaned, the metal surface is thoroughly cleaned by the aid of acidity, emulsifying property, chelating property and the like of the cleaning agent, the surface gloss of the product is ensured, the appearance of the product is not influenced, and the quality of the product is ensured.
Another object of the invention is: the preparation method of the cleaning agent for the aluminum profile pretreatment by spraying is stable in performance, strong in decontamination and cleaning capability, free of influence on the appearance of products, capable of effectively improving the quality and production requirements of the products, improving the adhesive force in the next process of spraying, environment-friendly, free of heavy metals and toxic and harmful substances, and free of harm to human bodies.
To achieve the purpose, the invention adopts the following technical scheme:
the cleaning agent for the pretreatment of the aluminum profile spraying comprises the following components in parts by weight:
5-10 parts of acid;
1-5 parts of a surfactant;
5-7 parts of a polymer auxiliary agent;
5-9 parts of chelating agent;
3-7 parts of wetting agent;
2-5 parts of penetrating agent;
the balance being water.
As a preferable technical scheme, in order to improve the cleaning and decontamination effects, the chemical stability in acid and water can be ensured, wherein the acid is one or more of citric acid, sulfuric acid, sulfamic acid and AMPS, and 8 parts of acid.
As a preferable technical scheme, in order to improve the cleaning capability of the cleaning agent on greasy dirt and dirty, the permeability, wettability and emulsifying property of the cleaning agent are improved, and meanwhile, the surface tension of the cleaning agent is reduced, wherein the surfactant is one or more of sodium dodecyl benzene sulfonate, secondary alcohol polyoxyethylene ether, fatty alcohol polyoxyethylene ether, isomeric alcohol polyoxyethylene ether, polyoxyethylene alkyl alcohol amide, alkylphenol polyoxyethylene ether and nonylphenol polyoxyethylene ether, and 5 parts of the surfactant.
As a preferable technical scheme, 6 parts of the polymer auxiliary agent.
As a preferable technical scheme, in order to improve the cleaning force of metal particles on the surface of a product during cleaning, the chelating agent increases the complexation of metal ions so as to enable the metal ions to be cleaned more easily, wherein the chelating agent is one or more of sodium gluconate, EDTA2 sodium, MGDA and MA/AA, and 8 parts of the chelating agent.
As a preferred embodiment, 3 parts of the wetting agent.
As a preferred embodiment, 3 parts of the penetrating agent.
A preparation method of a water-free cleaning agent for aluminum profile spraying pretreatment comprises the following steps:
step 1, weighing according to the mass parts of 5-10 parts of acid, 1-5 parts of surfactant, 5-7 parts of polymer auxiliary agent, 5-9 parts of chelating agent, 3-7 parts of wetting agent, 2-5 parts of penetrating agent and the balance of water;
step 2, adding the weighed water into a reaction kettle according to the amount, adding the weighed acid and the chelating agent into the reaction kettle, stirring for 5-10 minutes, adding the weighed penetrating agent into the reaction kettle, stirring for 15-20 minutes, standing for 3-4 minutes, and fully dissolving to obtain a mixture A;
step 3, sequentially adding the weighed surfactant, wetting agent and polymer auxiliary agent into a container, stirring for 4-8 minutes, fully mixing, adding the corrosion inhibitor into the container, heating and stirring for 10-15 minutes to obtain a mixture B, adding the mixture A into the mixture B, and stirring for 15-25 minutes again;
and 4, discharging and packaging the mixture after detection and analysis.
Wherein, the components of the material are as follows:
secondary alcohol polyoxyethylene ether: is an anionic surfactant with high foam and good hydrolytic stability, and has the advantages of excellent hard water resistance, low toxicity, mildness, low irritation and good biodegradability. In particular in phosphorus-free detergents.
Dodecyl glucoside: a chemical substance with molecular formula of C18H36O6 belongs to nonionic surfactant, has better ability of removing greasy dirt, and sodium dodecyl benzene sulfonate belongs to dodecyl glucoside.
Fatty alcohol polyoxyethylene ether: also called polyoxyethylene fatty alcohol ether, the most rapidly developed and largest variety of nonionic surfactants. The surfactant is ether formed by condensing polyethylene glycol and fatty alcohol, and ether bond in molecules is not easily damaged by acid and alkali, so that the surfactant has the advantages of higher stability, better water solubility, electrolyte resistance, easiness in biodegradation, small foam, insensitivity to hard water and good low-temperature washing performance, and is used for compounding low-foam liquid detergents.
Polyoxyethylene alkyl alcohol amide: the nonionic surfactant has strong foaming and foam stabilizing effects, so that the nonionic surfactant is commonly used as a foam accelerator and a foam stabilizer, and some of the nonionic surfactant has good washing power, solubilization power and thickening effects, has good water solubility and washing power, can be used as a foam stabilizer in a detergent, and can also be used as a surfactant and a rust remover.
Isomeric alcohol polyoxyethylene ether: the aqueous emulsion has good wetting, penetrating and washing capacities, good emulsifying power, high chemical stability, and is not easily damaged by strong acid and strong alkali even at high temperature, and can be used as a detergent and a penetrating agent, and is mainly used in metal acid detergents and alkaline detergents.
EDTA2 sodium: disodium edetate, also known as EDTA-2Na, is a good complexing agent in chemistry. The chemical formula is C10H14N2Na2O8, the molecular weight is 336.206, the complex formed by the chemical formula has six coordination atoms, namely chelate, EDTA is often used in coordination titration, and the content of metal ions is generally measured. EDTA has important applications in industries such as dyes, foods, medicines, and the like. Disodium edetate is odorless or brackish white or milky crystalline or granular powder, odorless and tasteless. It is soluble in water and very poorly soluble in ethanol. It is an important chelating agent capable of chelating metal ions in solution. Preventing discoloration and deterioration caused by metal.
Citric acid: citric acid is an acid produced by microbial fermentation, is widely applied to the production of detergents, and plays a positive role in the specificity and chelation of the citric acid. The citric acid has good performance in the actual use process, is mainly outstanding in the aspect of safety, has strong chelating ability, is mainly strong in chelating ability of citrate on manganese ions, iron ions and the like, and has outstanding use effect. The corrosion inhibition in the use performance of the citric acid in the detergent is also outstanding, the pickling is an important link in chemical cleaning, and compared with inorganic acid, the acidity of the citric acid is relatively weak, so that the corrosion to equipment is small, the safety and reliability of the citric acid cleaning are strong, the waste liquid is easy to treat, and the damage to human bodies is avoided.
Trisodium Methylglycinate (MGDA) can be added to heavy duty powder detergents, liquid detergents, soap based detergents, pre-soil release and builder products to provide excellent cleaning. Especially for stubborn stains such as natural grease, sebum, blood stains, milk stains, ink stains, dust, proteins and the like, the effect of the trisodium Methylglycinediacetate (MGDA) is particularly remarkable.
The beneficial effects of the invention are as follows: the cleaning agent is characterized in that the cleaning agent is directly sprayed without water washing after the aluminum profile is cleaned, so that two to three water washing processes can be reduced, a large amount of water resources are saved, meanwhile, the equipment investment cost is saved for enterprises due to the fact that two to three water washing tanks are reduced, and the production efficiency is improved greatly due to the fact that the water washing tanks are reduced, the cleaning time is reduced by 5-10 minutes.
(1) The chelating agent is added into the cleaning agent, so that the complexation of the cleaning agent and metal ions can be increased, the metal surface can be thoroughly cleaned, rust spots and oil spots are removed, the cleaning effect is ensured, the attractiveness is improved, the cleaning quality of the product is ensured, and meanwhile, the metal ion dirt adsorbed on the surface of the product is released for cleaning;
(2) By adding the polymer auxiliary agent, PEG (polyethylene glycol) has no irritation, slightly bitter taste, good water solubility, good compatibility with a plurality of organic matters, good lubricity, moisture retention, dispersibility and adhesiveness, can be used as an antistatic agent and the like, and has extremely wide application in industries such as cosmetics, pharmacy, chemical fiber, rubber, plastics, papermaking, paint, electroplating, pesticides, metal processing, food processing and the like. The spraying adsorptivity and stability are improved well;
(3) Through the mutual coordination of the anionic surfactant and the nonionic surfactant, the detergent has the advantages of good performance stability, strong detergency and small corrosiveness to metal workpieces, can effectively improve the grade and quality of products, prolongs the service life of the products, and can also ensure the degreasing capability at lower temperature. The emulsification force of the washing solution is increased, the foam is stabilized, the surface tension and the micelle critical concentration of the washing solution can be reduced, and the decontamination effect of the detergent can be improved.
Detailed Description
The technical scheme of the invention is further described by the following specific embodiments.
A washing-free cleaning agent for the pretreatment of aluminum profile spraying comprises the following components:
50-70 parts of deionized water, 5-10 parts of acid, 1-5 parts of surfactant, 5-7 parts of polymer auxiliary agent, 2-5 parts of penetrating agent, 3-7 parts of wetting agent and 5-9 parts of chelating agent.
Wherein the polymer auxiliary agent comprises the following raw material components: secondary alcohol polyoxyethylene ether and acrylamide copolymers.
Embodiment one:
the cleaning agent for the aluminum profile spray pretreatment without washing comprises the following specific components: 69 parts of deionized water, 8 parts of citric acid, 5 parts of sulfuric acid, 2 parts of isomeric tridecanol polyoxyethylene ether, 1 part of nonylphenol polyoxyethylene ether, 2 parts of secondary alcohol polyoxyethylene ether, 3 parts of PEG, 5 parts of JEC-3 5 parts of MGDA.
Wherein JFC is fatty alcohol polyoxyethylene ether.
Embodiment two:
the cleaning agent for the aluminum profile spray pretreatment without washing comprises the following specific components: 64 parts of deionized water, 5 parts of citric acid, 5 parts of AMPS, 2 parts of MA/AA, 5 parts of sulfamic acid, 3 parts of isomeric tridecanol polyoxyethylene ether, 5 parts of nonylphenol polyoxyethylene ether, 3 parts of secondary alcohol polyoxyethylene ether, 2 parts of PEG, 2 parts of isopropanol and 33 parts of JEC-3 3.
Wherein AMPS is 2-acrylamide-2-methylpropanesulfonic acid, and MA/AA is copolymer of maleic acid and acrylic acid.
It should be noted that the above embodiments are merely preferred embodiments of the present invention and the applied technical principles, and any changes or substitutions easily conceivable to those skilled in the art within the scope of the present invention are included in the scope of the present invention.
Claims (8)
1. The cleaning agent for the pretreatment of the aluminum profile spraying is characterized by comprising the following components in parts by weight:
5-10 parts of acid;
1-5 parts of a surfactant;
5-7 parts of a polymer auxiliary agent;
5-9 parts of chelating agent;
3-7 parts of wetting agent;
2-5 parts of penetrating agent;
the balance being water.
2. The cleaning agent for cleaning aluminum profile before spraying treatment without washing according to claim 1, wherein the acid is one or more of citric acid, sulfuric acid, sulfamic acid and AMPS, and the acid is 8 parts.
3. The cleaning agent for the pretreatment of aluminum profile spraying, which is characterized in that the surfactant is one or more of sodium dodecyl benzene sulfonate, fatty alcohol polyoxyethylene ether, isomeric alcohol polyoxyethylene ether and nonylphenol polyoxyethylene ether, and 5 parts of the surfactant.
4. The cleaning agent for cleaning aluminum profile before spraying treatment, which is characterized by comprising 6 parts of the polymer auxiliary agent.
5. The cleaning agent for cleaning aluminum profile before spraying treatment without washing according to claim 1, wherein the chelating agent is one or more of sodium gluconate, EDTA2 sodium, MGDA and MA/AA, and 8 parts of the chelating agent.
6. The cleaning agent for cleaning aluminum profiles before spraying treatment without washing according to claim 1, wherein the wetting agent is 3 parts.
7. The cleaning agent for cleaning aluminum profiles before spraying treatment without washing according to claim 1, wherein 3 parts of penetrating agent are used.
8. The preparation method of the water-free cleaning agent for the spray pretreatment of the aluminum profile is characterized by comprising the following steps of:
step 1, weighing according to the mass parts of 5-10 parts of acid, 1-5 parts of surfactant, 5-7 parts of polymer auxiliary agent, 5-9 parts of chelating agent, 3-7 parts of wetting agent, 2-5 parts of penetrating agent and the balance of water;
step 2, sequentially adding the weighed water, acid, penetrating agent and chelating agent into a reaction kettle, stirring for 20-30 minutes, and fully dissolving;
step 3, sequentially adding the weighed surfactant, wetting agent and polymer auxiliary agent into a reaction kettle, stirring for 30-50 minutes, and fully mixing;
and 4, discharging and packaging the mixture after detection and analysis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311656436.1A CN117626278A (en) | 2023-12-05 | 2023-12-05 | Washing-free cleaning agent for aluminum profile spraying pretreatment and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311656436.1A CN117626278A (en) | 2023-12-05 | 2023-12-05 | Washing-free cleaning agent for aluminum profile spraying pretreatment and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117626278A true CN117626278A (en) | 2024-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311656436.1A Pending CN117626278A (en) | 2023-12-05 | 2023-12-05 | Washing-free cleaning agent for aluminum profile spraying pretreatment and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117626278A (en) |
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2023
- 2023-12-05 CN CN202311656436.1A patent/CN117626278A/en active Pending
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