CN107254682A - Scale remover - Google Patents

Scale remover Download PDF

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Publication number
CN107254682A
CN107254682A CN201710487967.0A CN201710487967A CN107254682A CN 107254682 A CN107254682 A CN 107254682A CN 201710487967 A CN201710487967 A CN 201710487967A CN 107254682 A CN107254682 A CN 107254682A
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CN
China
Prior art keywords
scale remover
acid
stabilizer
builder
ammonium
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Pending
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CN201710487967.0A
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Chinese (zh)
Inventor
刘林
王舒
张少林
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SHENZHEN WEITONG TECHNOLOGY Co Ltd
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SHENZHEN WEITONG TECHNOLOGY Co Ltd
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Priority to CN201710487967.0A priority Critical patent/CN107254682A/en
Publication of CN107254682A publication Critical patent/CN107254682A/en
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    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23GCLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02Cleaning or pickling metallic material with solutions or molten salts with acid 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)
  • Catalysts (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)

Abstract

The present invention provides a kind of scale remover, belongs to electroplating technology field, it includes oxidant, stabilizer, catalyst, builder and solvent;Wherein oxidant is selected from least one of hydrogen peroxide or sodium peroxydisulfate, and stabilizer is selected from least one of phytic acid, butyl glycol ether or 1-hydroxy ethylidene-1,1-diphosphonic acid;Builder is selected from least one of ammonium fluoride, ammonium acid fluoride or hydrofluoric acid.The scale remover is few without the acid with strong oxidizing property such as nitric acid or addition, and corrosivity is not notable, will not produce corrosion to aluminium alloy, not interfere with the dimensional accuracy of aluminium alloy.The discharge of phosphorus is not produced simultaneously, wastewater treatment is simply easy.Also the discharge of the brown color smog such as nitrogen oxides will not be produced, improves production environment, exhaust-gas treatment is reduced.

Description

Scale remover
Technical field
The present invention relates to electroplating technology field, in particular to a kind of scale remover.
Background technology
Usually, die casting or machine add scale removal process in alloy product pre-electroplating treatment the use of volume ratio to be traditional nitric acid Plus hydrogen fluoride or use are using volume ratio as phosphoric acid (H3PO4) 50%, addition nitric acid (HNO368%) 30% and hydrofluoric acid (HF 40%) 10% and excess water solution normal temperature under embathe the process (hereinafter referred to as " three acid systems ") of tens of seconds.
Pack alloy product is after traditional nitric acid adds hydrogen fluoride or " three acid systems " scale removal, and surface is pure white, color and luster Uniformly, the once purged subsequent handlings such as zinc that can be dusted or sunk, ensure binding force of cladding material.
But the traditional scale removal of ability and three acid systems are primarily present following deficiency:Due to using concentrated nitric acid, concentrated phosphoric acid, dense hydrogen Fluoric acid, configuration is dangerous, and penetrating odor is big;Phosphoric acid consumption is big, and phosphorus emission is big;Working concentration is high, and total release is big;Used The a large amount of nitrogen oxides brown color smog of Cheng Zhongyou are produced, and deteriorate production environment, and exhaust-gas treatment amount is big;Solution corrosion is strong, part Product size removal amount is larger etc..
The content of the invention
It is an object of the invention to provide a kind of scale remover, waste water and gas discharge is less when in use and scale removal effect is with showing for it There are three acid systems of technology suitable.
What embodiments of the invention were realized in:
A kind of scale remover, including oxidant, stabilizer, catalyst, builder and solvent.
Wherein, the oxidant be selected from least one of hydrogen peroxide or sodium peroxydisulfate, the stabilizer be selected from phytic acid, At least one of butyl glycol ether or 1-hydroxy ethylidene-1,1-diphosphonic acid;The builder is selected from ammonium fluoride, ammonium acid fluoride or hydrofluoric acid At least one of.Solvent for example can be water.
Preferably, in scale remover, each component includes by weight percentage:10wt%-70wt% oxidant, 0.1wt%- 5wt% stabilizer, 0.001wt%-5wt% catalyst, 5wt%-60wt% builder and 10wt%-50wt% Solvent.
The present invention also provides another scale remover:
A kind of scale remover, including oxidant, stabilizer, builder, catalyst and solvent, wherein, the oxidant includes 20wt% hydrogen peroxide and 15wt% ammonium persulfate.
The stabilizer includes 0.5wt% phytic acid and 1wt% 1-hydroxy ethylidene-1,1-diphosphonic acid, and the builder includes 20wt% ammonium fluoride and 20wt% ammonium acid fluoride.
The catalyst includes 0.5wt% ferrous sulfate and 1wt% ferric sulfate.
The solvent is 22wt% water.Above-mentioned each mass percent is the mass percent that each composition accounts for scale remover.
The scale remover that the present invention is provided has the advantages that:
1st, scale removal effect is suitable with three acid systems and better than traditional descaling method.
2nd, pH value is 1-5 after the completion of solution is prepared, and due to no addition nitric acid, corrosivity is not notable, does not interfere with work Part dimensional accuracy.
3rd, not phosphoric acid, the discharge of phosphorus is not produced, wastewater treatment is simply easy.
4th, without nitric acid, the discharge of nitrogen oxides brown color smog is not produced in production process, improves production environment, is reduced Exhaust-gas treatment.
In use, scale remover of the present invention processing die casting or machine add after aluminium alloy 10s-120s, product surface is pure white, Uniform color, once purged to carry out the subsequent handlings such as heavy zinc, nickel plating, subsequent plating layer adhesion is good.
Embodiment
, below will be in the embodiment of the present invention to make the purpose, technical scheme and advantage of the embodiment of the present invention clearer Technical scheme be clearly and completely described.Unreceipted actual conditions person, builds according to normal condition or manufacturer in embodiment The condition of view is carried out.Agents useful for same or the unreceipted production firm person of instrument, are the conventional production that can be obtained by commercially available purchase Product.
Modified metal of the embodiment of the present invention and preparation method thereof, metal screen and preparation method thereof are carried out below specific Explanation.
The present invention provides a kind of scale remover, is mainly used in the scale removal work in die casting or machine plus alloy product pre-electroplating treatment Sequence, for removing spot or dirt on alloy product.
The scale remover includes oxidant, stabilizer, catalyst, builder and solvent.It is preferred that, in scale remover, each composition Mass percent for example can be:
Scale remover includes:10wt%-70wt% oxidant, 0.1wt%-5wt% stabilizer, 0.001wt%- The solvent of 5wt% catalyst, 5wt%-60wt% builder and 10wt%-50wt%.
It is furthermore preferred that the mass percent of each composition is:
Scale remover includes:20wt%-60wt% oxidant, 0.2wt%-2wt% stabilizer, 0.001wt%- The solvent of 5wt% catalyst, 10wt%-30wt% builder and 10wt%-50wt%.
Or, the mass percent of each composition can also be:
Scale remover includes:20wt%-60wt% oxidant, 2wt%-5wt% stabilizer, 0.01wt%-5wt% The solvent of catalyst, 10wt%-30wt% builder and 10wt%-50wt%.
Wherein, oxidant be selected from least one of hydrogen peroxide or sodium peroxydisulfate, for example hydrogen peroxide, sodium peroxydisulfate, The mixture of hydrogen peroxide and sodium peroxydisulfate.
Preferably, oxidant is 10wt%-60wt% hydrogen peroxide or 20wt%-70wt% ammonium persulfate. Such as oxidant can be the hydrogen peroxide for accounting for scale remover 10wt%, 20wt%, 30wt%, 40wt%, 50wt%, 60wt%, Or, oxidant can be the ammonium persulfate for accounting for scale remover 20wt%, 30wt%, 40wt%, 50wt%, 60wt%, 70wt%.
When oxidant selects the mixture of hydrogen peroxide and ammonium persulfate, the toatl proportion of the two is preferably more than scale remover 70wt%, and hydrogen peroxide is preferably not less than the 10wt% of scale remover, and ammonium persulfate is preferably not less than the 20wt% of scale remover.
Stabilizer can be for 0.2wt%-2wt% phytic acid or 0.1wt%-2wt% butyl glycol ether or 0.2wt%-5wt% 1-hydroxy ethylidene-1,1-diphosphonic acid.For example:Stabilizer can be account for scale remover 0.2wt%, 0.5wt%, 1wt%, 1.5wt%, 2wt% phytic acid.Can also be the second two for accounting for scale remover 0.1wt%, 0.5wt%, 1wt%, 1.5wt%, 2wt% Alcohol butyl ether.Can also be account for scale remover 0.2wt%, 0.5wt%, 1wt%, 1.5wt%, 2wt%, 2.5wt%, 3wt%, 3.5wt%, 4wt%, 4.5wt%, 5wt% 1-hydroxy ethylidene-1,1-diphosphonic acid.
Stabilizer can also select two or three in phytic acid, butyl glycol ether and 1-hydroxy ethylidene-1,1-diphosphonic acid, can be with Add other suitable stabilizers.When stabilizer selects two or three of mixture of above-mentioned each material, in mixture, plant Acid is preferably not less than the 0.2wt% of scale remover, and butyl glycol ether is preferably not less than the 0.1wt% of scale remover, the phosphorus of hydroxy ethylidene two Acid is preferably not less than the 0.2wt% of scale remover.
Builder can select to account for scale remover 10wt%-60wt% ammonium fluoride or account for scale remover 19wt%-60wt%'s Ammonium acid fluoride or the hydrofluoric acid for accounting for scale remover 5wt%-30wt%.For example:Builder can be account for scale remover 10wt%, 20wt%, 30wt%, 40wt%, 50wt%, 60wt% ammonium fluoride.Builder can also be account for scale remover 20wt%, 30wt%, 40wt%, 50wt%, 60wt% ammonium acid fluoride.Builder can also be account for scale remover 5wt%, 10wt%, 15wt%, 20wt%, 25wt%, 30wt% hydrofluoric acid.
Builder can also select two or three in ammonium fluoride, ammonium acid fluoride or hydrofluoric acid, can also add other Suitable acid ingredient.When builder selects two or three of mixture in above-mentioned substance, ammonium fluoride, which is preferably not less than, to be removed 10wt%, the ammonium acid fluoride of dirty agent are preferably not less than the 5wt% that the 19wt% of scale remover, hydrofluoric acid are preferably not less than scale remover.
It is preferred that, in order to reduce the acidity of scale remover, it is to avoid cause stronger corrosion to workpiece, when selection hydrofluoric acid conduct During builder, ammonium fluoride or ammonium acid fluoride can be added in right amount.
Catalyst can be accounted for scale remover 0.001wt%-5wt% ferrous sulfate or account for scale remover 0.01wt%-5wt% Ferric sulfate or account for scale remover 0.02wt%-5wt% cuprous sulfate or account for scale remover 0.001wt%-5wt% copper sulphate. Such as catalyst can be account for scale remover 0.001wt%, 0.5wt%, 1wt%, 1.5wt%, 2wt%, 2.5wt%, 3wt%, 3.5wt%, 4wt%, 4.5wt%, 5wt% ferrous sulfate or account for scale remover 0.01wt%, 0.5wt%, 1wt%, 1.5wt%, 2wt%, 2.5wt%, 3wt%, 3.5wt%, 4wt%, 4.5wt%, 5wt% ferric sulfate.Catalyst can also Be account for scale remover 0.02wt%, 0.5wt%, 1wt%, 1.5wt%, 2wt%, 2.5wt%, 3wt%, 3.5wt%, 4wt%, 4.5wt%, 5wt% cuprous sulfate, can also be account for scale remover 0.001wt%, 0.5wt%, 1wt%, 1.5wt%, 2wt%, 2.5wt%, 3wt%, 3.5wt%, 4wt%, 4.5wt%, 5wt% copper sulphate.
Catalyst can also select in ferric sulfate, ferrous sulfate, copper sulphate, cuprous sulfate two kinds, three kinds or four kinds mixed Compound.
Solvent can select water, be preferably deionized water.
As the preferred scheme of scale remover, scale remover can include 30wt% ammonium persulfate, 0.5wt% phytic acid, 35wt% ammonium acid fluoride, 1.5% ferrous sulfate, 33% water.
The embodiment of the present invention also provides the scheme of another scale remover, scale remover include oxidant, stabilizer, builder, Catalyst and solvent, wherein, oxidant includes 20wt% hydrogen peroxide and 15wt% ammonium persulfate, and stabilizer includes 0.5wt% phytic acid and 1wt% 1-hydroxy ethylidene-1,1-diphosphonic acid, builder include 20wt% ammonium fluoride and 20wt% hydrogen fluoride Ammonium, catalyst includes 0.5wt% ferrous sulfate and 1wt% ferric sulfate, and solvent is 22wt% water.
The feature and performance to the present invention are described in further detail with reference to embodiments.
Embodiment 1
The present embodiment provides a kind of scale remover, including oxidant, stabilizer, builder, catalyst and solvent, wherein, oxygen Agent is hydrogen peroxide, and stabilizer is phytic acid, and builder is ammonium fluoride, and catalyst is ferric sulfate, and solvent is water.
Wherein, the percentage by weight of each component is respectively:
Embodiment 2
The present embodiment provides a kind of scale remover, including oxidant, stabilizer, builder, catalyst and solvent, wherein, oxygen Agent is the mixture of hydrogen peroxide and ammonium persulfate, and stabilizer is the mixture of phytic acid and butyl glycol ether, and builder is fluorine Change the mixture of ammonium and ammonium acid fluoride, catalyst is the mixture of ferric sulfate and ferrous sulfate, and solvent is water.
Wherein, the percentage by weight of each component is respectively:
Embodiment 3
The present embodiment provides a kind of scale remover, including oxidant, stabilizer, builder, catalyst and solvent, wherein, oxygen Agent is the mixture of hydrogen peroxide and ammonium persulfate, and stabilizer is the mixture of phytic acid and 1-hydroxy ethylidene-1,1-diphosphonic acid, builder For ammonium fluoride and the mixture of ammonium acid fluoride, catalyst is the mixture of ferric sulfate and copper sulphate, and solvent is water.
Wherein, the percentage by weight of each component is respectively:
Embodiment 4
The present embodiment provides a kind of scale remover, including oxidant, stabilizer, builder, catalyst and solvent, wherein, oxygen Agent is hydrogen peroxide, and stabilizer is phytic acid, and builder is ammonium acid fluoride, and catalyst is the mixing of ferric sulfate and cuprous sulfate Thing, solvent is water.
Wherein, the percentage by weight of each component is respectively:
Embodiment 5
The present embodiment provides a kind of scale remover, including oxidant, stabilizer, builder, catalyst and solvent, wherein, oxygen Agent is hydrogen peroxide, and stabilizer is phytic acid, and builder is ammonium fluoride, and catalyst is ferric sulfate, and solvent is water.
Wherein, the percentage by weight of each component is respectively:
Embodiment 6
The present embodiment provides a kind of scale remover, including oxidant, stabilizer, builder, catalyst and solvent, wherein, oxygen Agent is hydrogen peroxide, and stabilizer is phytic acid, and builder is ammonium fluoride, and catalyst is ferric sulfate, and solvent is water.
Wherein, the percentage by weight of each component is respectively:
Embodiment 7
The present embodiment provides a kind of scale remover, including oxidant, stabilizer, builder, catalyst and solvent, wherein, oxygen Agent is the mixture of hydrogen peroxide and ammonium persulfate, and stabilizer is the mixture of phytic acid and butyl glycol ether, and builder is fluorine Change the mixture of ammonium and ammonium acid fluoride, catalyst is the mixture of ferric sulfate and ferrous sulfate, and solvent is water.
Wherein, the percentage by weight of each component is respectively:
Embodiment 8
The present embodiment provides a kind of scale remover, including oxidant, stabilizer, builder, catalyst and solvent, wherein, oxygen Agent is the mixture of hydrogen peroxide and ammonium persulfate, and stabilizer is the mixture of phytic acid and butyl glycol ether, and builder is fluorine Change the mixture of ammonium and ammonium acid fluoride, catalyst is the mixture of ferric sulfate and ferrous sulfate, and solvent is water.
Wherein, the percentage by weight of each component is respectively:
Embodiment 9
The present embodiment provides a kind of scale remover, including oxidant, stabilizer, builder, catalyst and solvent, wherein, oxygen Agent is ammonium persulfate, and stabilizer is the mixture of phytic acid and 1-hydroxy ethylidene-1,1-diphosphonic acid, and builder is ammonium fluoride and ammonium acid fluoride Mixture, catalyst is the mixture of ferric sulfate and copper sulphate, and solvent is water.
Wherein, the percentage by weight of each component is respectively:
Embodiment 10
The present embodiment provides a kind of scale remover, including oxidant, stabilizer, builder, catalyst and solvent, wherein, oxygen Agent is the mixture of hydrogen peroxide and ammonium persulfate, and stabilizer is the mixture of phytic acid and 1-hydroxy ethylidene-1,1-diphosphonic acid, builder For ammonium fluoride, catalyst is ferric sulfate, and solvent is water.
Wherein, the percentage by weight of each component is respectively:
Embodiment 11
The present embodiment provides a kind of scale remover, including oxidant, stabilizer, builder, catalyst and solvent, wherein, oxygen Agent is hydrogen peroxide, and stabilizer is phytic acid, and builder is the mixture of ammonium acid fluoride and ammonium fluoride, and catalyst is ferric sulfate, Solvent is water.
Wherein, the percentage by weight of each component is respectively:
Embodiment 12
The present embodiment provides a kind of scale remover, including oxidant, stabilizer, builder, catalyst and solvent, wherein, oxygen Agent is hydrogen peroxide, and stabilizer is phytic acid, and builder is ammonium fluoride, and catalyst is ferric sulfate, and solvent is water.
Wherein, the percentage by weight of each component is respectively:
Aluminium alloy is added with scale remover processor made from embodiment 1-12, processing mode is soaked for elution, processing time is 10s-120s, records the cleaning situation of aluminum alloy surface after processing.
The surface wettability tables of data of the gained metal fluoride filter screen of table 1
Project Processing time Aluminum alloy surface situation Color and luster
Embodiment 1 60s It is pure white It is bright, uniform
Embodiment 2 60s It is pure white It is bright, uniform
Embodiment 3 60s It is pure white It is bright, uniform
Embodiment 4 60s It is pure white It is bright, uniform
Embodiment 5 60s It is pure white It is bright, uniform
Embodiment 6 60s It is pure white It is bright, uniform
Embodiment 7 60s It is pure white It is bright, uniform
Embodiment 8 60s It is pure white It is bright, uniform
Embodiment 9 60s It is pure white It is bright, uniform
Embodiment 10 60s It is pure white It is bright, uniform
Embodiment 11 60s It is pure white It is bright, uniform
Embodiment 12 60s It is pure white It is bright, uniform
As can be seen from the above data, scale remover provided in an embodiment of the present invention adds the scale removal of aluminium alloy to imitate to die casting or machine It is really good, can be suitable with the treatment effect of three acid systems in the prior art, the aluminium alloy after being cleaned through scale remover can carry out heavy zinc, The subsequent handlings such as nickel plating, subsequent plating layer adhesion is good.
Above-mentioned scale remover is due to few without the acid with strong oxidizing property such as nitric acid or addition, and corrosivity is not notable, will not Corrosion is produced to aluminium alloy, the dimensional accuracy of aluminium alloy is not interfered with.The discharge of phosphorus is not produced simultaneously, wastewater treatment is simply held Easily.Also the discharge of the brown color smog such as nitrogen oxides will not be produced, improves production environment, exhaust-gas treatment is reduced.
Embodiments described above is a part of embodiment of the invention, rather than whole embodiments.The reality of the present invention The detailed description for applying example is not intended to limit the scope of claimed invention, but is merely representative of the selected implementation of the present invention Example.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made Every other embodiment, belongs to the scope of protection of the invention.

Claims (10)

1. a kind of scale remover, it is characterised in that including oxidant, stabilizer, catalyst, builder and solvent;The oxidant Selected from least one of hydrogen peroxide or sodium peroxydisulfate, the stabilizer is selected from phytic acid, butyl glycol ether or hydroxy ethylidene two At least one of phosphoric acid;The builder is selected from least one of ammonium fluoride, ammonium acid fluoride or hydrofluoric acid.
2. scale remover according to claim 1, it is characterised in that including:10wt%-70wt% oxidant, 0.1wt%-5wt% stabilizer, 0.001wt%-5wt% catalyst, 5wt%-60wt% builder and 10wt%- 50wt% solvent.
3. scale remover according to claim 2, it is characterised in that including:The 20wt%-60wt% oxidant, The 0.2wt%-2wt% stabilizer, the 0.001wt%-5wt% catalyst, 10wt%-30wt% described help are washed Agent and the 10wt%-50wt% solvent.
4. scale remover according to claim 2, it is characterised in that including:The 20wt%-60wt% oxidant, The 2wt%-5wt% stabilizer, the 0.01wt%-5wt% catalyst, the 10wt%-30wt% builder And the 10wt%-50wt% solvent.
5. scale remover according to claim 2, it is characterised in that in the scale remover, oxidant is 10wt%-60wt% Hydrogen peroxide or 20wt%-70wt% ammonium persulfate.
6. scale remover as claimed in claim 2, it is characterised in that in the scale remover, stabilizer is 0.2wt%-2wt%'s The 1-hydroxy ethylidene-1,1-diphosphonic acid of phytic acid or 0.1wt%-2wt% butyl glycol ether or 0.2wt%-5wt%.
7. scale remover according to claim 2, it is characterised in that in the scale remover, builder is 10wt%-60wt% Ammonium fluoride or 19wt%-60wt% ammonium acid fluoride or 5wt%-30wt% hydrofluoric acid.
8. scale remover according to claim 5, it is characterised in that in the scale remover, catalyst is 0.001wt%- The cuprous sulfate or 0.001wt%- of 5wt% ferrous sulfate or 0.01wt%-5wt% ferric sulfate or 0.02wt%-5wt% 5wt% copper sulphate.
9. the scale remover according to claim any one of 2-8, it is characterised in that the ammonium persulfate including 30wt%, 0.5wt% phytic acid, 35wt% ammonium acid fluoride, 1.5% ferrous sulfate, 33% water.
10. a kind of scale remover, it is characterised in that including oxidant, stabilizer, builder, catalyst and solvent, wherein, it is described The hydrogen peroxide of oxidant including 20wt% and 15wt% ammonium persulfate, the stabilizer include 0.5wt% phytic acid and 1wt% 1-hydroxy ethylidene-1,1-diphosphonic acid, the builder includes 20wt% ammonium fluoride and 20wt% ammonium acid fluoride, the catalysis Agent includes 0.5wt% ferrous sulfate and 1wt% ferric sulfate, and the solvent is 22wt% water.
CN201710487967.0A 2017-06-23 2017-06-23 Scale remover Pending CN107254682A (en)

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CN109385638A (en) * 2018-12-29 2019-02-26 天津市顺超有限公司 A kind of alulotion and its preparation and application
CN109402618A (en) * 2018-12-14 2019-03-01 惠州市四维化工有限公司 Environment-friendlyaluminium aluminium and aluminium alloy surface treatment method
JP6670424B1 (en) * 2019-04-26 2020-03-18 朝日化学工業株式会社 Smut removal composition
CN113774387A (en) * 2021-09-23 2021-12-10 东莞市四辉表面处理科技有限公司 Smokeless and odorless bleaching agent for die-casting aluminum and preparation method and application thereof
CN114622211A (en) * 2022-03-23 2022-06-14 金盟科技(深圳)有限公司 Preparation method of aluminum environment-friendly bleaching treatment agent compound based on whitening process

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CN105821414A (en) * 2015-12-04 2016-08-03 李廷全 Environment-friendly brightening white-washing solution and surface protecting agent for aluminum and aluminum alloy
CN106757094A (en) * 2016-12-07 2017-05-31 江西瑞思博化工有限公司 Aluminum mobile phone battery cover whitens agent and preparation method thereof

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CN104746091A (en) * 2015-04-28 2015-07-01 深圳市崇辉表面技术开发有限公司 Cast aluminum alloy white washing descaling solution
CN105821414A (en) * 2015-12-04 2016-08-03 李廷全 Environment-friendly brightening white-washing solution and surface protecting agent for aluminum and aluminum alloy
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109402618A (en) * 2018-12-14 2019-03-01 惠州市四维化工有限公司 Environment-friendlyaluminium aluminium and aluminium alloy surface treatment method
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CN113774387A (en) * 2021-09-23 2021-12-10 东莞市四辉表面处理科技有限公司 Smokeless and odorless bleaching agent for die-casting aluminum and preparation method and application thereof
CN114622211A (en) * 2022-03-23 2022-06-14 金盟科技(深圳)有限公司 Preparation method of aluminum environment-friendly bleaching treatment agent compound based on whitening process
CN114622211B (en) * 2022-03-23 2023-08-15 金盟科技(深圳)有限公司 Preparation method of aluminum environment-friendly bleaching treatment agent compound based on whitening process

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Application publication date: 20171017