CN107254682A - Descaling agent - Google Patents
Descaling agent Download PDFInfo
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- 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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- China
- Prior art keywords
- scale remover
- acid
- stabilizer
- builder
- oxidant
- Prior art date
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- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000003381 stabilizer Substances 0.000 claims abstract description 50
- 239000003054 catalyst Substances 0.000 claims abstract description 45
- 239000002904 solvent Substances 0.000 claims abstract description 43
- 230000001590 oxidative effect Effects 0.000 claims abstract description 40
- 239000007800 oxidant agent Substances 0.000 claims abstract description 38
- IMQLKJBTEOYOSI-GPIVLXJGSA-N Inositol-hexakisphosphate Chemical compound OP(O)(=O)O[C@H]1[C@H](OP(O)(O)=O)[C@@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@@H]1OP(O)(O)=O IMQLKJBTEOYOSI-GPIVLXJGSA-N 0.000 claims abstract description 24
- IMQLKJBTEOYOSI-UHFFFAOYSA-N Phytic acid Natural products OP(O)(=O)OC1C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C1OP(O)(O)=O IMQLKJBTEOYOSI-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000000467 phytic acid Substances 0.000 claims abstract description 24
- 229940068041 phytic acid Drugs 0.000 claims abstract description 24
- 235000002949 phytic acid Nutrition 0.000 claims abstract description 24
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims abstract description 23
- DDFHBQSCUXNBSA-UHFFFAOYSA-N 5-(5-carboxythiophen-2-yl)thiophene-2-carboxylic acid Chemical compound S1C(C(=O)O)=CC=C1C1=CC=C(C(O)=O)S1 DDFHBQSCUXNBSA-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 18
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 claims abstract description 11
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 claims abstract description 10
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 32
- -1 hydroxy ethylidene Chemical group 0.000 claims description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- KVBCYCWRDBDGBG-UHFFFAOYSA-N azane;dihydrofluoride Chemical compound [NH4+].F.[F-] KVBCYCWRDBDGBG-UHFFFAOYSA-N 0.000 claims description 19
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 claims description 19
- 229910000360 iron(III) sulfate Inorganic materials 0.000 claims description 19
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 16
- 239000011790 ferrous sulphate Substances 0.000 claims description 12
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 12
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 12
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 12
- DBVJJBKOTRCVKF-UHFFFAOYSA-N Etidronic acid Chemical compound OP(=O)(O)C(O)(C)P(O)(O)=O DBVJJBKOTRCVKF-UHFFFAOYSA-N 0.000 claims description 11
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 11
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 6
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 5
- WIVXEZIMDUGYRW-UHFFFAOYSA-L copper(i) sulfate Chemical compound [Cu+].[Cu+].[O-]S([O-])(=O)=O WIVXEZIMDUGYRW-UHFFFAOYSA-L 0.000 claims description 5
- 238000006555 catalytic reaction Methods 0.000 claims 1
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 abstract description 12
- 239000002253 acid Substances 0.000 abstract description 11
- 229910000838 Al alloy Inorganic materials 0.000 abstract description 10
- 229910017604 nitric acid Inorganic materials 0.000 abstract description 9
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 5
- 239000011574 phosphorus Substances 0.000 abstract description 5
- 238000009713 electroplating Methods 0.000 abstract description 4
- 238000004065 wastewater treatment Methods 0.000 abstract description 3
- 239000002912 waste gas Substances 0.000 abstract description 2
- LCPVQAHEFVXVKT-UHFFFAOYSA-N 2-(2,4-difluorophenoxy)pyridin-3-amine Chemical compound NC1=CC=CN=C1OC1=CC=C(F)C=C1F LCPVQAHEFVXVKT-UHFFFAOYSA-N 0.000 abstract 1
- MIMUSZHMZBJBPO-UHFFFAOYSA-N 6-methoxy-8-nitroquinoline Chemical compound N1=CC=CC2=CC(OC)=CC([N+]([O-])=O)=C21 MIMUSZHMZBJBPO-UHFFFAOYSA-N 0.000 abstract 1
- PTLXXCCTGURQMN-UHFFFAOYSA-N CC1OP(O)(=O)OP(=O)(OO)O1 Chemical compound CC1OP(O)(=O)OP(=O)(OO)O1 PTLXXCCTGURQMN-UHFFFAOYSA-N 0.000 abstract 1
- 239000000779 smoke Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 31
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 12
- 239000001301 oxygen Substances 0.000 description 12
- 229910052760 oxygen Inorganic materials 0.000 description 12
- 229960002050 hydrofluoric acid Drugs 0.000 description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 238000004512 die casting Methods 0.000 description 4
- 238000007747 plating Methods 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 125000001153 fluoro group Chemical group F* 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 2
- 239000002932 luster Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- LDDQLRUQCUTJBB-UHFFFAOYSA-N ammonium fluoride Chemical compound [NH4+].[F-] LDDQLRUQCUTJBB-UHFFFAOYSA-N 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910001512 metal fluoride Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
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)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Catalysts (AREA)
Abstract
The invention provides a descaling agent, which belongs to the technical field of electroplating and comprises an oxidant, a stabilizer, a catalyst, a builder and a solvent; wherein the oxidant is at least one of hydrogen peroxide or sodium persulfate, and the stabilizer is at least one of phytic acid, ethylene glycol monobutyl ether or hydroxy ethylidene diphosphate; the builder is selected from at least one of ammonium fluoride, ammonium bifluoride or hydrofluoric acid. The descaling agent does not add strong oxidizing acid such as nitric acid or has little addition amount, has insignificant corrosivity, does not corrode aluminum alloy, and does not influence the dimensional accuracy of the aluminum alloy. Meanwhile, the discharge of phosphorus is not generated, and the wastewater treatment is simple and easy. Does not generate the emission of brown yellow smoke such as nitrogen oxide and the like, improves the production environment and reduces the waste gas treatment.
Description
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.
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| 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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| 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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Application publication date: 20171017 |