CN108866528A - A kind of Aluminum passivator and the passivating method using the Aluminum passivator - Google Patents
A kind of Aluminum passivator and the passivating method using the Aluminum passivator Download PDFInfo
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- CN108866528A CN108866528A CN201810803855.6A CN201810803855A CN108866528A CN 108866528 A CN108866528 A CN 108866528A CN 201810803855 A CN201810803855 A CN 201810803855A CN 108866528 A CN108866528 A CN 108866528A
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- parts
- passivator
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- aluminum
- acid
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- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/40—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing molybdates, tungstates or vanadates
- C23C22/44—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing molybdates, tungstates or vanadates containing also fluorides or complex fluorides
-
- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2222/00—Aspects relating to chemical surface treatment of metallic material by reaction of the surface with a reactive medium
- C23C2222/20—Use of solutions containing silanes
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- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (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)
- Application Of Or Painting With Fluid Materials (AREA)
- Paints Or Removers (AREA)
Abstract
The present invention discloses a kind of Aluminum passivator, passivating agent composition includes 10-20 parts of fluotitanate, 3-5 parts of phytic acid, 2-3 parts of boric acid, 3-5 parts of tartaric acid, 3-5 parts of ammonium molybdate in parts by weight, 10-15 parts of silane coupling agent, surplus is deionized water, it is nontoxic using Aluminum passivator made of the above-mentioned formula of the present invention, it is environmentally protective, there is high salt spray resistance to the passivation film of aluminium, the excellent bonding performance with paint, powder.
Description
Technical field
The present invention relates to Aluminum passivator field, specially a kind of Aluminum passivator and the passivation using the Aluminum passivator
Method.
Background technique
In non-ferrous metal, be using aluminum profile it is relatively wide, the mode for handling this material surface is anodic oxidation
And powder spray, electrophoretic painting.But be usually to take Cr VI passivation technology before implementing coating, it may when worker operation
Cr VI can be touched, while generating hexavalent chromium wastewater, is threatened not only for people's health, and can welding.
There are many aluminium passivation product at present on the market, but high salt spray resistance product is few, most of product and paint and powder
The binding performance at end is poor, and contains carcinogenic Cr VI.Meanwhile Aluminum passivator on the market is to the passivating method process of aluminium
Complexity, and can not carry out at normal temperature.
Summary of the invention
A kind of Aluminum passivator and its passivating method are provided it is an object of the invention to avoid in the prior art insufficient,
Aluminum passivator made of the present invention is nontoxic, have high salt spray resistance to the passivation film of aluminium, with paint, powder
Excellent bonding performance, it is simple to the passivating method process of aluminium, it can carry out at normal temperature.
To achieve the above object, the present invention provides the following technical solutions：A kind of Aluminum passivator, the component of passivator is by weight
Measuring number and calculating includes fluotitanate 10-20 parts, 3-5 parts of phytic acid, 2-3 parts of boric acid, 3-5 parts of tartaric acid, 3-5 parts of ammonium molybdate, silicon
10-15 parts of alkane coupling agent, surplus is deionized water.
Preferably, the component of passivator include in parts by weight 15 parts of fluotitanate, 4 parts of phytic acid, 2.5 parts of boric acid,
4 parts of tartaric acid, 4 parts of ammonium molybdate and 12 parts of silane coupling agent, surplus is deionized water.
Preferably, the component of passivator includes 10 parts of fluotitanate, 3 parts of phytic acid, 2 parts of boric acid, wine in parts by weight
3 parts of stone acid, 3 parts of ammonium molybdate and 10 parts of silane coupling agent, surplus is deionized water.
Preferably, the component of passivator includes 20 parts of fluotitanate, 5 parts of phytic acid, 3 parts of boric acid, wine in parts by weight
5 parts of stone acid, 5 parts of ammonium molybdate and 15 parts of silane coupling agent, surplus is deionized water.
Wherein, fluotitanate is at least one of ammonium titanium fluoride, potassium fluotitanate and titanium sodium fluoride.
Wherein, silane coupling agent is at least one of amino silane and epoxy radicals silicone hydride.
In addition, the present invention also provides a kind of passivating method using above-mentioned Aluminum passivator, passivating method includes following
Step：
A, Aluminum passivator is added in deactivation slot；
B, be immersed in after cleaning up aluminium to be treated in this passivator, when it is 3-5 minutes a length of；
C, aluminium is taken out from passivator, washes with water completely, obtains high performance passivating film.
Further, the aluminium cleaning includes step：Each component in parts by weight, by 5-15 parts of soda ash, anhydrous
5-15 parts of sodium metasilicate, 10-20 parts of sodium gluconate, 3-8 parts of fatty alcohol polyoxyethylene ether and 1-5 parts of alkyl glycosides are mixed into
Cleaning solution, the aluminium that needs are cleaned are immersed in cleaning solution, when it is 10-15 minutes a length of, until the greasy dirt cleaning of product surface is dry
Only.
Preferably, the aluminium cleaning includes step：Each component in parts by weight, by 10 parts of soda ash, silicic acid anhydride
10 parts of sodium, 15 parts of sodium gluconate, 5 parts of fatty alcohol polyoxyethylene ether and 3 parts of alkyl glycosides are mixed into cleaning solution, needs
The aluminium of cleaning is immersed in cleaning solution, when it is 12 minutes a length of, until the greasy dirt of product surface cleans up.
Preferably, the aluminium be immersed in after cleaning up in passivator when it is 4 minutes a length of.
Compared with prior art, beneficial effects of the present invention：A kind of Aluminum passivator of the invention, the component of passivator are pressed
Parts by weight are calculated including fluotitanate 10-20 parts, 3-5 parts of phytic acid, 2-3 parts of boric acid, 3-5 parts of tartaric acid, 3-5 parts of ammonium molybdate,
10-15 parts of silane coupling agent, surplus is deionized water, and for the present invention by new component formula, Aluminum passivator obtained is nontoxic
It is harmless, it is environmentally protective, there is high salt spray resistance to the passivation film of aluminium, the excellent bonding performance with paint, powder.The aluminium
Passivator passivating method is easy to operate, can be to operate under room temperature.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
A kind of Aluminum passivator of the invention, wherein in parts by weight, each component includes：Fluotitanate 10-20
Part, 3-5 parts of phytic acid, 2-3 parts of boric acid, 3-5 parts of tartaric acid, 3-5 parts of ammonium molybdate, 10-15 parts of silane coupling agent, surplus is deionization
Water.The Aluminum passivator as made from being formulated above is nontoxic, has high salt spray resistance to the passivation film of aluminium, with oil
The excellent bonding performance of paint, powder.
Wherein, fluotitanate is at least one of ammonium titanium fluoride, potassium fluotitanate and titanium sodium fluoride.
Wherein, silane coupling agent is at least one of amino silane and epoxy radicals silicone hydride.
In addition, the present invention also provides a kind of passivating method using above-mentioned Aluminum passivator, passivating method includes following
Step：
A, Aluminum passivator is added in deactivation slot；
B, it is immersed in after cleaning up aluminium to be treated in this passivator, when passivation is 3-5 minutes a length of；
C, aluminium is taken out from passivator, washes with water completely, obtains high performance passivating film.
Further, the aluminium cleaning includes step：Each component in parts by weight, by 5-15 parts of soda ash, anhydrous
5-15 parts of sodium metasilicate, 10-20 parts of sodium gluconate, 3-8 parts of fatty alcohol polyoxyethylene ether and 1-5 parts of alkyl glycosides are mixed into
Cleaning solution, the aluminium that needs are cleaned are immersed in cleaning solution, when it is 10-15 minutes a length of, until the greasy dirt cleaning of product surface is dry
Only.
The above passivating method is easy to operate, can be to operate under room temperature.
Below by embodiment, the present invention is described in detail.
Embodiment one：
In parts by weight, using following components:8 parts of ammonium titanium fluoride, 7 parts of titanium sodium fluoride, 4 parts of phytic acid, 2.5 parts of boric acid,
4 parts of tartaric acid, 4 parts of ammonium molybdate and 12 parts of amino silane, surplus are that deionized water is sequentially added stirring after said components weigh
It is stirred in kettle until being completely dissolved to get to Aluminum passivator, is then passivated according to below step, passivating method packet
Include following steps：
A, Aluminum passivator made of above-mentioned formula is added in deactivation slot；
B, be immersed in after cleaning up aluminium to be treated in this passivator, when it is 4 minutes a length of；
C, aluminium is taken out from passivator, washes with water completely, obtains high performance passivating film.
Specific aluminium cleaning includes step：Each component in parts by weight, by 10 parts of soda ash, anhydrous sodium metasilicate 10
Part, 15 parts of sodium gluconate, 5 parts of fatty alcohol polyoxyethylene ether and 3 parts of alkyl glycosides are mixed into cleaning solution, needing to clean
Aluminium be immersed in cleaning solution, when it is 12 minutes a length of, until the greasy dirt of product surface cleans up.
No. 1060 aluminiums crossed by the present embodiment Aluminum passivator Passivation Treatment, the neutral salt spray testing time is up to 800
Hour or more, without No. 1060 aluminiums of any Passivation Treatment, the neutral salt spray testing time only has 15 hours, illustrates this implementation
No. 1,060 54 times of aluminium neutral salt spray testing times can be improved in example Aluminum passivator.
Embodiment two：
In parts by weight, using following components:6 parts of ammonium titanium fluoride, 4 parts of potassium fluotitanate, 3 parts of phytic acid, 2 parts of boric acid, wine
3 parts of stone acid, 3 parts of ammonium molybdate and 10 parts of epoxy radicals silicone hydride, surplus are that deionized water is sequentially added stirring after said components weigh
It is stirred in kettle until being completely dissolved to get to Aluminum passivator, is then passivated according to below step, passivating method packet
Include following steps：
A, Aluminum passivator made of above-mentioned formula is added in deactivation slot；
B, be immersed in after cleaning up aluminium to be treated in this passivator, when it is 5 minutes a length of；
C, aluminium is taken out from passivator, washes with water completely, obtains high performance passivating film.
Specific aluminium cleaning includes step：Each component in parts by weight, by 5 parts of soda ash, 5 parts of anhydrous sodium metasilicate, Portugal
10 parts of grape sodium saccharate, 3 parts of fatty alcohol polyoxyethylene ether and 1 part of alkyl glycosides are mixed into cleaning solution, the aluminium that needs are cleaned
Material is immersed in cleaning solution, when it is 10 minutes a length of, until the greasy dirt of product surface cleans up.
No. 5052 aluminiums crossed by the present embodiment Aluminum passivator Passivation Treatment, the neutral salt spray testing time is up to 500
Hour or more, without No. 5052 aluminiums of any Passivation Treatment, the neutral salt spray testing time only has 10 hours, illustrates this implementation
No. 5,052 50 times of aluminium neutral salt spray testing times can be improved in example Aluminum passivator.
Embodiment three：
In parts by weight, using following components:10 parts of potassium fluotitanate, 10 parts of titanium sodium fluoride, 5 parts of phytic acid, 3 parts of boric acid,
5 parts of tartaric acid, 5 parts of ammonium molybdate, 8 parts of amino silane and 7 parts of epoxy radicals silicone hydride, surplus is deionized water, after said components weigh,
It is sequentially added in stirred tank and is stirred until being completely dissolved to get to Aluminum passivator, then carried out according to below step blunt
Change, passivating method includes the following steps：
A, Aluminum passivator made of above-mentioned formula is added in deactivation slot；
B, be immersed in after cleaning up aluminium to be treated in this passivator, when it is 3 minutes a length of；
C, aluminium is taken out from passivator, washes with water completely, obtains high performance passivating film.
Specific aluminium cleaning includes step：Each component in parts by weight, by 15 parts of soda ash, 15 parts of anhydrous sodium metasilicate,
20 parts of sodium gluconate, 8 parts of fatty alcohol polyoxyethylene ether and 5 parts of alkyl glycosides are mixed into cleaning solution, and needs are cleaned
Aluminium is immersed in cleaning solution, when it is 15 minutes a length of, until the greasy dirt of product surface cleans up.
No. 6061 aluminiums crossed by the present embodiment Aluminum passivator Passivation Treatment, the neutral salt spray testing time is up to 400
Hour or more, without No. 6061 aluminiums of any Passivation Treatment, the neutral salt spray testing time only has 8 hours, illustrates this implementation
No. 6,061 50 times of aluminium neutral salt spray testing times can be improved in example Aluminum passivator.
A kind of Aluminum passivator of the present embodiment and the passivating method using the Aluminum passivator, made of being newly formulated
Aluminum passivator is nontoxic, environmentally protective, has high salt spray resistance to the passivation film of aluminium, the knot with paint, powder
Conjunction performance is good, and the passivator is simple to the passivating method of aluminium, can be to operate under room temperature.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations all should belong to the guarantor of appended claims of the present invention
Protect range.
Claims (10)
1. a kind of Aluminum passivator, it is characterised in that：The component of the passivator includes fluotitanate 10-20 in parts by weight
Part, 3-5 parts of phytic acid, 2-3 parts of boric acid, 3-5 parts of tartaric acid, 3-5 parts of ammonium molybdate and 10-15 parts of silane coupling agent, surplus be go from
Sub- water.
2. Aluminum passivator according to claim 1, it is characterised in that：The component of the passivator is in parts by weight
Including 15 parts of fluotitanate, 4 parts of phytic acid, 2.5 parts of boric acid, 4 parts of tartaric acid, 4 parts of ammonium molybdate and 12 parts of silane coupling agent, surplus is
Deionized water.
3. Aluminum passivator according to claim 1, it is characterised in that：The component of the passivator is in parts by weight
Including 10 parts of fluotitanate, 3 parts of phytic acid, 2 parts of boric acid, 3 parts of tartaric acid, 3 parts of ammonium molybdate and 10 parts of silane coupling agent, surplus is to go
Ionized water.
4. Aluminum passivator according to claim 1, it is characterised in that：The component of the passivator is in parts by weight
Including 20 parts of fluotitanate, 5 parts of phytic acid, 3 parts of boric acid, 5 parts of tartaric acid, 5 parts of ammonium molybdate and 15 parts of silane coupling agent, surplus is to go
Ionized water.
5. Aluminum passivator according to any one of claims 1 to 4, it is characterised in that：The fluotitanate is fluotitanic acid
At least one of ammonium, potassium fluotitanate and titanium sodium fluoride.
6. Aluminum passivator according to any one of claims 1 to 4, it is characterised in that：The silane coupling agent is amino
At least one of silane and epoxy radicals silicone hydride.
7. a kind of passivating method using Aluminum passivator described in claim 1, it is characterised in that：Its passivating method include with
Lower step：
A, Aluminum passivator is added in deactivation slot；
B, it is immersed in after cleaning up aluminium to be treated in this passivator, when immersion is 3-5 minutes a length of；
C, aluminium is taken out from passivator, washes with water completely, obtains high performance passivating film.
8. passivating method according to claim 7, it is characterised in that：The aluminium cleaning includes step：Each component is by weight
It measures number to calculate, by 5-15 parts of soda ash, 5-15 parts of anhydrous sodium metasilicate, 10-20 parts of sodium gluconate, fatty alcohol polyoxyethylene ether 3-
8 parts and alkyl glycosides 1-5 parts are mixed into cleaning solution, and the aluminium that needs are cleaned is immersed in cleaning solution, when a length of 10-15
Minute, until the greasy dirt of product surface cleans up.
9. passivating method according to claim 8, it is characterised in that：The aluminium cleaning includes step：Each component is by weight
It measures number to calculate, by 10 parts of soda ash, 10 parts of anhydrous sodium metasilicate, 15 parts of sodium gluconate, 5 parts of fatty alcohol polyoxyethylene ether and alkyl
3 parts of glucosides are mixed into cleaning solution, and the aluminium that needs are cleaned is immersed in cleaning solution, when it is 12 minutes a length of, until product table
The greasy dirt in face cleans up.
10. passivating method according to claim 7, it is characterised in that：A length of 4 minutes when the immersion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810803855.6A CN108866528A (en) | 2018-07-20 | 2018-07-20 | A kind of Aluminum passivator and the passivating method using the Aluminum passivator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810803855.6A CN108866528A (en) | 2018-07-20 | 2018-07-20 | A kind of Aluminum passivator and the passivating method using the Aluminum passivator |
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| Publication Number | Publication Date |
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| CN108866528A true CN108866528A (en) | 2018-11-23 |
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|---|---|---|---|
| CN201810803855.6A Pending CN108866528A (en) | 2018-07-20 | 2018-07-20 | A kind of Aluminum passivator and the passivating method using the Aluminum passivator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359055A (en) * | 2019-06-11 | 2019-10-22 | 浙江奇力电气科技有限公司 | A kind of indoor anti-corrosive properties smallpox aluminum-pinch manufacture craft |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5468412A (en) * | 1993-08-16 | 1995-11-21 | Betz Laboratories, Inc. | Low foaming aqueous cleaning and passivating treatment for metals |
| CN104561970A (en) * | 2014-12-31 | 2015-04-29 | 苏州禾川化学技术服务有限公司 | Corrosion-resistant magnesium aluminum alloy chromium-free passivation solution |
| CN106702382A (en) * | 2015-11-12 | 2017-05-24 | 中国科学院金属研究所 | Method for titanium-zirconium conversion film/silane film double-layer protection for aluminium alloy surface |
-
2018
- 2018-07-20 CN CN201810803855.6A patent/CN108866528A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5468412A (en) * | 1993-08-16 | 1995-11-21 | Betz Laboratories, Inc. | Low foaming aqueous cleaning and passivating treatment for metals |
| CN104561970A (en) * | 2014-12-31 | 2015-04-29 | 苏州禾川化学技术服务有限公司 | Corrosion-resistant magnesium aluminum alloy chromium-free passivation solution |
| CN106702382A (en) * | 2015-11-12 | 2017-05-24 | 中国科学院金属研究所 | Method for titanium-zirconium conversion film/silane film double-layer protection for aluminium alloy surface |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110359055A (en) * | 2019-06-11 | 2019-10-22 | 浙江奇力电气科技有限公司 | A kind of indoor anti-corrosive properties smallpox aluminum-pinch manufacture craft |
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Application publication date: 20181123 |