CN109136896A - A kind of preparation method of chromium-free passivation liquid - Google Patents
A kind of preparation method of chromium-free passivation liquid Download PDFInfo
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- CN109136896A CN109136896A CN201710462443.6A CN201710462443A CN109136896A CN 109136896 A CN109136896 A CN 109136896A CN 201710462443 A CN201710462443 A CN 201710462443A CN 109136896 A CN109136896 A CN 109136896A
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- water
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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
-
- 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 Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
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Abstract
The present invention provides a kind of preparation methods of chromium-free passivation liquid, are specially successively uniformly mixed water, silane coupling agent, water-soluble silicate, promotor, cilicon oxide filler and water-soluble film-forming resin.The corrosion resistance for the protecting film that chromium-free passivation liquid provided by the invention is formed is very excellent.In addition, the resistant storage properties of chromium-free passivation liquid provided by the invention are very excellent, day can be stored at room temperature after the completion of preparation and changed and performance decline without apparent character.
Description
Technical field
The present invention relates to metal protection fields, more particularly to a kind of preparation method of chromium-free passivation liquid, by the preparation side
The purposes of chromium-free passivation liquid, the chromium-free passivation liquid that method obtains.
Background technique
Metal material includes hot-dip galvanized metal material and hot-dip aluminizing zinc metal material, and corrosion occurs in order to prevent all can be in gold
The surface for belonging to material applies a layer Cr-free passivation liquid to form protecting film.Thus the performance of chromium-free passivation liquid is for metal material
Anti-corrosion is particularly significant.
For example, CN101608306A discloses a kind of passivating solution, it is characterised in that: the passivating solution is to contain water-soluble key
The aqueous solution of object, boric acid, water soluble organic substance and silica solution is closed, wherein the water soluble organic substance is the mixed of pure and mild organic shuttle acid
Close object.But experiments have shown that the corrosion resistance for the protecting film that the chromium-free passivation liquid is formed is still poor.
Summary of the invention
The purpose of the present invention is the defects that the corrosion resistance for the protecting film for overcoming existing chromium-free passivation liquid to be formed is poor, provide
A kind of chromium-free passivation liquid being capable of forming the preferable protecting film of corrosion resistance.
To achieve the goals above, the present invention provides a kind of preparation method of chromium-free passivation liquid, this method include by water,
Silane coupling agent, water-soluble silicate, promotor, cilicon oxide filler and water-soluble film-forming resin are successively uniformly mixed；The silicon
Alkane coupling agent is CH2=C (CH3)COO(CH2)3Si(OCH3)3、CH2=C (CH3)COO(CH2)3Si(OC2H5)3、CH2=C (CH3)
COOSi(OCH3)2And CH2=C (CH3)COO(CH2)3Si(OC2H5)2At least one of, the promotor is sulphur arteries and veins and/or urine
Element.
The water-soluble silicate of the present invention relative to 1 parts by weight, the dosage of the promotor are 1~1.8 parts by weight,
The dosage of the silane coupling agent is 1~5 parts by weight, and the dosage of the cilicon oxide filler is 0.5~3 parts by weight, in terms of solid,
The dosage of the water-soluble film-forming resin is 1~7 parts by weight, and the dosage of water is 1~200 parts by weight, the institute relative to 1 parts by weight
Water-soluble silicate is stated, the dosage of the promotor is 0.1~1 parts by weight, and the dosage of the silane coupling agent is 1~2 weight
Part, the dosage of the cilicon oxide filler is 0.6~0.85 parts by weight, and in terms of solid, the dosage of the water-soluble film-forming resin is 2
~3 parts by weight, the dosage of water are 10~50 parts by weight.
The present invention also provides the chromium-free passivation liquids being prepared according to preparation method as described above.The present invention also provides
Above-mentioned chromium-free passivation liquid is preparing the purposes in metal material.
Through the above technical solutions, the corrosion resistance for the protecting film that chromium-free passivation liquid provided by the invention is formed is very excellent.
In addition, the resistant storage properties of chromium-free passivation liquid provided by the invention are very excellent, day can be stored at room temperature after the completion of preparation and
Apparent character does not occur to change and performance decline.
Specific embodiment
Next combining some specific implementation cases, the present invention is further elaborated, but claim of the invention is not only
It is limited only to following examples.
Example 1
1, by the silane coupling agent CH of the water of 30 parts by weight and 2 parts by weight2=C (CH3)COO(CH2)3Si(OCH3)3,
It is mixed under 1800 revs/min of mixing speed to uniform, obtains uniform liquid A.
By the water-soluble silicate metasilicate pentahydrate sodium of whole uniform liquid A and 1 parts by weight, at 1800 revs/min
It is mixed under mixing speed to uniform, obtains uniform liquid B.
By the promotor sulphur arteries and veins of whole uniform liquid B and 1 parts by weight mixed under 1800 revs/min of mixing speed to
Uniformly, uniform liquid C is obtained.
2.5 cilicon oxide fillers of whole uniform liquid C and parts by weight are mixed under 1800 revs/min of mixing speed
To uniform, uniform liquid D is obtained.
By stirring of the water-soluble film-forming resin at 1800 revs/min of whole uniform liquid D and 1 parts by weight in terms of solid
It is mixed under speed to uniform, obtains uniform liquid E.Uniform liquid E is the chromium-free passivation liquid of the present embodiment.
Example 2
By the silane coupling agent CH of the water of 25 parts by weight and 1.5 parts by weight2=C (CH3)COO(CH2)3Si(OCH3)3,
It is mixed under 1800 revs/min of mixing speed to uniform, obtains uniform liquid A.
Mixing speed by the water-soluble silicate potassium silicate of whole uniform liquid A and 1 parts by weight at 1800 revs/min
Under mix to uniformly obtaining uniform liquid B.
By the equal weight mixtures of the promotor sulphur arteries and veins of whole uniform liquid B and 0.5 parts by weight and urea 1800 turns/
It is mixed under the mixing speed of minute to uniform and obtains uniform liquid C.
By the 1.8 cilicon oxide filler nano silicon dioxide sols of whole uniform liquid C and parts by weight at 1800 revs/min
Mixing speed under mix to uniformly obtaining uniform liquid D.
By stirring of the water-soluble film-forming resin at 1800 revs/min of whole uniform liquid D and 1 parts by weight in terms of solid
It is mixed under speed to uniform and obtains uniform liquid E.Uniform liquid E is the chromium-free passivation liquid of the present embodiment.
Example 3
By the silane coupling agent CH of the water of 90 parts by weight and 5 parts by weight2=C (CH3)COO(CH2)3Si(OCH3)3, 1800
Rev/min mixing speed under mix to uniform, obtain uniform liquid A.
Mixing speed by the water-soluble silicate potassium silicate of whole uniform liquid A and 1 parts by weight at 1800 revs/min
Under mix to uniformly obtaining uniform liquid B.
By the equal weight mixtures of the promotor sulphur arteries and veins of whole uniform liquid B and 1.8 parts by weight and urea 1800 turns/
It is mixed under the mixing speed of minute to uniform and obtains uniform liquid C.
By the 2.5 cilicon oxide filler nano silicon dioxide sols of whole uniform liquid C and parts by weight at 1800 revs/min
Mixing speed under mix to uniformly obtaining uniform liquid D.
By stirring of the water-soluble film-forming resin at 1800 revs/min of whole uniform liquid D and 5 parts by weight in terms of solid
It is mixed under speed to uniform and obtains uniform liquid E.Uniform liquid E is the chromium-free passivation liquid of the present embodiment.
Example 4
Chromium-free passivation liquid is prepared according to the method for embodiment 1, unlike, silane coupling agent CH2=C (CH3)COO
(CH2)3Si(OC2H5)3。
Example 5
Chromium-free passivation liquid is prepared according to the method for embodiment 1, unlike, silane coupling agent CH2=C (CH3)COO
(CH2)3Si(OC2H5)2。
Example 6
Chromium-free passivation liquid is prepared according to the method for embodiment 1, unlike, silane coupling agent CH2=C (CH3)COO
(CH2)3Si(OC2H5)2。
The preferred embodiment of the present invention has been described above in detail, but during present invention is not limited to the embodiments described above
Detail, within the scope of the technical concept of the present invention can be with various simple variants of the technical solution of the present invention are made, these
Simple variant all belongs to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not contradiction
In the case where, it can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention is to various possibility
Combination no further explanation will be given.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (7)
1. a kind of preparation method of chromium-free passivation liquid, this method include by water, silane coupling agent, water-soluble silicate, promotor,
Cilicon oxide filler and water-soluble film-forming resin are successively uniformly mixed；The silane coupling agent is CH2=C (CH3)COO(CH2)3Si
(OCH3)3、CH2=C (CH3)COO(CH2)3Si(OC2H5)3、CH2=C (CH3)COOSi(OCH3)2And CH2=C (CH3)COO
(CH2)3Si(OC2H5)2At least one of, the promotor is sulphur arteries and veins and/or urea.
2. preparation method according to claim 1, wherein the water-soluble silicate relative to 1 parts by weight, the rush
Dosage into agent is 1~1.8 parts by weight, and the dosage of the silane coupling agent is 1~5 parts by weight, the use of the cilicon oxide filler
Amount is 0.5~3 parts by weight, and in terms of solid, the dosage of the water-soluble film-forming resin is 1~7 parts by weight, the dosage of water is 1~
100 parts by weight, relative to the water-soluble silicate of 1 parts by weight, the dosage of the promotor is 0.1~1 parts by weight, described
The dosage of silane coupling agent is 1~2 parts by weight, and the dosage of the cilicon oxide filler is 0.6~0.85 parts by weight, in terms of solid,
The dosage of the water-soluble film-forming resin is 2~3 parts by weight, and the dosage of water is 10~50 parts by weight.
3. preparation method according to claim 1 or 2, wherein the silane coupling agent is CH2=C (CH3)COO(CH2)3Si
(OCH3)3。
4. preparation method according to claim 1 or 2, wherein the cilicon oxide filler be nano-silica powder and/or
Nano silicon dioxide sol.
5. preparation method according to claim 1 or 2, wherein the water-soluble film-forming resin is that water-soluble poly extremely forms a film
Resin, water-soluble phenylpropyl alcohol film-forming resin, soluble epoxide film-forming resin, the cruel film-forming resin of water-soluble poly ammonia, water-soluble silicon third at
At least one of film resin, water-soluble acrylic film-forming resin and water-soluble fluorine carbon film-forming resin, wherein the water-soluble silicon
Third film-forming resin is preferably lotion.
6. preparation method according to claim 1 or 2, the wherein preparation method further include: mix water and silane coupling agent
Material after closing uniformly is uniformly mixed with lubricating auxiliary agent, the lubricating auxiliary agent for dimethicone water-based emulsion, polyether-modified
Polysiloxanes, the water-based emulsion of polyethylene wax and one of the water-based emulsion of oxidized polyethylene wax or a variety of, relative to weight
The water-soluble silicate of part is measured, the dosage of the lubricating auxiliary agent is 1~1.8 parts by weight.
7. the chromium-free passivation liquid that preparation method described in any one of claim 1~6 is prepared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710462443.6A CN109136896A (en) | 2017-06-19 | 2017-06-19 | A kind of preparation method of chromium-free passivation liquid |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710462443.6A CN109136896A (en) | 2017-06-19 | 2017-06-19 | A kind of preparation method of chromium-free passivation liquid |
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| CN109136896A true CN109136896A (en) | 2019-01-04 |
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| CN201710462443.6A Pending CN109136896A (en) | 2017-06-19 | 2017-06-19 | A kind of preparation method of chromium-free passivation liquid |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110396685A (en) * | 2019-08-28 | 2019-11-01 | 安徽未来表面技术有限公司 | A kind of efficient metal surface chromium-free passivator |
Citations (3)
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|---|---|---|---|---|
| CN104059497A (en) * | 2013-05-03 | 2014-09-24 | 攀钢集团攀枝花钢铁研究院有限公司 | Metal protective agent and preparation method and use thereof, and hot-dip plated metal material |
| CN104059484A (en) * | 2013-05-03 | 2014-09-24 | 攀钢集团攀枝花钢铁研究院有限公司 | Anti-rust waterborne paint and preparation method and use thereof, and hot-dip plated metal material |
| CN104059495A (en) * | 2013-05-03 | 2014-09-24 | 攀钢集团攀枝花钢铁研究院有限公司 | Chromium-free passivation solution and preparation method and use thereof, and metal material |
-
2017
- 2017-06-19 CN CN201710462443.6A patent/CN109136896A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104059497A (en) * | 2013-05-03 | 2014-09-24 | 攀钢集团攀枝花钢铁研究院有限公司 | Metal protective agent and preparation method and use thereof, and hot-dip plated metal material |
| CN104059484A (en) * | 2013-05-03 | 2014-09-24 | 攀钢集团攀枝花钢铁研究院有限公司 | Anti-rust waterborne paint and preparation method and use thereof, and hot-dip plated metal material |
| CN104059495A (en) * | 2013-05-03 | 2014-09-24 | 攀钢集团攀枝花钢铁研究院有限公司 | Chromium-free passivation solution and preparation method and use thereof, and metal material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110396685A (en) * | 2019-08-28 | 2019-11-01 | 安徽未来表面技术有限公司 | A kind of efficient metal surface chromium-free passivator |
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