CN109943834A - It is a kind of for enhancing zirconium, the additive of titanium compound inactivating performance and its application - Google Patents
It is a kind of for enhancing zirconium, the additive of titanium compound inactivating performance and its application Download PDFInfo
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- CN109943834A CN109943834A CN201910245739.1A CN201910245739A CN109943834A CN 109943834 A CN109943834 A CN 109943834A CN 201910245739 A CN201910245739 A CN 201910245739A CN 109943834 A CN109943834 A CN 109943834A
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- zirconium
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- inactivating performance
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Abstract
The present invention provides a kind of for enhancing the additive of zirconium, titanium compound inactivating performance, by mass percentage, it is described for enhance zirconium, the additive of titanium compound inactivating performance include: 1~5% surfactant；0.5~10% alcohol compound；The compound of 0~5% molybdenum；0~2% silicon-containing compound；The water of surplus.This is used to enhance zirconium, the additive of titanium compound inactivating performance can be improved the passivation effect of zirconium titanium system passivator, improves aluminum component salt spray corrosion resistance, improves the service life of spraying aluminum component, meanwhile, improve the adhesive force of coating and substrate after spraying.The present invention also provides above-mentioned for enhancing the application of the additive of zirconium, titanium compound inactivating performance.
Description
Technical field
The present invention relates to passivation of metal surfaces technical fields, more particularly to one kind for enhancing zirconium, titanium compound passivation
The additive of performance and its application.
Background technique
Passivation is that metal surface is made to be converted into the state for being not easy to be oxidized, to delay the method for corrosion of metal speed.
Aluminum passivation is the biggish application scenarios of accounting in all passivation of metal surfaces industries, is widely used in each in national economy
A field, wherein Spray-painted aluminum profile is even more to be widely used in mobile communication, and aerospace, auto-parts, Electrical and Electronic are set
The backing material of the every field such as standby, plumbing, marine industries, building industry, other precision instruments.
Since aluminium itself chemical property is more active, with the extension of use time, due to the corrosion by surrounding medium
Appearance is gradually caused to generate variation, reduced service life.Carrying out chemical passivation processing to aluminum profile or workpiece is to improve corrosion resistance
It can or carry out the most popular method that paint adhesion is improved when spray treatment.
The zirconium titanium system passivator mostly ingredient of existing market is simple, relies solely on zirconium compounds, titanium compound as main salt,
Use that required concentration is higher, and dosage is larger.When being passivated zirconium, titanium compound dosage deficiency in working solution, it may appear that passivation
Preferably still the poor problem of corrosion resistance, neutral salt spray test are usually no more than 48 hours spraying adhesive force afterwards；Or go out
Corrosion resistance is preferable after being now passivated, but sprays the poor problem of adhesive force, that is, relies solely on zirconium compounds, titanium compound is made
Will lead to two indexs of salt spray corrosion resistance and adhesive force for main salt can not take into account.
Summary of the invention
In view of the above situation, the present invention provides a kind of for enhancing the additive of zirconium, titanium compound inactivating performance, to improve
The passivation effect of zirconium titanium system passivator improves aluminum component salt spray corrosion resistance, improves the service life of spraying aluminum component, meanwhile, it mentions
The adhesive force of coating and substrate after height spraying.
It is a kind of for enhancing the additive of zirconium, titanium compound inactivating performance, by mass percentage, including following components:
Wherein, the surfactant includes polyvinylpyrrolidone, fatty alcohol polyoxyethylene ether, cetyl sulphophenyl
Oxygroup benzene sulfonic acid disodium, disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate, cetyl benzenesulfonic acid sodium, lauryl sodium sulfate, dodecane
One of base benzene sulfonic acid sodium salt is a variety of.
Wherein, the compound of the molybdenum is as main salt and promotor.
Wherein, the compound of the molybdenum include ammonium phosphomolybdate, sodium molybdate, it is one or more in ammonium molybdate.
Wherein, for the alcohol compound as bleeding agent and solvent, the alcohol compound includes ethylene glycol, poly- second two
One of alcohol, glycerol, isopropanol, pentaerythrite, xylitol, sorbierite, polyether polyol are a variety of.
Wherein, the silicon-containing compound is as film forming agent.
Wherein, the silicon-containing compound include dimethyl silicone polymer, sodium metasilicate, γ aminopropyltriethoxy silane,
γ-glycidyl ether oxygen propyl trimethoxy silicane, γ-(methacryloxypropyl) propyl trimethoxy silicane, three second of vinyl
One of oxysilane, vinyltrimethoxysilane, vinyl three (beta-methoxy ethyoxyl) silane are a variety of.
Wherein, by mass percentage, further include following components:
Ammonium metavanadate 0~0.5%；
Phosphoric acid 0~3%；
Saccharin sodium 0~2%.
Wherein, the phosphoric acid is as free acid, and the ammonium metavanadate is as catalyst film forming agent, and the saccharin sodium is as light
Bright dose.
What is provided according to the present invention is used to enhance the additive of zirconium, titanium compound inactivating performance, can not increase zirconium titanium
Under the premise of compound usage amount, workpiece corrosion resistance after enhancing passivation, while improving coating and substrate after passivation
Adhesive force, actual test show can to make using additive of the invention the spraying adhesive force of traditional zirconium titanium system passivator from
It can reach 1 grade, be promoted to 0 grade can be reached, and the workpiece not sprayed after passivation, neutral salt spray test can reach
100h or more, the product service life after effectively improving passivation.And the additive is entirely free of chromium, product environmental protection, safe nothing
Poison, operation, wastewater treatment are simple, low using unit cost.
The present invention also provides above-mentioned for enhancing the application of the additive of zirconium, titanium compound inactivating performance, described to be used for
Enhancing zirconium, the additive of titanium compound inactivating performance and zirconium titanium system passivator are used cooperatively, and use technological parameter are as follows:
(1) temperature of work tank liquor is 10~35 DEG C；
(2) workpiece soaking time is 5~15min；
(3) solution ph is 3.0~5.5；
(4) work tank liquor in containing 5%~10% passivator.
Specific embodiment
To facilitate the understanding of the present invention, below with reference to each embodiment to invention is more fully described, still, this
Invention can be realized in many different forms, however it is not limited to embodiment described herein.On the contrary, providing these implementations
Example purpose be make it is more thorough and comprehensive to the disclosure.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Embodiments of the present invention propose it is a kind of for enhancing the additive of zirconium, titanium compound inactivating performance, by quality hundred
Divide than meter, including following components:
Wherein, the surfactant includes polyvinylpyrrolidone, fatty alcohol polyoxyethylene ether, cetyl sulphophenyl
Oxygroup benzene sulfonic acid disodium, disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate, cetyl benzenesulfonic acid sodium, lauryl sodium sulfate, dodecane
One of base benzene sulfonic acid sodium salt is a variety of.
Wherein, the compound of the molybdenum is as main salt and promotor.
Wherein, the compound of the molybdenum include ammonium phosphomolybdate, sodium molybdate, it is one or more in ammonium molybdate.
Wherein, for the alcohol compound as bleeding agent and solvent, the alcohol compound includes ethylene glycol, poly- second two
One of alcohol, glycerol, isopropanol, pentaerythrite, xylitol, sorbierite, polyether polyol are a variety of.
Wherein, the silicon-containing compound is as film forming agent.
Wherein, the silicon-containing compound include dimethyl silicone polymer, sodium metasilicate, γ aminopropyltriethoxy silane,
γ-glycidyl ether oxygen propyl trimethoxy silicane, γ-(methacryloxypropyl) propyl trimethoxy silicane, three second of vinyl
One of oxysilane, vinyltrimethoxysilane, vinyl three (beta-methoxy ethyoxyl) silane are a variety of.
Wherein, by mass percentage, further include following components:
Ammonium metavanadate 0~0.5%；
Phosphoric acid 0~3%；
Saccharin sodium 0~2%.
Wherein, the phosphoric acid is as free acid, and the ammonium metavanadate is as catalyst film forming agent, and the saccharin sodium is as light
Bright dose.
It is above-mentioned to be used cooperatively for enhancing zirconium, the additive of titanium compound inactivating performance and zirconium titanium system passivator, use work
Skill parameter are as follows:
(1) temperature of work tank liquor is 10~35 DEG C；
(2) workpiece soaking time is 5~15min；
(3) solution ph is 3.0~5.5；
(4) work tank liquor in containing 5%~10% passivator.
Divide multiple embodiments that the embodiment of the present invention is further detailed below.The embodiment of the present invention be not limited to
Under specific embodiment.Within the scope of the unchanged main rights, implementation can appropriate be changed.
Embodiment 1:
It is a kind of for enhancing the additive of zirconium, titanium compound inactivating performance, by mass percentage, including following components:
This is used to enhance the additive of zirconium, titanium compound inactivating performance in use, be used cooperatively with zirconium titanium system passivator,
Use technological parameter are as follows:
(1) temperature of work tank liquor is 28 DEG C；
(2) workpiece soaking time is 5~15min；
(3) solution ph is 3.5；
(4) work tank liquor in containing 5% passivator.
After aluminum workpiece carries out pre-treatment, aluminum workpiece is impregnated in above-mentioned confining liquid 5~15 minutes, takes out aluminium
After article workpiece cleaning, drying is taken out, carries out neutral salt spray test and spraying adhesive force test respectively.
Embodiment 2:
It is a kind of for enhancing the additive of zirconium, titanium compound inactivating performance, by mass percentage, including following components:
This is used to enhance the additive of zirconium, titanium compound inactivating performance in use, be used cooperatively with zirconium titanium system passivator,
Use technological parameter are as follows:
(1) temperature of work tank liquor is 25 DEG C；
(2) workpiece soaking time is 5~15min；
(3) solution ph is 4.5；
(4) work tank liquor in containing 8% passivator.
After aluminum workpiece carries out pre-treatment, aluminum workpiece is impregnated in above-mentioned confining liquid 5~15 minutes, takes out aluminium
After article workpiece cleaning, drying is taken out, carries out neutral salt spray test and spraying adhesive force test respectively.
Embodiment 3:
It is a kind of for enhancing the additive of zirconium, titanium compound inactivating performance, by mass percentage, including following components:
This is used to enhance the additive of zirconium, titanium compound inactivating performance in use, be used cooperatively with zirconium titanium system passivator,
Use technological parameter are as follows:
(1) temperature of work tank liquor is 20 DEG C；
(2) workpiece soaking time is 5~15min；
(3) solution ph is 4；
(4) work tank liquor in containing 5% passivator.
After aluminum workpiece carries out pre-treatment, aluminum workpiece is impregnated in above-mentioned confining liquid 5~15 minutes, takes out aluminium
After article workpiece cleaning, drying is taken out, carries out neutral salt spray test and spraying adhesive force test respectively.
Embodiment 4:
It is a kind of for enhancing the additive of zirconium, titanium compound inactivating performance, by mass percentage, including following components:
This is used to enhance the additive of zirconium, titanium compound inactivating performance in use, be used cooperatively with zirconium titanium system passivator,
Use technological parameter are as follows:
(1) temperature of work tank liquor is 35 DEG C；
(2) workpiece soaking time is 5~15min；
(3) solution ph is 5.5；
(4) work tank liquor in containing 5% passivator.
After aluminum workpiece carries out pre-treatment, aluminum workpiece is impregnated in above-mentioned confining liquid 5~15 minutes, takes out aluminium
After article workpiece cleaning, drying is taken out, carries out neutral salt spray test and spraying adhesive force test respectively.
Embodiment 5:
It is a kind of for enhancing the additive of zirconium, titanium compound inactivating performance, by mass percentage, including following components:
This is used to enhance the additive of zirconium, titanium compound inactivating performance in use, be used cooperatively with zirconium titanium system passivator,
Use technological parameter are as follows:
(1) temperature of work tank liquor is 10 DEG C；
(2) workpiece soaking time is 5~15min；
(3) solution ph is 4.5；
(4) work tank liquor in containing 6% passivator.
After aluminum workpiece carries out pre-treatment, aluminum workpiece is impregnated in above-mentioned confining liquid 5~15 minutes, takes out aluminium
After article workpiece cleaning, drying is taken out, carries out neutral salt spray test and spraying adhesive force test respectively.
Embodiment 6:
It is a kind of for enhancing the additive of zirconium, titanium compound inactivating performance, by mass percentage, including following components:
This is used to enhance the additive of zirconium, titanium compound inactivating performance in use, be used cooperatively with zirconium titanium system passivator,
Use technological parameter are as follows:
(1) temperature of work tank liquor is 35 DEG C；
(2) workpiece soaking time is 5~15min；
(3) solution ph is 3；
(4) work tank liquor in containing 6% passivator.
After aluminum workpiece carries out pre-treatment, aluminum workpiece is impregnated in above-mentioned confining liquid 5~15 minutes, takes out aluminium
After article workpiece cleaning, drying is taken out, carries out neutral salt spray test and spraying adhesive force test respectively.
Embodiment 7:
It is a kind of for enhancing the additive of zirconium, titanium compound inactivating performance, by mass percentage, including following components:
This is used to enhance the additive of zirconium, titanium compound inactivating performance in use, be used cooperatively with zirconium titanium system passivator,
Use technological parameter are as follows:
(1) temperature of work tank liquor is 35 DEG C；
(2) workpiece soaking time is 5~15min；
(3) solution ph is 4.5；
(4) work tank liquor in containing 5% passivator.
After aluminum workpiece carries out pre-treatment, aluminum workpiece is impregnated in above-mentioned confining liquid 5~15 minutes, takes out aluminium
After article workpiece cleaning, drying is taken out, carries out neutral salt spray test and spraying adhesive force test respectively.
Embodiment 8:
It is a kind of for enhancing the additive of zirconium, titanium compound inactivating performance, by mass percentage, including following components:
This is used to enhance the additive of zirconium, titanium compound inactivating performance in use, be used cooperatively with zirconium titanium system passivator,
Use technological parameter are as follows:
(1) temperature of work tank liquor is 35 DEG C；
(2) workpiece soaking time is 5~15min；
(3) solution ph is 4.5；
(4) work tank liquor in containing 10% passivator.
After aluminum workpiece carries out pre-treatment, aluminum workpiece is impregnated in above-mentioned confining liquid 5~15 minutes, takes out aluminium
After article workpiece cleaning, drying is taken out, carries out neutral salt spray test and spraying adhesive force test respectively.
Reference examples 1:
Only use zirconium titanium system passivator (being added without any additive), and for comparative illustration, Examples 1 to 8 and right
The type and dosage of zirconium titanium system passivator used in 1 are all the same as usual, specifically, in zirconium titanium system passivator, including zirconium
Close object 3%, titanium sub-group compound 2%.
Work tank liquor in containing 10% passivator, pH:4.5, temperature are as follows: 35 DEG C.
After aluminum workpiece carries out pre-treatment, aluminum workpiece is impregnated in above-mentioned confining liquid 5~15 minutes, takes out aluminium
After article workpiece cleaning, drying is taken out, carries out neutral salt spray test and spraying adhesive force test respectively.
Reference examples 2:
Zirconium titanium system passivator (being added without any additive) is only used, and for comparative illustration, reference examples 1 and reference examples 2
Used in zirconium titanium system passivator type it is identical, dosage is different, specifically, the zirconium titanium system passivator in reference examples 2, including zirconium
Based compound 6%, titanium sub-group compound 4%.
Work tank liquor in containing 10% passivator, pH:4.5, temperature are as follows: 35 DEG C.
After aluminum workpiece carries out pre-treatment, aluminum workpiece is impregnated in above-mentioned confining liquid 5~15 minutes, takes out aluminium
After article workpiece cleaning, drying is taken out, carries out neutral salt spray test and spraying adhesive force test respectively.
Processed workpiece in the above various embodiments, whether aluminum workpiece surface-brightening is qualified after observation passivation, is
It is no to have pollen and greasy residues.
By national standard (GB 6458-1986 metal cladding neutral salt spray test (NSS test)) to what is do not sprayed
Workpiece carries out neutral salt spray test, and Passing Criteria is that 72h corrosion phenomenon does not occur.By national standard (GB/T9286-1998 color
Paint and the cross cut test of varnish-paint film) to the workpiece sprayed, adhesive force test is carried out, adhesive force optimality criterion is 0 grade.
According to aluminum workpiece handled by the above standard testing embodiment 1-8 and reference examples 1,2, concrete outcome is as follows
Table:
1 Comparative result table of table
As shown in Table 1, the passivator of simple zirconium titanium compound composition has that passivation rear surface is in poor shape,
Especially remaining greasy dirt and pollen problem generate negative impact to the service life of paint, coating, will go out after long-time
(to ensure that adhesive force and salt spray resistance are up to standard, conventional method can only improve blunt the problems such as now blistering, falling off or cut quick-fried paint
The dosage of agent).
And additive of the invention is used, it can be improved the performance of zirconium titanium system passivator, on the one hand pass through the association of each ingredient
Same-action, accelerates the further removing of aluminum products surface and oil contaminant in passivation procedure, and keeps passivation film forming speed and thickness uniform,
To prevent the residual of greasy dirt and the delustring on surface；On the other hand, the synergistic effect of each component and zirconium compounds, titanium compound,
Increase the consistency of passivating film, while in the ingredient insertion passivating film of additive, passivating film and paint, powdery paints can be enhanced
Absorption property enhances the adhesive force of paint in paint drying process.
To sum up, what is provided according to the present invention is used to enhance the additive of zirconium, titanium compound inactivating performance, can not increase
Under the premise of zirconium titanium compound usage amount, enhance the workpiece corrosion resistance after being passivated, while improving the coating and base after passivation
The adhesive force of material, actual test show to make using additive of the invention the spraying of traditional zirconium titanium system passivator to adhere to
Power is promoted from that can reach 1 grade to can reach 0 grade, and the workpiece not sprayed after passivation, neutral salt spray test are reachable
Product service life to 100h or more, after effectively improving passivation.And the additive is entirely free of chromium, product environmental protection, safety
Nontoxic, operation, wastewater treatment are simple, low using unit cost.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of for enhancing the additive of zirconium, titanium compound inactivating performance, which is characterized in that by mass percentage, including
Following components:
2. according to claim 1 for enhancing the additive of zirconium, titanium compound inactivating performance, which is characterized in that described
Surfactant includes polyvinylpyrrolidone, fatty alcohol polyoxyethylene ether, cetyl sulfophenoxy benzene sulfonic acid disodium, ten
One of dialkyl diphenyl ether sodium disulfonate, cetyl benzenesulfonic acid sodium, lauryl sodium sulfate, neopelex
Or it is a variety of.
3. according to claim 1 for enhancing the additive of zirconium, titanium compound inactivating performance, which is characterized in that described
The compound of molybdenum is as main salt and promotor.
4. according to claim 3 for enhancing the additive of zirconium, titanium compound inactivating performance, which is characterized in that described
The compound of molybdenum includes ammonium phosphomolybdate, sodium molybdate, one or more in ammonium molybdate.
5. according to claim 1 for enhancing the additive of zirconium, titanium compound inactivating performance, which is characterized in that described
For alcohol compound as bleeding agent and solvent, the alcohol compound includes ethylene glycol, polyethylene glycol, glycerol, isopropanol, season penta
One of tetrol, xylitol, sorbierite, polyether polyol are a variety of.
6. according to claim 1 for enhancing the additive of zirconium, titanium compound inactivating performance, which is characterized in that described
Silicon-containing compound is as film forming agent.
7. according to claim 6 for enhancing the additive of zirconium, titanium compound inactivating performance, which is characterized in that described
Silicon-containing compound includes dimethyl silicone polymer, sodium metasilicate, γ aminopropyltriethoxy silane, γ-glycidyl ether oxygen third
Base trimethoxy silane, γ-(methacryloxypropyl) propyl trimethoxy silicane, vinyltriethoxysilane, vinyl three
One of methoxy silane, vinyl three (beta-methoxy ethyoxyl) silane are a variety of.
8. according to claim 1 for enhancing the additive of zirconium, titanium compound inactivating performance, which is characterized in that press matter
Percentages are measured, further include following components:
Ammonium metavanadate 0~0.5%；
Phosphoric acid 0~3%；
Saccharin sodium 0~2%.
9. according to claim 8 for enhancing the additive of zirconium, titanium compound inactivating performance, which is characterized in that described
Phosphoric acid is as free acid, and the ammonium metavanadate is as catalyst film forming agent, and the saccharin sodium is as brightener.
10. claim 1 to 9 is described in any item for enhancing the application of the additive of zirconium, titanium compound inactivating performance, special
Sign is, described to be used cooperatively for enhancing zirconium, the additive of titanium compound inactivating performance and zirconium titanium system passivator, uses technique
Parameter are as follows:
(1) temperature of work tank liquor is 10~35 DEG C；
(2) workpiece soaking time is 5~15min；
(3) solution ph is 3.0~5.5；
(4) work tank liquor in containing 5%~10% passivator.
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Cited By (1)
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| CN110819977A (en) * | 2019-11-12 | 2020-02-21 | 周小贵 | Nano film covering agent |
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