CN106048594A - Washing-free chromium-free passivating agent and utilization method thereof - Google Patents
Washing-free chromium-free passivating agent and utilization method thereof Download PDFInfo
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- CN106048594A CN106048594A CN201610718319.7A CN201610718319A CN106048594A CN 106048594 A CN106048594 A CN 106048594A CN 201610718319 A CN201610718319 A CN 201610718319A CN 106048594 A CN106048594 A CN 106048594A
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- acid
- chrome
- water washing
- tanning agent
- free tanning
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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
- C23C22/68—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 solutions with pH between 6 and 8
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- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
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- Organic Chemistry (AREA)
- Chemical Treatment Of Metals (AREA)
- Paints Or Removers (AREA)
Abstract
The invention belongs to the technical field of metal surface treatment and discloses a washing-free chromium-free passivating agent and a utilization method thereof. The chromium-free passivating agent is prepared from, by weight, 1-30% of a nanoscale titanium compound, 5-50% of fluoride, 10-30% of an organic resin polymer, 1-15% of a mixture of silanol and polysiloxane, 1-2.5% of fluorine containing acid, 1-20% of a complexing agent, 0.1-5% of a corrosion inhibitor and the balance deionized water. By adoption of the chromium-free passivating agent, a pretreatment process of aluminum products can be simplified into steps of degreasing, washing, washing, passivating, drying and spraying, two washing procedures can be saved as compared with a traditional process, production process is evidently simplified, sewage discharge is reduced, and accordingly energy saving and environment friendliness are realized while corrosion resistance and impact resistance of workpieces are improved.
Description
Technical field
The present invention relates to a kind of passivator, be specifically related to chrome-free tanning agent and the using method thereof of a kind of Non-water washing, belong to
Field of metal surface treatment technology.
Background technology
Aluminum alloy materials is the second largest metalloid material that in industry, usage amount is only second to iron and steel.Normal electrode due to aluminum
Current potential is more negative, be in use susceptible to corrosion, aluminium alloy generally require before use through corresponding surface process with
Meet it to the adaptability of environment and safety.Such as, before the japanning of existing aluminum veneer, section bar, aluminum coiled material, place need to be passivated
Reason, in traditional passivation pre-treating technology, comprises the following steps: defat---washing----wash---Passivation Treatment----water
Wash---washing----dry----spraying, treatment process is more, in particular for through repeatedly water washing operations, complex steps, processing
Cumbersome.
Summary of the invention
The problem existed for above-mentioned prior art, the present invention provides chrome-free tanning agent and the user thereof of a kind of Non-water washing
Method, effectively saves water-washing process, simplifies production technology.
To achieve these goals, the chrome-free tanning agent of a kind of Non-water washing that the present invention uses, by weight percentage, bag
Include following component:
The compound 1-30% of nano grade titanium；
Fluoride 5-50%；
Organic resin polymer 10-30%；
The mixture 1-15% of silanol and polysiloxanes；
Fluoric-containing acid 1-2.5%；
Chelating agent 1-20%；
Corrosion inhibiter 0.1-5%；
Remaining is deionized water.
As improvement, the compound of described nano grade titanium is nano titanium oxide.
As improvement, described fluoride is in ammonium acid fluoride, ammonium fluoride, Fluohydric acid., sodium fluoride, potassium fluoride, sodium bifluoride
The combination of one or more.
As improvement, described organic resin polymer is methyl trichlorosilane, dimethyldichlorosilane, phenyl trichlorosilane
In the combination of one or more.
As improvement, the mixed proportion of described silanol and polysiloxanes is 1-5:3, and described silanol is three (tert-fourth oxygen
Base) silanol.
As improvement, described fluoric-containing acid is hexafluosilicic acid, fluoboric acid, fluoaluminic acid, fluorophosphoric acid, fluorine arsenic acid, fluorine metaantimmonic acid, fluotitanic acid
In one or more combination.
As improvement, described chelating agent is dimercaptopropanol, BAL, Sodium Dimercapto Sulfonate, mercaptoethylmaine, TGA, sulfur
One or more combinations in urea.
As improvement, described corrosion inhibiter is the one in phosphine carboxylic acid, coloured glaze base benzothiazole, benzotriazole, lignosulfonate
Or multiple combination.
It addition, present invention also offers the using method of the chrome-free tanning agent of a kind of Non-water washing, this passivator can be by leaching
Steep, spray, smear in either type be coated on the surface of pending material, after having coated, pending material is dried
Do or naturally dry.
Compared with prior art, the chrome-free tanning agent of a kind of Non-water washing, preparation and the using method thereof that the present invention provides, possess biography
The anti-corrosion protection performance to metal of system chromaking washing process excellence and the adhesion performance of coating, and effectively strengthen paint
Adhesive force with base material；Use the chrome-free tanning agent of the present invention, the pre-treating technology of aluminium product can be reduced to: defat water
Wash water washes Passivation Treatment dries spraying, relatively can save twice washing compared with traditional technique, hence it is evident that simplify raw
Production. art, reduces sewage discharge, energy-conserving and environment-protective, improves corrosion resistance and the impact resistance of workpiece simultaneously.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention of greater clarity, below by embodiment, the present invention is entered
Row further describes.However, it should be understood that specific embodiment described herein is only in order to explain the present invention, and need not
In limiting the scope of the present invention.Unless otherwise defined, all of technical term used herein and scientific terminology with belong to this
The implication that the those skilled in the art of invention are generally understood that is identical, the art used the most in the description of the invention
Language is intended merely to describe the purpose of specific embodiment, it is not intended that in limiting the present invention.
Embodiment one
A kind of chrome-free tanning agent of Non-water washing, by weight percentage, including following component:
The compound 5% of nano grade titanium；
Fluoride 30%；
Organic resin polymer 10%；
The mixture 5% of silanol and polysiloxanes；
Fluoric-containing acid 2.5%；
Chelating agent 19%；
Corrosion inhibiter 3.5%；
Deionized water 25%；
Wherein, the compound of described nano grade titanium is nano titanium oxide；
Described fluoride is the combination of sodium fluoride, potassium fluoride；
Described organic resin polymer is methyl trichlorosilane；
The mixed proportion of described silanol and polysiloxanes is 2:3；
Described fluoric-containing acid is hexafluosilicic acid；
Described chelating agent is dimercaptopropanol, BAL；
Described corrosion inhibiter is coloured glaze base benzothiazole.
The preparation method of the chrome-free tanning agent of a kind of Non-water washing, comprises the following steps, by the compound of nano grade titanium, fluorination
Thing, organic resin polymer, silanol and the mixture of polysiloxanes, fluoric-containing acid, chelating agent, corrosion inhibiter and deionized water are by joining
Ratio mix homogeneously, regulates passivator pH value 6-7, i.e. can get the chrome-free tanning agent of Non-water washing.
Wherein, regulating passivator PH acidity-basicity regulator, acidity-basicity regulator is sodium hydroxide, potassium hydroxide, ammonia
Or ammonium hydrogen carbonate.
This passivator can be coated on the surface of pending material by the either type in soaking, spray, smearing, during coating
Between can according to actual production needs regulation, after having coated, pending material is dried or naturally dries.
Performance test is carried out: impulsive force, more than 50KG to this embodiment prepares chrome-free tanning agent；Hundred lattice tests, one-level
Above；Resistance to neutral salt spray test is according to different powder or paint, and the highest salt spray test can be more than 2000h.
Embodiment two
A kind of chrome-free tanning agent of Non-water washing, by weight percentage, including following component:
The compound 10% of nano grade titanium；
Fluoride 10%；
Organic resin polymer 10%；
The mixture 10% of silanol and polysiloxanes；
Fluoric-containing acid 2.5%；
Chelating agent 12.5%；
Corrosion inhibiter 5%；
Deionized water 40%；
Wherein, the compound of described nano grade titanium is nano titanium oxide；
Described fluoride is the combination of ammonium acid fluoride, ammonium fluoride；
Described organic resin polymer is dimethyldichlorosilane；
The Mixing ratio by weight example of described silanol and polysiloxanes is 3:3；
Described fluoric-containing acid is fluoboric acid；
Described chelating agent is dimercaptopropanol, BAL；
Described corrosion inhibiter is benzotriazole.
The preparation method of the chrome-free tanning agent of a kind of Non-water washing, comprises the following steps, by the compound of nano grade titanium, fluorination
Thing, organic resin polymer, silanol and the mixture of polysiloxanes, fluoric-containing acid, chelating agent, corrosion inhibiter and deionized water are by joining
Ratio mix homogeneously, regulates passivator pH value 6-7, i.e. can get the chrome-free tanning agent of Non-water washing.
Wherein, regulating passivator PH acidity-basicity regulator, acidity-basicity regulator is sodium hydroxide, potassium hydroxide, ammonia
Or ammonium hydrogen carbonate.
This passivator can be coated on the surface of pending material by the either type in soaking, spray, smearing, during coating
Between can according to actual production needs regulation, after having coated, pending material is dried or naturally dries.
Embodiment three
A kind of chrome-free tanning agent of Non-water washing, by weight percentage, including following component:
The compound 15% of nano grade titanium；
Fluoride 20%；
Organic resin polymer 10%；
The mixture 5% of silanol and polysiloxanes；
Fluoric-containing acid 2.5%；
Chelating agent 15%；
Corrosion inhibiter 2.5%；
Deionized water 30%；
Wherein, the compound of described nano grade titanium is nano titanium oxide；
Described fluoride is sodium fluoride；
Described organic resin polymer is phenyl trichlorosilane；
The mixed proportion of described silanol and polysiloxanes is 4:3；
Described fluoric-containing acid is fluotitanic acid；
Described chelating agent is thiourea；
Described corrosion inhibiter is lignosulfonate.
The preparation method of the chrome-free tanning agent of a kind of Non-water washing, comprises the following steps, by the compound of nano grade titanium, fluorination
Thing, organic resin polymer, silanol and the mixture of polysiloxanes, fluoric-containing acid, chelating agent, corrosion inhibiter and deionized water are by joining
Ratio mix homogeneously, regulates passivator pH value 6-7, i.e. can get the chrome-free tanning agent of Non-water washing.
Wherein, regulating passivator PH acidity-basicity regulator, acidity-basicity regulator is sodium hydroxide, potassium hydroxide, ammonia
Or ammonium hydrogen carbonate.
This passivator can be coated on the surface of pending material by the either type in soaking, spray, smearing, during coating
Between can according to actual production needs regulation, after having coated, pending material is dried or naturally dries.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent or the improvement etc. made within god and principle, should be included within the scope of the present invention.
Claims (9)
1. the chrome-free tanning agent of a Non-water washing, it is characterised in that by weight percentage, including following component:
The compound 1-30% of nano grade titanium；
Fluoride 5-50%；
Organic resin polymer 10-30%；
The mixture 1-15% of silanol and polysiloxanes；
Fluoric-containing acid 1-2.5%；
Chelating agent 1-20%；
Corrosion inhibiter 0.1-5%；
Remaining is deionized water.
The chrome-free tanning agent of a kind of Non-water washing the most as claimed in claim 1, it is characterised in that the compound of described nano grade titanium
For nano titanium oxide.
The chrome-free tanning agent of a kind of Non-water washing the most as claimed in claim 1, it is characterised in that described fluoride is fluohydric acid gas
The combination of one or more in ammonium, ammonium fluoride, Fluohydric acid., sodium fluoride, potassium fluoride, sodium bifluoride.
The chrome-free tanning agent of a kind of Non-water washing the most as claimed in claim 1, it is characterised in that described organic resin polymer is
The combination of one or more in methyl trichlorosilane, dimethyldichlorosilane, phenyl trichlorosilane.
The chrome-free tanning agent of a kind of Non-water washing the most as claimed in claim 1, it is characterised in that described silanol and polysiloxanes
Mixed proportion be 1-5:3.
The chrome-free tanning agent of a kind of Non-water washing the most as claimed in claim 1, it is characterised in that described fluoric-containing acid be hexafluosilicic acid,
One or more combinations in fluoboric acid, fluoaluminic acid, fluorophosphoric acid, fluorine arsenic acid, fluorine metaantimmonic acid, fluotitanic acid.
The chrome-free tanning agent of a kind of Non-water washing the most as claimed in claim 1, it is characterised in that described chelating agent is dimercapto third
One or more combinations in alcohol, Sodium Dimercapto Sulfonate, mercaptoethylmaine, TGA, thiourea.
The chrome-free tanning agent of a kind of Non-water washing the most as claimed in claim 1, it is characterised in that described corrosion inhibiter be phosphine carboxylic acid,
One or more combinations in coloured glaze base benzothiazole, benzotriazole, lignosulfonate.
The using method of the chrome-free tanning agent of a kind of Non-water washing the most as claimed in claim 1, it is characterised in that this passivator can
The surface of pending material it is coated on, after having coated, to pending material by the either type in soaking, spray, smearing
Carry out drying or naturally drying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610718319.7A CN106048594A (en) | 2016-08-25 | 2016-08-25 | Washing-free chromium-free passivating agent and utilization method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610718319.7A CN106048594A (en) | 2016-08-25 | 2016-08-25 | Washing-free chromium-free passivating agent and utilization method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106048594A true CN106048594A (en) | 2016-10-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610718319.7A Pending CN106048594A (en) | 2016-08-25 | 2016-08-25 | Washing-free chromium-free passivating agent and utilization method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114855153A (en) * | 2022-06-13 | 2022-08-05 | 安徽光铧帝业化学有限公司 | Washing-free chromium-free treatment process before coating of aluminum profile |
| CN115198261A (en) * | 2022-07-20 | 2022-10-18 | 朝阳市加华电子有限公司 | Underwater outboard cable penetrating metal surface treatment liquid |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2016
- 2016-08-25 CN CN201610718319.7A patent/CN106048594A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Non-Patent Citations (2)
| Title |
|---|
| 严宝霞: "《临床药学各论》", 30 September 1999, 北京医科大学出版社 * |
| 祝方: "《环境友好材料及其应用》", 31 August 2009 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114855153A (en) * | 2022-06-13 | 2022-08-05 | 安徽光铧帝业化学有限公司 | Washing-free chromium-free treatment process before coating of aluminum profile |
| CN114855153B (en) * | 2022-06-13 | 2023-10-03 | 安徽光铧帝业化学有限公司 | Non-washing chromium-free treatment process before coating aluminum profile |
| CN115198261A (en) * | 2022-07-20 | 2022-10-18 | 朝阳市加华电子有限公司 | Underwater outboard cable penetrating metal surface treatment liquid |
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Application publication date: 20161026 |
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