CN108677175A - A kind of aluminium and aluminum alloy surface permanganate/silane composite protection film and preparation method thereof - Google Patents
A kind of aluminium and aluminum alloy surface permanganate/silane composite protection film and preparation method thereof Download PDFInfo
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- CN108677175A CN108677175A CN201810642544.6A CN201810642544A CN108677175A CN 108677175 A CN108677175 A CN 108677175A CN 201810642544 A CN201810642544 A CN 201810642544A CN 108677175 A CN108677175 A CN 108677175A
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- 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
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- C23C22/07—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 phosphates
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- 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
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- C23C22/34—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 fluorides or complex fluorides
- C23C22/36—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 fluorides or complex fluorides containing also phosphates
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- 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
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- 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
- C23C22/34—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 fluorides or complex fluorides
- C23C22/36—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 fluorides or complex fluorides containing also phosphates
- C23C22/362—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 fluorides or complex fluorides containing also phosphates containing also zinc cations
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- 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
- C23C22/48—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 not containing phosphates, hexavalent chromium compounds, fluorides or complex fluorides, molybdates, tungstates, vanadates or oxalates
- C23C22/56—Treatment of aluminium or alloys based thereon
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- 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
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- 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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Abstract
The present invention relates to the corrosion-resistant protection field of aluminum alloy surface, specially a kind of aluminium and aluminum alloy surface permanganate/silane composite protection film and preparation method thereof, including the permanganate conversion film and silane film adhered to successively；Permanganate conversion film is generated using permanganate conversion fluid in aluminium and aluminum alloy surface, silane film is generated using silane treatment liquid in permanganate conversion film and/or aluminium and aluminum alloy surface, silane treatment liquid includes silane, alcohol, organic inhibitor, inorganic inhibitor, pH adjusting agent and deionized water, wherein, 30~50mL/L of silane；600~800mL/L of alcohol；0.1~5g/L of organic inhibitor；0.1~5g/L of inorganic inhibitor；PH adjusting agent dosage ensures that silane treatment liquid pH is 35；Remaining is deionized water.The corrosion resistance of compound conversion film can be not only effectively improved, while can also enhance the binding force between organic coating and aluminium alloy, extends the service life of aluminium alloy element.
Description
Technical field
The present invention relates to the corrosion-resistant protection field of aluminum alloy surface, specially a kind of aluminium and aluminum alloy surface permanganate/
Silane composite protection film and preparation method thereof.
Background technology
Aluminium alloy has many advantages, such as that density is small, specific strength is high, electric conductivity and thermal conductivity are good, plasticity is good as metal material,
It is widely used in the industries such as communications and transportation, building, packaging, electronic apparatus.The chemism of aluminium and its alloy is higher, in air
Its surface can form one layer of aluminum oxide film under environment, this layer of oxidation film is easy to be destroyed during aluminium alloy use,
Spot corrosion, intercrystalline corrosion, stress corrosion cracking and Peeling Corrosion occurs.In order to overcome this disadvantage of aluminum alloy surface performance, expand
Its big use scope, extends its service life, the corrosion-resistant protection of aluminum alloy surface is extremely important.
Traditional Chromium phosphating technolog is the most common preprocess method of aluminum alloy surface, Chromium phosphating technolog be aluminium alloy containing
There are after chemical reaction and electrochemical reaction in the phosphate solution of chromic acid to be formed on its surface the mistake of fine and close chromate protective film
Journey.Due to be formed by protective film have many advantages, such as good corrosion resistance and with organic coating binding force it is strong so that chromium scoria technology
It is widely used within a very long time.But Cr VI is a kind of easily carcinogenic noxious material, to environment and behaviour
The hazard to person for making personnel is very big, and not only treated, and waste liquid can pollute, but also the Cr VI in protective film will also cause
Secondary pollution is generated in use and waste procedures in the future by processing product.The environmental regulations such as RoHS Directive, which are prohibited, to be contained
The launch products of Cr VI, chromium scoria technology application receive stringent limitation.So developing a kind of asepsis environment-protecting, corrosion resistant
Erosion is had excellent performance and the green surface preparation technology strong with painting layer binding force has become common recognition.
Aluminium alloy non-chromium process for treating surface, which is developed so far, there has been preliminary effect, develop molybdic acid salt treatment, Gao Meng
A series of Chrome-free process for treating surface such as hydrochlorate processing, the processing of titanium zirconium, rare earth treatment, but single its conversion film for the treatment of technology
Corrosion resistance will be well below chromium scoria conversion film, and the binding force between conversion film and organic coating is weak, and organic coating is easily sent out
Raw Peeling Corrosion.Silane treatment is formed by silane film its corrosion resistance and is better than chromium scoria conversion film, and can promote organic
Coating is in the adhesive force of aluminum alloy surface, but silane film thinner thickness is fragile, cannot meet the requirement of actual industrial production.
Invention content
A kind of aluminium provided by the invention and aluminum alloy surface permanganate/silane composite protection film and preparation method thereof, no
The corrosion resistance of compound conversion film can be only effectively improved, while can also enhance the combination between organic coating and aluminium alloy
Power extends the service life of aluminium alloy element.
To realize the above-mentioned technical purpose, the technical solution that the present invention takes is, a kind of aluminium and aluminum alloy surface permanganate/
Silane composite protection film, including the permanganate conversion film and silane film that adhere to successively；
Permanganate conversion film is generated using permanganate conversion fluid in aluminium and aluminum alloy surface, and permanganate conversion fluid includes height
The content of manganate, fluoride, organic inhibitor, inorganic inhibitor, oxidant and deionized water, each component is as follows：Permanganic acid
1~20g/L of salt；1~4g/L of fluoride；0.1~3g/L of organic inhibitor；0.1~6g/L of inorganic inhibitor；Oxidant 5~
10g/L；Remaining is deionized water；
Silane film is generated using silane treatment liquid in permanganate conversion film and/or aluminium and aluminum alloy surface, silane treatment liquid packet
Silane, alcohol, organic inhibitor, inorganic inhibitor, pH adjusting agent and deionized water are included, the content of each component is as follows：Silane 30~
50mL/L；600~800mL/L of alcohol；0.1~5g/L of organic inhibitor；0.1~5g/L of inorganic inhibitor；PH adjusting agent dosage is protected
It is 3-5 to demonstrate,prove silane treatment liquid pH；Remaining is deionized water.
As the improved technical solution of the present invention, permanganate selects potassium permanganate in permanganate conversion fluid；Fluoride
Select one or both of sodium fluoride, potassium fluoride；Oxidant is one or both of zinc nitrate, cobalt nitrate.
As the improved technical solution of the present invention, organic inhibitor selects phenyl-phosphonic acid, benzo in permanganate conversion fluid
It is one or more in triazole, methylbenzotrazole；Inorganic inhibitor selects one or both of sodium molybdate, sodium phosphate.
As the improved technical solution of the present invention, in silane treatment liquid organic inhibitor select phenyl-phosphonic acid, benzotriazole,
It is one or more in methylbenzotrazole；Inorganic inhibitor is one or both of cerium chloride, lanthanum chloride.
As the improved technical solution of the present invention, alcohol selects ethyl alcohol and one kind in glycerine or two in silane treatment liquid
Kind；N-octytriethoxysilane；PH adjusting agent selects glacial acetic acid.
As the improved technical solution of the present invention, the preparation of silane treatment liquid is：First by the alcohol of proportional quantity and proportional quantity
Deionized water be hybridly prepared into alcohol solution, pH adjusting agent is secondly added and adjusts pH value 3~5, proportional quantity, which is then added, to be had
Finally alcohol solution is added, 20~40 under stiring in the silane of proportional quantity by the inorganic inhibitor of machine corrosion inhibiter and proportional quantity
35~50h is hydrolyzed at DEG C and becomes clarification to solution, obtains silane treatment liquid.
It is a further object of the present invention to provide the preparations of a kind of aluminium and aluminum alloy surface permanganate/silane composite protection film
Method includes the following steps：First, deionization washing carried out to aluminium and aluminum alloy specimen, polishing, alkaline degreasing, washed again,
Then aluminium and aluminum alloy specimen are dipped in room temperature in permanganate conversion fluid and handle 5~20min, aluminium and the life of aluminum alloy specimen surface
At one layer of golden yellow permanganate conversion film, naturally dry later；Aluminium and aluminum alloy specimen are dipped in silane treatment liquid again
Room temperature handles 1~3min, and curing 30~50min at 120 DEG C~180 DEG C after taking-up forms silane film.
As the improved technical solution of the present invention, the degreaser used in alkaline degreasing includes sodium hydroxide, sodium carbonate, phosphoric acid
Sodium, sodium metasilicate, sodium citrate, OP-10 emulsifiers, JFC, 6501 and deionized water；The content of each component is as follows：Sodium hydroxide
10g/L；Sodium carbonate 25g/L；Sodium phosphate 30g/L；Sodium metasilicate 10g/L；Sodium citrate 8g/L；OP-10 emulsifiers 2mL/L；JFC
1.5mL/L；Coconut acid diethanolamide 2mL/L；Remaining is deionized water；Alkaline degreasing time 15min, pH 11.This Shen
6501 please be also expressed as by coconut acid diethanolamide in text；JFC is fatty alcohol polyoxyethylene ether.
As the improved technical solution of the present invention, polishing is closed step by step to aluminium with 400#, 600#, 800# and 1200# sand paper
Gold surface carries out grinding process, removes aluminum alloy surface pollutant, then washes, be dried for standby again.
Advantageous effect
1. permanganate/silane complex film prepared by the present invention at the same have excellent anticorrosive performance, with metallic matrix and coating
The strong advantage of binding force, the Neutral Salt Spray Corrosion of resistance to 5%NaCl time 400h or more impregnate 7 days rates of corrosion in sea water simulation liquid
Less than 0.0002g/cm2。
2. the present invention permanganate conversion film prepared and forming Covalent bonding together, composite membrane and aluminium alloy between silane film
And chemical bonds are formed between organic coating, the binding force between aluminium alloy and organic coating is enhanced, organic coating is in aluminium
The adhesion value of alloy surface is more than 9MPa, reduces the possibility that Peeling Corrosion occurs for organic coating, improves aluminium alloy structure
Service life of the part under marine environment.
It is a kind of environmentally protective corrosion protection 3. the present invention prepares permanganate/silane complex film in aluminum alloy surface
Technology is free of toxic chemical substance.
To sum up, the application uses permanganate film and silane film, and the composite treatment process of two kinds for the treatment of technologies not only can be with
The corrosion resistance of compound conversion film is effectively improved, while can also enhance the binding force between organic coating and aluminium alloy, is prolonged
The service life of long aluminium alloy element.
Specific implementation mode
It is clearer for the purpose and technical solution that make the embodiment of the present invention, below in conjunction with the embodiment of the present invention, to this
The technical solution of invention is clearly and completely described.Obviously, described embodiment is a part of the embodiment of the present invention,
Instead of all the embodiments.Based on described the embodiment of the present invention, those of ordinary skill in the art are without creativeness
The every other embodiment obtained under the premise of labour, shall fall within the protection scope of the present invention.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein（Including technology art
Language and scientific terminology）With meaning identical with the general understanding of the those of ordinary skill in fields of the present invention.Should also
Understand, those terms such as defined in the general dictionary, which should be understood that, to be had and the meaning in the context of the prior art
The consistent meaning of justice, and unless defined as here, will not be with idealizing or the meaning of too formal be explained.
Embodiment 1：
First, prepare aluminum alloy specimen, polish after being washed to its deionization, then carry out alkaline ungrease treatment, Zhi Houyong
A large amount of deionized waters are cleaned.Polishing process is with 400#, 600#, 800# and 1200# sand paper step by step to aluminum alloy surface（Or
Aluminium surface）Grinding process is carried out, aluminum alloy surface pollutant is removed, then washes, be dried for standby again.Alkaline degreaser is by hydrogen
Sodium oxide molybdena, sodium carbonate, sodium phosphate, sodium metasilicate, sodium citrate, OP-10 emulsifiers, JFC, 6501 and deionized water mix,
The content of each component is as follows：Sodium hydroxide 10g/L；Sodium carbonate 25g/L；Sodium phosphate 30g/L；Sodium metasilicate 10g/L；Sodium citrate
8g/L；OP-10 emulsifiers 2mL/L；JFC 1.5mL/L；6501 2mL/L；Remaining is deionized water, and degreasing condition is room temperature, when
Between be 15min, alkaline degreaser pH=11；
Secondly, permanganate conversion fluid is mixed by potassium permanganate, sodium fluoride, phenyl-phosphonic acid, sodium molybdate, cobalt nitrate and deionized water
It forms, the content of each component is as follows：Potassium permanganate 6g/L；Sodium fluoride 4g/L；Phenyl-phosphonic acid 1g/L；Sodium molybdate 1g/L；Cobalt nitrate
5g/L；Remaining is deionized water, and aluminum alloy specimen, which is dipped in room temperature in permanganate conversion fluid, handles 10min, generates one layer of gold
The permanganate conversion film of yellow, naturally dry, permanganate conversion film thickness are 2 μm later；
Later, silane treatment liquid is prepared, 585mL ethyl alcohol and 400mL deionized waters are hybridly prepared into alcohol solution, are then added
15mL glycerine improves the stability for the treatment of fluid, adjusts pH value 4.8 with glacial acetic acid later, and 1g phenyl-phosphonic acids and 2g chlorine is then added
Change cerium, finally 35mL n-octytriethoxysilanes (CG-8831) are added in alcohol solution under stiring, are hydrolyzed at 35 DEG C
48h becomes to solution to be clarified, and silane treatment liquid is obtained；
Finally, 2min in silane treatment liquid will be immersed by the aluminum alloy specimen of permanganate processing, taken out, it is solid at 150 DEG C
Change 30min, form silane film, the thickness for measuring silane film is 60nm.
There is excellent corrosion resistance, the neutral salt of resistance to 5%NaCl with permanganate/silane complex film prepared by the method
Mist etching time is 430h, and the rate of corrosion impregnated in sea water simulation liquid 7 days is 0.00016g/cm2.In composite film surface electrostatic
Epoxy coating is applied, and cures 3min at 200 DEG C and the adhesive force of epoxy coating is measured by adhesive force pull-out test
For 9.36MPa.
Embodiment 2：
First, prepare aluminum alloy specimen, polish after being washed to its deionization, then carry out alkaline ungrease treatment, Zhi Houyong
A large amount of deionized waters are cleaned.Polishing process be with 400#, 600#, 800# and 1200# sand paper step by step to aluminum alloy surface into
Row grinding process removes aluminum alloy surface pollutant, then washes, be dried for standby again.Alkaline degreaser is by sodium hydroxide, carbon
Sour sodium, sodium phosphate, sodium metasilicate, sodium citrate, OP-10 emulsifiers, JFC, 6501 and deionized water mix, and each component contains
Amount is as follows：Sodium hydroxide 10g/L；Sodium carbonate 25g/L；Sodium phosphate 30g/L；Sodium metasilicate 10g/L；Sodium citrate 8g/L；OP-10 breasts
Agent 2mL/L；JFC 1.5mL/L；6501 2mL/L；Remaining is deionized water, and degreasing condition is room temperature, time 15min, alkali
Property degreaser pH=11；
Secondly, permanganate conversion fluid is by potassium permanganate, potassium fluoride, benzotriazole, methylbenzotrazole, sodium phosphate, zinc nitrate
It is mixed with deionized water, the content of each component is as follows：Potassium permanganate 1g/L；Potassium fluoride 1g/L；Benzotriazole 1g/L；Methyl
Benzotriazole 1g/L；Sodium phosphate 6g/L；Zinc nitrate 10g/L；Remaining is deionized water, and aluminum alloy specimen, which is dipped in permanganate, to be turned
Change room temperature in liquid and handle 20min, generates one layer of golden yellow permanganate conversion film, later naturally dry, permanganate conversion
Film thickness is 2 μm；
Later, silane treatment liquid is prepared, 620mL ethyl alcohol and 365mL deionized waters are hybridly prepared into alcohol solution, are then added
15mL glycerine improves the stability for the treatment of fluid, adjusts pH value 4.8 with glacial acetic acid later, be then added 2.5g benzotriazole,
Finally 30mL n-octytriethoxysilanes (CG-8831) is added under stiring for 2.5g methylbenzotrazoles and 5g lanthanum chlorides
In alcohol solution, 50h is hydrolyzed at 20 DEG C and becomes clarification to solution, obtains silane treatment liquid；
Finally, 3min in silane treatment liquid will be immersed by the aluminum alloy specimen of permanganate surface treatment, taken out, at 120 DEG C
Lower solidification 50min forms silane film, and the thickness for measuring silane film is 55nm.
There is excellent corrosion resistance, the neutral salt of resistance to 5%NaCl with permanganate/silane complex film prepared by the method
Mist etching time is 415h, and the rate of corrosion impregnated in sea water simulation liquid 7 days is 0.00018g/cm2.In composite film surface electrostatic
Epoxy coating is applied, and cures 3min at 200 DEG C and the adhesive force of epoxy coating is measured by adhesive force pull-out test
For 9.21MPa.
Embodiment 3：
First, prepare aluminum alloy specimen, polish after being washed to its deionization, then carry out alkaline ungrease treatment, Zhi Houyong
A large amount of deionized waters are cleaned.Polishing process be with 400#, 600#, 800# and 1200# sand paper step by step to aluminum alloy surface into
Row grinding process removes aluminum alloy surface pollutant, then washes, be dried for standby again.Alkaline degreaser is by sodium hydroxide, carbon
Sour sodium, sodium phosphate, sodium metasilicate, sodium citrate, OP-10 emulsifiers, JFC, 6501 and deionized water mix, and each component contains
Amount is as follows：Sodium hydroxide 10g/L；Sodium carbonate 25g/L；Sodium phosphate 30g/L；Sodium metasilicate 10g/L；Sodium citrate 8g/L；OP-10 breasts
Agent 2mL/L；JFC 1.5mL/L；6501 2mL/L；Remaining is deionized water, and degreasing condition is room temperature, time 15min, alkali
Property degreaser pH=11；
Secondly, permanganate conversion fluid is mixed by potassium permanganate, sodium fluoride, phenyl-phosphonic acid, sodium molybdate, cobalt nitrate and deionized water
It forms, the content of each component is as follows：Potassium permanganate 20g/L；Sodium fluoride 3g/L；Phenyl-phosphonic acid 0.1g/L；Sodium molybdate 0.05g/L；
Sodium phosphate 0.05g/L；Zinc nitrate 8g/L；Remaining is deionized water, and aluminum alloy specimen is dipped in room temperature in permanganate conversion fluid
5min is handled, generates one layer of golden yellow permanganate conversion film, later naturally dry, it is 2.5 μ that permanganate, which converts film thickness,
m；
Later, silane treatment liquid is prepared, 800mL glycerine and 200mL deionized waters are hybridly prepared into alcohol solution, Zhi Houyong
Glacial acetic acid adjusts pH value 5, and 0.05g benzotriazole, 0.05g methylbenzotrazoles, 0.05g lanthanum chlorides and 0.05g chlorine is then added
Change cerium, finally 50mL n-octytriethoxysilanes (CG-8831) are added in alcohol solution under stiring, are hydrolyzed at 40 DEG C
35h becomes to solution to be clarified, and silane treatment liquid is obtained；
Finally, 1min in silane treatment liquid will be immersed by the aluminum alloy specimen of permanganate surface treatment, taken out, at 180 DEG C
Lower solidification 40min forms silane film, and the thickness for measuring silane film is 70nm.
There is excellent corrosion resistance, the neutral salt of resistance to 5%NaCl with permanganate/silane complex film prepared by the method
Mist etching time is 440h, and the rate of corrosion impregnated in sea water simulation liquid 7 days is 0.00013g/cm2.In composite film surface electrostatic
Epoxy coating is applied, and cures 3min at 200 DEG C and the adhesive force of epoxy coating is measured by adhesive force pull-out test
For 9.58MPa.
Embodiment 4：
First, prepare aluminum alloy specimen, polish after being washed to its deionization, then carry out alkaline ungrease treatment, Zhi Houyong
A large amount of deionized waters are cleaned.Polishing process be with 400#, 600#, 800# and 1200# sand paper step by step to aluminum alloy surface into
Row grinding process removes aluminum alloy surface pollutant, then washes, be dried for standby again.Alkaline degreaser is by sodium hydroxide, carbon
Sour sodium, sodium phosphate, sodium metasilicate, sodium citrate, OP-10 emulsifiers, JFC, 6501 and deionized water mix, and each component contains
Amount is as follows：Sodium hydroxide 10g/L；Sodium carbonate 25g/L；Sodium phosphate 30g/L；Sodium metasilicate 10g/L；Sodium citrate 8g/L；OP-10 breasts
Agent 2mL/L；JFC 1.5mL/L；6501 2mL/L；Remaining is deionized water, and degreasing condition is room temperature, time 15min, alkali
Property degreaser pH=11；
Secondly, permanganate conversion fluid is mixed by potassium permanganate, sodium fluoride, phenyl-phosphonic acid, sodium molybdate, cobalt nitrate and deionized water
It forms, the content of each component is as follows：Potassium permanganate 10g/L；Sodium fluoride 2g/L；Potassium fluoride 2g/L；Phenyl-phosphonic acid 0.1g/L；Benzo
Triazole 1g/L；Methylbenzotrazole 1g/L；Sodium phosphate 5g/L；Zinc nitrate 8g/L；Cobalt nitrate 1g/L；Remaining is deionized water, will
Aluminum alloy specimen is dipped in room temperature in permanganate conversion fluid and handles 5min, generates one layer of golden yellow permanganate conversion film, it
Naturally dry afterwards, it is 2.5 μm that permanganate, which converts film thickness,；
Later, silane treatment liquid is prepared, 700mL glycerine and 250mL deionized waters are hybridly prepared into alcohol solution, use 50mL
Ethyl alcohol improves the dispersibility of silane treatment liquid；PH value 3 is adjusted with glacial acetic acid later, 2g methylbenzotrazoles and 3g chlorine is then added
Change cerium, finally 40mL n-octytriethoxysilanes (CG-8831) are added in alcohol solution under stiring, are hydrolyzed at 40 DEG C
35h becomes to solution to be clarified, and silane treatment liquid is obtained；
Finally, 1.5min in silane treatment liquid will be immersed by the aluminum alloy specimen of permanganate surface treatment, taken out, 170
Cure 35min at DEG C, form silane film, the thickness for measuring silane film is 75nm.
There is excellent corrosion resistance, the neutral salt of resistance to 5%NaCl with permanganate/silane complex film prepared by the method
Mist etching time is 445h, and the rate of corrosion impregnated in sea water simulation liquid 7 days is 0.00012g/cm2.In composite film surface electrostatic
Epoxy coating is applied, and cures 3min at 200 DEG C and the adhesive force of epoxy coating is measured by adhesive force pull-out test
For 9.6MPa.
Embodiment 5：
First, prepare aluminum alloy specimen, polish after being washed to its deionization, then carry out alkaline ungrease treatment, Zhi Houyong
A large amount of deionized waters are cleaned.Polishing process be with 400#, 600#, 800# and 1200# sand paper step by step to aluminum alloy surface into
Row grinding process removes aluminum alloy surface pollutant, then washes, be dried for standby again.Alkaline degreaser is by sodium hydroxide, carbon
Sour sodium, sodium phosphate, sodium metasilicate, sodium citrate, OP-10 emulsifiers, JFC, 6501 and deionized water mix, and each component contains
Amount is as follows：Sodium hydroxide 10g/L；Sodium carbonate 25g/L；Sodium phosphate 30g/L；Sodium metasilicate 10g/L；Sodium citrate 8g/L；OP-10 breasts
Agent 2mL/L；JFC 1.5mL/L；6501 2mL/L；Remaining is deionized water, and degreasing condition is room temperature, time 15min, alkali
Property degreaser pH=11；
Secondly, permanganate conversion fluid is mixed by potassium permanganate, sodium fluoride, phenyl-phosphonic acid, sodium molybdate, cobalt nitrate and deionized water
It forms, the content of each component is as follows：Potassium permanganate 15g/L；Sodium fluoride 3g/L；Phenyl-phosphonic acid 0.1g/L；Sodium molybdate 0.05g/L；
Sodium phosphate 0.05g/L；Zinc nitrate 8g/L；Remaining is deionized water, and aluminum alloy specimen is dipped in room temperature in permanganate conversion fluid
15min is handled, generates one layer of golden yellow permanganate conversion film, later naturally dry, it is 2.6 that permanganate, which converts film thickness,
μm；
Later, silane treatment liquid is prepared, 600mL glycerine, 100mL ethyl alcohol and 300mL deionized waters are hybridly prepared into alcohol water
Solution adjusts pH value 4 with glacial acetic acid later, and 0.05g benzotriazole, 0.05g methylbenzotrazoles, 0.05g chlorinations is then added
Finally 50mL n-octytriethoxysilanes (CG-8831) are added in alcohol solution under stiring for lanthanum and 0.05g cerium chlorides,
45h is hydrolyzed at 37 DEG C and becomes clarification to solution, obtains silane treatment liquid；
Finally, 1.5min in silane treatment liquid will be immersed by the aluminum alloy specimen of permanganate surface treatment, taken out, 160
Cure 45min at DEG C, form silane film, the thickness for measuring silane film is 75nm.
There is excellent corrosion resistance, the neutral salt of resistance to 5%NaCl with permanganate/silane complex film prepared by the method
Mist etching time is 444h, and the rate of corrosion impregnated in sea water simulation liquid 7 days is 0.00013g/cm2.In composite film surface electrostatic
Epoxy coating is applied, and cures 3min at 200 DEG C and the adhesive force of epoxy coating is measured by adhesive force pull-out test
For 9.59MPa.
Embodiment the result shows that, permanganate/silane composite protection film prepared by the present invention has excellent corrosion-resistant
Performance, the neutral salt spray of the resistance to 5%NaCl time, the rate of corrosion impregnated in sea water simulation liquid 7 days was less than 0.0002g/ in 400h or more
cm2, the formation of composite membrane enhances the binding force between aluminium alloy and organic coating, attachment of the organic coating in aluminum alloy surface
Force value is more than 9MPa, is free of noxious material in treatment fluid of the present invention, meets environmental requirement, simple for process, is easily formed industrialization.
It these are only embodiments of the present invention, the description thereof is more specific and detailed, but can not therefore be interpreted as pair
The limitation of the scope of the claims of the present invention.It should be pointed out that for those of ordinary skill in the art, not departing from the present invention
Under the premise of design, various modifications and improvements can be made, these are all belonged to the scope of protection of the present invention.
Claims (9)
1. a kind of aluminium and aluminum alloy surface permanganate/silane composite protection film, which is characterized in that including the Gao Meng adhered to successively
Hydrochlorate conversion film and silane film；
Permanganate conversion film is generated using permanganate conversion fluid in aluminium and aluminum alloy surface, and permanganate conversion fluid includes height
The content of manganate, fluoride, organic inhibitor, inorganic inhibitor, oxidant and deionized water, each component is as follows：Permanganic acid
1~20g/L of salt；1~4g/L of fluoride；0.1~3g/L of organic inhibitor；0.1~6g/L of inorganic inhibitor；Oxidant 5~
10g/L；Remaining is deionized water；
Silane film is generated using silane treatment liquid in permanganate conversion film and/or aluminium and aluminum alloy surface, silane treatment liquid packet
Silane, alcohol, organic inhibitor, inorganic inhibitor, pH adjusting agent and deionized water are included, the content of each component is as follows：Silane 30~
50mL/L；600~800mL/L of alcohol；0.1~5g/L of organic inhibitor；0.1~5g/L of inorganic inhibitor；PH adjusting agent dosage is protected
It is 3-5 to demonstrate,prove silane treatment liquid pH；Remaining is deionized water.
2. a kind of aluminium according to claim 1 and aluminum alloy surface permanganate/silane composite protection film, feature exist
In permanganate selects potassium permanganate in permanganate conversion fluid；Fluoride selects sodium fluoride, one kind in potassium fluoride or two
Kind；Oxidant is one or both of zinc nitrate, cobalt nitrate.
3. a kind of aluminium according to claim 1 and aluminum alloy surface permanganate/silane composite protection film, feature exist
In organic inhibitor selects phenyl-phosphonic acid, benzotriazole, one kind in methylbenzotrazole or more in permanganate conversion fluid
Kind；Inorganic inhibitor selects one or both of sodium molybdate, sodium phosphate.
4. a kind of aluminium according to claim 1 and aluminum alloy surface permanganate/silane composite protection film, feature exist
In organic inhibitor is selected one or more in phenyl-phosphonic acid, benzotriazole, methylbenzotrazole in silane treatment liquid；Nothing
Machine corrosion inhibiter is one or both of cerium chloride, lanthanum chloride.
5. a kind of aluminium according to claim 1 and aluminum alloy surface permanganate/silane composite protection film, feature exist
In alcohol selects one or both of ethyl alcohol and glycerine in silane treatment liquid；N-octytriethoxysilane；PH adjusting agent is selected
Use glacial acetic acid.
6. a kind of aluminium according to claim 1 and aluminum alloy surface permanganate/silane composite protection film, feature exist
In the preparation of silane treatment liquid is：The deionized water of the alcohol of proportional quantity and proportional quantity is hybridly prepared into alcohol solution first,
Secondary addition pH adjusting agent adjusts pH value 3~5, the inorganic inhibitor of the organic inhibitor and proportional quantity of proportional quantity is then added, most
Alcohol solution is added in the silane of proportional quantity under stiring afterwards, 35~50h is hydrolyzed at 20~40 DEG C and becomes clarification to solution, is obtained
Silane treatment liquid.
7. a kind of preparation method of aluminium and aluminum alloy surface permanganate/silane composite protection film as described in claim 1-6,
It is characterised in that it includes following steps：First, deionization washing, polishing, alkaline degreasing, again are carried out to aluminium and aluminum alloy specimen
Then aluminium and aluminum alloy specimen are dipped in room temperature in permanganate conversion fluid and handle 5~20min, aluminium and aluminium alloy examination by secondary washing
The golden yellow permanganate conversion film of one layer of sample Surface Creation, later naturally dry；Aluminium and aluminum alloy specimen are dipped in silane again
Room temperature handles 1~3min in treatment fluid, and curing 30~50min at 120 DEG C~180 DEG C after taking-up forms silane film.
8. the preparation method of aluminium according to claim 7 and aluminum alloy surface permanganate/silane composite protection film, special
Sign is that the degreaser used in alkaline degreasing includes sodium hydroxide, sodium carbonate, sodium phosphate, sodium metasilicate, sodium citrate, OP-10 breasts
Agent, JFC, 6501 and deionized water；The content of each component is as follows：Sodium hydroxide 10g/L；Sodium carbonate 25g/L；Sodium phosphate 30g/
L；Sodium metasilicate 10g/L；Sodium citrate 8g/L；OP-10 emulsifiers 2mL/L；JFC 1.5mL/L；Coconut acid diethanolamide
2mL/L；Remaining is deionized water；Alkaline degreasing time 15min, pH 11.
9. the preparation method of aluminium according to claim 7 and aluminum alloy surface permanganate/silane composite protection film, special
Sign is that polishing is to carry out grinding process to aluminum alloy surface step by step with 400#, 600#, 800# and 1200# sand paper, removes aluminium and closes
Gold surface pollutant, is then washed again, is dried for standby.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109666928A (en) * | 2018-12-24 | 2019-04-23 | 东莞理工学院 | A kind of protective coating of fastener and preparation method thereof and its application |
| CN109972126A (en) * | 2019-04-08 | 2019-07-05 | 上海应用技术大学 | A kind of alloy surface processing method |
| CN110560344A (en) * | 2019-07-25 | 2019-12-13 | 广东省建筑科学研究院集团股份有限公司 | aluminum alloy surface ATS composite membrane compatible with FEVE fluorocarbon powder coating and preparation method thereof |
| CN112538306A (en) * | 2020-12-04 | 2021-03-23 | 攀钢集团攀枝花钢铁研究院有限公司 | Zinc-aluminum-magnesium coating surface treating agent and preparation method and use method thereof |
| CN112553609A (en) * | 2019-09-10 | 2021-03-26 | 天津大学 | Carbon steel surface phosphonic acid-silane composite membrane and preparation method and application thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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
- 2018-06-21 CN CN201810642544.6A patent/CN108677175A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109666928A (en) * | 2018-12-24 | 2019-04-23 | 东莞理工学院 | A kind of protective coating of fastener and preparation method thereof and its application |
| CN109972126A (en) * | 2019-04-08 | 2019-07-05 | 上海应用技术大学 | A kind of alloy surface processing method |
| CN110560344A (en) * | 2019-07-25 | 2019-12-13 | 广东省建筑科学研究院集团股份有限公司 | aluminum alloy surface ATS composite membrane compatible with FEVE fluorocarbon powder coating and preparation method thereof |
| CN110560344B (en) * | 2019-07-25 | 2022-02-22 | 广东省建筑科学研究院集团股份有限公司 | Aluminum alloy surface ATS composite membrane compatible with FEVE fluorocarbon powder coating and preparation method thereof |
| CN112553609A (en) * | 2019-09-10 | 2021-03-26 | 天津大学 | Carbon steel surface phosphonic acid-silane composite membrane and preparation method and application thereof |
| CN112538306A (en) * | 2020-12-04 | 2021-03-23 | 攀钢集团攀枝花钢铁研究院有限公司 | Zinc-aluminum-magnesium coating surface treating agent and preparation method and use method thereof |
| CN112538306B (en) * | 2020-12-04 | 2022-07-15 | 攀钢集团攀枝花钢铁研究院有限公司 | Zinc-aluminum-magnesium coating surface treating agent and preparation method and use method thereof |
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