CN104099601A - Surface treating agent for antioxidant aluminum alloy - Google Patents
Surface treating agent for antioxidant aluminum alloy Download PDFInfo
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- CN104099601A CN104099601A CN201410275707.3A CN201410275707A CN104099601A CN 104099601 A CN104099601 A CN 104099601A CN 201410275707 A CN201410275707 A CN 201410275707A CN 104099601 A CN104099601 A CN 104099601A
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Abstract
The invention discloses a surface treating agent for antioxidant aluminum alloy. The surface treating agent comprises the following raw materials in parts by weight: 1-1.5 parts of litsea cubeba oil, 3-5.2 parts of sodium borohydride, 3-5 parts of polyethyleneimine, 0.4-1 part of ammonium metavanadate, 0.2-0.4 part of triethyl citrate, 0.1-0.3 part of tripropylene glycol monomethyl ether, 0.3-0.6 part of magnesium stearate, 0.8-1 part of Span-80, 2-4 parts of sodium acetate, 2-3.1 parts of boric acid, 0.2-0.4 part of diphenyl imidazoline, 2-3 parts of a coalescing agent, 14-20 parts of silane coupling agent KH580, and 110-150 parts of de-ionized water. Compared with a traditional phosphate film, a coating film prepared by the surface treating agent is low in thickness, is environment-friendly, is compact and uniform in the film layer, is lower in the polarization current density, and has excellent corrosion resisting effect, strong oxidation resistance and long protectiveness.
Description
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Technical field
The present invention relates generally to field of surface treatment, relates in particular to a kind of antioxidation aluminium alloy surface treatment agent.
Background technology
The surface treatment method of aluminium alloy has a lot, as Physical, chemical method, physico-chemical processes and synthetic method.Conventional method is anonizing now, by electrochemical method, in aluminum alloy surface, form conversion film, although this method can improve the antioxidant property of aluminium alloy, but the ability that it conforms, transform rete even not, easily come off, wear resisting property does not improve, and although traditional phosphate conversion and chromating process for treating surface can obtain good effect, but contain zinc in the waste liquid of discharging in treating processes, manganese, nickel, the heavy metal ion such as chromium and the sub-anti-oxidant carcinogenic substance that waits, environmental pollution is very serious, and metallic surface silanization treatment technology is due to the material of hurm involved environment not, energy consumption in production process is low, technical applications is extensive, be considered to be expected to replace phosphate conversion processing and chromating processing, that recent development direction is protected separately in metallic surface.
Summary of the invention
The object of the invention is just to provide a kind of antioxidation aluminium alloy surface treatment agent.
The present invention is achieved by the following technical solutions:
An antioxidation aluminium alloy surface treatment agent, it is comprised of the raw material of following weight parts:
Litsea cubeba oil 1-1.5, sodium borohydride 3-5.2, polymine 3-5, ammonium meta-vanadate 0.4-1, triethyl citrate 0.2-0.4, tripropylene glycol methyl ether 0.1-0.3, Magnesium Stearate 0.3-0.6, Span-80 0.8-1, sodium-acetate 2-4, boric acid 2-3.1, diphenyl-imidazole quinoline 0.2-0.4, film coalescence aid 2-3, silane coupling agent KH580 14-20, deionized water 110-150;
Described film coalescence aid is comprised of the raw material of following weight parts:
Cetomacrogol 1000 20-26, Sodium Silicofluoride 1-2, calcium acetylacetonate 0.2-0.3, ammonium molybdate 0.5-1, Rizinsan K2 A2 1-2, artemisia glue 1-2, Polysorbate 80 1-2, silane coupling agent kh560 0.3-0.5, deionized water 70-80;
Sodium Silicofluoride, ammonium molybdate, silane coupling agent kh560 mixing and ball milling is even, add the 20-30% of above-mentioned deionized water weight, 600-800 rev/min of dispersed with stirring 3-7 minute, obtains dispersion liquid;
Cetomacrogol 1000 is mixed with artemisia glue, the temperature that raises after stirring is 55-60 ℃, add Rizinsan K2 A2, insulated and stirred 2-4 minute, join in remaining deionized water, 100-200 rev/min of dispersed with stirring 4-6 minute, adds above-mentioned dispersion liquid and each raw material of residue, 400-600 rev/min of dispersed with stirring 10-15 minute, obtains described film coalescence aid.
A preparation method for antioxidation aluminium alloy surface treatment agent, comprises the following steps:
Magnesium Stearate is mixed with ammonium meta-vanadate, after stirring, add triethyl citrate, be uniformly mixed 3-5 minute at 60-70 ℃, add litsea cubeba oil, be stirred to normal temperature;
Sodium borohydride is joined in deionized water, after being uniformly mixed, add polymine, Span-80,100-120 rev/min of dispersed with stirring 4-10 minute;
Each raw material after above-mentioned processing is mixed with each raw material of residue, and 200-300 rev/min of dispersed with stirring 1-2 hour, obtains described antioxidation aluminium alloy surface treatment agent.
Advantage of the present invention is:
Filming that surface treatment agent of the present invention forms is low compared with conventional phosphatizing film thickness, environmental protection, and rete is evenly fine and close, and polarized current density is less, has good anticorrosion ability, and oxidation-resistance is strong, and protectiveness is lasting.
Embodiment
Embodiment 1
An antioxidation aluminium alloy surface treatment agent, it is comprised of the raw material of following weight parts:
Litsea cubeba oil 1.5, sodium borohydride 5.2, polymine 5, ammonium meta-vanadate 0.4, triethyl citrate 0.4, tripropylene glycol methyl ether 0.3, Magnesium Stearate 0.6, Span-80 0.8, sodium-acetate 2, boric acid 3.1, diphenyl-imidazole quinoline 0.4, film coalescence aid 3, silane coupling agent KH580 20, deionized water 150;
Described film coalescence aid is comprised of the raw material of following weight parts:
Cetomacrogol 1000 26, Sodium Silicofluoride 1, calcium acetylacetonate 0.3, ammonium molybdate 0.5, Rizinsan K2 A2 1, artemisia glue 2, Polysorbate 80 2, silane coupling agent kh560 0.5, deionized water 80;
Sodium Silicofluoride, ammonium molybdate, silane coupling agent kh560 mixing and ball milling is even, add 30%, 800 rev/min of dispersed with stirring 7 minutes of above-mentioned deionized water weight, obtain dispersion liquid;
Cetomacrogol 1000 is mixed with artemisia glue, the temperature that raises after stirring is 60 ℃, add Rizinsan K2 A2, insulated and stirred 2-4 minute, join in remaining deionized water, 200 revs/min of dispersed with stirring 4 minutes, add above-mentioned dispersion liquid and each raw material of residue, 600 revs/min of dispersed with stirring 15 minutes, obtain described film coalescence aid.
A preparation method for antioxidation aluminium alloy surface treatment agent, comprises the following steps:
Magnesium Stearate is mixed with ammonium meta-vanadate, after stirring, add triethyl citrate, be uniformly mixed 3 minutes at 70 ℃, add litsea cubeba oil, be stirred to normal temperature;
Sodium borohydride is joined in deionized water, after being uniformly mixed, add polymine, Span-80,120 revs/min of dispersed with stirring 4-10 minute;
Each raw material after above-mentioned processing is mixed with each raw material of residue, and 200 revs/min of dispersed with stirring 2 hours, obtain described antioxidation aluminium alloy surface treatment agent.
Using method:
The Al alloy parts carrying out after degreasing, washing is placed in to surface treatment agent of the present invention and floods, working temperature 20-40 ℃, working hour 0.5-1min.
Performance test:
Getting the aluminum alloy plate materials of surface treatment agent processing of the present invention tests, the specification of this sheet material is 80mm * 100mm * 4mm, by this sheet material lateral dissection, carry out spray test, agents useful for same is that concentration is 5% sodium chloride solution, test period 300 hours, measures the bubbling width forming in line of cut one side, and result bubbling width is 0;
Salt tolerance:
It is in 5% sodium chloride solution that this sheet material is immersed in to concentration, soaks 300 hours, and material surface is substantially unchanged, soaks 300 hours, without rust staining, occurs;
Acid resistance:
This sheet material is sprayed to experiment with the 0.05mol/l sulfuric acid that temperature is 23 ℃, and experimental period 20 hours, cleans with clear water, and indoor placement 2 hours, coating surface was unchanged, and nothing is bubbled, nothing comes off, nothing is damaged;
Stripper-resistance:
The paste that this plate surface is coated with to last layer 2-3mm, being put into temperature is 50 ℃, and in the watertight chest that relative humidity is 90-96%, experimental period 24 hours, cleans with clear water after taking-up, and coating surface is without bubbling, without coming off, without damaged.
Claims (2)
1. an antioxidation aluminium alloy surface treatment agent, is characterized in that what it was comprised of the raw material of following weight parts:
Litsea cubeba oil 1-1.5, sodium borohydride 3-5.2, polymine 3-5, ammonium meta-vanadate 0.4-1, triethyl citrate 0.2-0.4, tripropylene glycol methyl ether 0.1-0.3, Magnesium Stearate 0.3-0.6, Span-80 0.8-1, sodium-acetate 2-4, boric acid 2-3.1, diphenyl-imidazole quinoline 0.2-0.4, film coalescence aid 2-3, silane coupling agent KH580 14-20, deionized water 110-150;
Described film coalescence aid is comprised of the raw material of following weight parts:
Cetomacrogol 1000 20-26, Sodium Silicofluoride 1-2, calcium acetylacetonate 0.2-0.3, ammonium molybdate 0.5-1, Rizinsan K2 A2 1-2, artemisia glue 1-2, Polysorbate 80 1-2, silane coupling agent kh560 0.3-0.5, deionized water 70-80;
Sodium Silicofluoride, ammonium molybdate, silane coupling agent kh560 mixing and ball milling is even, add the 20-30% of above-mentioned deionized water weight, 600-800 rev/min of dispersed with stirring 3-7 minute, obtains dispersion liquid;
Cetomacrogol 1000 is mixed with artemisia glue, the temperature that raises after stirring is 55-60 ℃, add Rizinsan K2 A2, insulated and stirred 2-4 minute, join in remaining deionized water, 100-200 rev/min of dispersed with stirring 4-6 minute, adds above-mentioned dispersion liquid and each raw material of residue, 400-600 rev/min of dispersed with stirring 10-15 minute, obtains described film coalescence aid.
2. a preparation method for antioxidation aluminium alloy surface treatment agent as claimed in claim 1, is characterized in that comprising the following steps:
Magnesium Stearate is mixed with ammonium meta-vanadate, after stirring, add triethyl citrate, be uniformly mixed 3-5 minute at 60-70 ℃, add litsea cubeba oil, be stirred to normal temperature;
Sodium borohydride is joined in deionized water, after being uniformly mixed, add polymine, Span-80,100-120 rev/min of dispersed with stirring 4-10 minute;
Each raw material after above-mentioned processing is mixed with each raw material of residue, and 200-300 rev/min of dispersed with stirring 1-2 hour, obtains described antioxidation aluminium alloy surface treatment agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410275707.3A CN104099601A (en) | 2014-06-19 | 2014-06-19 | Surface treating agent for antioxidant aluminum alloy |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410275707.3A CN104099601A (en) | 2014-06-19 | 2014-06-19 | Surface treating agent for antioxidant aluminum alloy |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007051365A (en) * | 2005-07-22 | 2007-03-01 | Nippon Steel Corp | Chromate-free surface-treated metal material excellent in corrosion resistance, heat resistance, fingerprint resistance, conductivity, coatability and black-dreg resistance at processing |
| CN102534593A (en) * | 2012-02-24 | 2012-07-04 | 安徽未来表面技术有限公司 | Resin/silane compounded passivation liquid for galvanized coil steel and preparation method of resin/silane compounded passivation liquid |
| CN102586770A (en) * | 2012-03-23 | 2012-07-18 | 佛山市科富科技有限公司 | Method for preparing titanium-zirconium/polyhydroxy esterified product composite conversion coating of aluminum alloy surface |
| CN102787310A (en) * | 2012-08-27 | 2012-11-21 | 大连工业大学 | Metal surface treatment agent |
| CN103031551A (en) * | 2012-12-18 | 2013-04-10 | 安徽六方重联机械股份有限公司 | Metal surface silane treating agent containing ethylene diamine tetramethylene risedremate sodium and preparation method thereof |
-
2014
- 2014-06-19 CN CN201410275707.3A patent/CN104099601A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007051365A (en) * | 2005-07-22 | 2007-03-01 | Nippon Steel Corp | Chromate-free surface-treated metal material excellent in corrosion resistance, heat resistance, fingerprint resistance, conductivity, coatability and black-dreg resistance at processing |
| CN102534593A (en) * | 2012-02-24 | 2012-07-04 | 安徽未来表面技术有限公司 | Resin/silane compounded passivation liquid for galvanized coil steel and preparation method of resin/silane compounded passivation liquid |
| CN102586770A (en) * | 2012-03-23 | 2012-07-18 | 佛山市科富科技有限公司 | Method for preparing titanium-zirconium/polyhydroxy esterified product composite conversion coating of aluminum alloy surface |
| CN102787310A (en) * | 2012-08-27 | 2012-11-21 | 大连工业大学 | Metal surface treatment agent |
| CN103031551A (en) * | 2012-12-18 | 2013-04-10 | 安徽六方重联机械股份有限公司 | Metal surface silane treating agent containing ethylene diamine tetramethylene risedremate sodium and preparation method thereof |
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Application publication date: 20141015 |