CN104109472A - Corrosion resistant aluminum alloy surface treatment agent - Google Patents
Corrosion resistant aluminum alloy surface treatment agent Download PDFInfo
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- CN104109472A CN104109472A CN201410276303.6A CN201410276303A CN104109472A CN 104109472 A CN104109472 A CN 104109472A CN 201410276303 A CN201410276303 A CN 201410276303A CN 104109472 A CN104109472 A CN 104109472A
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Abstract
The invention discloses a corrosion resistant aluminum alloy surface treatment agent, which is composed of the following raw materials by weight: 0.7-1 part of propyl gallate, 4.2-5 parts of fluoride sodium borate, 1-1.6 parts of calcium aluminate, 2-3.1 parts of sodium alginate, 0.2-0.4 parts of bauxite powder, 1-1.3 parts of xanthan gum, 2-3.1 parts of toluene-p-sulfonic acid, 0.2-0.4 part of methyl hydroxypropyl acrylate, 0.1-0.2 part of trimethylolpropane diallyl ether, 2-3.5 parts of tetradecanedioic acid, 3-4.1 parts of glycerol, 1-3 parts of a coalescent, 16-20 parts of a silane coupling agent KH560 and 110-140 parts of deionized water. The surface treatment agent provided by the invention can form a strong protective film on the aluminum alloy surface to enhance the corrosion resistance of the substrate; the surface treatment agent provided by the invention does not contain carcinogenic substances such as nitrate and nitrite; and waste liquid can be discharged through simple neutralization treatment, so as to reduce energy consumption.
Description
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Technical field
The present invention relates generally to field of surface treatment, relates in particular to a kind of anticorrosion aluminium 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, form conversion film by electrochemical method in aluminum alloy surface, although this method can improve the corrosion resistance nature 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-corrosion-resistant 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, being considered to be expected to replace phosphate conversion processes 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 anticorrosion aluminium surface treatment agent.
The present invention is achieved by the following technical solutions:
A kind of anticorrosion aluminium surface treatment agent, it is made up of the raw material of following weight parts:
Tenox PG 0.7-1, Sodium tetrafluoroborate 4.2-5, calcium aluminate 1-1.6, sodium alginate 2-3.1, bauxitic clay powder 0.2-0.4, xanthan gum 1-1.3, tosic acid 2-3.1, Rocryl 410 0.2-0.4, trimethylolpropane allyl ether 0.1-0.2, tetradecane diprotic acid 2-3.5, glycerine 3-4.1, film coalescence aid 1-3, silane coupling agent KH560 16-20, deionized water 110-140;
Described film coalescence aid is made up 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 DEG C, 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 the 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 anticorrosion aluminium surface treatment agent, comprises the following steps:
Bauxitic clay powder is mixed with calcium aluminate, after stirring, add Rocryl 410, be uniformly mixed 4-6 minute at 50-70 DEG C, add tosic acid, be stirred to normal temperature;
Above-mentioned each raw material after treatment is mixed with the each raw material of residue, and 200-300 rev/min of dispersed with stirring 1-2 hour, obtains described anticorrosion aluminium surface treatment agent.
Advantage of the present invention is:
Surface treatment agent of the present invention can form stronger protective membrane in aluminum alloy surface; strengthen the corrosion resistance nature of matrix; in treatment agent of the present invention, do not contain the carcinogenic substance such as nitrate and nitrite, waste liquid can discharge after simple neutralizing treatment, lowers energy consumption.
Embodiment
Embodiment 1
A kind of anticorrosion aluminium surface treatment agent, it is made up of the raw material of following weight parts:
Tenox PG 0.7, Sodium tetrafluoroborate 4.2, calcium aluminate 1.6, sodium alginate 3.1, bauxitic clay powder 0.4, xanthan gum 1.3, tosic acid 3.1, Rocryl 410 0.4, trimethylolpropane allyl ether 0.2, tetradecane diprotic acid 3.5, glycerine 4.1, film coalescence aid 3, silane coupling agent KH560 20, deionized water 140;
Described film coalescence aid is made up of the raw material of following weight parts:
Cetomacrogol 1000 26, Sodium Silicofluoride 2, calcium acetylacetonate 0.3, ammonium molybdate 0.5, Rizinsan K2 A2 2, artemisia glue 1, Polysorbate 80 1, silane coupling agent kh560 0.5, deionized water 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, 800 revs/min of dispersed with stirring 7 minutes, obtain dispersion liquid;
Cetomacrogol 1000 is mixed with artemisia glue, the temperature that raises after stirring is 60 DEG C, add Rizinsan K2 A2, insulated and stirred 4 minutes, join in remaining deionized water, 200 revs/min of dispersed with stirring 4 minutes, add above-mentioned dispersion liquid and the each raw material of residue, 600 revs/min of dispersed with stirring 15 minutes, obtain described film coalescence aid.
A preparation method for anticorrosion aluminium surface treatment agent, comprises the following steps:
Bauxitic clay powder is mixed with calcium aluminate, after stirring, add Rocryl 410, be uniformly mixed 4 minutes at 70 DEG C, add tosic acid, be stirred to normal temperature;
Above-mentioned each raw material after treatment is mixed with the each raw material of residue, and 300 revs/min of dispersed with stirring 2 hours, obtain described anticorrosion aluminium 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 DEG C, 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, occurs without rust staining;
Acid resistance:
This sheet material is sprayed to experiment with the 0.05mol/l sulfuric acid that temperature is 23 DEG C, 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 DEG C, 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 anticorrosion aluminium surface treatment agent, is characterized in that what it was made up of the raw material of following weight parts:
Tenox PG 0.7-1, Sodium tetrafluoroborate 4.2-5, calcium aluminate 1-1.6, sodium alginate 2-3.1, bauxitic clay powder 0.2-0.4, xanthan gum 1-1.3, tosic acid 2-3.1, Rocryl 410 0.2-0.4, trimethylolpropane allyl ether 0.1-0.2, tetradecane diprotic acid 2-3.5, glycerine 3-4.1, film coalescence aid 1-3, silane coupling agent KH560 16-20, deionized water 110-140;
Described film coalescence aid is made up 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 DEG C, 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 the 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 anticorrosion aluminium surface treatment agent as claimed in claim 1, is characterized in that comprising the following steps:
Bauxitic clay powder is mixed with calcium aluminate, after stirring, add Rocryl 410, be uniformly mixed 4-6 minute at 50-70 DEG C, add tosic acid, be stirred to normal temperature;
Above-mentioned each raw material after treatment is mixed with the each raw material of residue, and 200-300 rev/min of dispersed with stirring 1-2 hour, obtains described anticorrosion aluminium surface treatment agent.
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CN201410276303.6A CN104109472A (en) | 2014-06-19 | 2014-06-19 | Corrosion resistant aluminum alloy surface treatment agent |
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CN201410276303.6A CN104109472A (en) | 2014-06-19 | 2014-06-19 | Corrosion resistant aluminum alloy surface treatment agent |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104625481A (en) * | 2014-12-31 | 2015-05-20 | 芜湖协诚金属制品有限公司 | Protective agent for welding spot in metal welding |
CN105332032A (en) * | 2015-12-11 | 2016-02-17 | 天津爱田汽车部件有限公司 | Corrosion-resistant treatment technology for surface of aluminum alloy |
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EP0612833A1 (en) * | 1993-01-29 | 1994-08-31 | Nippon Paint Co., Ltd. | Surface-treating agent for metal can and method for treating metal can surface |
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CN1221044A (en) * | 1998-12-07 | 1999-06-30 | 孔柱佳 | Metal surface finishing agent |
WO2002061175A1 (en) * | 2001-01-31 | 2002-08-08 | Nihon Parkerizing Co., Ltd | Surface treating agent for metal material and method for treating surface |
CN101139500A (en) * | 2007-09-14 | 2008-03-12 | 饶晓霞 | Metal surface finishing agent and method for finishing metal surface |
CN101701336A (en) * | 2009-11-26 | 2010-05-05 | 芜湖市瑞杰环保材料科技有限公司 | Environment-friendly metal surface treating agent and using method thereof |
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2014
- 2014-06-19 CN CN201410276303.6A patent/CN104109472A/en active Pending
Patent Citations (6)
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EP0612833A1 (en) * | 1993-01-29 | 1994-08-31 | Nippon Paint Co., Ltd. | Surface-treating agent for metal can and method for treating metal can surface |
CN1098146A (en) * | 1993-07-26 | 1995-02-01 | 但文哲 | Metal conditioner |
CN1221044A (en) * | 1998-12-07 | 1999-06-30 | 孔柱佳 | Metal surface finishing agent |
WO2002061175A1 (en) * | 2001-01-31 | 2002-08-08 | Nihon Parkerizing Co., Ltd | Surface treating agent for metal material and method for treating surface |
CN101139500A (en) * | 2007-09-14 | 2008-03-12 | 饶晓霞 | Metal surface finishing agent and method for finishing metal surface |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104625481A (en) * | 2014-12-31 | 2015-05-20 | 芜湖协诚金属制品有限公司 | Protective agent for welding spot in metal welding |
CN105332032A (en) * | 2015-12-11 | 2016-02-17 | 天津爱田汽车部件有限公司 | Corrosion-resistant treatment technology for surface of aluminum alloy |
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