CN103087572B - A kind of Surface silanization protection treatment agent for hard aluminum alloy and preparation method thereof - Google Patents
A kind of Surface silanization protection treatment agent for hard aluminum alloy and preparation method thereof Download PDFInfo
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- CN103087572B CN103087572B CN201210551024.7A CN201210551024A CN103087572B CN 103087572 B CN103087572 B CN 103087572B CN 201210551024 A CN201210551024 A CN 201210551024A CN 103087572 B CN103087572 B CN 103087572B
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Abstract
The invention discloses a kind of Surface silanization protection treatment agent for hard aluminum alloy, be made up of following component, in every 500 grams of mixed solutions, the weight (gram) of each component is: monoethanolamine benzoate 1-2, guar gum 3-5, rosin 3-5, trihydroxyethyl isocyanuric ester 1-2, MALEIC ANHYDRIDE 10-12, butyl 4-6, propylene glycol 5-8, succinic acid 3-5, vinyltriethoxysilane 8-12, surplus are deionized water.The present invention adopts rosin as reaction raw materials, with the polymerizable raw material such as MALEIC ANHYDRIDE, silane, can form stronger protective membrane in metallic surface; Enhance the corrosion resistance nature of metallic matrix.
Description
Technical field
The present invention relates to a kind of at metallic surface silanization treating agent and by its technique in metallic surface silanization process.
Background technology
Bonderizing is widely applied in coated metal pre-treatment, lubrication, the industry such as antirust.Particularly in Coating Pretreatment industry, bonderizing is one of the most frequently used pretreatment process.Bonderizing is the process forming phosphate coating after metal reacts in acid phosphatase salts solution on its surface.Phosphatize phosphate coat also has good oilness, and insulativity and solidity to corrosion, be thus widely used in the manufacture field of the products such as automobile, machinofacture, aerospace and household electrical appliance.Phosphorization treatment process is for main raw material with phosphoric acid, zinc, manganese, nickel, cause the Heavy environmental pollution such as heavy metal, phosphorus, nitrite, and in treating processes, all more or less can produce sediment and obnoxious flavour, what impact was produced normally carries out, and the waste water COD of discharge and heavy metal will endanger environment if do not carried out environmental protection treatment; In addition, bonderizing major part need be carried out under the condition of heating, and energy consumption is comparatively large, complex process, and operation is also inconvenient.Existingly occurred silane surface treatment technology, but silane surface treatment agent is unstable in metallic surface film forming, antiseptic property is unstable, poor effect.
Summary of the invention
The object of this invention is to provide a kind of Surface silanization protection treatment agent for hard aluminum alloy and preparation method thereof; this solution does not need to heat; not phosphorous, produce without sediment, not containing heavy metal, energy-conservation, simple and convenient management, can form stronger protective membrane on duralumin surface, anticorrosion ability is good.
Technical scheme of the present invention is as follows:
A kind of Surface silanization protection treatment agent for hard aluminum alloy, it is characterized in that, be made up of following component, in every 500 grams of mixed solutions, the weight (gram) of each component is:
Monoethanolamine benzoate 1-2, guar gum 3-5, rosin 3-5, trihydroxyethyl isocyanuric ester 1-2, MALEIC ANHYDRIDE 10-12, butyl 4-6, propylene glycol 5-8, succinic acid 3-5, vinyltriethoxysilane 8-12, surplus are deionized water.
The preparation method of described metal surface silylation protection treating agent, is characterized in that comprising the following steps:
(1), by rosin heating melt, to 110-115 DEG C, add butyl, vinyltriethoxysilane, stirring reaction 35-50 minute;
(2), be warming up to 145-160 DEG C, add trihydroxyethyl isocyanuric ester, MALEIC ANHYDRIDE, stirring reaction 40-50 minute;
(3), continue to be warming up to 190-205 DEG C, add monoethanolamine benzoate, guar gum, stirring reaction 40-50 minute;
(4), be cooled to 80-90 DEG C, add other material, stir, insulation reaction 1-2 hour, after cooling, adjust PH to be neutral.
Silane surface treatment agent of the present invention, first metallic matrix directly can be entered in treatment agent of the present invention after degreasing, washing and process, after process, metal base surface can obtain one deck coating, then can carry out washing or do not wash lower one technique-oven dry according to process requirements, the operations such as powder spraying can be carried out after oven dry, be: working temperature: room temperature 25 DEG C that pure water washes specific conductivity < 20 μ s/cm at the processing parameter for the treatment of processes, the treatment time: 90-250 second.
Compared to the prior art the present invention, has the following advantages:
(1) the present invention adopts rosin as reaction raw materials, with the polymerizable raw material such as MALEIC ANHYDRIDE, silane, can form stronger protective membrane in metallic surface; Enhance the corrosion resistance nature of metallic matrix.
(2) contain inhibiter in raw material, increase the anticorrosion ability of protective membrane.
(3), formed protective film dense uniform, polarized current density is less.
(4) thickness (< 150nm) is protected to be significantly less than traditional phosphating solutions film (10 ~ 15 μm).
Embodiment
A kind of Surface silanization protection treatment agent for hard aluminum alloy, be made up of following component, in every 500 grams of mixed solutions, the weight (gram) of each feed composition is:
Monoethanolamine benzoate 2, guar gum 5, rosin 3, trihydroxyethyl isocyanuric ester 5-6, MALEIC ANHYDRIDE 10, butyl 4, propylene glycol 8, succinic acid 3, vinyltriethoxysilane 12, surplus are deionized water.
The preparation method of described metal surface silylation protection treating agent, comprises the following steps:
(1), by rosin heating melt, to 110-115 DEG C, add butyl, vinyltriethoxysilane, stirring reaction 35-50 minute;
(2), be warming up to 145-160 DEG C, add trihydroxyethyl isocyanuric ester, MALEIC ANHYDRIDE, stirring reaction 40-50 minute;
(3), continue to be warming up to 190-205 DEG C, add monoethanolamine benzoate, guar gum, stirring reaction 40-50 minute;
(4), be cooled to 80-90 DEG C, add other material, stir, insulation reaction 1-2 hour, after cooling, adjust PH to be neutral
First duralumin directly can be entered in treatment agent of the present invention after degreasing, washing and process, after process, matrix surface can obtain one deck coating, then can carry out washing or do not wash lower one technique-oven dry according to process requirements, the operations such as powder spraying can be carried out after oven dry, at the processing parameter for the treatment of processes be: working temperature: room temperature 25 DEG C, pure water washes specific conductivity < 20 μ s/cm, the treatment time: 90-250 second.
Duralumin first adopts alkali-free degreasing fluid to carry out washing and removes oil stain, then puts into silane surface treatment agent of the present invention and process, and after oven dry, carries out immersion test, adopts the NaCl aqueous solution of 0.1M, observe sample surfaces situation; Testing impedance carries out in 3.5 (wt) %NaCl aqueous solution.Duralumin starts not occur red rust for 3 days, and detection coating and duralumin cohesive strength are 6.7Mpa, ︱ Z ︳ 10mHz value is 4.1E6.
Claims (2)
1. a Surface silanization protection treatment agent for hard aluminum alloy, it is characterized in that, be made up of following component, in every 500 grams of mixed solutions, the weight (gram) of each component is: monoethanolamine benzoate 1-2, guar gum 3-5, rosin 3-5, trihydroxyethyl isocyanuric ester 1-2, MALEIC ANHYDRIDE 10-12, butyl 4-6, propylene glycol 5-8, succinic acid 3-5, vinyltriethoxysilane 8-12, surplus are deionized water.
2. the preparation method of Surface silanization protection treatment agent for hard aluminum alloy according to claim 1, is characterized in that comprising the following steps:
(1), by rosin heating melt, to 110-115 DEG C, add butyl, vinyltriethoxysilane, stirring reaction 35-50 minute;
(2), be warming up to 145-160 DEG C, add trihydroxyethyl isocyanuric ester, MALEIC ANHYDRIDE, stirring reaction 40-50 minute;
(3), continue to be warming up to 190-205 DEG C, add monoethanolamine benzoate, guar gum, stirring reaction 40-50 minute;
(4), be cooled to 80-90 DEG C, add other material, stir, insulation reaction 1-2 hour, after cooling, adjust pH to be neutral.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210551024.7A CN103087572B (en) | 2012-12-18 | 2012-12-18 | A kind of Surface silanization protection treatment agent for hard aluminum alloy and preparation method thereof |
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| CN201210551024.7A CN103087572B (en) | 2012-12-18 | 2012-12-18 | A kind of Surface silanization protection treatment agent for hard aluminum alloy and preparation method thereof |
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| CN103087572A CN103087572A (en) | 2013-05-08 |
| CN103087572B true CN103087572B (en) | 2016-03-23 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104099003A (en) * | 2014-06-17 | 2014-10-15 | 安徽省六安市朝晖机械制造有限公司 | Environment-friendly aluminum alloy surface treatment agent |
| CN105331266A (en) * | 2015-10-15 | 2016-02-17 | 当涂县维思共创工业产品设计有限公司 | Aluminium section coating pretreatment agent |
| CN105331282A (en) * | 2015-10-15 | 2016-02-17 | 当涂县维思共创工业产品设计有限公司 | Aluminum profile surface yellowing-resistance treatment liquid |
| CN105331970A (en) * | 2015-10-15 | 2016-02-17 | 当涂县维思共创工业产品设计有限公司 | Water-based cleaning agent for surface of aluminum profile |
| CN105331265A (en) * | 2015-10-15 | 2016-02-17 | 当涂县维思共创工业产品设计有限公司 | Aluminum alloy surface treatment agent |
| CN105331281A (en) * | 2015-10-15 | 2016-02-17 | 当涂县维思共创工业产品设计有限公司 | Aluminum surface treatment agent with characteristics of good decontamination property and corrosion resistance |
| CN105331286A (en) * | 2015-10-15 | 2016-02-17 | 当涂县维思共创工业产品设计有限公司 | Aluminum profile surface hydrophilic impregnation treatment agent |
| CN105331164A (en) * | 2015-10-15 | 2016-02-17 | 当涂县维思共创工业产品设计有限公司 | Aluminum alloy surface treatment agent with effects of corrosion resistance and color fixation |
| CN105369268A (en) * | 2015-10-15 | 2016-03-02 | 当涂县维思共创工业产品设计有限公司 | Aluminum profile surface corrosion-preventing cleaning agent |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101942077A (en) * | 2009-07-07 | 2011-01-12 | 上海涂料有限公司技术中心 | Air-drying water-reducible alkyd resin containing sulfonate base |
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| JPS61155473A (en) * | 1984-12-28 | 1986-07-15 | Idemitsu Petrochem Co Ltd | Surface protective agent |
| JP2008208448A (en) * | 2007-01-29 | 2008-09-11 | Dic Corp | Aqueous composition for primary rust prevention treatment of aluminum sheet, and primary rust-prevention-treated aluminum sheet |
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| CN101942077A (en) * | 2009-07-07 | 2011-01-12 | 上海涂料有限公司技术中心 | Air-drying water-reducible alkyd resin containing sulfonate base |
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Effective date of registration: 20170607 Address after: Chongqing city Fuling District Longxiang road 408000 No. 6 Patentee after: Chongqing panorama Machinery Manufacturing Co., Ltd. Address before: Wuhu City, Anhui province 241007 yeatan Jiujiang Road Economic Development Zone No. 5 Patentee before: Wuhu Hengkun Auto Parts Co., Ltd. |
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Granted publication date: 20160323 Termination date: 20181218 |