CN103059625B - A kind of protection against corrosion stainless steel plate surface silanization protective agent for surface treatment and preparation method thereof - Google Patents
A kind of protection against corrosion stainless steel plate surface silanization protective agent for surface treatment and preparation method thereof Download PDFInfo
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- CN103059625B CN103059625B CN201210550792.0A CN201210550792A CN103059625B CN 103059625 B CN103059625 B CN 103059625B CN 201210550792 A CN201210550792 A CN 201210550792A CN 103059625 B CN103059625 B CN 103059625B
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Abstract
The invention discloses a kind of protection against corrosion stainless steel plate surface silanization protective agent for surface treatment, be made up of following component, in every 500 grams of mixed solutions, the weight (gram) of each component is: ammonium chloride 1-2, diethylamine 1-2, titanium isopropylate 2-3, rosin 3-5, trihydroxyethyl isocyanuric ester 1-2, MALEIC ANHYDRIDE 10-12, butyl 4-6, polyoxyethylene glycol 10-12, oxalic acid 3-5, urea 1-2, aminopropyl triethoxysilane 10-12, 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 protection against corrosion stainless steel plate surface silanization protective agent for surface treatment 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 stainless steel plate surface, anticorrosion ability is good.
Technical scheme of the present invention is as follows:
A kind of protection against corrosion stainless steel plate surface silanization protective agent for surface treatment, 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:
Ammonium chloride 1-2, diethylamine 1-2, titanium isopropylate 2-3, rosin 3-5, trihydroxyethyl isocyanuric ester 1-2, MALEIC ANHYDRIDE 10-12, butyl 4-6, polyoxyethylene glycol 10-12, oxalic acid 3-5, urea 1-2, aminopropyl triethoxysilane 10-12, surplus are deionized water.
1, the preparation method of metal surface silylation protection treating agent according to claim 1, is characterized in that comprising the following steps:
(1), by rosin heating melt, to 110-115 DEG C, add butyl, aminopropyl triethoxysilane, 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 ammonium chloride, diethylamine, titanium isopropylate, 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 protection against corrosion stainless steel plate surface silanization protective agent for surface treatment, be made up of following component, in every 500 grams of mixed solutions, the weight (gram) of each feed composition is:
Ammonium chloride 2, diethylamine 2, titanium isopropylate 3, rosin 3, trihydroxyethyl isocyanuric ester 2, MALEIC ANHYDRIDE 12, butyl 6, polyoxyethylene glycol 12, oxalic acid 5, urea 2, aminopropyl triethoxysilane 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, aminopropyl triethoxysilane, 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 ammonium chloride, diethylamine, titanium isopropylate, 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 stainless steel plate 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.
Stainless steel plate 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.There is not red rust in 3 days in stainless steel plate, detection coating and stainless steel plate cohesive strength are 6.0Mpa, ︱ Z ︳ 10mHz value is 5.6E6.
Claims (1)
1. a protection against corrosion stainless steel plate surface silanization protective agent for surface treatment, it is characterized in that, be made up of following component, in every 500 grams of mixed solutions, the consumption of each component is counted in grams: ammonium chloride 1-2, diethylamine 1-2, titanium isopropylate 2-3, rosin 3-5, trihydroxyethyl isocyanuric ester 1-2, MALEIC ANHYDRIDE 10-12, butyl 4-6, polyoxyethylene glycol 10-12, oxalic acid 3-5, urea 1-2, aminopropyl triethoxysilane 10-12, surplus are deionized water;
The preparation method of this protection against corrosion stainless steel plate surface silanization protective agent for surface treatment, comprises the following steps:
(1), by rosin heating melt, to 110-115 DEG C, add butyl, aminopropyl triethoxysilane, 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 ammonium chloride, diethylamine, titanium isopropylate, 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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| CN201210550792.0A CN103059625B (en) | 2012-12-18 | 2012-12-18 | A kind of protection against corrosion stainless steel plate surface silanization protective agent for surface treatment and preparation method thereof |
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| CN201210550792.0A CN103059625B (en) | 2012-12-18 | 2012-12-18 | A kind of protection against corrosion stainless steel plate surface silanization protective agent for surface treatment and preparation method thereof |
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| CN103059625B true CN103059625B (en) | 2016-01-06 |
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| CN103866262B (en) * | 2014-03-26 | 2016-08-17 | 北京博赛德科技有限公司 | A kind of preparation method of stainless steel surfaces silanization treatment film |
| CN104099019A (en) * | 2014-06-19 | 2014-10-15 | 锐展(铜陵)科技有限公司 | Sea-buckthron-oil-containing aluminum alloy surface treatment agent |
| CN105112886B (en) * | 2015-09-18 | 2018-04-17 | 杭州天净检测技术有限公司 | A kind of inactive surfaces treatment technology |
| CN106756909A (en) * | 2016-05-31 | 2017-05-31 | 陈斌 | A kind of stainless steel surface protective agent for surface treatment and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101892012A (en) * | 2009-05-18 | 2010-11-24 | 攀钢集团攀枝花钢铁研究院有限公司 | Coating composition and steel composite material |
| CN102409325A (en) * | 2011-12-06 | 2012-04-11 | 中国科学院金属研究所 | Environmentally-friendly corrosion-resistant chromium-free chemical conversion liquid and method for preparing chemical conversion film |
| CN102560469A (en) * | 2011-12-29 | 2012-07-11 | 蚌埠市钰诚五金工贸有限公司 | Metal surface silylation protection treating agent |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101892012A (en) * | 2009-05-18 | 2010-11-24 | 攀钢集团攀枝花钢铁研究院有限公司 | Coating composition and steel composite material |
| CN102409325A (en) * | 2011-12-06 | 2012-04-11 | 中国科学院金属研究所 | Environmentally-friendly corrosion-resistant chromium-free chemical conversion liquid and method for preparing chemical conversion film |
| CN102560469A (en) * | 2011-12-29 | 2012-07-11 | 蚌埠市钰诚五金工贸有限公司 | Metal surface silylation protection treating agent |
Non-Patent Citations (1)
| Title |
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| 镀锌钢板表面无铬钝化研究进展;满瑞林等;《河南化工》;20081231;第25卷(第11期);第6-10页 * |
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Inventor after: Ke Changhuo Inventor before: Xia Kuncai |
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Effective date of registration: 20170613 Address after: Jinan District Fuk new road Fuzhou city Fujian province 350014 No. 368 3 floor on the south side of East factory Patentee after: Fujian Mei Ke stainless steel products 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. |