CN103087629A - Anti-corrosion metal surface silane treatment agent and preparation method thereof - Google Patents
Anti-corrosion metal surface silane treatment agent and preparation method thereof Download PDFInfo
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- CN103087629A CN103087629A CN2012105509324A CN201210550932A CN103087629A CN 103087629 A CN103087629 A CN 103087629A CN 2012105509324 A CN2012105509324 A CN 2012105509324A CN 201210550932 A CN201210550932 A CN 201210550932A CN 103087629 A CN103087629 A CN 103087629A
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Abstract
The invention discloses an anti-corrosion metal surface silane treatment agent and a preparation method thereof. The anti-corrosion metal surface silane treatment agent is a mixed solution prepared from the following components: N-(beta-aminoethyl)-gamma-aminopropyltrimethoxy silane, film-forming resin, benzoic acid monoethanolamine, waterborne polyurethane, triethanolamine, propylene glycol, sodium tripolyphosphate, carboxymethyl cellulose, phytic acid, polydimethylsiloxane, sodium dodecyl benzene sulfonate, citric acid and isopropanol. The N-(beta-aminoethyl)-gamma-aminopropyltrimethoxy silane serves as a main material, the isopropanol serves as a solvent, and the cost is low; and meanwhile, the waterborne polyurethane resin and multiple different aids are added into the raw materials, the treatment time and treatment temperature are improved, the metal workpiece is treated by employing the silanization treatment agent, a multi-acid film layer is formed on the surface, the film layer has the characteristics of high adhesion force, no hole or crack, high denseness and uniformity and low polarization current density, and the production process is environment-friendly and pollution-free.
Description
Technical field
The present invention relates to field of metal surface treatment, be specifically related to a kind of protection against corrosion metallic surface silane finish and preparation method thereof.
Background technology
in field of metal surface treatment, 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 carcinogenic substances such as the heavy metal ion such as chromium and nitrite, environmental pollution is very serious, and the 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 the recent development direction is protected separately in the metallic surface, the rete that the surface of workpiece that in existing technology, solution of silane was processed forms, Density inhomogeneity, the cavity is arranged, split sunken, put forth effort not strong with holding up of metallic object.
Summary of the invention
The object of the invention is to provide a kind of protection against corrosion metallic surface silane finish and preparation method thereof, the present invention adopts silanization treating agent to process metal works, form the polyacid rete on the surface, this rete has strong adhesion, without the cavity, split sunken, fine and close evenly, the characteristics that polarized current density is little, and the production process environmental protection, pollution-free.
The technical solution used in the present invention is as follows for achieving the above object:
a kind of protection against corrosion metallic surface silane finish, it is characterized in that, by the formulated mixed solution of following component, in every 500 gram mixed solutions, the weight (gram) of each component is: N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane 6-8, film-forming resin 1.1-1.3, phenylformic acid monoethanolamine 1-3, waterborne polyurethane resin 2-4, trolamine 0.7-0.9, propylene glycol 13-15, tripoly phosphate sodium STPP 1.5-1.7, carboxymethyl cellulose 5-7, phytic acid 1.4-1.6, polydimethylsiloxane 1.2-1.4, Sodium dodecylbenzene sulfonate 0.6-0.8, citric acid 2-4 and Virahol 90-95, surplus is deionized water.
Described protection against corrosion metallic surface silane finish, it is characterized in that, by the formulated mixed solution of following component, in every 500 gram mixed solutions, the weight (gram) of each component is: N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane 7, film-forming resin 1.2, phenylformic acid monoethanolamine 2, waterborne polyurethane resin 3, trolamine 0.8, propylene glycol 14, tripoly phosphate sodium STPP 1.6, carboxymethyl cellulose 6, phytic acid 1.5, polydimethylsiloxane 1.3, Sodium dodecylbenzene sulfonate 0.7, citric acid 3 and Virahol 92, surplus are deionized water.
The preparation method of described protection against corrosion metallic surface silane finish is characterized in that comprising the following steps:
(1) be prepared into film resin:
Press formulation weight (gram): urea 1-3, anilinomethyl triethoxysilane 1.5-2.5, oxalic acid 3-5, ferric oxide 0.1-0.2, Potassium Persulphate 0.1-0.2, poly(oxyethylene glycol) 400 1-2, Starso 0.7-0.9 deionized water 10-12; Preparation method: first with the urea deionized water dissolving, be heated to 90-100 ℃, add again anilinomethyl triethoxysilane Starso, ferric oxide, Potassium Persulphate, stirring reaction 40-60 minute, be cooled to 60-70 ℃, add again other feed composition of film-forming resin, stirring reaction 30-45 minute and get final product;
(2), get 2/3 left and right deionized water in feed composition, be heated to 75-85 ℃, add film-forming resin, N-(β-aminoethyl)-other feed composition such as γ-aminopropyltrimethoxysilane, stirring reaction 1-2 hour;
(3), add remaining deionized water constant volume, mix, transferring pH with oxalic acid is 5-6, and get final product.Silane surface treatment agent of the present invention, first metallic matrix can directly be entered in treatment agent of the present invention after degreasing, washing and process, after processing, metal base surface can obtain one deck coating, then can wash or not wash down one technique-oven dry according to process requirements, can carry out the operations such as powder spraying after oven dry, processing parameter in treating processes is: working temperature: 25 ℃ of room temperatures, pure water are washed specific conductivity＜50 μ s/cm, the treatment time: 200-350 second.
Compared to the prior art the present invention has the following advantages:
(1) the present invention adopts Starso, urea, silane etc. as the film-forming resin reaction raw materials, carries out polymerization, can form in the metallic surface stronger protective membrane; Strengthened the corrosion resistance nature of metallic matrix.
(2) contain inhibiter in raw material, increase the anticorrosion ability of protective membrane.
(3), the protective film that forms is evenly fine and close, polarized current density is less.
(4) the protection thickness (＜150nm) be significantly less than traditional phosphating solutions film (10 ~ 15 μ m).
Embodiment
Embodiment 1: protection against corrosion metallic surface silane finish, by the formulated mixed solution of following component, in every 500 gram mixed solutions, the weight (gram) of each component is: N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane 7, film-forming resin 1.2, phenylformic acid monoethanolamine 2, waterborne polyurethane resin 3, trolamine 0.8, propylene glycol 14, tripoly phosphate sodium STPP 1.6, carboxymethyl cellulose 6, phytic acid 1.5, polydimethylsiloxane 1.3, Sodium dodecylbenzene sulfonate 0.7, citric acid 3 and Virahol 92, surplus are deionized water.
The preparation method of described protection against corrosion metallic surface silane finish is characterized in that comprising the following steps:
(1) be prepared into film resin:
Press formulation weight (gram): urea 3, anilinomethyl triethoxysilane 2.5, oxalic acid 5, ferric oxide 0.2, Potassium Persulphate 0.2, poly(oxyethylene glycol) 400 2, Starso 0.9 deionized water 12; Preparation method: first with the urea deionized water dissolving, be heated to 90-100 ℃, add again anilinomethyl triethoxysilane Starso, ferric oxide, Potassium Persulphate, stirring reaction 40-60 minute, be cooled to 60-70 ℃, add again other feed composition of film-forming resin, stirring reaction 30-45 minute and get final product;
(2), get 2/3 left and right deionized water in feed composition, be heated to 75-85 ℃, add film-forming resin, N-(β-aminoethyl)-other feed composition such as γ-aminopropyltrimethoxysilane, stirring reaction 1-2 hour;
(3), add remaining deionized water constant volume, mix, transferring pH with oxalic acid is 5-6, and get final product.
In preparation, each raw material group can synchronously enlarge in proportion.
Process the steel plate galvanized material with silane surface treatment agent of the present invention, with this material lateral dissection, carry out spray test, agents useful for same is that concentration is 5% sodium chloride solution, test period 300 hours is measured the bubbling width that forms in line of cut one side, and the bubbling width is 0 as a result; Process metallic substance with silane surface treatment agent of the present invention, it is in 5% sodium chloride solution that this material is immersed in concentration, soaks 300 hours, and material surface is substantially unchanged, soaks 400 hours, and the minute quantity rust staining appears in the edge.
Claims (3)
1. protection against corrosion metallic surface silane finish, it is characterized in that, by the formulated mixed solution of following component, in every 500 gram mixed solutions, the weight (gram) of each component is: N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane 6-8, film-forming resin 1.1-1.3, phenylformic acid monoethanolamine 1-3, waterborne polyurethane resin 2-4, trolamine 0.7-0.9, propylene glycol 13-15, tripoly phosphate sodium STPP 1.5-1.7, carboxymethyl cellulose 5-7, phytic acid 1.4-1.6, polydimethylsiloxane 1.2-1.4, Sodium dodecylbenzene sulfonate 0.6-0.8, citric acid 2-4 and Virahol 90-95, surplus is deionized water.
2. protection against corrosion according to claim 1 metallic surface silane finish, it is characterized in that, by the formulated mixed solution of following component, in every 500 gram mixed solutions, the weight (gram) of each component is: N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane 7, film-forming resin 1.2, phenylformic acid monoethanolamine 2, waterborne polyurethane resin 3, trolamine 0.8, propylene glycol 14, tripoly phosphate sodium STPP 1.6, carboxymethyl cellulose 6, phytic acid 1.5, polydimethylsiloxane 1.3, Sodium dodecylbenzene sulfonate 0.7, citric acid 3 and Virahol 92, surplus are deionized water.
3. the preparation method of a protection against corrosion as claimed in claim 1 metallic surface silane finish is characterized in that comprising the following steps:
(1) be prepared into film resin:
Press formulation weight (gram): urea 1-3, anilinomethyl triethoxysilane 1.5-2.5, oxalic acid 3-5, ferric oxide 0.1-0.2, Potassium Persulphate 0.1-0.2, poly(oxyethylene glycol) 400 1-2, Starso 0.7-0.9 deionized water 10-12; Preparation method: first with the urea deionized water dissolving, be heated to 90-100 ℃, add again anilinomethyl triethoxysilane Starso, ferric oxide, Potassium Persulphate, stirring reaction 40-60 minute, be cooled to 60-70 ℃, add again other feed composition of film-forming resin, stirring reaction 30-45 minute and get final product;
(2), get 2/3 left and right deionized water in feed composition, be heated to 75-85 ℃, add film-forming resin, N-(β-aminoethyl)-other feed composition such as γ-aminopropyltrimethoxysilane, stirring reaction 1-2 hour;
(3), add remaining deionized water constant volume, mix, transferring pH with oxalic acid is 5-6, and get final product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012105509324A CN103087629A (en) | 2012-12-18 | 2012-12-18 | Anti-corrosion metal surface silane treatment agent and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103333609A (en) * | 2013-07-01 | 2013-10-02 | 山东科技大学 | Metal surface silanization treating agent and preparation method thereof |
| CN104099010A (en) * | 2014-06-19 | 2014-10-15 | 锐展(铜陵)科技有限公司 | Vulcanized silane aluminium alloy surface treating agent |
| CN104498929A (en) * | 2014-12-31 | 2015-04-08 | 芜湖华金冲压加工件厂 | Protection method of stainless steel plate in sheet metal process |
| CN105088217A (en) * | 2015-09-12 | 2015-11-25 | 杭州萧山金润表面活性材料厂 | Silane treating agent for metal surfaces |
| CN105463437A (en) * | 2015-12-09 | 2016-04-06 | 常熟市常宝电动过跨平车厂 | Electric rail car |
| CN106191842A (en) * | 2016-08-10 | 2016-12-07 | 天长市润达金属防锈助剂有限公司 | A kind of aqueous protective fluids good with paint adhesion |
| CN109536937A (en) * | 2018-12-21 | 2019-03-29 | 浙江协和陶瓷有限公司 | Highly corrosion resistant galvanized steel plain sheet and preparation method thereof |
| CN115401411A (en) * | 2022-08-20 | 2022-11-29 | 常州振瑞机械制造有限公司 | Production process of stainless steel welded steel pipe |
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| CN1633478A (en) * | 2000-11-13 | 2005-06-29 | 达克拉尔 | Use of moo3 as corrosion inhibitor, and coating composition containing such an inhibitor |
| CN1997713A (en) * | 2004-06-16 | 2007-07-11 | 汉高两合股份公司 | Radiation-curable, electrically conductive coating mixture |
| CN101033363A (en) * | 2007-04-10 | 2007-09-12 | 大连工业大学 | Environment-friendly type galvanizing metal surface treating agent |
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2012
- 2012-12-18 CN CN2012105509324A patent/CN103087629A/en active Pending
Patent Citations (3)
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| CN1633478A (en) * | 2000-11-13 | 2005-06-29 | 达克拉尔 | Use of moo3 as corrosion inhibitor, and coating composition containing such an inhibitor |
| CN1997713A (en) * | 2004-06-16 | 2007-07-11 | 汉高两合股份公司 | Radiation-curable, electrically conductive coating mixture |
| CN101033363A (en) * | 2007-04-10 | 2007-09-12 | 大连工业大学 | Environment-friendly type galvanizing metal surface treating agent |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103333609A (en) * | 2013-07-01 | 2013-10-02 | 山东科技大学 | Metal surface silanization treating agent and preparation method thereof |
| CN103333609B (en) * | 2013-07-01 | 2015-05-20 | 山东科技大学 | Metal surface silanization treating agent and preparation method thereof |
| CN104099010A (en) * | 2014-06-19 | 2014-10-15 | 锐展(铜陵)科技有限公司 | Vulcanized silane aluminium alloy surface treating agent |
| CN104498929A (en) * | 2014-12-31 | 2015-04-08 | 芜湖华金冲压加工件厂 | Protection method of stainless steel plate in sheet metal process |
| CN105088217A (en) * | 2015-09-12 | 2015-11-25 | 杭州萧山金润表面活性材料厂 | Silane treating agent for metal surfaces |
| CN105088217B (en) * | 2015-09-12 | 2018-09-28 | 杭州萧山金润表面活性材料厂 | Metal surface silane treatment agent |
| CN105463437A (en) * | 2015-12-09 | 2016-04-06 | 常熟市常宝电动过跨平车厂 | Electric rail car |
| CN106191842A (en) * | 2016-08-10 | 2016-12-07 | 天长市润达金属防锈助剂有限公司 | A kind of aqueous protective fluids good with paint adhesion |
| CN109536937A (en) * | 2018-12-21 | 2019-03-29 | 浙江协和陶瓷有限公司 | Highly corrosion resistant galvanized steel plain sheet and preparation method thereof |
| CN109536937B (en) * | 2018-12-21 | 2020-12-15 | 浙江协和陶瓷有限公司 | High-corrosion-resistance galvanized steel sheet and preparation method thereof |
| CN115401411A (en) * | 2022-08-20 | 2022-11-29 | 常州振瑞机械制造有限公司 | Production process of stainless steel welded steel pipe |
| CN115401411B (en) * | 2022-08-20 | 2023-08-08 | 常州振瑞机械制造有限公司 | Production process of stainless steel welded steel pipe |
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