CN103087627A - Metal aluminum alloy silane surface treating agent and preparation method thereof - Google Patents
Metal aluminum alloy silane surface treating agent and preparation method thereof Download PDFInfo
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- CN103087627A CN103087627A CN2012105509216A CN201210550921A CN103087627A CN 103087627 A CN103087627 A CN 103087627A CN 2012105509216 A CN2012105509216 A CN 2012105509216A CN 201210550921 A CN201210550921 A CN 201210550921A CN 103087627 A CN103087627 A CN 103087627A
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Abstract
The invention discloses a metal aluminum alloy silane surface treating agent and a preparation method thereof. The silane surface treating agent is mixed liquid formed by mixing the following components: a silane coupling agent KH550, film-forming resin, citric acid, diethanol amine, propylene glycol, polyvinyl acetate emulsion, polyvinyl alcohol, polydimethylsiloxane, pyrocatechin, oxalic acid and isobutyl alcohol. The metal aluminum alloy silane surface treating agent is prepared by using the silane coupling agent KH550 as a main material and isobutanol as a solvent; the materials are low in cost; and meanwhile, citric acid and a plurality of different auxiliaries are added into the raw materials, so that the treatment time and the treatment temperature of the treating agent are improved. A metal workpiece is treated by virtue of a silanization treating agent, a multi-acid film layer is formed on the surfaces of the metal workpiece, and the film layer has the characteristics of high adhesion, compactness, uniformity and low polarization current density and no cavity and rifts; and the production process is environment-friendly without pollution.
Description
Technical field
The present invention relates to field of metal surface treatment, be specifically related to a kind of metallic aluminium alloy 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 metallic aluminium alloy 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 metallic aluminium alloy 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: Silane coupling agent KH550 12-14, film-forming resin 1.3-1.5, citric acid 1.7-1.9, diethanolamine 1.1-1.5, propylene glycol 10-15, polyvinyl acetate emulsion 7-9, polyvinyl alcohol 0.7-0.9, polydimethylsiloxane 1.3-1.8, catechol 0.9-1.1, oxalic acid 3-5 and isopropylcarbinol 93-98, surplus are deionized water.
Described metallic aluminium alloy 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: Silane coupling agent KH550 13, film-forming resin 1.4, citric acid 1.8, diethanolamine 1.3, propylene glycol 12, polyvinyl acetate emulsion 8, polyvinyl alcohol 0.8, polydimethylsiloxane 1.5, catechol 1, oxalic acid 4 and isopropylcarbinol 95, surplus are deionized water.
The preparation method of described metallic aluminium alloy 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 other feed composition such as film-forming resin, Silane coupling agent KH550, 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: metallic aluminium alloy surface silane finish, by the formulated mixed solution of following component, in every 500 gram mixed solutions, the weight (gram) of each component is: Silane coupling agent KH550 13, film-forming resin 1.4, citric acid 1.8, diethanolamine 1.3, propylene glycol 12, polyvinyl acetate emulsion 8, polyvinyl alcohol 0.8, polydimethylsiloxane 1.5, catechol 1, oxalic acid 4 and isopropylcarbinol 95, surplus are deionized water.
The preparation method of described metallic aluminium alloy 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 0.1, 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 other feed composition such as film-forming resin, Silane coupling agent KH550, 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 aluminium alloy plate 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. metallic aluminium alloy 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: Silane coupling agent KH550 12-14, film-forming resin 1.3-1.5, citric acid 1.7-1.9, diethanolamine 1.1-1.5, propylene glycol 10-15, polyvinyl acetate emulsion 7-9, polyvinyl alcohol 0.7-0.9, polydimethylsiloxane 1.3-1.8, catechol 0.9-1.1, oxalic acid 3-5 and isopropylcarbinol 93-98, surplus are deionized water.
2. metallic aluminium alloy surface silane finish according to claim 1, 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: Silane coupling agent KH550 13, film-forming resin 1.4, citric acid 1.8, diethanolamine 1.3, propylene glycol 12, polyvinyl acetate emulsion 8, polyvinyl alcohol 0.8, polydimethylsiloxane 1.5, catechol 1, oxalic acid 4 and isopropylcarbinol 95, surplus are deionized water.
3. the preparation method of a metallic aluminium alloy surface silane finish as claimed in claim 1 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 other feed composition such as film-forming resin, Silane coupling agent KH550, 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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| CN201210550921.6A CN103087627B (en) | 2012-12-18 | 2012-12-18 | A kind of metal aluminum alloy silane surface treatment agent and preparation method thereof |
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| CN201210550921.6A CN103087627B (en) | 2012-12-18 | 2012-12-18 | A kind of metal aluminum alloy silane surface treatment agent and preparation method thereof |
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| CN103087627A true CN103087627A (en) | 2013-05-08 |
| CN103087627B CN103087627B (en) | 2016-01-06 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104099008A (en) * | 2014-06-19 | 2014-10-15 | 锐展(铜陵)科技有限公司 | Anti-grease aluminium alloy surface treatment agent |
| CN105642527A (en) * | 2016-03-04 | 2016-06-08 | 芜湖市金宇石化设备有限公司 | Coating process for fluid loading and unloading arm |
| CN105647307A (en) * | 2016-03-04 | 2016-06-08 | 芜湖市金宇石化设备有限公司 | Method for preparing loading arm coating treatment agents |
| CN105694618A (en) * | 2016-03-04 | 2016-06-22 | 芜湖市金宇石化设备有限公司 | Treating agent for coating crane tube |
| CN114045491A (en) * | 2021-12-14 | 2022-02-15 | 无锡邦得机械有限公司 | Surface processing method for aluminum alloy casting |
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| EP0182116A2 (en) * | 1984-11-13 | 1986-05-28 | American Cyanamid Company | Surface trated metallic filaments |
| JP2001059181A (en) * | 1999-08-20 | 2001-03-06 | Dainippon Printing Co Ltd | Surface-treated metallic foil |
| CN101351574A (en) * | 2005-12-28 | 2009-01-21 | 杰富意钢铁株式会社 | Electromagnetic steel sheet having insulating coating film and method for producing same |
| CN102482782A (en) * | 2009-09-30 | 2012-05-30 | 费德罗-莫格尔公司 | Substrate And Rubber Composition And Method Of Making The Composition |
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2012
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0182116A2 (en) * | 1984-11-13 | 1986-05-28 | American Cyanamid Company | Surface trated metallic filaments |
| JP2001059181A (en) * | 1999-08-20 | 2001-03-06 | Dainippon Printing Co Ltd | Surface-treated metallic foil |
| CN101351574A (en) * | 2005-12-28 | 2009-01-21 | 杰富意钢铁株式会社 | Electromagnetic steel sheet having insulating coating film and method for producing same |
| CN102482782A (en) * | 2009-09-30 | 2012-05-30 | 费德罗-莫格尔公司 | Substrate And Rubber Composition And Method Of Making The Composition |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104099008A (en) * | 2014-06-19 | 2014-10-15 | 锐展(铜陵)科技有限公司 | Anti-grease aluminium alloy surface treatment agent |
| CN105642527A (en) * | 2016-03-04 | 2016-06-08 | 芜湖市金宇石化设备有限公司 | Coating process for fluid loading and unloading arm |
| CN105647307A (en) * | 2016-03-04 | 2016-06-08 | 芜湖市金宇石化设备有限公司 | Method for preparing loading arm coating treatment agents |
| CN105694618A (en) * | 2016-03-04 | 2016-06-22 | 芜湖市金宇石化设备有限公司 | Treating agent for coating crane tube |
| CN114045491A (en) * | 2021-12-14 | 2022-02-15 | 无锡邦得机械有限公司 | Surface processing method for aluminum alloy casting |
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| CN103087627B (en) | 2016-01-06 |
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Effective date of registration: 20170619 Address after: Suzhou City, Jiangsu province 215300 Shipu Qiandeng Town Kunshan City Gong Lane Road No. 225 room 6 Patentee after: Kunshan Xin Sheng Precision Fittings 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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Effective date of registration: 20200804 Address after: 226000 north of Jingxing road and west of Gudong Road, Nantong Development Zone, Jiangsu Province Patentee after: Jiangsu xinqisheng Technology Co., Ltd Address before: 215300 room 6, No. 225, Xiang Pu Road, Shi Ping Town, Kunshan, Suzhou, Jiangsu. Patentee before: KUNSHAN XINQISHENG PRECISION PARTS Co.,Ltd. |