CN102533104A - Silanization processing agent for metal piece individually protection - Google Patents
Silanization processing agent for metal piece individually protection Download PDFInfo
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- CN102533104A CN102533104A CN2011104453346A CN201110445334A CN102533104A CN 102533104 A CN102533104 A CN 102533104A CN 2011104453346 A CN2011104453346 A CN 2011104453346A CN 201110445334 A CN201110445334 A CN 201110445334A CN 102533104 A CN102533104 A CN 102533104A
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- mixed solution
- processing agent
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- silanization
- metal piece
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Abstract
The invention provides a silanization processing agent for metal piece individually protection, which is a mixed solution prepared by the following components, and in each liter of the mixed solution, the weight parts of the components are: 30-60 g of 1,2-diethoxylsilyl ethane, 2-5 g of sodium molybdate, 0.5-1.5 g of alpha-sulfo fatty acid methyl ester sodium, 0.1-0.4 g of ethylenediaminetetraacetic acid disodium salt, 4-7 g of isopropanol, and the balance of ethanol solution. The processing agent of the invention is stable in performance, simple in preparation, nontoxic, and free of pollution. When a metal piece is processed by the processing agent of the invention, a film layer formed on the metal surface has the characteristics of strong adhesion, compactness, uniformity, and small polarization current density, which improves the deficiencies of existing metal surface pretreatment, allows better application of metal surface pretreatment, and substitutes phosphatization and blackening technology.
Description
Technical field
The present invention relates to field of metal surface treatment, be specifically related to a kind of metalwork silanization treating agent of protection separately that is used for.
Background technology
In field of metal surface treatment; Though traditional phosphate conversion and chromating process for treating surface can obtain good effect; But contain carcinogenic substances such as heavy metal ion such as zinc, manganese, nickel, chromium and nitrite in the waste liquid of discharging in the treating processes, environmental pollution is very serious.And the metallic surface silanization treatment technology is not owing to relate to environmentally hazardous material, and energy consumption in production process is low, technical applications is extensive, be considered to be expected to replace phosphate conversion handle and the chromating processing, and be that the metallic surface is protected the recent development direction separately.
Summary of the invention
The invention discloses a kind of metalwork silanization treating agent of protection separately that is used for, product performance are stable, adopt silanization treating agent of the present invention to handle metal works; Form the silane rete on the metalwork surface; This rete has fine and close even, thicker, the strong adhesion of rete, and polarized current density is little, and good corrosion resistance is arranged; And the production process environmental protection, pollution-free.
The technical scheme that adopts for the present invention of realization above-mentioned purpose is following:
A kind of separately silanization treating agent of protection of metalwork that is used for is characterized in that, by the formulated mixed solution of following component, the weight part of each component is in every liter of mixed solution:
1,2-diethoxy estersil base ethane 30-60g
Sodium orthomolybdate 2-5g
A-sulfo methyl ester sodium 0.5-1.5 g
Disodium EDTA 0.1-0.4 g
Virahol 4-7g
Surplus is an ethanolic soln.
The described separately silanization treating agent of protection of metalwork that is used for is characterized in that, by the formulated mixed solution of following component, the weight part of each component is in every liter of mixed solution:
1,2-diethoxy estersil base ethane 40g
Sodium orthomolybdate 3g
A-sulfo methyl ester sodium 1g
Disodium EDTA 0.2g
Virahol 5g
Surplus is an ethanolic soln.
The described metalwork silanization treating agent of protection separately that is used for, it is characterized in that: the concentration of described ethanolic soln is 70%-80%.
Preparation: each raw material is got in weighing according to formula rate, and with load weighted each raw materials mix, stirring gets final product.
Beneficial effect of the present invention:
1, metal works is after treatment agent of the present invention carries out pre-treatment; Form rete on its surface, main film forming substance is the silane coupling agent that hydrolization group is contained at two ends simultaneously, and the film of formation is ultra-thin organic membrane; Replaced traditional phosphatize phosphate coat; The organic membrane of unit surface heavily is a conventional phosphatizing film 4%, and evenly finer and close more than conventional film, improves the product Corrosion Protection;
2, thickness greater than conventional application before silylanization handle film, therefore effectively prolong the corrosion path that corrosive medium arrives metallic matrix, play good corrosion resistance;
3, contain the molybdate with corrosion inhibitive function in this product, with the silane synergy, corrosion resistance further improves.
4, this product is stable, and environmental protection is easy to use, produces simply, and raw material is prone to purchase.
Further handle through vinyl resin, silane film is done further protection.
Therefore, this product can fundamentally improve deficiencies such as existing silane treatment product stability is poor, corrosion resistance is not strong, thereby can better application handle in the independent protection silylanization of metalwork, realizes that metalwork protects environmental protectionization separately.
Each item performance index such as the following table of product.
| Sequence number | Project | Technical data |
| 1 | Outward appearance | Colourless |
| 2 | Treatment time | 3～5min |
| 3 | Treatment temp | Normal temperature |
| 4 | Pure water is washed | Specific conductivity＜20 μ s/cm |
| 5 | Tank liquor pH value | 4.0～8.0 |
Embodiment
Embodiment 1
A kind of separately silanization treating agent of protection of metalwork that is used for, by the formulated mixed solution of following component, the weight part of each component is in every liter of mixed solution:
1,2-diethoxy estersil base ethane 30g
Sodium orthomolybdate 2g
A-sulfo methyl ester sodium 0.5g
Disodium EDTA 0.1g
Virahol 4g
Surplus is an ethanolic soln.
With the raw materials mix of formula rate, stirring gets final product.
Embodiment 2
A kind of separately silanization treating agent of protection of metalwork that is used for, by the formulated mixed solution of following component, the weight part of each component is in every liter of mixed solution:
1,2-diethoxy estersil base ethane 40g
Sodium orthomolybdate 3g
A-sulfo methyl ester sodium 1g
Disodium EDTA 0.2g
Virahol 5g
Surplus is an ethanolic soln.
With the raw materials mix of formula rate, stirring gets final product.
Embodiment 3
A kind of separately silanization treating agent of protection of metalwork that is used for, by the formulated mixed solution of following component, the weight part of each component is in every liter of mixed solution:
1,2-diethoxy estersil base ethane 60g
Sodium orthomolybdate 5g
A-sulfo methyl ester sodium 1.5 g
Disodium EDTA 0.4 g
Virahol 7g
Surplus is an ethanolic soln.
With the raw materials mix of formula rate, stirring gets final product.
Contrast like following table with metallic surface silanization protective agent for surface treatment each item performance index of the present invention:
Can find out that from table metallic surface silanization protective agent for surface treatment of the present invention has energy-saving and environmental protection, the characteristics that effect is high when handling metal works.
Claims (3)
1. one kind is used for the separately silanization treating agent of protection of metalwork, it is characterized in that, by the formulated mixed solution of following component, the weight part of each component is in every liter of mixed solution:
1,2-diethoxy estersil base ethane 30-60g
Sodium orthomolybdate 2-5g
A-sulfo methyl ester sodium 0.5-1.5 g
Disodium EDTA 0.1-0.4 g
Virahol 4-7g
Surplus is an ethanolic soln.
2. the separately silanization treating agent of protection of metalwork that is used for according to claim 1 is characterized in that, by the formulated mixed solution of following component, the weight part of each component is in every liter of mixed solution:
1,2-diethoxy estersil base ethane 40g
Sodium orthomolybdate 3g
A-sulfo methyl ester sodium 1g
Disodium EDTA 0.2g
Virahol 5g
Surplus is an ethanolic soln.
3. the metalwork silanization treating agent of protection separately that is used for according to claim 1, it is characterized in that: the concentration of described ethanolic soln is 70%-80%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110445334.6A CN102533104B (en) | 2011-12-28 | 2011-12-28 | Silanization processing agent for metal piece individually protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110445334.6A CN102533104B (en) | 2011-12-28 | 2011-12-28 | Silanization processing agent for metal piece individually protection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102533104A true CN102533104A (en) | 2012-07-04 |
| CN102533104B CN102533104B (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110445334.6A Expired - Fee Related CN102533104B (en) | 2011-12-28 | 2011-12-28 | Silanization processing agent for metal piece individually protection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107488842A (en) * | 2017-08-08 | 2017-12-19 | 肥西县通力机械有限公司 | A kind of processing method for improving steel surface bonding characteristic |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102051611A (en) * | 2010-12-31 | 2011-05-11 | 大连工业大学 | Metal surface treating agent |
| CN102140667A (en) * | 2011-03-18 | 2011-08-03 | 蚌埠市钰诚五金工贸有限公司 | Rear earth polyoxometallate silanization process for metal cathode before electrophoresis |
| CN102146560A (en) * | 2011-03-18 | 2011-08-10 | 蚌埠市钰诚五金工贸有限公司 | Rare earth-silanization treatment agent used before metal cathode electrophoresis and preparation method of rare earth-silanization treatment agent |
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2011
- 2011-12-28 CN CN201110445334.6A patent/CN102533104B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102051611A (en) * | 2010-12-31 | 2011-05-11 | 大连工业大学 | Metal surface treating agent |
| CN102140667A (en) * | 2011-03-18 | 2011-08-03 | 蚌埠市钰诚五金工贸有限公司 | Rear earth polyoxometallate silanization process for metal cathode before electrophoresis |
| CN102146560A (en) * | 2011-03-18 | 2011-08-10 | 蚌埠市钰诚五金工贸有限公司 | Rare earth-silanization treatment agent used before metal cathode electrophoresis and preparation method of rare earth-silanization treatment agent |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107488842A (en) * | 2017-08-08 | 2017-12-19 | 肥西县通力机械有限公司 | A kind of processing method for improving steel surface bonding characteristic |
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| CN102533104B (en) | 2015-06-10 |
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