CN103254764A - Anti-stripping metal surface silane treatment agent and preparation method thereof - Google Patents
Anti-stripping metal surface silane treatment agent and preparation method thereof Download PDFInfo
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- CN103254764A CN103254764A CN2013101185890A CN201310118589A CN103254764A CN 103254764 A CN103254764 A CN 103254764A CN 2013101185890 A CN2013101185890 A CN 2013101185890A CN 201310118589 A CN201310118589 A CN 201310118589A CN 103254764 A CN103254764 A CN 103254764A
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- antistripping
- surface silane
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Abstract
The invention discloses an anti-stripping metal surface silane treatment agent, which is a mixed solution. Per liter of the mixed solution is composed of the following components by weight(g): 45-50 of propyltrimethoxy silane, 2-3 of pentaerythritol, 5-6 of ethanol, 2-3 of ethylene glycol monobutyl ether, 5-7 of sodium monofluorophosphate, 3-4 of urea, 4-7 of trimethylolpropane, 2-4 of a film forming aid, and the balance water. The treatment process of the anti-stripping metal surface silane treatment agent produced in the invention generates no dreg, the treatment time is short, and the treatment process is easy to control. Being free of harmful heavy metal ions, the anti-stripping metal surface silane treatment agent is safe and environment-friendly, and can form a silane coating having excellent corrosion resistance with a metal surface, thus prolonging the service life of the metal.
Description
Technical field
The present invention relates generally to a kind for the treatment of agent, relates in particular to a kind of metallic surface silane finish of antistripping.
Background technology
Maturation along with metal surface treatment process, traditional phosphate conversion and chromating process for treating surface are because contaminate environment, substituted by the silanization treatment technology of environmental protection and energy saving gradually factors such as human body work the mischief easily, it is the film forming properties of simple dependence silane mostly that but present silanization is handled, make the rete that metal works surface that solution of silane handled forms, density unevenness spare, have the cavity, split sunken, not strong with the sticking power of metallic object.
Summary of the invention
The object of the invention is exactly in order to remedy the defective of prior art, metallic surface silane finish of a kind of antistripping and preparation method thereof to be provided.
The present invention is achieved by the following technical solutions:
A kind of metallic surface silane finish of antistripping, it is by the formulated mixed solution of following component, the weight part (gram) of each component is in every liter of mixed solution:
Propyl trimethoxy silicane 45-50, tetramethylolmethane 2-3, ethanol 5-6, ethylene glycol monobutyl ether 2-3, sodium monoflurophosphate 5-7, urea 3-4, TriMethylolPropane(TMP) 4-7, film coalescence aid 2-4, remaining be water;
Described film coalescence aid is made up of the raw material of following weight parts:
Two (triethoxy is silica-based) ethane 4-6 of 1,2-, diethylene glycol monobutyl ether 3-5, vinylformic acid 4-6, Starso 1-2, alum 1-2, water 15-20;
With above-mentioned 1, two (triethoxy the is silica-based) ethane of 2-are added to the water, stir post-heating to 70-80 ℃, add vinylformic acid, Starso, stirring reaction 30-40 minute, the rising temperature was as for 90-100 ℃, add diethylene glycol monobutyl ether, alum, stirring reaction 10-20 minute, insulation was left standstill 1-2 hour, got described film coalescence aid.
The preparation method of the metallic surface silane finish of described antistripping is characterized in that may further comprise the steps:
(1) above-mentioned propyl trimethoxy silicane is soluble in water, add sodium monoflurophosphate, fully stir;
(2) above-mentioned tetramethylolmethane, ethanol, urea, TriMethylolPropane(TMP) are mixed to join in the water, fully stir;
(3) raw material after the above-mentioned processing is mixed, add acetic acid or sodium-acetate, adjusting PH is 4-5, adds each raw material of residue at last, namely gets the metallic surface silane finish of described antistripping after fully stirring.
Advantage of the present invention is:
The metallic surface silane finish treating processes of the antistripping that the present invention produces does not produce sediment, treatment time is short, control easy, no harmful heavy metal ion, safety and environmental protection, the silane coating that forms with the metallic surface has excellent erosion resistance, acid resistance, oil-proofness, oil-proofness, stripper-resistance, the high adherence energy, prolonged the work-ing life of metal, cooperate by several silane, stability and the efficient binding property of this treatment agent have been strengthened, it is evenly distributed in the metallic surface, makes metal have high compactness and the perviousness of anti-ion, and the film coalescence aid of adding has increased the density of silane adsorption film, improved quality of forming film, make rete have strong adhesion, do not have the cavity, split sunken, fine and close advantage such as even.
Embodiment
Embodiment 1
A kind of metallic surface silane finish of antistripping, it is by the formulated mixed solution of following component, the weight part (gram) of each component is in every liter of mixed solution:
Propyl trimethoxy silicane 45-50, tetramethylolmethane 2-3, ethanol 5-6, ethylene glycol monobutyl ether 2-3, sodium monoflurophosphate 5-7, urea 3-4, TriMethylolPropane(TMP) 4-7, film coalescence aid 2-4, remaining be water;
Described film coalescence aid is made up of the raw material of following weight parts:
Two (triethoxy the is silica-based) ethane 6 of 1,2-, diethylene glycol monobutyl ether 5, vinylformic acid 6, Starso 2, alum 1, water 20;
With above-mentioned 1, two (triethoxy the is silica-based) ethane of 2-are added to the water, stir post-heating to 80 ℃, add vinylformic acid, Starso, stirring reaction 40 minutes, the rising temperature is as for 100 ℃, add diethylene glycol monobutyl ether, alum, stirring reaction 20 minutes, insulation was left standstill 2 hours, got described film coalescence aid.
A kind of preparation method of metallic surface silane finish of antistripping may further comprise the steps:
(1) above-mentioned propyl trimethoxy silicane is soluble in water, add sodium monoflurophosphate, fully stir;
(2) above-mentioned tetramethylolmethane, ethanol, urea, TriMethylolPropane(TMP) are mixed to join in the water, fully stir;
(3) raw material after the above-mentioned processing is mixed, add acetic acid or sodium-acetate, regulating PH is 5, adds each raw material of residue at last, namely gets the metallic surface silane finish of described antistripping after fully stirring.
Performance test:
The salt spray resistance experiment:
Handle the experiment steel plate with the metallic surface silane finish of antistripping of the present invention, carried out salt mist experiment 80 hours, the coating surface no change, salt mist experiment 150 hours, surface of steel plate corroded area are 0.3%
Crooked viscosity:
Handle the experiment steel plate with the metallic surface silane finish of antistripping of the present invention, with crooked 55 degree of steel plate doubling, peel off curved part 3 times with adhesive tape, detect extent of exfoliation under the X20 magnifying glass, flawless keeps under the bending condition as a result, with 80-90 ℃ steamed 20-30 ℃, peel off curved part 3 times with adhesive tape again, detect extent of exfoliation under the X20 magnifying glass, the result is flawless still;
Acid resistance:
Handling the experiment steel plate with the metallic surface silane finish of antistripping of the present invention, is that 23 ℃ 0.05mol/l sulfuric acid sprays experiment, experimental period 20 hours with temperature, clean with clear water, indoor placement 2 hours, the coating surface no change, nothing is bubbled, nothing comes off, do not have damaged;
Oil-proofness:
Handling the experiment steel plate with the metallic surface silane finish of antistripping of the present invention, is that the sodium hydroxide of 23 ℃ 0.1mol/l sprays experiment, experimental period 20 hours with temperature, clean with clear water, indoor placement 2 hours, the coating surface no change, nothing is bubbled, nothing comes off, do not have damaged;
Anti-separability:
Handle the experiment steel plate with the metallic surface silane finish of antistripping of the present invention, be coated with the paste that face is coated with last layer 2-3mm at steel plate, being put into temperature is 50 ℃, in the watertight chest of relative humidity 96%, experimental period 24 hours, take out the back and clean with clear water, coating surface does not have foaming, nothing comes off, do not have damaged.
Oil-proofness:
Handle the experiment steel plate with the metallic surface silane finish of antistripping of the present invention, the vertical immersion is equipped with in the Glass Containers of spearmint oil, and keeping the temperature of volatile oil is 24 ℃, experimental period 25 hours, take out the back indoor placement 2 hours, paint film do not have wrinkle, do not have and heave, have damaged, nothing and come off.
Claims (2)
1. the metallic surface silane finish of an antistripping is characterized in that it is by the formulated mixed solution of following component, and the weight part (gram) of each component is in every liter of mixed solution:
Propyl trimethoxy silicane 45-50, tetramethylolmethane 2-3, ethanol 5-6, ethylene glycol monobutyl ether 2-3, sodium monoflurophosphate 5-7, urea 3-4, TriMethylolPropane(TMP) 4-7, film coalescence aid 2-4, remaining be water;
Described film coalescence aid is made up of the raw material of following weight parts:
Two (triethoxy is silica-based) ethane 4-6 of 1,2-, diethylene glycol monobutyl ether 3-5, vinylformic acid 4-6, Starso 1-2, alum 1-2, water 15-20;
With above-mentioned 1, two (triethoxy the is silica-based) ethane of 2-are added to the water, stir post-heating to 70-80 ℃, add vinylformic acid, Starso, stirring reaction 30-40 minute, the rising temperature was as for 90-100 ℃, add diethylene glycol monobutyl ether, alum, stirring reaction 10-20 minute, insulation was left standstill 1-2 hour, got described film coalescence aid.
2. the preparation method of the metallic surface silane finish of an antistripping as claimed in claim 1 is characterized in that may further comprise the steps:
(1) above-mentioned propyl trimethoxy silicane is soluble in water, add sodium monoflurophosphate, fully stir;
(2) above-mentioned tetramethylolmethane, ethanol, urea, TriMethylolPropane(TMP) are mixed to join in the water, fully stir;
(3) raw material after the above-mentioned processing is mixed, add acetic acid or sodium-acetate, adjusting PH is 4-5, adds each raw material of residue at last, namely gets the metallic surface silane finish of described antistripping after fully stirring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2013101185890A CN103254764A (en) | 2013-04-08 | 2013-04-08 | Anti-stripping metal surface silane treatment agent and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013101185890A CN103254764A (en) | 2013-04-08 | 2013-04-08 | Anti-stripping metal surface silane treatment agent and preparation method thereof |
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| CN2013101185890A Pending CN103254764A (en) | 2013-04-08 | 2013-04-08 | Anti-stripping metal surface silane treatment agent and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04260483A (en) * | 1991-02-15 | 1992-09-16 | Tadao Moriya | Solidification of surface-treated industrial waste and contaminated harmful metal by cement |
| CN101509131A (en) * | 2008-02-15 | 2009-08-19 | 宝山钢铁股份有限公司 | Anti-corrosion fingerprint-resistant surface treating pigment and producing method, and use method on stainless steel plate |
| CN101693811A (en) * | 2009-09-28 | 2010-04-14 | 常州捷迈特表面工程技术有限公司 | Chromium-free waterborne corrosion resistant coating used for surface of metal and preparation method thereof |
| CN101717930A (en) * | 2009-12-25 | 2010-06-02 | 华烁科技股份有限公司 | Environment-friendly nano water-based silane treatment agent capable of improving anti-corrosion performance of metal surface |
| CN101939388A (en) * | 2007-12-07 | 2011-01-05 | 迪普索尔化学株式会社 | Surface-treating aqueous solution and treatment methods for forming corrosion-resistant coating film over zinc or zinc alloy deposit |
-
2013
- 2013-04-08 CN CN2013101185890A patent/CN103254764A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04260483A (en) * | 1991-02-15 | 1992-09-16 | Tadao Moriya | Solidification of surface-treated industrial waste and contaminated harmful metal by cement |
| CN101939388A (en) * | 2007-12-07 | 2011-01-05 | 迪普索尔化学株式会社 | Surface-treating aqueous solution and treatment methods for forming corrosion-resistant coating film over zinc or zinc alloy deposit |
| CN101509131A (en) * | 2008-02-15 | 2009-08-19 | 宝山钢铁股份有限公司 | Anti-corrosion fingerprint-resistant surface treating pigment and producing method, and use method on stainless steel plate |
| CN101693811A (en) * | 2009-09-28 | 2010-04-14 | 常州捷迈特表面工程技术有限公司 | Chromium-free waterborne corrosion resistant coating used for surface of metal and preparation method thereof |
| CN101717930A (en) * | 2009-12-25 | 2010-06-02 | 华烁科技股份有限公司 | Environment-friendly nano water-based silane treatment agent capable of improving anti-corrosion performance of metal surface |
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Application publication date: 20130821 |
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