CN103059727A - Metal surface silicane treating agent containing hexamethylphosphoric triamide and preparing method thereof - Google Patents

Metal surface silicane treating agent containing hexamethylphosphoric triamide and preparing method thereof Download PDF

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CN103059727A
CN103059727A CN2012105507329A CN201210550732A CN103059727A CN 103059727 A CN103059727 A CN 103059727A CN 2012105507329 A CN2012105507329 A CN 2012105507329A CN 201210550732 A CN201210550732 A CN 201210550732A CN 103059727 A CN103059727 A CN 103059727A
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water
zinc oxide
weight part
silicane
hmpa
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CN2012105507329A
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CN103059727B (en
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王立新
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Anhui Liufang Zhonglian Mechanical Share Co Ltd
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Anhui Liufang Zhonglian Mechanical Share Co Ltd
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Abstract

The invention discloses a metal surface silicane treating agent containing hexamethylphosphoric triamide. The metal surface silicane treating agent containing the hexamethylphosphoric triamide is characterized by being a mixed solution which is prepared from following compositions of, by weight in every liter of the mixed solution, 35-45g of aniline methyl triethoxy silicane, 35-45g of N-(beta- aminoethyl)-gamma-aminopropyl trimethoxy silicane, 100-180g of aqueous nanometer zinc oxide material, 3-4g of glycerol, 2-3g of diethylene glycol, 2-4g of ethylene glycol monobutyl ether, 2-3g of titanium tetrafluoride, 2-3g of hexamethylphosphoric triamide, 2-3g of urea, 1-2g of citric acid, 0.3-0.6g of benzotriazole, and the balance water. The metal surface silicane treating agent containing the hexamethylphosphoric triamide has the advantages that, a silicane coating formed on the surface of metal after the metal is processed by using the surface silicane treating agent has good decay resistance, service life of the metal is prolonged, and a compact and firm coating is formed on the surface of the metal by combining the aniline methyl triethoxy silicane and the N-(beta- aminoethyl)-gamma-aminopropyl trimethoxy silicane for use.

Description

A kind of metallic surface silane finish that contains HMPA and preparation method thereof
Technical field
The present invention relates generally to a kind of metallic surface silane finish and preparation method thereof, relates in particular to a kind of metallic surface silane finish that contains HMPA 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 the 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 because 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 solution of silane was processed in the existing technology 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 exactly in order to remedy the defective of prior art, metallic surface silane finish of a kind of water nano zinc oxide material and preparation method thereof to be provided.
The present invention is achieved by the following technical solutions:
A kind of metallic surface silane finish that contains HMPA, by the formulated mixed solution of following component, the weight part (gram) of each component is in every liter of mixed solution:
Anilinomethyl triethoxysilane 35-45, N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane 35-45, water nano zinc oxide material 100-180, glycerine 3-4, glycol ether 2-3, ethylene glycol monobutyl ether 2-4, titanium tetrafluoride 2-3, HMPA 2-3, urea 2-3, citric acid 1-2, azimidobenzene 0.3-0.6, remaining be water;
The preparation method of described water nano zinc oxide material is:
(1) with the nano zine oxide ultra-sonic dispersion in its quality 5-10 dehydrated alcohol doubly, obtain dispersion liquid, then the dicumyl peroxide of its quality 3-4%, the anilinomethyl triethoxysilane of 1-2% are added in the above-mentioned dispersion liquid, under 80-90 ℃ of temperature back flow reaction 1-2 hour, obtain the coupling agent modified nano zine oxide-alcohol suspension with reactive group after the reaction, then filter, centrifugation filtrate obtains modified nano zinc oxide;
(2) glycerol is water-soluble, then add above-mentioned modified nano zinc oxide, in ball mill ball-milling processing 1-2 hour, obtain the modified nano zinc oxide slurry;
(3) N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane is dissolved in the ethanol, be prepared into the solution that mass concentration is 2-4%, join in the above-mentioned modified nano zinc oxide slurry, regulating the pH value with acetic acid or sodium-acetate is 4-5, ball-milling processing 2-3 hour again, obtain described water nano zinc oxide material.
A kind of metallic surface silane finish that contains HMPA, among the preparation method of described water nano zinc oxide material, the water in described nano zine oxide, glycerol, vinyl three ('beta '-methoxy oxyethyl group) silane and the step (2), the mass ratio of the ethanol in the step (3) are: nano zine oxide: glycerol: N-(β-aminoethyl)-γ-aminopropyl trimethoxy silicon: water: ethanol is the 10-15g:1-2g:2-4g:95-105 gram: the 95-105 gram.
The granularity of described nano zine oxide is 40-50nm.
A kind of preparation method who contains the metallic surface silane finish of HMPA may further comprise the steps:
(1) anilinomethyl triethoxysilane with above-mentioned weight part adds in the water of above-mentioned weight part 60-70%, fully adds the N-(β-aminoethyl) of above-mentioned weight part-γ-aminopropyltrimethoxysilane after the dissolving again, fully stirs, and gets compound A;
(2) get the 60-70% that remains water, add the water nano zinc oxide material of above-mentioned weight part, after fully stirring, the titanium tetrafluoride, HMPA, urea, the citric acid that add above-mentioned weight part fully stir, and get compound B;
(3) glycerine and the glycol ether with above-mentioned weight part mixes with remaining water, is heated to 40-50 ℃, then adds the azimidobenzene of above-mentioned weight part, is stirred to azimidobenzene and dissolves fully, gets compound C;
(4) compound A obtained above, B and C are mixed, then acetic acid or sodium-acetate, adjustings PH is 3-5, adds at last the ethylene glycol monobutyl ether of above-mentioned weight part, fully namely gets the described metallic surface silane finish that contains HMPA after the stirring.
Advantage of the present invention is:
Use silane surface treatment agent of the present invention to process the silane coating that forms in the metallic surface behind the metal and have excellent corrosion resistance nature, prolonged the work-ing life of metal, by the use that combines of anilinomethyl triethoxysilane and N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane, can form densification in the metallic surface and coating firmly, and have high dispersion stability and efficient binding property with the water nano zinc oxide material of technique preparation of the present invention, it is evenly distributed in the metallic surface, so that metal has high compactness and the perviousness of anti-ion, the auxiliary agents such as titanium tetrafluoride that add, increased the density of silane adsorption film, improved quality of forming film, so that rete has strong adhesion, without the cavity, split sunken, evenly fine and close, the characteristics that polarized current density is little, and production process environmental protection, pollution-free.
Embodiment
Embodiment 1
A kind of metallic surface silane finish that contains HMPA, by the formulated mixed solution of following component, the weight part (gram) of each component is in every liter of mixed solution:
Anilinomethyl triethoxysilane 45, N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane 45, water nano zinc oxide material 140, glycerine 4, glycol ether 3, ethylene glycol monobutyl ether 4, titanium tetrafluoride 3, HMPA 3, urea 3, citric acid 1, azimidobenzene 0.6, remaining be water;
The preparation method of described water nano zinc oxide material is:
(1) with the nano zine oxide ultra-sonic dispersion in the dehydrated alcohol of 10 times of its quality, obtain dispersion liquid, then the dicumyl peroxide of its quality 3%, 2% anilinomethyl triethoxysilane are added in the above-mentioned dispersion liquid, back flow reaction is 2 hours under 90 ℃ of temperature, obtain the coupling agent modified nano zine oxide-alcohol suspension with reactive group after the reaction, then filter, centrifugation filtrate obtains modified nano zinc oxide;
(2) glycerol is water-soluble, then add above-mentioned modified nano zinc oxide, ball-milling processing is 1 hour in ball mill, obtains the modified nano zinc oxide slurry;
(3) N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane is dissolved in the ethanol, be prepared into mass concentration and be 4% solution, join in the above-mentioned modified nano zinc oxide slurry, regulating the pH value with acetic acid or sodium-acetate is 4-5, ball-milling processing 2-3 hour again, obtain described water nano zinc oxide material.
Among the preparation method of described water nano zinc oxide material, the water in described nano zine oxide, glycerol, vinyl three ('beta '-methoxy oxyethyl group) silane and the step (2), the mass ratio of the ethanol in the step (3) are: nano zine oxide: glycerol: N-(β-aminoethyl)-γ-aminopropyl trimethoxy silicon: water: ethanol is the 10-15g:1-2g:2-4g:95-105 gram: the 95-105 gram.
The granularity of described nano zine oxide is 40-50nm.
A kind of preparation method who contains the metallic surface silane finish of HMPA may further comprise the steps:
(1) anilinomethyl triethoxysilane with above-mentioned weight part adds in the water of above-mentioned weight part 60-70%, fully adds the N-(β-aminoethyl) of above-mentioned weight part-γ-aminopropyltrimethoxysilane after the dissolving again, fully stirs, and gets compound A;
(2) get the 60-70% that remains water, add the water nano zinc oxide material of above-mentioned weight part, after fully stirring, the titanium tetrafluoride, HMPA, urea, the citric acid that add above-mentioned weight part fully stir, and get compound B;
(3) glycerine and the glycol ether with above-mentioned weight part mixes with remaining water, is heated to 40-50 ℃, then adds the azimidobenzene of above-mentioned weight part, is stirred to azimidobenzene and dissolves fully, gets compound C;
(4) compound A obtained above, B and C are mixed, then acetic acid or sodium-acetate, adjustings PH is 3-5, adds at last the ethylene glycol monobutyl ether of above-mentioned weight part, fully namely gets the described metallic surface silane finish that contains HMPA after the stirring.
Performance test:
Crooked viscosity:
Process the metal aluminium flake with silane surface treatment agent of the present invention, with crooked 60 degree of aluminium flake doubling, peel off curved part 3 times with adhesive tape, under the X20 magnifying glass, detect extent of exfoliation, as a result flawless; Process the metal aluminium flake with silane surface treatment agent of the present invention, aluminium flake was soaked in boiling water 1 hour, at room temperature placed 24 hours, then with crooked 60 degree of aluminium flake doubling, peel off curved part 3 times with adhesive tape, under the X20 magnifying glass, detect extent of exfoliation, as a result flawless;
Erosion resistance:
Process the steel plate galvanized metallic substance 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% the 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 (4)

1. a metallic surface silane finish that contains HMPA is characterized in that by the formulated mixed solution of following component, and the weight part (gram) of each component is in every liter of mixed solution:
Anilinomethyl triethoxysilane 35-45, N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane 35-45, water nano zinc oxide material 100-180, glycerine 3-4, glycol ether 2-3, ethylene glycol monobutyl ether 2-4, titanium tetrafluoride 2-3, stablizer HMPA 2-3, urea 2-3, citric acid 1-2, azimidobenzene 0.3-0.6, remaining be water;
The preparation method of described water nano zinc oxide material is:
(1) with the nano zine oxide ultra-sonic dispersion in its quality 5-10 dehydrated alcohol doubly, obtain dispersion liquid, then the dicumyl peroxide of its quality 3-4%, the anilinomethyl triethoxysilane of 1-2% are added in the above-mentioned dispersion liquid, under 80-90 ℃ of temperature back flow reaction 1-2 hour, obtain the coupling agent modified nano zine oxide-alcohol suspension with reactive group after the reaction, then filter, centrifugation filtrate obtains modified nano zinc oxide;
(2) glycerol is water-soluble, then add above-mentioned modified nano zinc oxide, in ball mill ball-milling processing 1-2 hour, obtain the modified nano zinc oxide slurry;
(3) N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane is dissolved in the ethanol, be prepared into the solution that mass concentration is 2-4%, join in the above-mentioned modified nano zinc oxide slurry, regulating the pH value with acetic acid or sodium-acetate is 4-5, ball-milling processing 2-3 hour again, obtain described water nano zinc oxide material.
2. a kind of metallic surface silane finish that contains HMPA according to claim 1, it is characterized in that, among the preparation method of described water nano zinc oxide material, the water in described nano zine oxide, glycerol, vinyl three ('beta '-methoxy oxyethyl group) silane and the step (2), the mass ratio of the ethanol in the step (3) are: nano zine oxide: glycerol: N-(β-aminoethyl)-γ-aminopropyl trimethoxy silicon: water: ethanol is the 10-15g:1-2g:2-4g:95-105 gram: the 95-105 gram.
3. a kind of metallic surface silane finish that contains HMPA according to claim 1, the granularity that it is characterized in that described nano zine oxide is 40-50nm.
4. preparation method who contains the metallic surface silane finish of HMPA as claimed in claim 1 is characterized in that may further comprise the steps:
(1) anilinomethyl triethoxysilane with above-mentioned weight part adds in the water of above-mentioned weight part 60-70%, fully adds the N-(β-aminoethyl) of above-mentioned weight part-γ-aminopropyltrimethoxysilane after the dissolving again, fully stirs, and gets compound A;
(2) get the 60-70% that remains water, add the water nano zinc oxide material of above-mentioned weight part, after fully stirring, the titanium tetrafluoride, HMPA, urea, the citric acid that add above-mentioned weight part fully stir, and get compound B;
(3) glycerine and the glycol ether with above-mentioned weight part mixes with remaining water, is heated to 40-50 ℃, then adds the azimidobenzene of above-mentioned weight part, is stirred to azimidobenzene and dissolves fully, gets compound C;
(4) compound A obtained above, B and C are mixed, then acetic acid or sodium-acetate, adjustings PH is 3-5, adds at last the ethylene glycol monobutyl ether of above-mentioned weight part, fully namely gets the described metallic surface silane finish that contains HMPA after the stirring.
CN201210550732.9A 2012-12-18 2012-12-18 A kind of Metal surface silane treatment agent containing HMPA and preparation method thereof Active CN103059727B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2624076A (en) * 2022-11-02 2024-05-08 Hitachi Ltd Metal surface treatment agent

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008062618A1 (en) * 2006-11-21 2008-05-29 Nihon Parkerizing Co., Ltd. Aqueous surface treatment for environment-friendly precoated metal materials, surface-treated metal materials, and environment-friendly precoated metal materials
CN101857755A (en) * 2010-06-30 2010-10-13 张俊锋 Emulsion paint coating surface water-repellent coating agent and preparation method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008062618A1 (en) * 2006-11-21 2008-05-29 Nihon Parkerizing Co., Ltd. Aqueous surface treatment for environment-friendly precoated metal materials, surface-treated metal materials, and environment-friendly precoated metal materials
CN101857755A (en) * 2010-06-30 2010-10-13 张俊锋 Emulsion paint coating surface water-repellent coating agent and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2624076A (en) * 2022-11-02 2024-05-08 Hitachi Ltd Metal surface treatment agent

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Denomination of invention: A metal surface silane treatment agent containing hexamethylphosphoramide and its preparation method

Granted publication date: 20160302

Pledgee: Wuhu Yangzi rural commercial bank Limited by Share Ltd.

Pledgor: ANHUI LIUFANG ZHONGLIAN MECHANICAL SHARE Co.,Ltd.

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