CN103122186B - Environment-friendly treating fluid for preventing steel rails from corrosion and steel rail corrosion prevention material - Google Patents
Environment-friendly treating fluid for preventing steel rails from corrosion and steel rail corrosion prevention material Download PDFInfo
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- CN103122186B CN103122186B CN201110369227.XA CN201110369227A CN103122186B CN 103122186 B CN103122186 B CN 103122186B CN 201110369227 A CN201110369227 A CN 201110369227A CN 103122186 B CN103122186 B CN 103122186B
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Abstract
The invention provides an environment-friendly treating fluid for preventing steel rails from corrosion. The treating fluid is obtained after mixing a raw material mixture uniformly, wherein the raw material mixture contains water soluble silicate, a silane coupling agent, silicon oxide fillers, a waterborne film-forming resin fluid and water; the silane coupling agent contains first silane derivatives and/or second silane derivatives shown in a formula (1) in the specification; the waterborne film-forming resin fluid contains a first waterborne film-forming resin fluid and a second waterborne film-forming resin fluid; the first waterborne film-forming resin fluid is waterborne fluorocarbon film-forming resin emulsion; and in the formula (1), R1, R2 and R3 are respectively methoxy or ethoxy, and n is an integer from 1 to 4. The invention also provides a steel rail corrosion prevention material. The treating fluid provided by the invention is simple in raw materials, is easy to prepare and convenient to apply, is economical and environment-friendly and has good corrosion prevention effect.
Description
Technical field
The present invention relates to anti-corrosion of metal field, particularly, relate to a kind of rail anticorrosion environment-friendly type treatment solution and the anticorrosion rail material of one.
Background technology
Rail in production, store, in transportation, directly contact with the corrosive medium in environment with outside air, electrochemical reaction can occur, especially the ships such as harbour, load outgoing and sea transport onto ship time, the corrosive medium Cl in easy and seawater
-, Na
+, Mg
2+, H
2there is redox reaction in O, makes Rail Surface occur serious red rust, affects outward appearance and the work-ing life of rail product.
Utilize zinc rich primer to carry out rail in prior art anticorrosion, zinc rich primer be there is sacrificial anode effect zinc powder as main rust-stabilising pigment, protect the steel substrate as negative electrode, because main component is zinc powder, cause the cost of this impregnating material too high; The good corrosion resistance of electro-galvanizing, hot-dip galvanizing sheet steel; current nearly all electro-galvanizing, hot-dip galvanizing sheet steel all have employed chromating process; but because in chromic salt, sexavalent chrome toxicity is high and carcinogenic, from preserving the ecological environment and the angle of human health, it is desirable to substitute chromating.
It is anticorrosion and improve surface conduction method that CN1580315A provides a kind of railway track, adopt high pressure gas that hard particles object height speed is ejected into firm track surface and form the upper layer with the oxide layer of roughness, melt molten for the metal alloy wire at the uniform velocity moved forward on rail surface by combustion method or arc process, the molten fusing point of metal alloy wire adds a high pressure gas nozzle, the alloy solution dissolved is sprayed on firm track surface, molten molten by arc process.Although the method process-cycle is short, it is light to equip, operational safety, surface-treated layer and firm track surface sticking power comparatively strong, complicated operation, the anticorrosion cost of alloy is still higher.
Summary of the invention
In order to overcome the problems referred to above, the invention provides a kind of raw material simple, easily, application is convenient in preparation, economic environmental protection and the anticorrosion environment-friendly type treatment solution of the good rail of preservative effect.
To achieve these goals, the invention provides the anticorrosion environment-friendly type treatment solution of a kind of rail, obtain after this rail anticorrosion environment-friendly type treatment solution is mixed by a kind of raw mixture, described raw mixture contains water-soluble silicate, silane coupling agent, cilicon oxide filler, aqueous film-forming resin liquid and water;
Described silane coupling agent contains such as formula the first silane derivative shown in (1) and/or the second silane derivative, and described second silane derivative is at least one in γ-aminopropyl triethoxysilane, γ-glycidyl ether oxygen propyl trimethoxy silicane, γ-methacryloxypropyl trimethoxy silane and N-2-aminoethyl-3-aminopropyl trimethoxysilane;
Described aqueous film-forming resin liquid contains the first aqueous film-forming resin liquid and the second aqueous film-forming resin liquid, described first aqueous film-forming resin liquid is water-based fluorocarbon film-forming resin emulsion, and described second aqueous film-forming resin liquid is at least another kind of aqueous film-forming resin liquid being different from described first aqueous film-forming resin liquid;
Wherein, R
1, R
2and R
3be methoxy or ethoxy separately, n is the integer of 1 to 4;
formula (1).
Present invention also offers a kind of anticorrosion rail material, this anticorrosion rail material comprises rail base material and is attached to the coating on this rail base material, and it is characterized in that, described coating is the cured product of the anticorrosion environment-friendly type treatment solution of rail as above.
By technique scheme, rail provided by the invention anticorrosion environment-friendly type treatment solution and anticorrosion rail material compared with prior art, have following beneficial effect:
The anticorrosion environment-friendly type treatment solution of rail provided by the invention is not containing Cr
6+, meet International Environmental Protection requirement; Raw material is simple, and preparation technology is simple to operation, and application is convenient, cost-saving; Anticorrosion rail material corrosion resisting property provided by the invention is good, maintains rail outward appearance, extends the work-ing life of rail.
Other features and advantages of the present invention are described in detail in embodiment part subsequently.
Embodiment
Below the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
According to the anticorrosion environment-friendly type treatment solution of rail provided by the invention, obtain after this rail anticorrosion environment-friendly type treatment solution is mixed by a kind of raw mixture, described raw mixture contains water-soluble silicate, silane coupling agent, cilicon oxide filler, aqueous film-forming resin liquid and water;
Described silane coupling agent contains such as formula the first silane derivative shown in (1) and/or the second silane derivative, and described second silane derivative is at least one in γ-aminopropyl triethoxysilane, γ-glycidyl ether oxygen propyl trimethoxy silicane, γ-methacryloxypropyl trimethoxy silane and N-2-aminoethyl-3-aminopropyl trimethoxysilane;
Described aqueous film-forming resin liquid contains the first aqueous film-forming resin liquid and the second aqueous film-forming resin liquid, described first aqueous film-forming resin liquid is water-based fluorocarbon film-forming resin emulsion, and described second aqueous film-forming resin liquid is at least another kind of aqueous film-forming resin liquid being different from described first aqueous film-forming resin liquid;
Wherein, R
1, R
2and R
3be methoxy or ethoxy separately, n is the integer of 1 to 4;
formula (1).
Wherein, this rail anticorrosion environment-friendly type treatment solution is obtain after described raw mixture mixes, and is comparatively stable and homogeneous liquid.Under preferable case, each component in described raw mixture mixes before use at the anticorrosion environment-friendly type treatment solution of this rail for 1-180 days.Wherein, the order by merging of each composition is not specially required, directly each component in described raw mixture can be carried out mixing simultaneously, in batches or step by step, as long as uniform stable phase can be obtained, make mixing more even preferably by stirring.
According to the anticorrosion environment-friendly type treatment solution of rail provided by the invention, wherein, relative to the described silane coupling agent of 100 weight parts, the content of described cilicon oxide filler is 10-150 weight part, is preferably 60-100 weight part.
Wherein, relative to the described silane coupling agent of 100 weight parts, the content of described water-soluble silicate is 1-50 weight part, is preferably 10-40 weight part.
Wherein, relative to the described silane coupling agent of 100 weight parts, the content of described aqueous film-forming resin liquid is 50-300 weight part, is preferably 100-180 weight part.
Wherein, relative to the described silane coupling agent of 100 weight parts, the content of water is 200-400 weight part, is preferably 250-350 weight part.
According to the anticorrosion environment-friendly type treatment solution of rail provided by the invention, wherein, such as formula in the first silane derivative shown in (1), preferred R
1, R
2and R
3in at least one be methoxyl group, or R
1, R
2and R
3in at least two be methoxyl group or R
1, R
2and R
3be methoxyl group; N can be 1,2,3 or 4; In order to improve the performance of the anticorrosion environment-friendly type treatment solution of described rail further, more preferably in situation, in the first silane derivative shown in formula (1), R
1, R
2and R
3be methoxyl group, n is 1,2,3 or 4, is more preferably 2.That is, the first silane derivative shown in formula (1) is 2-(3,4-epoxycyclohexyl) ethyl trimethoxy silane.
According to the anticorrosion environment-friendly type treatment solution of rail provided by the invention, wherein, in order to improve the performance of the anticorrosion environment-friendly type treatment solution of described rail further, under preferable case, described silane coupling agent is also containing the second silane derivative, and described second silane derivative is at least one in γ-aminopropyl triethoxysilane, γ-glycidyl ether oxygen propyl trimethoxy silicane, γ-methacryloxypropyl trimethoxy silane and N-2-aminoethyl-3-aminopropyl trimethoxysilane.
According to the anticorrosion environment-friendly type treatment solution of rail provided by the invention, wherein, in order to improve the performance of the anticorrosion environment-friendly type treatment solution of described rail further, under preferable case, described silane coupling agent contains the first silane derivative and the second silane derivative, and the weight ratio of described first silane derivative and described second silane derivative is 1: 0.1-0.4, more preferably 1: 0.2-0.3.
According to the anticorrosion environment-friendly type treatment solution of rail provided by the invention, wherein, described cilicon oxide filler does not have special requirement, can be the various fillers based on silicon oxide, and such as, described cilicon oxide filler can be nano-silica powder and/or silicon sol; Under preferable case, described cilicon oxide filler is silicon sol, and the silica concentration of described silicon sol is 25-30 % by weight, and median size is 10-30nm; The various water-soluble silicates that described water-soluble silicate can be known in the art, preferred water glass and/or potassium silicate.
Aqueous film-forming resin liquid of the present invention can be the aqueous film-forming resin emulsion with filming function well known by persons skilled in the art, the solution that also can be configured to for water-soluble film-forming resin.This solution can solution directly for being purchased, also can for obtain described water-soluble film-forming resin solution by being mixed with water by the water-soluble film-forming resin be purchased, and the consumption of water is as the criterion to make gained solution meet required solid content.Wherein the consumption of aqueous film-forming resin liquid is with the gauge of its emulsion or solution.
According to the anticorrosion environment-friendly type treatment solution of rail provided by the invention, described first aqueous film-forming resin liquid is preferably water-based fluorocarbon film-forming resin emulsion, its solid content is not specially required, can be commercially available various water-based fluorocarbon film-forming resin emulsions, in order to improve the performance of the anticorrosion environment-friendly type treatment solution of described rail further, the water-based fluorocarbon film-forming resin emulsion that preferred Oil repellent is greater than 10 % by weight.
When aqueous film-forming resin liquid of the present invention be the first aqueous film-forming resin liquid and water-based fluorocarbon film-forming resin emulsion time, the anticorrosion environment-friendly type treatment solution of the good rail of preservative effect can be obtained, but water-based fluorocarbon film-forming resin emulsion is expensive, significantly increase the cost for the treatment of solution.But, the present inventor studies and finds when described first aqueous film-forming resin liquid and comparatively cheap described second aqueous film-forming resin liquid conbined usage, the preservative effect of the anticorrosion environment-friendly type treatment solution of the rail of the present invention obtained is suitable with the effect being used alone the first aqueous film-forming resin liquid, and cost obviously reduces.So aqueous film-forming resin liquid of the present invention comprises the first aqueous film-forming resin liquid and the second aqueous film-forming resin liquid.
Described second aqueous film-forming resin liquid be the various water-baseds being different from described first aqueous film-forming resin liquid and can be used in the modification of film forming or at least one in unmodified resin or resin emulsion, be preferably water-soluble polyester film-forming resin (such as purchased from Guangzhou Lapo Fine Chemicals Co., Ltd., the vibrin of trade mark CB2200), water-based phenylpropyl alcohol film-forming resin emulsion is (such as purchased from Guangzhou Chao Long Chemical Industry Science Co., Ltd, the trade mark is the benzene emulsion of xy-108b), soluble epoxide film-forming resin is (such as purchased from Dongguan City Heima Chemical Co., Ltd., the trade mark is the epoxy resin of BH620), aqurous ployurethane film-forming resin is (such as purchased from Jinjiang, Fujian Province Jian Hua company, the urethane resin of the trade mark 812), water-based silicon third film-forming resin emulsion (make the country prosperous paint company TC-05 type organosilicon crylic acid latex by such as Qingdao, solid content is 48 % by weight) and water-soluble acrylic film-forming resin (trade mark such as purchased from Guangzhou Ou Peng chemical industry is the acrylic resin of A-3418) at least one.In order to improve the performance of the anticorrosion environment-friendly type treatment solution of described rail further, preferably, the solids content of described second aqueous film-forming resin liquid is 45-50 % by weight.
According to the anticorrosion environment-friendly type treatment solution of rail provided by the invention, wherein, in order to improve the performance of the anticorrosion environment-friendly type treatment solution of described rail further, described first aqueous film-forming resin liquid and described second aqueous film-forming resin liquid weight ratio are 1: 1-8, more preferably 1: 2-6.
Except containing except mentioned component, rail of the present invention anticorrosion environment-friendly type treatment solution can also contain other various component not affecting rail anticorrosion environment-friendly type treatment solution character, as one or more in dispersion agent and defoamer.With the gross weight of the anticorrosion environment-friendly type treatment solution of this rail for benchmark, the content of other component is no more than 20 % by weight, preferably more than 10 % by weight.Described defoamer can be various defoamer well known in the art, such as, in polyethers defoamer, higher alcohols, silicon defoamer and polyether-modified silicon etc. one or more.More particularly, described defoamer can for being purchased one or more in the SD-401 series defoamer of such as limited liability company of Dongying dan large Creative Science and Technology Co. Ltd.Under preferable case, with the total amount of the anticorrosion environment-friendly type treatment solution of described rail for benchmark, the content of described defoamer is 0.01-0.05 % by weight.
According to the anticorrosion environment-friendly type treatment solution of rail of the present invention, wherein, the solid content of the anticorrosion environment-friendly type treatment solution of described rail is 30-45 % by weight, described solid becomes the composition of corrosion prevention film after being divided into the anticorrosion environment-friendly type treatment solution of described rail to be coated in Rail Surface drying, the solid content of the anticorrosion environment-friendly type treatment solution of described rail, within the scope of this, applies the corrosion protection coating that formed more evenly and easily solidify.
According to anticorrosion rail material provided by the invention, this anticorrosion rail material comprises rail base material and is attached to the coating on this rail base material, and it is characterized in that, described coating is the cured product of the anticorrosion environment-friendly type treatment solution of rail as above.
According to anticorrosion rail material provided by the invention, wherein, the thickness of described coating can be the general thickness of the corrosion protection coating on anticorrosive steel rail material, in order to improve the performance of described coating, under preferable case, the thickness of described coating is 3-10 micron, is preferably 4-6 micron.Described coat-thickness, within the scope of this, both can make rete reach the effect of erosion resistance protection, and unlikely rete is too thick again occurs be full of cracks defect when solidifying.
According to anticorrosion rail material provided by the invention, wherein, the method that rail base material adheres to described coating can comprise and is attached on the surface of rail base material by anticorrosion for described rail environment-friendly type treatment solution, then dry, dry temperature can be 40-50 DEG C, and the time can be 120-180 second.The mode of described rail anticorrosion environment-friendly type treatment solution coating rail substrate surface can be any one mode well known by persons skilled in the art, such as, can be abnormal-shaped roller roller coat application pattern or spray application pattern.The consumption of the anticorrosion environment-friendly type treatment solution of described rail can be determined according to the thickness of coating.
Wherein, the method for described drying can be one or more in Air drying, warm air drying or the seasoning of rail waste heat.
Rail provided by the invention anticorrosion environment-friendly type treatment solution may be used for the rail of various model.
Below will be described the present invention by embodiment.
Embodiment 1
By silane coupling agent (the first silane derivative (2-(3 of 100 weight parts, 4-epoxycyclohexyl) ethyl trimethoxy silane, purchased from Hubei De Bang Fine Chemical Co., Ltd) be mixed to get by weight 1: 0.25 with the second silane derivative (γ-glycidyl ether oxygen propyl trimethoxy silicane, purchased from Hubei De Bang Fine Chemical Co., Ltd)), the water-soluble silicate (Na of 10 weight parts
2siO
3), cilicon oxide filler (the silicon sol of 30 % by weight of 80 weight parts, median size 10-20nm, purchased from American GE company), (water-based fluorocarbon film-forming resin emulsion is (purchased from Guangzhou Zhuo Neng trade Co., Ltd for the aqueous film-forming resin liquid of 180 weight parts, the trade mark is SEMF-20, Oil repellent is 20 % by weight) (make the country prosperous paint company TC-05 type organosilicon crylic acid latex in Qingdao with water-based silicon third film-forming resin emulsion, solids content is 48 % by weight) be mixed to get by weight 1: 6) and the water of 300 weight parts, be mixed to evenly under the stirring velocity of 1500 revs/min, obtain the anticorrosion environment-friendly type treatment solution of rail of the present embodiment.
Embodiment 2
By silane coupling agent (the first silane derivative (2-(3 of 100 weight parts, 4-epoxycyclohexyl) ethyl trimethoxy silane, purchased from Hubei De Bang Fine Chemical Co., Ltd) be mixed to get by weight 1: 0.2 with the second silane derivative (γ-aminopropyl triethoxysilane, purchased from Hubei De Bang Fine Chemical Co., Ltd)), the water-soluble silicate (K of 25 weight parts
2siO
3), the cilicon oxide filler (silicon sol of 30 % by weight of 100 weight parts, median size 10-20nm, purchased from American GE company), (water-based fluorocarbon film-forming resin emulsion is (purchased from Guangzhou Zhuo Neng trade Co., Ltd for the aqueous film-forming resin liquid of 140 weight parts, the trade mark is SEMF-20, and Oil repellent is 20 % by weight) (trade mark purchased from Guangzhou Ou Peng chemical industry is the acrylic resin of A-3418 with water-soluble acrylic film-forming resin solution; Solids content is 48 % by weight) be mixed to get by weight 1: 4) and the water of 250 weight parts, be mixed to even under the stirring velocity of 1500 revs/min, obtain the anticorrosion environment-friendly type treatment solution of rail of the present embodiment.
Embodiment 3
By silane coupling agent (the first silane derivative (2-(3 of 100 weight parts, 4-epoxycyclohexyl) ethyl trimethoxy silane, purchased from Hubei De Bang Fine Chemical Co., Ltd) be mixed to get by weight 1: 0.3 with the second silane derivative (γ-methacryloxypropyl trimethoxy silane, purchased from Hubei De Bang Fine Chemical Co., Ltd)), the water-soluble silicate (Na of 40 weight parts
2siO
3), the cilicon oxide filler (silicon sol of 30 % by weight of 60 weight parts, median size 10-20nm, purchased from American GE company), (water-based fluorocarbon film-forming resin emulsion is (purchased from Guangzhou Zhuo Neng trade Co., Ltd for the aqueous film-forming resin liquid of 100 weight parts, the trade mark is SEMF-20, Oil repellent is 20 % by weight) and aqurous ployurethane film-forming resin solution (purchased from Jinjiang, Fujian Province Jian Hua company, the urethane resin of the trade mark 812; Solids content is 45 % by weight) be mixed to get by weight 1: 2) and the water of 350 weight parts, be mixed to even under the stirring velocity of 1500 revs/min, obtain the anticorrosion environment-friendly type treatment solution of rail of the present embodiment.
Embodiment 4
The anticorrosion environment-friendly type treatment solution of rail is prepared according to the method for embodiment 1, unlike, do not add the second silane derivative.
Comparative example 1
The anticorrosion environment-friendly type treatment solution of rail is prepared according to the method for embodiment 1, unlike, (water-based fluorocarbon film-forming resin emulsion is (purchased from Guangzhou Zhuo Neng trade Co., Ltd for the aqueous film-forming resin liquid of 180 weight parts, the trade mark is SEMF-20, Oil repellent is 20 % by weight) (make the country prosperous paint company TC-05 type organosilicon crylic acid latex in Qingdao with water-based silicon third film-forming resin emulsion, solids content is 48 % by weight) be mixed to get by weight 1: 6) by the aqueous film-forming resin liquid of 180 weight parts, ((trade mark purchased from Guangzhou Ou Peng chemical industry is the acrylic resin of A-3418 to water-soluble acrylic film-forming resin solution, solids content is 48 % by weight) be mixed to get by weight 1: 6 with water-based silicon third film-forming resin emulsion (Qingdao make the country prosperous paint company TC-05 type organosilicon crylic acid latex, solids content is 48 % by weight)) replace.
Comparative example 2
The anticorrosion environment-friendly type treatment solution of rail is prepared according to the method for embodiment 1, unlike, (water-based fluorocarbon film-forming resin emulsion is (purchased from Guangzhou Zhuo Neng trade Co., Ltd for the aqueous film-forming resin liquid of 180 weight parts, the trade mark is SEMF-20, Oil repellent is 20 % by weight) (make the country prosperous paint company TC-05 type organosilicon crylic acid latex in Qingdao with water-based silicon third film-forming resin emulsion, solids content is 48 % by weight) be mixed to get by weight 1: 6) by the aqueous film-forming resin liquid of 180 weight parts, (water-based fluorocarbon film-forming resin emulsion is (purchased from Guangzhou Zhuo Neng trade Co., Ltd, the trade mark is SEMF-20, Oil repellent is 20 % by weight)) replace.
Preparation embodiment
The anticorrosion environment-friendly type treatment solution of the rail that Example 1-4 and comparative example 1-2 obtains is coated on the rail of 70kg/m respectively (purchased from Pangang Group Panzhihua Steel Vanadium Co., Ltd., model PG4) surface, dry 180 seconds of rail waste heat at 40-50 DEG C, obtains the rail 1-6 after processing.Wherein, coating amount makes the thickness of the coating on rail 1-6 be 5 microns.The thickness of coating is the numerical value measured with XRF (fluorescence spectrophotometer) survey meter.
Testing example
By the requirement of regulation in GB/T 10,125 1997, carry out neutral salt spray test, measure the corrosion resistance nature of the rail in the rail 1-6 in preparation embodiment, test result is as shown in table 1.
Table 1
| Embodiment is numbered | Erosion resistance |
| Embodiment 1 | Red rust is there is after 73 hours |
| Comparative example 1 | Red rust is there is after 68 hours |
| Comparative example 2 | Red rust is there is after 74 hours |
| Embodiment 2 | Red rust is there is after 75 hours |
| Embodiment 3 | Red rust is there is after 72 hours |
| Embodiment 4 | Red rust is there is after 70 hours |
Visible according to the data of table 1, the anticorrosion environment-friendly type treatment solution of rail provided by the invention well improves the corrosion resistance nature of rail.
Further, when preferred described silane coupling agent contains described first silane derivative and described second silane derivative, can improve the corrosion resistance nature of the anticorrosion environment-friendly type treatment solution of described rail further, the corrosion-resistant time is longer.
And, when described first aqueous film-forming resin liquid and described second aqueous film-forming resin liquid conbined usage, the preservative effect of the rail of the present invention anticorrosion environment-friendly type treatment solution obtained is suitable with the effect being used alone expensive first aqueous film-forming resin liquid.
More than describe the preferred embodiment of the present invention in detail; but the present invention is not limited to the detail in above-mentioned embodiment, within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible array mode.
In addition, also can carry out arbitrary combination between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (9)
1. the anticorrosion environment-friendly type treatment solution of rail, obtain after this rail anticorrosion environment-friendly type treatment solution is mixed by a kind of raw mixture, described raw mixture contains water-soluble silicate, silane coupling agent, cilicon oxide filler, aqueous film-forming resin liquid and water;
Described silane coupling agent contains such as formula the first silane derivative shown in (1) and the second silane derivative, and the weight ratio of described first silane derivative and described second silane derivative is 1:0.1-0.4, described second silane derivative is at least one in γ-aminopropyl triethoxysilane, γ-glycidyl ether oxygen propyl trimethoxy silicane, γ-methacryloxypropyl trimethoxy silane and N-2-aminoethyl-3-aminopropyl trimethoxysilane;
Described aqueous film-forming resin liquid contains the first aqueous film-forming resin liquid and the second aqueous film-forming resin liquid, described first aqueous film-forming resin liquid is water-base fluorocarbon emulsion, and described second aqueous film-forming resin liquid is at least another kind of aqueous film-forming resin liquid being different from described first aqueous film-forming resin liquid;
Relative to the described silane coupling agent of 100 weight parts, the content of described cilicon oxide filler is 10-150 weight part, the content of described water-soluble silicate is 1-50 weight part, and the content of described aqueous film-forming resin liquid is 50-300 weight part, and the content of water is 200-400 weight part; The weight ratio of described first aqueous film-forming resin liquid and described second aqueous film-forming resin liquid is 1:1-8;
Wherein, R
1, R
2and R
3be methoxy or ethoxy separately, n is the integer of 1 to 4.
2. the anticorrosion environment-friendly type treatment solution of rail according to claim 1, wherein, relative to the described silane coupling agent of 100 weight parts, the content of described cilicon oxide filler is 60-100 weight part, the content of described water-soluble silicate is 10-40 weight part, the content of described aqueous film-forming resin liquid is 100-180 weight part, and the content of water is 250-350 weight part.
3. the anticorrosion environment-friendly type treatment solution of rail according to claim 1 and 2, wherein, R
1, R
2and R
3be methoxyl group, n is 2.
4. the anticorrosion environment-friendly type treatment solution of rail according to claim 1 and 2, wherein, described cilicon oxide filler is nano-silica powder and/or silicon sol, and described water-soluble silicate is water glass and/or potassium silicate.
5. the anticorrosion environment-friendly type treatment solution of rail according to claim 1 and 2, wherein, described second aqueous film-forming resin liquid is at least one of water-soluble polyester film-forming resin liquid, water-based phenylpropyl alcohol film-forming resin emulsion, soluble epoxide film-forming resin liquid, aqurous ployurethane film-forming resin liquid, water-based silicon third film-forming resin emulsion and water-soluble acrylic film-forming resin liquid.
6. the anticorrosion environment-friendly type treatment solution of rail according to claim 1 and 2, wherein, the amount of solid content of the anticorrosion environment-friendly type treatment solution of described rail is 30-45 % by weight, and described solid part is the composition becoming corrosion prevention film after the anticorrosion environment-friendly type treatment solution of described rail is coated in Rail Surface drying.
7. an anticorrosion rail material, this anticorrosion rail material comprises rail base material and is attached to the coating on this rail base material, and it is characterized in that, described coating is the cured product of the anticorrosion environment-friendly type treatment solution of the rail in claim 1-6 described in any one.
8. anticorrosion rail material according to claim 7, wherein, the thickness of described coating is 3-10 micron.
9. the anticorrosion rail material according to claim 7 or 8, wherein, the method that rail adheres to described coating comprises and is attached on the surface of rail by anticorrosion for described rail environment-friendly type treatment solution, then dry, dry temperature is 40-50 DEG C, and the time is 120-180 second.
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| CN107987633A (en) * | 2017-11-22 | 2018-05-04 | 攀企蓉城实业有限责任公司 | Special-purpose aqueous protective coating of rail and preparation method and application |
| CN114181619B (en) * | 2021-11-30 | 2022-09-16 | 山东龙港硅业科技有限公司 | Water-based fluorine-silicon heavy-duty anticorrosive and antifouling paint and preparation method and application thereof |
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