CN103360831A - Metal protective paint and application thereof, and hot-dip metal material - Google Patents

Metal protective paint and application thereof, and hot-dip metal material Download PDF

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Publication number
CN103360831A
CN103360831A CN2012100918279A CN201210091827A CN103360831A CN 103360831 A CN103360831 A CN 103360831A CN 2012100918279 A CN2012100918279 A CN 2012100918279A CN 201210091827 A CN201210091827 A CN 201210091827A CN 103360831 A CN103360831 A CN 103360831A
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water
soluble
forming resin
weight part
film
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CN103360831B (en
Inventor
许哲峰
梅东生
陈永
徐权
郭太雄
娄燕
周一林
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Pangang Group Panzhihua Iron and Steel Research Institute Co Ltd
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Pangang Group Panzhihua Iron and Steel Research Institute Co Ltd
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Abstract

The invention provides a metal protective paint which is prepared by uniformly mixing a raw material mixture, wherein the raw material mixture contains water-soluble silicate, silicon oxide filler, accelerator, water-soluble film-forming resin, thiopropyl silane coupling agent and water; and the accelerator is polyethylene wax water-based emulsion and/or oxidized polyethylene wax water-based emulsion. The invention also discloses application of the metal protective paint in preparation of metal materials. The invention also provides a hot-dip metal material which comprises a hot-dip metal substrate and a coating attached to the hot-dip metal substrate, wherein the coating is the cured product of the metal protective paint. The protective film formed by the metal protective paint provided by the invention has very excellent corrosion resistance, water resistance, heat resistance and fingerprint resistance.

Description

A kind of metal protection coating and uses thereof and hot-dip metal plated material
Technical field
The present invention relates to the metal protection field, particularly, relate to a kind of metal protection coating, the purposes of this metal protection coating and a kind of hot-dip metal plated material.
Background technology
Hot-dip metal plated material comprises hot-dip galvanized metal material and hot-dip aluminizing zinc metallic substance, in order to prevent corrosion, and all can be at the surface of hot-dip metal plated material coating layer of metal protective coating to form protective film.Thereby the performance of metal protection coating is very important for the rust protection of hot-dip metal plated material.
For example, CN101608306A discloses a kind of passivating solution, also belongs to a kind of metal protection coating, it is characterized in that, this passivating solution is the aqueous solution that contains water-soluble molybdenum compound, boric acid, water soluble organic substance and silicon sol, and wherein, described water soluble organic substance is the mixture of pure and mild organic carboxyl acid.
But the solidity to corrosion, water tolerance, thermotolerance and the anti-finger printing that experiment showed, the protective film that this metal protection coating forms are still relatively poor.
Summary of the invention
The objective of the invention is to overcome the relatively poor defective of solidity to corrosion, water tolerance, thermotolerance and anti-finger printing of the protective film that existing metal protection coating forms, provide a kind of and can form the preferably metal protection coating of protective film of solidity to corrosion, water tolerance, thermotolerance and anti-finger printing.
To achieve these goals, the invention provides a kind of metal protection coating, this metal protection coating obtains after being mixed by a kind of raw mix, and described raw mix contains water-soluble silicate, cilicon oxide filler, promotor, water-soluble film-forming resin, mercapto propyl silane coupling agent and water; Described promotor is the water-based emulsion of polyethylene wax and/or the water-based emulsion of oxidized polyethlene wax; Described mercapto propyl silane coupling agent is HS (CH 2) 3Si (OCH 3) 3And/or HS (CH 2) 3Si (OC 2H 5) 3
The present invention also provides the purposes of above-mentioned metal protection coating in the preparation metallic substance.
The present invention also provides a kind of hot-dip metal plated material, this hot-dip metal plated material comprises hot-dip metal plated base material and the coating that is attached on this hot-dip metal plated base material, described hot-dip metal plated base material is pot galvanize metal base and/or hot-dip aluminizing zinc metal base, it is characterized in that described coating is the cured product of aforesaid metal protection coating.
By technique scheme, solidity to corrosion, water tolerance, thermotolerance and the anti-finger printing of the protective film that metal protection coating provided by the invention forms are all very good.And the lubricity of the protective film that metal protection coating provided by the invention forms is excellent especially.
Other features and advantages of the present invention will partly be described in detail in embodiment subsequently.
Embodiment
Below the specific embodiment of the present invention is elaborated.Should be understood that embodiment described herein only is used for description and interpretation the present invention, is not limited to the present invention.
According to metal protection coating provided by the invention, wherein, this metal protection coating obtains after being mixed by a kind of raw mix, and described raw mix contains water-soluble silicate, cilicon oxide filler, promotor, water-soluble film-forming resin, mercapto propyl silane coupling agent and water; Described promotor is the water-based emulsion of polyethylene wax and/or the water-based emulsion of oxidized polyethlene wax; Described mercapto propyl silane coupling agent is HS (CH 2) 3Si (OCH 3) 3And/or HS (CH 2) 3Si (OC 2H 5) 3
Wherein, HS (CH 2) 3Si (OCH 3) 3Be called the 3-mercaptopropyl trimethoxysilane, HS (CH 2) 3Si (OC 2H 5) 3Be called the 3-mercaptopropyltriethoxysilane, can be used as silane coupling agent, the commodity shown in the commercially available various above-mentioned chemical formula that can be used as silane coupling agent may be used to the present invention.
Wherein, this metal protection coating is to obtain after described raw mix mixes, and is the liquid of comparatively stable and homogeneous.Under the preferable case, each component in the described raw mix mixed before use at this metal protection coating in 1-180 days.Wherein, the order by merging of each composition is not had special requirement, can directly each component in the described raw mix be carried out simultaneously, in batches or substep mix, as long as can obtain uniform stable phase, preferably make mixing more even by stirring.
According to metal protection coating provided by the invention, wherein, with respect to the described water-soluble silicate of 1 weight part, the consumption of described mercapto propyl silane coupling agent can be the 0.5-4.5 weight part, is preferably the 1.4-1.8 weight part.
Wherein, with respect to the described water-soluble silicate of 1 weight part, the content of described promotor can be the 0.2-1.8 weight part, is preferably the 0.5-0.7 weight part.
Wherein, with respect to the described water-soluble silicate of 1 weight part, the consumption of described cilicon oxide filler can be the 0.25-2.2 weight part, is preferably the 0.6-0.85 weight part.
Wherein, with respect to the described water-soluble silicate of 1 weight part, in solid, the consumption of described water-soluble film-forming resin can be the 0.8-6.8 weight part, is preferably the 2.1-2.7 weight part.Herein solid be used for to calculate or the solid implication of expression solid content identical, be remaining composition after the water-soluble film-forming resin desolventizing.
Wherein, with respect to the described water-soluble silicate of 1 weight part, the consumption of water is the 10-100 weight part, is preferably the 25-40 weight part.Need to prove that the consumption of said water refers to the amount of the water that adds in addition among the present invention, do not comprise in above-mentioned other component of adding with solution or emulsion mode with the amount of water.
According to metal protection coating provided by the invention, wherein, in order further to improve the performance of described metal protection coating, under the preferable case, described mercapto propyl silane coupling agent is HS (CH 2) 3Si (OC 2H 5) 3
According to metal protection coating provided by the invention, wherein, described water-soluble silicate can be water glass and/or potassium silicate.
According to metal protection coating provided by the invention, wherein, the water-based emulsion of described polyethylene wax can be the water-based emulsion that obtains after with polyethylene wax emulsification according to ordinary method, and the solid content of the water-based emulsion of described polyethylene wax can be the 30-60 % by weight, is preferably the 40-50 % by weight.Need to prove that the water-based emulsion of polyethylene wax is when being used for preparing metal protection coating provided by the invention, its consumption refers to that the gross weight of water-based emulsion multiply by the numerical value that obtains behind its solid content.
Wherein, the fusing point of the polyethylene wax in the water-based emulsion of described polyethylene wax can be 90-130 ℃, is preferably 100-120 ℃, more preferably 105-115 ℃.
According to metal protection coating provided by the invention, wherein, the water-based emulsion of described oxidized polyethlene wax can be the water-based emulsion that obtains after with oxidized polyethlene wax emulsification according to ordinary method, the solid content of the water-based emulsion of described oxidized polyethlene wax can be the 30-60 % by weight, is preferably the 40-50 % by weight.Need to prove that the water-based emulsion of oxidized polyethlene wax is when being used for preparing metal protection coating provided by the invention, its consumption refers to that the gross weight of water-based emulsion multiply by the numerical value that obtains behind its solid content.
Wherein, the fusing point of the oxidized polyethlene wax in the water-based emulsion of described oxidized polyethlene wax can be 80-120 ℃, is preferably 90-115 ℃, more preferably 100-110 ℃.
Need to prove, do not do among the present invention in the situation of opposite explanation that the fusing point of polyethylene wax and oxidized polyethlene wax refers to the numerical value according to the mensuration of GB/T 2539-2008 petroleum wax fusing point-cooling curve method mensuration.
Wherein, the acid number of the oxidized polyethlene wax in the water-based emulsion of described oxidized polyethlene wax can be 5-60mgKOH/g, is preferably 10-50mgKOH/g.Wherein, described acid number is the numerical value of measuring according to GB/T 264-83 petroleum product acid value measuring method.
According to metal protection coating provided by the invention, wherein, described cilicon oxide filler does not have special requirement, can be the various fillers take silicon oxide as main body, and for example, described cilicon oxide filler can be nano-silica powder and/or silicon sol; Under the preferable case, described cilicon oxide filler is nano-silica powder, and the particle diameter of described nano-silica powder can be 10-90nm.
According to metal protection coating provided by the invention, wherein, described water-soluble film-forming resin can be for various water miscible and can be used in modification or the unmodified resin of film forming, described resin can use with suitable goods form, water-soluble emulsion for example, at least a in water-soluble solution and the water-soluble solid, the present invention does not have special requirement, as long as the film forming of can be used in, for example, described water-soluble film-forming resin can be the water-soluble polyester film-forming resin (water-soluble film-forming resin that is namely got by polyalcohols monomer and polynary acids monomer polymerization, for example available from Guangzhou Lapo Fine Chemicals Co., Ltd., the vibrin of trade mark CB2200), water-soluble phenylpropyl alcohol film-forming resin (namely by styrene monomer and vinylformic acid (ester) class monomer polymerization and water-soluble film-forming resin, for example available from the super imperial Chemical Industry Science Co., Ltd in Guangzhou, the trade mark is the benzene emulsion of xy-108b), soluble epoxide film-forming resin (the water-soluble film-forming resin that is namely got by the monomer polymerization that contains epoxy group(ing), for example available from Dongguan City Heima Chemical Co., Ltd., the trade mark is the Resins, epoxy of BH620), the aqurous ployurethane film-forming resin (namely by multicomponent isocyanate class monomer and multi-hydroxy compounds monomer polymerization and water-soluble film-forming resin, for example build Hua company available from Jinjiang, Fujian Province, the urethane resin of the trade mark 812), water-soluble silicon the third film-forming resin (namely by silicone based monomer and vinylformic acid (ester) class monomer polymerization and water-soluble film-forming resin, the Qingdao paint company TC-05 type organosilicon crylic acid latex of making the country prosperous for example, solid content is 48 % by weight), water-soluble acrylic film-forming resin (the water-soluble film-forming resin that is namely got by vinylformic acid (ester) class monomer polymerization, for example the trade mark available from Guangzhou Ou Peng chemical industry is the acrylic resin of A-3418) and the water-soluble fluorine carbon film-forming resin (water-soluble film-forming resin that is namely got by the fluorinated monomer polymerization, for example available from Beijing Shouchuang Nano Techn Co., Ltd., the trade mark is the water-base fluorocarbon emulsion of SKFT-I) at least a; Under the preferable case, described water-soluble film-forming resin is at least a in water-soluble phenylpropyl alcohol film-forming resin, soluble epoxide film-forming resin, water-soluble silicon the third film-forming resin, water-soluble acrylic film-forming resin, aqurous ployurethane film-forming resin and the water-soluble polyester film-forming resin.
Except containing mentioned component, metal protection coating of the present invention can also contain other various components that do not affect the metal protection coating property, such as in dyestuff, pigment, dispersion agent and the defoamer one or more.Take the gross weight of this metal protection coating as benchmark, the content of other component is no more than 20 % by weight, preferably is no more than 10 % by weight.Described defoamer can be various defoamer well known in the art, such as in polyethers defoamer, higher alcohols defoamer and the silicon defoamer etc. one or more.More particularly, described defoamer can be for being purchased in the SD-401 of limited liability company of the large Creative Science and Technology Co. Ltd of Dongying dan for example series defoamer one or more.Under the preferable case, take the total amount of described metal protection coating as benchmark, the content of described defoamer is the 0.01-0.05 % by weight.
Metal protection coating of the present invention need not dilution and can directly use.
The present invention also provides the purposes of above-mentioned metal protection coating in the preparation metallic substance.Above-mentioned metal protection coating can be in the mode of this area routine for the preparation of various metallic substance.
According to hot-dip metal plated material provided by the invention, this hot-dip metal plated material comprises pot galvanize metal base and the coating that is attached on this hot-dip metal plated base material, described hot-dip metal plated base material is pot galvanize metal base and/or hot-dip aluminizing zinc metal base, it is characterized in that described coating is the cured product of aforesaid metal protection coating.
Wherein, described pot galvanize metal base can be for containing the metal base of zinc coating, and in the described zinc coating, the content of zinc can be the 92.5-95.5 % by weight.Described zinc coating also can contain other conventional ingredient, such as silicon.
Wherein, described hot-dip aluminizing zinc metallic substance can be for containing the metal base of zinc-aluminium coating, and in the described zinc-aluminium coating, the content of zinc can be the 41.5-43.5 % by weight, and the content of aluminium can be the 51.5-55.0 % by weight.Described zinc-aluminium coating also can contain other conventional ingredient, such as silicon.
According to hot-dip metal plated material provided by the invention, wherein, the thickness of described coating can be the conventional thickness of the erosion shield on the hot-dip metal plated base material, in order to improve the performance of described coating, under the preferable case, the thickness of described coating is the 0.05-2 micron, preferably can be the 0.1-1 micron.
According to hot-dip metal plated material provided by the invention, wherein, the method of adhering to described coating at hot-dip metal plated base material can comprise described metal protection coating is attached on the surface of hot-dip metal plated base material, then dry, dry temperature can be 60-120 ℃, be preferably 90-110 ℃, the time can be 0.5-3 second.The consumption of described metal protection coating can be determined according to the thickness of coating.
Wherein, the method for described drying can be in warm air drying, induction heating and the infrared radiation heating one or more.
Among the present invention, do not do in the situation of opposite explanation, the volume of all liquid and solid all refers to 20 ℃, the volume that 1 standard atmosphere is depressed.
Below will be explained in further detail the present invention by embodiment.
Embodiment 1
Water-soluble silicate (water glass with 1 weight part, moisten rich Industrial Co., Ltd. available from Baoding), (water-based emulsion of polyethylene wax and the water-based emulsion of oxidized polyethlene wax obtain after mixing by weight 1: 1 for the promotor of 0.6 weight part, the water-based emulsion of polyethylene wax is available from the grand wide plastic material of Dongguan City business department, solid content is 48 % by weight, and the fusing point of polyethylene wax is 110-115 ℃; The water-based emulsion of oxidized polyethlene wax is available from hat special wax company limited in Beijing, and solid content is 48 % by weight, and the fusing point of oxidized polyethlene wax is 105-110 ℃, and acid number is 14-21mgKOH/g), the mercapto propyl silane coupling agent (HS (CH of 1.6 weight parts 2) 3Si (OC 2H 5) 3(available from Hubei Li Meida fluosilicic Science and Technology Ltd., trade mark LMD-81)), the cilicon oxide filler (nano-silica powder of 0.72 weight part, available from U.S. GE company, RNS-E, mean particle size 20nm), the water-soluble film-forming resin of 2.4 weight parts (in solid) (water-soluble silicon the third film-forming resin (Qingdao paint company TC-05 type organosilicon crylic acid latex of making the country prosperous, solid content is 48 % by weight)) and the water of 28 weight parts, under 1500 rev/mins stirring velocity, be mixed to evenly, obtain the metal protection coating of present embodiment.
Comparative Examples 1
Method according to embodiment 1 prepares metal protection coating, and different is to replace HS (CH with aminopropyl triethoxysilane (available from Hubei Li Meida fluosilicic Science and Technology Ltd., trade mark LMD-1100) 2) 3Si (OC 2H 5) 3
Comparative Examples 2
Method according to embodiment 1 prepares metal protection coating, and different is not add promotor.
Comparative Examples 3
Method according to embodiment 1 prepares metal protection coating, and different is not add water-soluble silicate.
Comparative Examples 4
Method according to embodiment 1 prepares metal protection coating, and different is not add cilicon oxide filler.
Embodiment 2
Water-soluble silicate (potassium silicate with 1 weight part, moisten rich Industrial Co., Ltd. available from Baoding), the promotor (water-based emulsion of oxidized polyethlene wax of 0.5 weight part, available from hat special wax company limited in Beijing, solid content is 48 % by weight, the fusing point of oxidized polyethlene wax is 100-105 ℃, and acid number is 17-26mgKOH/g), the mercapto propyl silane coupling agent (HS (CH of 1.4 weight parts 2) 3Si (OC 2H 5) 3(available from Hubei Li Meida fluosilicic Science and Technology Ltd., trade mark LMD-81)), the cilicon oxide filler (nano silicon of 0.6 weight part, available from U.S. GE company, RNS-E, mean particle size 20nm), the water of the water-soluble film-forming resin of 2.1 weight parts (take solid) (water-soluble acrylic film-forming resin (available from the trade mark of the Guangzhou Ou Peng chemical industry acrylic resin as A-3418)) and 25 weight parts, under 1500 rev/mins stirring velocity, be mixed to evenly, obtain the metal protection coating of present embodiment.
Embodiment 3
Water-soluble silicate (water glass with 1 weight part, moisten rich Industrial Co., Ltd. available from Baoding), the promotor (water-based emulsion of polyethylene wax of 0.7 weight part, available from the grand wide plastic material of Dongguan City business department, solid content is 48 % by weight, and the fusing point of polyethylene wax is 105-110 ℃), the mercapto propyl silane coupling agent (HS (CH of 1.8 weight parts 2) 3Si (OC 2H 5) 3(available from Hubei Li Meida fluosilicic Science and Technology Ltd., trade mark LMD-81)), the cilicon oxide filler of the 0.85 weight part (silicon sol of 30 % by weight, usage quantity is in solid), (the aqurous ployurethane film-forming resin (is built Hua company available from Jinjiang, Fujian Province for the water-soluble film-forming resin of 2.7 weight parts (in solid), and the water of 40 weight parts the urethane resin of the trade mark 812)), under 1500 rev/mins stirring velocity, be mixed to evenly, obtain the metal protection coating of present embodiment.
Embodiment 4
Water-soluble silicate (water glass with 1 weight part, moisten rich Industrial Co., Ltd. available from Baoding), (water-based emulsion of polyethylene wax and the water-based emulsion of oxidized polyethlene wax obtain after mixing by weight 1: 1 for the promotor of 0.3 weight part, the water-based emulsion of polyethylene wax is available from the grand wide plastic material of Dongguan City business department, solid content is 48 % by weight, and the fusing point of polyethylene wax is 110-115 ℃; The water-based emulsion of oxidized polyethlene wax is available from hat special wax company limited in Beijing, solid content is 48 % by weight, the fusing point of oxidized polyethlene wax is 105-110 ℃, and acid number is 14-21mgKOH/g)), the mercapto propyl silane coupling agent (HS (CH of 0.6 weight part 2) 3Si (OC 2H 5) 3(available from Hubei Li Meida fluosilicic Science and Technology Ltd., trade mark LMD-81)), the cilicon oxide filler (nano-silica powder of 2.1 weight parts, available from U.S. GE company, RNS-E, mean particle size 20nm), the water-soluble film-forming resin of 6.5 weight parts (in solid) (water-soluble silicon the third film-forming resin (Qingdao paint company TC-05 type organosilicon crylic acid latex of making the country prosperous, solid content is 48 % by weight)) and the water of 90 weight parts, under 1500 rev/mins stirring velocity, be mixed to evenly, obtain the metal protection coating of present embodiment.
Embodiment 5
Water-soluble silicate (water glass with 1 weight part, moisten rich Industrial Co., Ltd. available from Baoding), (water-based emulsion of polyethylene wax and the water-based emulsion of oxidized polyethlene wax obtain after mixing by weight 1: 1 for the promotor of 1.7 weight parts, the water-based emulsion of polyethylene wax is available from the grand wide plastic material of Dongguan City business department, solid content is 48 % by weight, and the fusing point of polyethylene wax is 110-115 ℃; The water-based emulsion of oxidized polyethlene wax is available from hat special wax company limited in Beijing, solid content is 48 % by weight, the fusing point of oxidized polyethlene wax is 105-110 ℃, and acid number is 14-21mgKOH/g)), the mercapto propyl silane coupling agent (HS (CH of 4.5 weight parts 2) 3Si (OC 2H 5) 3(available from Hubei Li Meida fluosilicic Science and Technology Ltd., trade mark LMD-81)), the cilicon oxide filler (nano-silica powder of 0.3 weight part, available from U.S. GE company, RNS-E, mean particle size 20nm), the water-soluble film-forming resin of 1.0 weight parts (in solid) (water-soluble silicon the third film-forming resin (Qingdao paint company TC-05 type organosilicon crylic acid latex of making the country prosperous, solid content is 48 % by weight)) and the water of 15 weight parts, under 1500 rev/mins stirring velocity, be mixed to evenly, obtain the metal protection coating of present embodiment.
Embodiment 6
Method according to embodiment 1 prepares metal protection coating, and different is, described promotor is the water-based emulsion of polyethylene wax, and available from the grand wide plastic material of Dongguan City business department, solid content is 48 % by weight, and the fusing point of polyethylene wax is 118-125 ℃.
Embodiment 7
Method according to embodiment 1 prepares metal protection coating, and different is, described promotor is the water-based emulsion of polyethylene wax, and available from the grand wide plastic material of Dongguan City business department, solid content is 48 % by weight, and the fusing point of polyethylene wax is 118-125 ℃.
Embodiment 8
Method according to embodiment 1 prepares metal protection coating, and different is that mercapto propyl silane coupling agent is HS (CH 2) 3Si (OCH 3) 3(available from Hubei Li Meida fluosilicic Science and Technology Ltd., trade mark LMD-80)).
Embodiment 9
Method according to embodiment 1 prepares metal protection coating, and different is to use water-soluble phenylpropyl alcohol film-forming resin (available from the super imperial Chemical Industry Science Co., Ltd in Guangzhou, the trade mark is the benzene emulsion of xy-108b) as water-soluble film-forming resin.
Embodiment 10
Method according to embodiment 1 prepares metal protection coating, and different is to use soluble epoxide film-forming resin (available from Dongguan City Heima Chemical Co., Ltd., the trade mark is the aqueous epoxy resin emulsion of BH620) as water-soluble film-forming resin.
Embodiment 11
Method according to embodiment 1 prepares metal protection coating, and different is to use water-soluble polyester film-forming resin (available from chemical industry company limited of the poly-section of Yancheng, Jiangsu Province, the trade mark is the waterborne polyester of PE-10030-P) as water-soluble film-forming resin.
Preparation Example 1
Get the metal protection coating that embodiment 1-11 and Comparative Examples 1-4 obtain and be coated on respectively steel plate galvanized (available from Pangang Group Panzhihua Steel Vanadium Co., Ltd., model DX54D, contain zinc 95 % by weight in the zinc coating) the surface, 90-110 ℃ of lower warm air drying 2 seconds, the steel plate galvanized 1-15 after obtaining processing.Wherein, coating amount is so that the thickness of the coating on the steel plate galvanized 1-15 is 0.8 micron.The thickness of coating is the numerical value of measuring with XRF (fluorescence spectrophotometer) survey meter.
Preparation Example 2
Get the metal protection coating that embodiment 1-11 and Comparative Examples 1-4 obtain and be coated on respectively Al-Zn coated steel (available from Pangang Group Panzhihua Steel Vanadium Co., Ltd., model DX51D+AZ, contain zinc 42.5 % by weight in the aluminum-zinc alloy layer, contain aluminium 52.3 % by weight) the surface, 90-110 ℃ of lower warm air drying 2 seconds, the Al-Zn coated steel 1-15 after obtaining processing.Wherein, coating amount is so that the thickness of the coating on the Al-Zn coated steel 1-15 is 0.8 micron.The thickness of coating is the numerical value of measuring with XRF (fluorescence spectrophotometer) survey meter.
Test implementation example 1
By the requirement of regulation among the GB/T 10,125 1997, carry out neutral salt spray test, measure the corrosion resistance nature of steel plate galvanized 1-15 and Al-Zn coated steel 1-15.It is qualified to be considered as by " salt-fog test 96h, corrosion area<20% ".
As follows, measure the water resistance of steel plate galvanized 1-15 and Al-Zn coated steel 1-15.
Surface at steel plate galvanized 1-15 and the Al-Zn coated steel 1-15 of horizontal positioned, drip about 2 milliliters boiling water, after seasoning in 24 hours, adhere to the 3M adhesive tape place of will dripping, to the counting of the spot under being stained with on the adhesive tape, according to the counting of sticking lower spot on every square centimeter of adhesive tape, judge the quality of rete water tolerance, spot under sticking is more, and water tolerance is poorer.
As follows, measure the thermotolerance of steel plate galvanized 1-15 and Al-Zn coated steel 1-15.
Steel plate galvanized 1-15 and Al-Zn coated steel 1-15 are placed in the hotblast stove, 300 ℃ of lower bakings 20 minutes, then take out and observe the coatingsurface morphology change, and adopt Δ L (brightness variable), Δ a (red green variable), the Δ b (champac variable) of color difference meter test baking front and back specimen surface to be worth, and calculate Δ E (aberration)=(Δ L 2+ Δ a 2+ Δ b 2) 1/2The less coating of Δ E namely has better thermotolerance.
As follows, measure the anti-finger printing of steel plate galvanized 1-15 and Al-Zn coated steel 1-15.
Adopt Δ L (brightness variable), Δ a (red green variable), Δ b (champac variable) value of color difference meter test steel plate galvanized 1-15 and 0.5 g/m of Vaseline front and back of Al-Zn coated steel 1-15 coating, and calculate Δ E (aberration)=(Δ L 2+ Δ a 2+ Δ b 2) 1/2, the less coating of Δ E namely has better anti-finger printing energy.
On M-2000 ring block type friction and wear tester, measure the kinetic friction coefficient of the coating of test steel plate galvanized 1-14 and Al-Zn coated steel 1-14 according to its specification sheets.
Aforesaid test result is as shown in table 1.
Table 1
According to the data of table 1 as seen, solidity to corrosion, water tolerance, thermotolerance and the anti-finger printing of the protective film that forms of metal protection coating provided by the invention are all very good.And, according to the data of table 1 as seen, at preferred described water-soluble silicate with respect to 1 weight part, the content of described promotor is the 0.5-0.7 weight part, the consumption of described mercapto propyl silane coupling agent is the 1.4-1.8 weight part, the consumption of described cilicon oxide filler is the 0.6-0.85 weight part, in solid, the consumption of described water-soluble film-forming resin is the 2.1-2.7 weight part, the consumption of water is in the situation of 25-40 weight part, can further improve solidity to corrosion, water tolerance, thermotolerance, anti-finger printing and the lubricity of the protective film of described metal protection coating formation.
In addition, according to the data of table 1 as seen, be HS (CH at preferred described mercapto propyl silane coupling agent 2) 3Si (OC 2H 5) 3Situation under, can further improve solidity to corrosion, water tolerance, thermotolerance and the anti-finger printing of the protective film that described metal protection coating forms.
More than describe preferred implementation of the present invention in detail; but the present invention is not limited to the detail in the above-mentioned embodiment, in technical conceive scope 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.
Need to prove in addition, each concrete technical characterictic described in above-mentioned embodiment in reconcilable situation, can make up by any suitable mode, for fear of unnecessary repetition, the present invention is to the no longer separately explanation of various possible array modes.
In addition, also can carry out arbitrary combination between the various 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 (10)

1. metal protection coating, this metal protection coating obtains after being mixed by a kind of raw mix, and described raw mix contains water-soluble silicate, cilicon oxide filler, promotor, water-soluble film-forming resin, mercapto propyl silane coupling agent and water; Described promotor is the water-based emulsion of polyethylene wax and/or the water-based emulsion of oxidized polyethlene wax; Described mercapto propyl silane coupling agent is HS (CH 2) 3Si (OCH 3) 3And/or HS (CH 2) 3Si (OC 2H 5) 3
2. metal protection coating according to claim 1, wherein, described water-soluble silicate with respect to 1 weight part, the consumption of described mercapto propyl silane coupling agent is the 0.5-4.5 weight part, the consumption of described cilicon oxide filler is the 0.25-2.2 weight part, and the content of described promotor is the 0.2-1.8 weight part, in solid, the consumption of described water-soluble film-forming resin is the 0.8-6.8 weight part, and the consumption of water is the 10-100 weight part.
3. metal protection coating according to claim 2, wherein, described water-soluble silicate with respect to 1 weight part, the content of described promotor is the 0.5-0.7 weight part, the consumption of described mercapto propyl silane coupling agent is the 1.4-1.8 weight part, and the consumption of described cilicon oxide filler is the 0.6-0.85 weight part, in solid, the consumption of described water-soluble film-forming resin is the 2.1-2.7 weight part, and the consumption of water is the 25-40 weight part.
4. the described metal protection coating of any one according to claim 1-3, wherein, the solid content of the water-based emulsion of described polyethylene wax is the 30-60 % by weight; The fusing point of the polyethylene wax in the water-based emulsion of described polyethylene wax is 100-120 ℃; The solid content of the water-based emulsion of described oxidized polyethlene wax is the 30-60 % by weight; The fusing point of the oxidized polyethlene wax in the water-based emulsion of described oxidized polyethlene wax is 90-115 ℃, and acid number is 10-50mgKOH/g; Described mercapto propyl silane coupling agent is HS (CH 2) 3Si (OC 2H 5) 3
5. the described metal protection coating of any one according to claim 1-3, wherein, described cilicon oxide filler is nano-silica powder and/or silicon sol.
6. the described metal protection coating of any one according to claim 1-3, wherein, described water-soluble film-forming resin is at least a in water-soluble polyester film-forming resin, water-soluble phenylpropyl alcohol film-forming resin, soluble epoxide film-forming resin, aqurous ployurethane film-forming resin, water-soluble silicon the third film-forming resin, water-soluble acrylic film-forming resin and the water-soluble fluorine carbon film-forming resin.
7. the described metal protection coating of any one according to claim 1-3, wherein, described raw mix also contains one or more in dispersion agent, defoamer and the stablizer.
Among the claim 1-7 the described metal protection coating of any one in the purposes of preparation in the metallic substance.
9. hot-dip metal plated material, this hot-dip metal plated material comprises hot-dip metal plated base material and the coating that is attached on this hot-dip metal plated base material, described hot-dip metal plated base material is pot galvanize metal base and/or hot-dip aluminizing zinc metal base, it is characterized in that described coating is the cured product of the described metal protection coating of any one among the claim 1-7.
10. hot-dip metal plated material according to claim 9, wherein, the thickness of described coating is the 0.1-1 micron.
CN201210091827.9A 2012-03-31 2012-03-31 A kind of metal protection coating and uses thereof and hot-dip metal plated material Expired - Fee Related CN103360831B (en)

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Publication number Priority date Publication date Assignee Title
CN1266872A (en) * 1999-03-16 2000-09-20 日本巴卡莱近估股份有限公司 Water surface treatment agent for metal material and furface treated metal plate
CN1299401A (en) * 1998-03-12 2001-06-13 日本帕卡濑精株式会社 Surface treatment composition for metallic material and method of treatment
CN1730570A (en) * 2005-08-02 2006-02-08 陈国军 High temperature energy-saving corrosion-resisting paint , preparation and usage
CN101891998A (en) * 2009-05-18 2010-11-24 攀钢集团钢铁钒钛股份有限公司 Paint composition and galvanized passivated material
EP2333021A1 (en) * 2009-12-11 2011-06-15 ATOTECH Deutschland GmbH Method for corrosion protection of metal surfaces

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1299401A (en) * 1998-03-12 2001-06-13 日本帕卡濑精株式会社 Surface treatment composition for metallic material and method of treatment
CN1266872A (en) * 1999-03-16 2000-09-20 日本巴卡莱近估股份有限公司 Water surface treatment agent for metal material and furface treated metal plate
CN1730570A (en) * 2005-08-02 2006-02-08 陈国军 High temperature energy-saving corrosion-resisting paint , preparation and usage
CN101891998A (en) * 2009-05-18 2010-11-24 攀钢集团钢铁钒钛股份有限公司 Paint composition and galvanized passivated material
EP2333021A1 (en) * 2009-12-11 2011-06-15 ATOTECH Deutschland GmbH Method for corrosion protection of metal surfaces

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