CN103360815B - A kind of metal protection coating and uses thereof and hot-dip metal plated material - Google Patents
A kind of metal protection coating and uses thereof and hot-dip metal plated material Download PDFInfo
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Abstract
The invention provides a kind of metal protection coating, this metal protection coating obtains after being mixed by a kind of raw mixture, and described raw mixture contains water-soluble silicate, cilicon oxide filler, promotor, water-soluble film-forming resin, C
6h
11nHCH
2cH
2cH
2si (OCH
3)
3and water; Described promotor is the water-based emulsion of polyethylene wax and/or the water-based emulsion of oxidized polyethlene wax.Present invention also offers above-mentioned metal protection coating and prepare the purposes in metallic substance.Present invention also offers a kind of hot-dip metal plated material, this hot-dip metal plated material comprises hot-dip metal plated base material and is attached to the coating on this hot-dip metal plated base material, and described coating is the cured product of metal protection coating as above.The solidity to corrosion of the protective film that metal protection coating provided by the invention is formed, water tolerance, thermotolerance and anti-finger printing are all very excellent.
Description
Technical field
The present invention relates to metal protection field, particularly, relate to a kind of metal protection coating, the purposes of this metal protection coating and the hot-dip metal plated material of one.
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 at the surface application layer of metal protective coating of hot-dip metal plated material to form protective film.Thus the performance of metal protection coating is very important for the rust protection of hot-dip metal plated material.
Such as, 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 containing water-soluble molybdenum compound, boric acid, water soluble organic substance and silicon sol, and wherein, described water soluble organic substance is the mixture of alcohol and organic carboxyl acid.
But experiment proves, the solidity to corrosion of protective film that this metal protection coating is formed, water tolerance, thermotolerance and anti-finger printing are still poor.
Summary of the invention
The object of the invention is the defect that the solidity to corrosion of the protective film overcoming the formation of existing metal protection coating, water tolerance, thermotolerance and anti-finger printing are poor, a kind of metal protection coating that can form the good protective film of solidity to corrosion, water tolerance, thermotolerance and anti-finger printing is provided.
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 mixture, and described raw mixture contains water-soluble silicate, cilicon oxide filler, promotor, water-soluble film-forming resin, C
6h
11nHCH
2cH
2cH
2si (OCH
3)
3and water; Described promotor is the water-based emulsion of polyethylene wax and/or the water-based emulsion of oxidized polyethlene wax.
Present invention also offers above-mentioned metal protection coating and prepare the purposes in metallic substance.
Present invention also offers a kind of hot-dip metal plated material, this hot-dip metal plated material comprises hot-dip metal plated base material and is attached to the coating 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 metal protection coating as above.
By technique scheme, the solidity to corrosion of the protective film that metal protection coating provided by the invention is formed, water tolerance, thermotolerance and anti-finger printing are all very excellent.Further, the lubricity of the protective film of metal protection coating formation provided by the invention is excellent especially.
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 metal protection coating provided by the invention, wherein, this metal protection coating obtains after being mixed by a kind of raw mixture, and described raw mixture contains water-soluble silicate, cilicon oxide filler, promotor, water-soluble film-forming resin, C
6h
11nHCH
2cH
2cH
2si (OCH
3)
3and water; Described promotor is the water-based emulsion of polyethylene wax and/or the water-based emulsion of oxidized polyethlene wax.
Wherein, C
6h
11nHCH
2cH
2cH
2si (OCH
3)
3be called 3-hexahydroaniline propyl trimethoxy silicane, structural formula, such as formula shown in (1), can be used as silane coupling agent, the commercially available various C that can be used as silane coupling agent
6h
11nHCH
2cH
2cH
2si (OCH
3)
3commodity may be used to the present invention.
Formula (1)
Wherein, this metal protection coating 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 this metal protection coating 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 metal protection coating provided by the invention, wherein, relative to the described water-soluble silicate of 1 weight part, C
6h
11nHCH
2cH
2cH
2si (OCH
3)
3consumption can be 0.5-4.5 weight part, be preferably 1.4-1.8 weight part.
Wherein, relative to the described water-soluble silicate of 1 weight part, the content of described promotor can be 0.2-1.8 weight part, is preferably 0.5-0.7 weight part.
Wherein, relative to the described water-soluble silicate of 1 weight part, the consumption of described cilicon oxide filler can be 0.25-2.2 weight part, is preferably 0.6-0.85 weight part.
Wherein, relative to the described water-soluble silicate of 1 weight part, in solid, the consumption of described water-soluble film-forming resin can be 0.8-6.8 weight part, is preferably 2.1-2.7 weight part.Herein solid with for calculating or representing that the solid implication of solid content is identical, be water-soluble film-forming resin except remaining composition after desolventizing.
Wherein, relative to the described water-soluble silicate of 1 weight part, the consumption of water is 10-100 weight part, is preferably 25-40 weight part.It should be noted that, in the present invention, the consumption of said water refers to the amount of the water added in addition, 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, 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 conventionally will obtained after polyethylene wax emulsification, and the solid content of the water-based emulsion of described polyethylene wax can be 30-60 % by weight, is preferably 40-50 % by weight.It should be noted that, the water-based emulsion of polyethylene wax is when for preparing metal protection coating provided by the invention, and its consumption refers to the numerical value obtained after the gross weight of water-based emulsion is multiplied by its solid content.
Wherein, the fusing point of the polyethylene wax in the water-based emulsion of described polyethylene wax can be 90-130 DEG C, is preferably 100-120 DEG C, is more preferably 105-115 DEG C.
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 conventionally will obtained after oxidized polyethlene wax emulsification, the solid content of the water-based emulsion of described oxidized polyethlene wax can be 30-60 % by weight, is preferably 40-50 % by weight.It should be noted that, the water-based emulsion of oxidized polyethlene wax is when for preparing metal protection coating provided by the invention, and its consumption refers to the numerical value obtained after the gross weight of water-based emulsion is multiplied by 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 DEG C, is preferably 90-115 DEG C, is more preferably 100-110 DEG C.
It should be noted that, when not doing contrary explanation in the present invention, the fusing point of polyethylene wax and oxidized polyethlene wax refers to the numerical value measured according to the mensuration-cooling curve method of GB/T2539-2008 petroleum wax fusing point.
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 measured according to GB/T264-83 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 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 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 for various water miscible and can be used in the modification of film forming or unmodified resin, described resin can use with suitable object form, such as water-soluble emulsion, at least one in water-soluble solution and water-soluble solid, the not special requirement of the present invention, as long as the film forming of can be used in, such as, described water-soluble film-forming resin can be the water-soluble polyester film-forming resin (water-soluble film-forming resin namely obtained by polyalcohols monomer and polynary acids monomer polymerization, such as purchased from Guangzhou Lapo Fine Chemicals Co., Ltd., the vibrin of trade mark CB2200), the water-soluble phenylpropyl alcohol film-forming resin (water-soluble film-forming resin namely obtained by styrene monomer and vinylformic acid (ester) class monomer polymerization, 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 (the water-soluble film-forming resin namely obtained by the monomer polymerization containing epoxy group(ing), such as purchased from Dongguan City Heima Chemical Co., Ltd., the trade mark is the epoxy resin of BH620), aqurous ployurethane film-forming resin (the water-soluble film-forming resin namely obtained by multicomponent isocyanate class monomer and multi-hydroxy compounds monomer polymerization, such as purchased from Jinjiang, Fujian Province Jian Hua company, the urethane resin of the trade mark 812), the water-soluble silicon third film-forming resin (water-soluble film-forming resin namely obtained by silicone based monomer and vinylformic acid (ester) class monomer polymerization, make the country prosperous paint company TC-05 type organosilicon crylic acid latex in such as Qingdao, solid content is 48 % by weight), water-soluble acrylic film-forming resin (the water-soluble film-forming resin namely obtained by vinylformic acid (ester) class monomer polymerization, the trade mark such as purchased 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 namely obtained by fluorinated monomer polymerization, such as purchased from Beijing Shouchuang Nano Techn Co., Ltd., the trade mark is the water-base fluorocarbon emulsion of SKFT-I) at least one, under preferable case, described water-soluble film-forming resin is at least one in water-soluble phenylpropyl alcohol film-forming resin, soluble epoxide film-forming resin, water-soluble silicon third film-forming resin, water-soluble acrylic film-forming resin, aqurous ployurethane film-forming resin and water-soluble polyester film-forming resin.
Except containing except mentioned component, metal protection coating of the present invention can also contain other various component not affecting metal protection coating property, as one or more in dyestuff, pigment, dispersion agent and defoamer.With the gross weight of this metal protection coating 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 defoamer and silicon defoamer etc. one or more.More particularly, described defoamer can one or more for being purchased in the SD-401 of such as limited liability company of Dongying dan large Creative Science and Technology Co. Ltd series defoamer.Under preferable case, with the total amount of described metal protection coating for benchmark, the content of described defoamer is 0.01-0.05 % by weight.
Metal protection coating of the present invention can directly use without the need to dilution.
Present invention also offers above-mentioned metal protection coating and prepare the purposes in metallic substance.Above-mentioned metal protection coating can 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 is attached to the coating 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 metal protection coating as above.
Wherein, described pot galvanize metal base can for the metal base containing zinc coating, and in described zinc coating, the content of zinc can be 92.5-95.5 % by weight.Described zinc coating also can contain other conventional ingredient, as silicon.
Wherein, described hot-dip aluminizing zinc metallic substance can for the metal base containing zinc-aluminium coating, and in described zinc-aluminium coating, the content of zinc can be 41.5-43.5 % by weight, and the content of aluminium can be 51.5-55.0 % by weight.Described zinc-aluminium coating also can contain other conventional ingredient, as silicon.
According to hot-dip metal plated material provided by the invention, wherein, the thickness of described coating can be the general thickness of the erosion shield on hot-dip metal plated base material, in order to improve the performance of described coating, under preferable case, the thickness of described coating is 0.05-2 micron, can be preferably 0.1-1 micron.
According to hot-dip metal plated material provided by the invention, wherein, the method that hot-dip metal plated base material adheres to described coating can comprise and is attached on the surface of hot-dip metal plated base material by described metal protection coating, then dry, dry temperature can be 60-120 DEG C, be preferably 90-110 DEG C, 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 one or more in warm air drying, induction heating and infrared radiation heating.
In the present invention, when not doing contrary explanation, the volume of all liquid and solid all refers to 20 DEG C, the volume of 1 standard atmosphere pressure.
Below will be explained in further detail the present invention by embodiment.
Embodiment 1
By the water-soluble silicate (water glass of 1 weight part, purchased from Baoding Run Feng Industrial Co., Ltd.), (water-based emulsion of polyethylene wax and the water-based emulsion of oxidized polyethlene wax obtain after 1: 1 mixing for the promotor of 0.6 weight part, the water-based emulsion of polyethylene wax is purchased from Dongguan City Hong Guang plastic material business department, solid content is 48 % by weight, and the fusing point of polyethylene wax is 110-115 DEG C; The water-based emulsion of oxidized polyethlene wax is purchased from Beijing Zhong Guan special wax company limited, and solid content is 48 % by weight, and the fusing point of oxidized polyethlene wax is 105-110 DEG C, and acid number is 14-21mgKOH/g), the C of 1.6 weight parts
6h
11nHCH
2cH
2cH
2si (OCH
3)
3(purchased from Hubei Li Meida fluosilicic Science and Technology Ltd., trade mark LMD-58), the cilicon oxide filler (nano-silica powder of 0.72 weight part, purchased from American GE company, RNS-E, mean particle size 20nm), (water-soluble silicon third film-forming resin (make the country prosperous paint company TC-05 type organosilicon crylic acid latex by Qingdao for the water-soluble film-forming resin of 2.4 weight parts (in solid), solid content is 48 % by weight)) and the water of 28 weight parts, be mixed under the stirring velocity of 1500 revs/min evenly, obtain the metal protection coating of the present embodiment.
Comparative example 1
Metal protection coating is prepared according to the method for embodiment 1, unlike, replace C with aminopropyl triethoxysilane (purchased from Hubei Li Meida fluosilicic Science and Technology Ltd., trade mark LMD-1100)
6h
11nHCH
2cH
2cH
2si (OCH
3)
3.
Comparative example 2
Metal protection coating is prepared according to the method for embodiment 1, unlike, do not add promotor.
Comparative example 3
Metal protection coating is prepared according to the method for embodiment 1, unlike, do not add water-soluble silicate.
Comparative example 4
Metal protection coating is prepared according to the method for embodiment 1, unlike, do not add cilicon oxide filler.
Embodiment 2
By the water-soluble silicate (potassium silicate of 1 weight part, purchased from Baoding Run Feng Industrial Co., Ltd.), the promotor (water-based emulsion of oxidized polyethlene wax of 0.5 weight part, purchased from Beijing Zhong Guan special wax company limited, solid content is 48 % by weight, the fusing point of oxidized polyethlene wax is 100-105 DEG C, and acid number is 17-26mgKOH/g), the C of 1.4 weight parts
6h
11nHCH
2cH
2cH
2si (OCH
3)
3(purchased from Hubei Li Meida fluosilicic Science and Technology Ltd., trade mark LMD-58), the cilicon oxide filler (nano silicon of 0.6 weight part, purchased from American GE company, RNS-E, mean particle size 20nm), the water-soluble film-forming resin (water-soluble acrylic film-forming resin (trade mark purchased from Guangzhou Ou Peng chemical industry is the acrylic resin of A-3418)) of 2.1 weight parts (in solid) and the water of 25 weight parts, be mixed under the stirring velocity of 1500 revs/min evenly, obtain the metal protection coating of the present embodiment.
Embodiment 3
By the water-soluble silicate (water glass of 1 weight part, purchased from Baoding Run Feng Industrial Co., Ltd.), the promotor (water-based emulsion of polyethylene wax of 0.7 weight part, purchased from Dongguan City Hong Guang plastic material business department, solid content is 48 % by weight, and the fusing point of polyethylene wax is 105-110 DEG C), the C of 1.8 weight parts
6h
11nHCH
2cH
2cH
2si (OCH
3)
3(purchased from Hubei Li Meida fluosilicic Science and Technology Ltd., trade mark LMD-58), the cilicon oxide filler (silicon sol of 30 % by weight of 0.85 weight part, usage quantity is in solid), (aqurous ployurethane film-forming resin is (purchased from Jinjiang, Fujian Province Jian Hua company for the water-soluble film-forming resin of 2.7 weight parts (in solid), the urethane resin of the trade mark 812)) and the water of 40 weight parts, be mixed under the stirring velocity of 1500 revs/min evenly, obtain the metal protection coating of the present embodiment.
Embodiment 4
By the water-soluble silicate (water glass of 1 weight part, purchased from Baoding Run Feng Industrial Co., Ltd.), (water-based emulsion of polyethylene wax and the water-based emulsion of oxidized polyethlene wax obtain after 1: 1 mixing for the promotor of 0.3 weight part, the water-based emulsion of polyethylene wax is purchased from Dongguan City Hong Guang plastic material business department, solid content is 48 % by weight, and the fusing point of polyethylene wax is 110-115 DEG C; The water-based emulsion of oxidized polyethlene wax is purchased from Beijing Zhong Guan special wax company limited, and solid content is 48 % by weight, and the fusing point of oxidized polyethlene wax is 105-110 DEG C, and acid number is 14-21mgKOH/g), the C of 0.6 weight part
6h
11nHCH
2cH
2cH
2si (OCH
3)
3(purchased from Hubei Li Meida fluosilicic Science and Technology Ltd., trade mark LMD-58), the cilicon oxide filler (nano-silica powder of 2.1 weight parts, purchased from American GE company, RNS-E, mean particle size 20nm), (water-soluble silicon third film-forming resin (make the country prosperous paint company TC-05 type organosilicon crylic acid latex by Qingdao for the water-soluble film-forming resin of 6.5 weight parts (in solid), solid content is 48 % by weight)) and the water of 90 weight parts, be mixed under the stirring velocity of 1500 revs/min evenly, obtain the metal protection coating of the present embodiment.
Embodiment 5
By the water-soluble silicate (water glass of 1 weight part, purchased from Baoding Run Feng Industrial Co., Ltd.), (water-based emulsion of polyethylene wax and the water-based emulsion of oxidized polyethlene wax obtain after 1: 1 mixing for the promotor of 1.7 weight parts, the water-based emulsion of polyethylene wax is purchased from Dongguan City Hong Guang plastic material business department, solid content is 48 % by weight, and the fusing point of polyethylene wax is 110-115 DEG C; The water-based emulsion of oxidized polyethlene wax is purchased from Beijing Zhong Guan special wax company limited, and solid content is 48 % by weight, and the fusing point of oxidized polyethlene wax is 105-110 DEG C, and acid number is 14-21mgKOH/g), the C of 4.5 weight parts
6h
11nHCH
2cH
2cH
2si (OCH
3)
3(purchased from Hubei Li Meida fluosilicic Science and Technology Ltd., trade mark LMD-58), the cilicon oxide filler (nano-silica powder of 0.3 weight part, purchased from American GE company, RNS-E, mean particle size 20nm), (water-soluble silicon third film-forming resin (make the country prosperous paint company TC-05 type organosilicon crylic acid latex by Qingdao for the water-soluble film-forming resin of 1.0 weight parts (in solid), solid content is 48 % by weight)) and the water of 15 weight parts, be mixed under the stirring velocity of 1500 revs/min evenly, obtain the metal protection coating of the present embodiment.
Embodiment 6
Metal protection coating is prepared according to the method for embodiment 1, unlike, described promotor is the water-based emulsion of polyethylene wax, and purchased from Dongguan City Hong Guang plastic material business department, solid content is 48 % by weight, and the fusing point of polyethylene wax is 118-125 DEG C.
Embodiment 7
Metal protection coating is prepared according to the method for embodiment 1, unlike, described promotor is the water-based emulsion of oxidized polyethlene wax, purchased from Beijing Zhong Guan special wax company limited, solid content is 48 % by weight, and the fusing point of oxidized polyethlene wax is 80-95 DEG C, and acid number is 5-10mgKOH/g.
Embodiment 8
Metal protection coating is prepared according to the method for embodiment 1, unlike, use water-soluble phenylpropyl alcohol film-forming resin (purchased from Guangzhou Chao Long Chemical Industry Science Co., Ltd, the trade mark is the benzene emulsion of xy-108b) as water-soluble film-forming resin.
Embodiment 9
Metal protection coating is prepared according to the method for embodiment 1, unlike, use soluble epoxide film-forming resin (purchased 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 10
Metal protection coating is prepared according to the method for embodiment 1, unlike, use water-soluble polyester film-forming resin (purchased from Yancheng, Jiangsu Province Ju Ke Chemical Co., Ltd., the trade mark is the waterborne polyester of PE-10030-P) as water-soluble film-forming resin.
Preparation embodiment 1
The metal protection coating that Example 1-10 and comparative example 1-4 obtains is coated on steel plate galvanized respectively (purchased from Pangang Group Panzhihua Steel Vanadium Co., Ltd., model DX54D, containing zinc 95 % by weight in zinc coating) surface, warm air drying 2 seconds at 90-110 DEG C, obtains the steel plate galvanized 1-14 after processing.Wherein, coating amount makes the thickness of the coating on steel plate galvanized 1-14 be 0.8 micron.The thickness of coating is the numerical value measured with XRF (fluorescence spectrophotometer) survey meter.
Preparation embodiment 2
The metal protection coating that Example 1-10 and comparative example 1-4 obtains is coated on Al-Zn coated steel respectively (purchased from Pangang Group Panzhihua Steel Vanadium Co., Ltd., model DX51D+AZ, containing zinc 42.5 % by weight in zinc layers of aluminizing, containing aluminium 52.3 % by weight) surface, warm air drying 2 seconds at 90-110 DEG C, obtains the Al-Zn coated steel 1-14 after processing.Wherein, coating amount makes the thickness of the coating on Al-Zn coated steel 1-14 be 0.8 micron.The thickness of coating is the numerical value measured with XRF (fluorescence spectrophotometer) survey meter.
Testing example 1
By the requirement specified in GB/T101251997, carry out neutral salt spray test, measure the corrosion resistance nature of steel plate galvanized 1-14 and Al-Zn coated steel 1-14.It is qualified to be considered as by " salt-fog test 96h, corrosion area < 20% ".
As follows, the water resistance of steel plate galvanized 1-14 and Al-Zn coated steel 1-14 is measured.
On the steel plate galvanized 1-14 of horizontal positioned and the surface of Al-Zn coated steel 1-14, drip the boiling water of about 2 milliliters, after seasoning in 24 hours, to drip with 3M adhesive tape and locate to adhere to, to the spot count under adhesive tape is stained with, according to the counting of lower spot sticky on every square centimeter of adhesive tape, judge the quality of rete water tolerance, spot under sticky is more, and water tolerance is poorer.
As follows, the thermotolerance of steel plate galvanized 1-14 and Al-Zn coated steel 1-14 is measured.
Steel plate galvanized 1-14 and Al-Zn coated steel 1-14 is placed in hotblast stove, toast 20 minutes at 300 DEG C, then take out and observe coating morphology change, and adopt color difference meter to test Δ L (lightness variable), Δ a (red green variable), Δ b (champac variable) value of specimen surface before and after baking, and calculate Δ E (aberration)=(Δ L
2+ Δ a
2+ Δ b
2)
1/2.Namely the less coating of Δ E has more excellent thermotolerance.
As follows, the anti-finger printing of steel plate galvanized 1-14 and Al-Zn coated steel 1-14 is measured.
Adopt color difference meter test steel plate galvanized 1-14 and Al-Zn coated steel 1-14 to apply Δ L (lightness variable), Δ a (red green variable) before and after 0.5 gram/m of Vaseline, Δ b (champac variable) value, and calculate Δ E (aberration)=(Δ L
2+ Δ a
2+ Δ b
2)
1/2, namely the less coating of Δ E has more excellent 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.
Test result as above is as shown in table 1.
Table 1
Visible according to the data of table 1, the solidity to corrosion of the protective film that metal protection coating provided by the invention is formed, water tolerance, thermotolerance and anti-finger printing are all very excellent.Further, visible according to the data of table 1, at the preferred described water-soluble silicate relative to 1 weight part, the content of described promotor is 0.5-0.7 weight part, C
6h
11nHCH
2cH
2cH
2si (OCH
3)
3consumption be 1.4-1.8 weight part, the consumption of described cilicon oxide filler is 0.6-0.85 weight part, in solid, the consumption of described water-soluble film-forming resin is 2.1-2.7 weight part, when the consumption of water is 25-40 weight part, the solidity to corrosion of the protective film that described metal protection coating is formed, water tolerance, thermotolerance, anti-finger printing and lubricity can be improved further.
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 (7)
1. a metal protection coating, this metal protection coating obtains after being mixed by a kind of raw mixture, and described raw mixture contains water-soluble silicate, cilicon oxide filler, promotor, water-soluble film-forming resin, C
6h
11nHCH
2cH
2cH
2si (OCH
3)
3and water; Described promotor is the water-based emulsion of polyethylene wax and/or the water-based emulsion of oxidized polyethlene wax, and the solid content of the water-based emulsion of described polyethylene wax is 30-60 % by weight; The fusing point of the polyethylene wax in the water-based emulsion of described polyethylene wax is 100-120 DEG C; The solid content of the water-based emulsion of described oxidized polyethlene wax is 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 DEG C, and acid number is 10-50mgKOH/g, and relative to the described water-soluble silicate of 1 weight part, the content of described promotor is 0.5-0.7 weight part, C
6h
11nHCH
2cH
2cH
2si (OCH
3)
3consumption be 1.4-1.8 weight part, the consumption of described cilicon oxide filler is 0.6-0.85 weight part, and the consumption of described water-soluble film-forming resin counts 2.1-2.7 weight part with solid, and the consumption of water is 25-40 weight part.
2. metal protection coating according to claim 1, wherein, described cilicon oxide filler is nano-silica powder and/or silicon sol.
3. metal protection coating according to claim 1, wherein, described water-soluble film-forming resin is at least one 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 third film-forming resin, water-soluble acrylic film-forming resin and water-soluble fluorine carbon film-forming resin.
4. metal protection coating according to claim 1, wherein, described raw mixture is also containing one or more in dispersion agent, defoamer and stablizer.
5. the purposes in metallic substance prepared by the metal protection coating in claim 1-4 described in any one.
6. a hot-dip metal plated material, this hot-dip metal plated material comprises hot-dip metal plated base material and is attached to the coating 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 metal protection coating in claim 1-4 described in any one.
7. hot-dip metal plated material according to claim 6, wherein, the thickness of described coating is 0.1-1 micron.
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| CN201210091745.4A CN103360815B (en) | 2012-03-31 | 2012-03-31 | A kind of metal protection coating and uses thereof and hot-dip metal plated material |
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| CN201210091745.4A CN103360815B (en) | 2012-03-31 | 2012-03-31 | A kind of metal protection coating and uses thereof and hot-dip metal plated material |
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| CN103360815B true CN103360815B (en) | 2016-04-06 |
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| CN109880414A (en) * | 2019-02-25 | 2019-06-14 | 海安南京大学高新技术研究院 | A kind of preparation method of chromium plating stainless steel surface anti-fingerprint paint |
Citations (2)
| 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 |
| CN1730570A (en) * | 2005-08-02 | 2006-02-08 | 陈国军 | High temperature energy-saving corrosion-resisting paint , preparation and usage |
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Patent Citations (2)
| 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 |
| CN1730570A (en) * | 2005-08-02 | 2006-02-08 | 陈国军 | High temperature energy-saving corrosion-resisting paint , preparation and usage |
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| CN103360815A (en) | 2013-10-23 |
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