CN103360814B - 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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- CN103360814B CN103360814B CN201210091744.XA CN201210091744A CN103360814B CN 103360814 B CN103360814 B CN 103360814B CN 201210091744 A CN201210091744 A CN 201210091744A CN 103360814 B CN103360814 B CN 103360814B
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- water
- protection coating
- soluble
- forming resin
- metal protection
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 114
- 239000002184 metal Substances 0.000 title claims abstract description 114
- 239000011248 coating agent Substances 0.000 title claims abstract description 102
- 238000000576 coating method Methods 0.000 title claims abstract description 102
- 239000000463 material Substances 0.000 title claims abstract description 30
- 239000011347 resin Substances 0.000 claims abstract description 58
- 229920005989 resin Polymers 0.000 claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- UIUXUFNYAYAMOE-UHFFFAOYSA-N Methylsilane Chemical compound [SiH3]C UIUXUFNYAYAMOE-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000007822 coupling agent Substances 0.000 claims abstract description 21
- 239000000945 filler Substances 0.000 claims abstract description 19
- BPQQTUXANYXVAA-UHFFFAOYSA-N silicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000203 mixture Substances 0.000 claims abstract description 16
- HNJBEVLQSNELDL-UHFFFAOYSA-N 2-Pyrrolidone Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000007769 metal material Substances 0.000 claims abstract description 8
- ZFPGARUNNKGOBB-UHFFFAOYSA-N 1-ethylpyrrolidin-2-one Chemical compound CCN1CCCC1=O ZFPGARUNNKGOBB-UHFFFAOYSA-N 0.000 claims abstract description 5
- SECXISVLQFMRJM-UHFFFAOYSA-N n-methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000007787 solid Substances 0.000 claims description 19
- HCHKCACWOHOZIP-UHFFFAOYSA-N zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 14
- 239000011701 zinc Substances 0.000 claims description 14
- 229910052725 zinc Inorganic materials 0.000 claims description 14
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 13
- 239000010703 silicon Substances 0.000 claims description 13
- 229910052710 silicon Inorganic materials 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 7
- 239000000377 silicon dioxide Substances 0.000 claims description 7
- 238000005269 aluminizing Methods 0.000 claims description 6
- -1 fluorine carbon Chemical compound 0.000 claims description 5
- 229920000728 polyester Polymers 0.000 claims description 5
- VAJVDSVGBWFCLW-UHFFFAOYSA-N 3-phenylpropan-1-ol Chemical compound OCCCC1=CC=CC=C1 VAJVDSVGBWFCLW-UHFFFAOYSA-N 0.000 claims description 4
- 150000002118 epoxides Chemical class 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 239000006185 dispersion Substances 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 abstract description 12
- 238000007639 printing Methods 0.000 abstract description 11
- 230000001681 protective Effects 0.000 abstract description 10
- 229910000831 Steel Inorganic materials 0.000 description 22
- 239000010959 steel Substances 0.000 description 22
- 239000000178 monomer Substances 0.000 description 11
- 229910018137 Al-Zn Inorganic materials 0.000 description 10
- 229910018573 Al—Zn Inorganic materials 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 7
- 238000006116 polymerization reaction Methods 0.000 description 7
- 235000019353 potassium silicate Nutrition 0.000 description 7
- 239000002253 acid Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 239000000839 emulsion Substances 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- NTHWMYGWWRZVTN-UHFFFAOYSA-N Sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 229920000126 Latex Polymers 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 4
- 238000005039 chemical industry Methods 0.000 description 4
- 239000004816 latex Substances 0.000 description 4
- 239000003973 paint Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 229910000611 Zinc aluminium Inorganic materials 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000007601 warm air drying Methods 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 244000174681 Michelia champaca Species 0.000 description 2
- 239000004111 Potassium silicate Substances 0.000 description 2
- NNHHDJVEYQHLHG-UHFFFAOYSA-N Potassium silicate Chemical compound [K+].[K+].[O-][Si]([O-])=O NNHHDJVEYQHLHG-UHFFFAOYSA-N 0.000 description 2
- 239000006087 Silane Coupling Agent Substances 0.000 description 2
- 229920002803 Thermoplastic polyurethane Polymers 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 229910052913 potassium silicate Inorganic materials 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-Aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N Boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N Fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- BFXIKLCIZHOAAZ-UHFFFAOYSA-N Methyltrimethoxysilane Chemical compound CO[Si](C)(OC)OC BFXIKLCIZHOAAZ-UHFFFAOYSA-N 0.000 description 1
- 229940099259 Vaseline Drugs 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 230000003628 erosive Effects 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 235000011194 food seasoning agent Nutrition 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 239000005078 molybdenum compound Substances 0.000 description 1
- 150000002752 molybdenum compounds Chemical class 0.000 description 1
- 239000005543 nano-size silicon particle Substances 0.000 description 1
- 230000001264 neutralization Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-UHFFFAOYSA-N 0.000 description 1
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, methyl-monosilane coupling agent and water; Described promotor is at least one in pyrrolidone, N-Methyl pyrrolidone and N-ethyl pyrrolidone.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, methyl-monosilane coupling agent and water; Described promotor is at least one in pyrrolidone, N-Methyl pyrrolidone and N-ethyl pyrrolidone; Described methyl-monosilane coupling agent is CH
3si (OCH
3)
3and/or CH
3si (OCH
2cH
3)
3.
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.
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, methyl-monosilane coupling agent and water; Described promotor is at least one in pyrrolidone, N-Methyl pyrrolidone and N-ethyl pyrrolidone; Described methyl-monosilane coupling agent is CH
3si (OCH
3)
3and/or CH
3si (OCH
2cH
3)
3.
Wherein, CH
3si (OCH
3)
3be called methyltrimethoxy silane, CH
3si (OCH
2cH
3)
3be called Union carbide A-162, can be used as silane coupling agent, the commercially available commodity shown in 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 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, the consumption of described methyl-monosilane coupling agent can be 0.5-4.5 weight part, is 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, in order to improve the performance of described metal protection coating further, under preferable case, described promotor is pyrrolidone.
According to metal protection coating provided by the invention, wherein, in order to improve the performance of described metal protection coating further, under preferable case, described methyl-monosilane coupling agent is CH
3si (OCH
3)
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, 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, purchased from Baoding Run Feng Industrial Co., Ltd.) of 1 weight part, the promotor (pyrrolidone) of 0.6 weight part, the methyl-monosilane coupling agent (CH of 1.6 weight parts
3si (OCH
3)
3(purchased from Hubei Li Meida fluosilicic Science and Technology Ltd., trade mark LMD-921)), 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 methyl-monosilane coupling agent with aminopropyl triethoxysilane (purchased from Hubei Li Meida fluosilicic Science and Technology Ltd., trade mark LMD-1100).
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, purchased from Baoding Run Feng Industrial Co., Ltd.) of 1 weight part, the promotor (pyrrolidone) of 0.5 weight part, the methyl-monosilane coupling agent (CH of 1.4 weight parts
3si (OCH
3)
3(purchased from Hubei Li Meida fluosilicic Science and Technology Ltd., trade mark LMD-921)), 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, purchased from Baoding Run Feng Industrial Co., Ltd.) of 1 weight part, the promotor (pyrrolidone) of 0.7 weight part, the methyl-monosilane coupling agent (CH of 1.8 weight parts
3si (OCH
3)
3(purchased from Hubei Li Meida fluosilicic Science and Technology Ltd., trade mark LMD-921)), 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, purchased from Baoding Run Feng Industrial Co., Ltd.) of 1 weight part, the promotor (pyrrolidone) of 0.3 weight part, the methyl-monosilane coupling agent (CH of 0.6 weight part
3si (OCH
3)
3(purchased from Hubei Li Meida fluosilicic Science and Technology Ltd., trade mark LMD-921)), 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, purchased from Baoding Run Feng Industrial Co., Ltd.) of 1 weight part, the promotor (pyrrolidone) of 1.7 weight parts, the methyl-monosilane coupling agent (CH of 4.5 weight parts
3si (OCH
3)
3(purchased from Hubei Li Meida fluosilicic Science and Technology Ltd., trade mark LMD-921)), 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, use N-ethyl pyrrolidone as promotor.
Embodiment 7
Metal protection coating is prepared according to the method for embodiment 1, unlike, use N-Methyl pyrrolidone as promotor.
Embodiment 8
Metal protection coating is prepared according to the method for embodiment 1, unlike, described methyl-monosilane coupling agent is CH
3si (OCH
2cH
3)
3(purchased from Nanjing through Tian Wei Chemical Co., Ltd., trade mark KH-202).
Embodiment 9
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 10
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 11
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 1-11 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 1-15 after processing.Wherein, coating amount makes the thickness of the coating on steel plate galvanized 1-15 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 1-11 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 1-15 after processing.Wherein, coating amount makes the thickness of the coating on Al-Zn coated steel 1-15 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 of regulation in GB/T 101251997, 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, the water resistance of steel plate galvanized 1-15 and Al-Zn coated steel 1-15 is measured.
On the steel plate galvanized 1-15 of horizontal positioned and the surface of Al-Zn coated steel 1-15, 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 1-15 and Al-Zn coated steel 1-15 is measured.
Steel plate galvanized 1-15 and Al-Zn coated steel 1-15 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 1-15 and Al-Zn coated steel 1-15 is measured.
Adopt color difference meter test steel plate galvanized 1-15 and Al-Zn coated steel 1-15 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.
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.And, 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, the consumption of described methyl-monosilane coupling agent is 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 and anti-finger printing can be improved further.Further, visible according to the data of table 1, when preferred described promotor is pyrrolidone, the solidity to corrosion of the protective film that described metal protection coating is formed, water tolerance, thermotolerance and anti-finger printing can be improved further.In addition, according to the data of table 1, be CH at preferred described methyl-monosilane coupling agent
3si (OCH
3)
3when, the solidity to corrosion of the protective film that described metal protection coating is formed, water tolerance, thermotolerance and anti-finger printing 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 (10)
1. a metal protection coating, this metal protection coating obtains after being mixed by a kind of raw mixture, and described raw mixture is made up of water-soluble silicate, cilicon oxide filler, promotor, water-soluble film-forming resin, methyl-monosilane coupling agent and water; Described promotor is at least one in pyrrolidone, N-Methyl pyrrolidone and N-ethyl pyrrolidone; Described methyl-monosilane coupling agent is CH
3si (OCH
3)
3and/or CH
3si (OCH
2cH
3)
3.
2. metal protection coating according to claim 1, wherein, relative to the described water-soluble silicate of 1 weight part, the consumption of described methyl-monosilane coupling agent is 0.5-4.5 weight part, the consumption of described cilicon oxide filler is 0.25-2.2 weight part, and the content of described promotor is 0.2-1.8 weight part, in solid, the consumption of described water-soluble film-forming resin is 0.8-6.8 weight part, and the consumption of water is 10-100 weight part.
3. metal protection coating according to claim 2, wherein, relative to the described water-soluble silicate of 1 weight part, the content of described promotor is 0.5-0.7 weight part, the consumption of described methyl-monosilane coupling agent is 1.4-1.8 weight part, and 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, and the consumption of water is 25-40 weight part.
4. according to the metal protection coating in claim 1-3 described in any one, wherein, described promotor is pyrrolidone; Described methyl-monosilane coupling agent is CH
3si (OCH
3)
3.
5. according to the metal protection coating in claim 1-3 described in any one, wherein, described cilicon oxide filler is nano-silica powder and/or silicon sol.
6. according to the metal protection coating in claim 1-3 described in any one, 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.
7. according to the metal protection coating in claim 1-3 described in any one, wherein, described raw mixture is also containing one or more in dispersion agent, defoamer and stablizer.
8. the purposes in metallic substance prepared by the metal protection coating in claim 1-7 described in any one.
9. 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 1-7 described in any one.
10. hot-dip metal plated material according to claim 9, wherein, the thickness of described coating is 0.1-1 micron.
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| CN201210091744.XA CN103360814B (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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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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2012
- 2012-03-31 CN CN201210091744.XA patent/CN103360814B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| Publication number | Publication date |
|---|---|
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