CN103031009A - Non-chrome zinc-aluminum coating anticorrosive paint containing nickel-magnesium-silicon - Google Patents
Non-chrome zinc-aluminum coating anticorrosive paint containing nickel-magnesium-silicon Download PDFInfo
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- CN103031009A CN103031009A CN2013100002695A CN201310000269A CN103031009A CN 103031009 A CN103031009 A CN 103031009A CN 2013100002695 A CN2013100002695 A CN 2013100002695A CN 201310000269 A CN201310000269 A CN 201310000269A CN 103031009 A CN103031009 A CN 103031009A
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- chromium
- deionized water
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- 238000000576 coating method Methods 0.000 title claims abstract description 68
- 239000011248 coating agent Substances 0.000 title claims abstract description 62
- HXFVOUUOTHJFPX-UHFFFAOYSA-N alumane;zinc Chemical compound [AlH3].[Zn] HXFVOUUOTHJFPX-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 239000003973 paint Substances 0.000 title abstract description 13
- 229910000611 Zinc aluminium Inorganic materials 0.000 title abstract description 5
- TVCIIEGEAQCZHX-UHFFFAOYSA-N [Si].[Mg].[Ni] Chemical compound [Si].[Mg].[Ni] TVCIIEGEAQCZHX-UHFFFAOYSA-N 0.000 title abstract 3
- 239000000843 powder Substances 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000008367 deionised water Substances 0.000 claims abstract description 25
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 25
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 claims abstract description 24
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 23
- IMQLKJBTEOYOSI-UHFFFAOYSA-N Phytic acid Natural products OP(O)(=O)OC1C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C1OP(O)(O)=O IMQLKJBTEOYOSI-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000005543 nano-size silicon particle Substances 0.000 claims abstract description 20
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 14
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 13
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 13
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 12
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000012964 benzotriazole Substances 0.000 claims abstract description 12
- 229950002895 cellaburate Drugs 0.000 claims abstract description 12
- 229920005552 sodium lignosulfonate Polymers 0.000 claims abstract description 12
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 12
- OMQSJNWFFJOIMO-UHFFFAOYSA-J zirconium tetrafluoride Chemical compound F[Zr](F)(F)F OMQSJNWFFJOIMO-UHFFFAOYSA-J 0.000 claims abstract description 12
- 229910052804 chromium Inorganic materials 0.000 claims description 27
- 239000011651 chromium Substances 0.000 claims description 27
- 230000001681 protective effect Effects 0.000 claims description 20
- 239000011701 zinc Substances 0.000 claims description 14
- MKPXGEVFQSIKGE-UHFFFAOYSA-N [Mg].[Si] Chemical compound [Mg].[Si] MKPXGEVFQSIKGE-UHFFFAOYSA-N 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 12
- YODZTKMDCQEPHD-UHFFFAOYSA-N thiodiglycol Chemical compound OCCSCCO YODZTKMDCQEPHD-UHFFFAOYSA-N 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract description 3
- UUABJBNMBCIBFA-UHFFFAOYSA-N 1-hydroxy-2-(2-hydroxyethoxy)ethanesulfonic acid Chemical compound OCCOCC(O)S(O)(=O)=O UUABJBNMBCIBFA-UHFFFAOYSA-N 0.000 abstract 1
- IMQLKJBTEOYOSI-GPIVLXJGSA-N Inositol-hexakisphosphate Chemical compound OP(O)(=O)O[C@H]1[C@H](OP(O)(O)=O)[C@@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@@H]1OP(O)(O)=O IMQLKJBTEOYOSI-GPIVLXJGSA-N 0.000 abstract 1
- -1 cellaburate Chemical compound 0.000 abstract 1
- 231100000956 nontoxicity Toxicity 0.000 abstract 1
- 229940068041 phytic acid Drugs 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 12
- 238000005260 corrosion Methods 0.000 description 11
- 230000007797 corrosion Effects 0.000 description 10
- DQIPXGFHRRCVHY-UHFFFAOYSA-N chromium zinc Chemical compound [Cr].[Zn] DQIPXGFHRRCVHY-UHFFFAOYSA-N 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 150000003839 salts Chemical class 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- BULVZWIRKLYCBC-UHFFFAOYSA-N phorate Chemical compound CCOP(=S)(OCC)SCSCC BULVZWIRKLYCBC-UHFFFAOYSA-N 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 230000002421 anti-septic effect Effects 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 2
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 2
- 238000003556 assay Methods 0.000 description 2
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 208000005623 Carcinogenesis Diseases 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- DPDMMXDBJGCCQC-UHFFFAOYSA-N [Na].[Cl] Chemical compound [Na].[Cl] DPDMMXDBJGCCQC-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000036952 cancer formation Effects 0.000 description 1
- 231100000504 carcinogenesis Toxicity 0.000 description 1
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 1
- 229910001430 chromium ion Inorganic materials 0.000 description 1
- 239000006255 coating slurry Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- XUIMIQQOPSSXEZ-OUBTZVSYSA-N silicon-29 atom Chemical compound [29Si] XUIMIQQOPSSXEZ-OUBTZVSYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-NJFSPNSNSA-N silicon-30 atom Chemical compound [30Si] XUIMIQQOPSSXEZ-NJFSPNSNSA-N 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
Abstract
The invention discloses non-chrome zinc-aluminum coating anticorrosive paint containing nickel-magnesium-silicon, which consists of an A component and a B component at a mass ratio of 3:1, wherein the A component comprises the following raw materials: allumen powder, nano-silicon dioxide, sodium lignosulphonate, benzotriazole, sulfo-diethylene glycol, triphenylphosphine, and deionized water; and the B component comprises the following raw materials: zirconium tetrafluoride, gamma-aminopropyl triethoxy silane, inositol hexaphosphate, cellaburate, alcohol, and deionized water. The allumen powder consists of Zn, Al, Ni, Mg and Si. The non-chrome zinc-aluminum coating anticorrosive paint containing nickel-magnesium-silicon has the characteristics of nontoxicity, innocuity, no pollution, low temperature immediate processing, simplicity in operation, wide source of raw materials, low price, clean production and the like.
Description
Technical field
The present invention relates to a kind of metal anti-corrosive paint, particularly a kind of nickeliferous-the Non-chromium Zn-al Coating protective system of magnesium-silicon.
Background technology
Non-chromium Zn-al Coating is the environmental requirement for the VOC rules that satisfy countries in the world and paint industry regulation, substitutes traditional Dacroment zinc-chromium coating technique and the surface treatment novel material developed.
Dacroment is DACROMET transliteration and abbreviation, is called for short Dacroment, reaches gram rust, Di Kelong.Domestic called after zinc-chromium coating is a kind of novel protective system take zinc powder, aluminium powder, chromic acid and deionized water as main component.Its antiseptic principle is that the hexavalent chromium in the employing chromic salts takes zinc, the aluminium flake in the passivation coatings, improve the antiseptic power of zinc, aluminium flake self, through 300 ℃ of bakings, redox reaction forms amorphous nCr2O3mCrO3 composite salt, with the overlapping metallic surface that covers of zinc-aluminium sheet, so that only having under the thickness film layer condition of 6 ~ 8um, just can under neutral salt spray 1000h condition, substantially not produce red rust.It also has or not hydrogen embrittlement, the advantage that can be combined with the rete of multiple plating, coating simultaneously.Yet contain the chromium ion to environment and human body harmful in the zinc-chromium coating, especially hexavalent chromium has carcinogenesis.Although the coating processes of zinc-chromium coating is a totally enclosed process, coating does not efflux, and chromic anhydride residual in the coating can in use be discharged in the environment lentamente, and human and environment is had certain potential hazard.Therefore, the relevant environment rules are put into effect the content of the chromium in the strict restriction Dyclo paint.In addition, this coating curing temperature is up to 300 ℃, and also reach about 30 minutes set time, and energy consumption is large; Hardness is low, wears no resistance.Workpiece usually can be subject to scratch, scratch in transportation, assembling, use procedure, affect outward appearance and the solidity to corrosion of product.
Aluminum Coating (chromium-free Dyclo) as the renewal product of Dacroment at first by the general recognition and acceptance of automobile manufacture industry.Non-chromium Zn-al Coating has realized that at present the product of industrialization is very few, and a kind of is the Geomet(Geomet of being released by U.S. MCI company) coating, a kind of is the Delta coating that German DELTA company releases, above two kinds of coatings are generally used in developed country.
At present, the commercial application of Chrome-free Dacromet Technology is all arranged, but the more traditional Dacromet/steel of the solidity to corrosion of coating obviously reduces both at home and abroad, and need to use with the collocation of another layer organic coating, greatly increased cost.The cost of Non-chromium Zn-al Coating is more much higher than zinc-chromium coating, so its price is very high.The German spot price of Delta slurries is that 40 Euros/kilogram, the Japanese spot price of Geomet Geomet slurries are 1750 yen/kilogram, estimates that thus they all should be more than 250 yuans/kilogram in the sale price of China.Therefore, working out the chromium-free Dyclo paint that corrosion resisting property that a kind of cost is not higher than traditional Dyclo paint and existing zinc-aluminium coating, coating is not less than traditional zinc-chromium coating is the focus of domestic and international anti-corrosion of metal research.
Summary of the invention
For problems of the prior art, the present invention aim to provide a kind of nickeliferous-the Non-chromium Zn-al Coating protective system of magnesium-silicon and preparation method thereof.
Concrete technical scheme of the present invention is as follows:
A kind of nickeliferous-the Non-chromium Zn-al Coating protective system of magnesium-silicon, it is characterized in that: be comprised of by the 3:1 mass ratio the two components of A, B, wherein: the prescription quality per-cent of A component is:
Aluminium zinc powder 25 ~ 40%
Nano silicon 20 ~ 30%
Sodium lignosulfonate 12 ~ 18%
Benzotriazole 3 ~ 5%
Thio-diethylene glycol 0.2 ~ 0.5%
Triphenylphosphine 0.2 ~ 0.5%
The deionized water surplus
The prescription quality per-cent of B component is:
Zirconium tetrafluoride 20-30%
γ-aminopropyl triethoxysilane 15 ~ 20%
Myo-Inositol hexaphosphate 10 ~ 18%
Cellaburate 2 ~ 5%
Ethanol 5-9%
The deionized water surplus
Wherein, described aluminium zinc powder is comprised of Zn, Al, Ni, Mg, silicon.
Wherein, the particle diameter of described nano silicon is 20 ~ 50nm.
Wherein, each composition mass percent of described aluminium zinc powder is: Zn:60 ~ 70%, and Ni:0.5% ~ 0.8%, Mg:0.1% ~ 0.2%, Si:0.5% ~ 1.0%, surplus is Al and inevitable impurity.
Preferably, a kind of nickeliferous-the Non-chromium Zn-al Coating protective system of magnesium-silicon, it is characterized in that: be comprised of by the 3:1 mass ratio the two components of A, B, wherein: the prescription quality per-cent of A component is:
Aluminium zinc powder 32%
Nano silicon 25%
Sodium lignosulfonate 15%
Benzotriazole 4%
Thio-diethylene glycol 0.35%
Triphenylphosphine 0.35%
The deionized water surplus
The prescription quality per-cent of B component is:
Zirconium tetrafluoride 25%
γ-aminopropyl triethoxysilane 18%
Myo-Inositol hexaphosphate 14%
Cellaburate 3.5%
Ethanol 7%
The deionized water surplus
Wherein, described aluminium zinc powder is comprised of Zn, Al, Ni, Mg, Si.
Wherein, the particle diameter of described nano silicon is 20 ~ 50nm.
Wherein, each composition mass percent of described aluminium zinc powder is: Zn:60 ~ 70%, and Ni:0.5% ~ 0.8%, Mg:0.1% ~ 0.2%, Si:0.5% ~ 1.0%, surplus is Al and inevitable impurity.
The present invention also provides a kind of method for preparing the Non-chromium Zn-al Coating protective system of nickeliferous-magnesium-silicon, it is characterized in that:
(1) at first, press the prescription in the A component, take by weighing quantitative sodium lignosulfonate, benzotriazole, thio-diethylene glycol, triphenylphosphine and dissolve in the deionized water, then under whipped state, slowly add nano silicon, the aluminium zinc powder leaves standstill after stirring 2h;
(2) press prescription in the B component, take by weighing quantitative zirconium tetrafluoride, γ-aminopropyl triethoxysilane, myo-Inositol hexaphosphate and slowly join deionized water for stirring, slowly add while stirring cellaburate and ethanol after mixing, leave standstill after continuing to stir 2h;
(3) will leave standstill the above A component of 4h and B component in mass ratio 3:1 mix and namely get described Non-chromium Zn-al Coating protective system.
Non-chromium Zn-al Coating of the present invention and zinc-chromium coating are close applying production technique.After part was carried out pre-treatment, Non-chromium Zn-al Coating was the same with zinc-chromium coating, the dipping of employing routine-centrifugal, spraying or dipping-drop liquid-centrifugal coating processes.Part behind the primary coating heats under 170 ℃ of conditions to be kept 15 minutes after fixing and obtains coating, carry out applying curing second time after then will part taking out cooling, and the regelate temperature is 170 ℃, time length 15-20 minute.Can obtain different coat-thicknesses by the processing parameter of adjusting coating procedure.
Beneficial effect of the present invention: adopt coating of the present invention to make antiseptic engineering component and have many excellent properties, as: the solidity to corrosion that the coating curing temperature is low, excellent, good shock resistance, strong with basal body binding force, with other various additional coatings preferably bonding force is arranged also simultaneously, remedied simultaneously the lower deficiency of self hardness in the prior art, coating wear resistance is good, and high heat/corrosion resistance is fabulous, the extreme environment long service life.That product of the present invention has is nontoxic, harmless, pollution-free, low temperature fast processing, the characteristics such as simple to operate, raw material sources are extensive, price is low, cleaner production, the home market price of Non-chromium Zn-al Coating slurries of the present invention only is 120 yuans/kilogram, thereby the processing that greatly reduces Non-chromium Zn-al Coating applies cost, for China's large-scale application Non-chromium Zn-al Coating has been created condition.
Embodiment
The below provides some preferred embodiments of formulation for coating material proportioning of the present invention, but the numerical value that the content of each moiety of the present invention is not limited to provide, for a person skilled in the art, can in the prescription numerical range, reasonably summarize and reasoning fully.
Embodiment 1:
A kind of nickeliferous-the Non-chromium Zn-al Coating protective system of magnesium-silicon, formed by the 3:1 mass ratio by the two components of A, B, wherein: the prescription quality per-cent of A component is:
Aluminium zinc powder 32%
Nano silicon 25%
Sodium lignosulfonate 15%
Benzotriazole 4%
Thio-diethylene glycol 0.35%
Triphenylphosphine 0.35%
The deionized water surplus
The prescription quality per-cent of B component is:
Zirconium tetrafluoride 25%
γ-aminopropyl triethoxysilane 18%
Myo-Inositol hexaphosphate 14%
Cellaburate 3.5%
Ethanol 7%
The deionized water surplus
Wherein, described aluminium zinc powder is comprised of Zn, Al, Ni, Mg, Si.
Wherein, the particle diameter of described nano silicon is 20 ~ 50nm.
Prepare above-mentioned nickeliferous-method of the Non-chromium Zn-al Coating protective system of magnesium-silicon:
(1) at first, press the prescription in the A component, take by weighing quantitative sodium lignosulfonate, benzotriazole, thio-diethylene glycol, triphenylphosphine and dissolve in the deionized water, then under whipped state, slowly add nano silicon, the aluminium zinc powder leaves standstill after stirring 2h;
(2) press prescription in the B component, take by weighing quantitative zirconium tetrafluoride, γ-aminopropyl triethoxysilane, myo-Inositol hexaphosphate and slowly join deionized water for stirring, slowly add while stirring cellaburate and ethanol after mixing, leave standstill after continuing to stir 2h;
(3) will leave standstill the above A component of 4h and B component in mass ratio 3:1 mix and namely get described Non-chromium Zn-al Coating protective system.
Embodiment 2:
A kind of nickeliferous-the Non-chromium Zn-al Coating protective system of magnesium-silicon, formed by the 3:1 mass ratio by the two components of A, B, wherein: the prescription quality per-cent of A component is:
Aluminium zinc powder 25%
Nano silicon 30%
Sodium lignosulfonate 12%
Benzotriazole 5%
Thio-diethylene glycol 0.2%
Triphenylphosphine 0.5%
The deionized water surplus
The prescription quality per-cent of B component is:
Zirconium tetrafluoride 20%
γ-aminopropyl triethoxysilane 20%
Myo-Inositol hexaphosphate 10%
Cellaburate 5%
Ethanol 5%
The deionized water surplus
Wherein, described aluminium zinc powder is comprised of Zn, Al, Ni, Mg, Si.
Wherein, the particle diameter of described nano silicon is 20 ~ 50nm.
The preparation method is with embodiment 1.
Embodiment 3:
A kind of nickeliferous-the Non-chromium Zn-al Coating protective system of magnesium-silicon, formed by the 3:1 mass ratio by the two components of A, B, wherein: the prescription quality per-cent of A component is:
Aluminium zinc powder 40%
Nano silicon 20%
Sodium lignosulfonate 18%
Benzotriazole 3%
Thio-diethylene glycol 0.5%
Triphenylphosphine 0.2%
The deionized water surplus
The prescription quality per-cent of B component is:
Zirconium tetrafluoride 30%
γ-aminopropyl triethoxysilane 15%
Myo-Inositol hexaphosphate 18%
Cellaburate 2%
Ethanol 9%
The deionized water surplus
Wherein, described aluminium zinc powder is comprised of Zn, Al, Ni, Mg, Si.
Wherein, the particle diameter of described nano silicon is 20 ~ 50nm.
The preparation method is with embodiment 1.
Embodiment 4:
A kind of nickeliferous-the Non-chromium Zn-al Coating protective system of magnesium-silicon, formed by the 3:1 mass ratio by the two components of A, B, wherein: the prescription quality per-cent of A component is:
Aluminium zinc powder 26%
Nano silicon 29%
Sodium lignosulfonate 13%
Benzotriazole 4.5%
Thio-diethylene glycol 0.25%
Triphenylphosphine 0.45%
The deionized water surplus
The prescription quality per-cent of B component is:
Zirconium tetrafluoride 22%
γ-aminopropyl triethoxysilane 18.5%
Myo-Inositol hexaphosphate 12%
Cellaburate 4.5%
Ethanol 6%
The deionized water surplus
Wherein, described aluminium zinc powder is comprised of Zn, Al, Ni, Mg, Si.
Wherein, the particle diameter of described nano silicon is 20 ~ 50nm.
The preparation method is with embodiment 1.
Embodiment 5:
A kind of nickeliferous-the Non-chromium Zn-al Coating protective system of magnesium-silicon, formed by the 3:1 mass ratio by the two components of A, B, wherein: the prescription quality per-cent of A component is:
Aluminium zinc powder 38%
Nano silicon 22%
Sodium lignosulfonate 17%
Benzotriazole 3.5%
Thio-diethylene glycol 0.45%
Triphenylphosphine 0.25%
The deionized water surplus
The prescription quality per-cent of B component is:
Zirconium tetrafluoride 28%
γ-aminopropyl triethoxysilane 16%
Myo-Inositol hexaphosphate 17%
Cellaburate 2.5%
Ethanol 8%
The deionized water surplus
Wherein, described aluminium zinc powder is comprised of Zn, Al, Ni, Mg, Si.
Wherein, the particle diameter of described nano silicon is 20 ~ 50nm.
The preparation method is with embodiment 1.
Aluminium zinc powder described in the above embodiment 1 ~ 5 is by Zn, Al, Ni and Mg form, below, associative list 1 provides some preferred embodiments of each moiety mass percent of aluminium zinc powder of the present invention, but the content of each moiety of aluminium zinc powder of the present invention is not limited to listed numerical value in this table, and of particular note, although provided the mass percent numerical value of Related Component in the table 1, but these are described as essential features, all be as preferred condition, all be in order to provide in more detail technical intelligence of the present invention, and described as prerequisite of the present invention.
Each moiety mass percentage content (%) of table 1 aluminium zinc powder
Above-mentioned 5 kinds of embodiment nickeliferous-performance test of the coating of the Non-chromium Zn-al Coating protective system of magnesium-silicon is as follows:
(1) erosion resistance of coating
Adopt two kinds of method tests of anti-ammonium nitrate and salt-fog test.
Neutral salt spray test is undertaken by GB/T1771 " the anti-neutral salt spray performance measurement of paint and varnish ", test conditions is: sodium-chlor (50 ± 10) g/L, pH:6.5 ~ 7.2, salt fog the temperature inside the box: (35 ± 2) ℃, the specimen surface corrosion condition is recorded in spraying simultaneously continuously.
The operation steps of anti-ammonium nitrate test is as follows: the ammonium nitrate solution of preparation 20% in beaker, and beaker is put into water bath with thermostatic control be heated to (70 ± 1) ℃.(with thermometer measure and control bath temperature), all or part of dipping of the model that will test wherein hang fixingly, and the time of red rust appears in the record model.
(2) shock-resistance of coating
Adopt GB/T l732-1993 " the shock-resistant assay method of paint film " to judge the shock-resistance of coating.Step is as follows: the test plate (panel) paint film of will painting lies on the anvil up, and the test plate (panel) part edge that is hit is not less than 15mm, and the edge of each shock point is at a distance of being less than 15mm.The a certain height (this height is stipulated by product standard or decided through consultation) that weight borrows control device to be fixed on slide cartridge is pressed control knob, and weight namely freely falls within on the drift.Mention weight, take out test plate (panel), the record weight falls within the height on the test plate (panel).Same test plate (panel) carries out shock test 3 times.Observe with 4 times of magnifying glasses, judge that paint film has flawless, wrinkle and the phenomenon such as peels off.
(3) coating humidity resistance
Adopt GB/T1740-1979 " paint film wet-heat resisting assay method " to judge the humidity resistance of coating.
Performance test data:
Certain marine oil company drilling well vital part drill conductor (material 35CrMo), the former protective treatment of adopting routine only namely produces significant corrosion after the several months.Adopt coating of the present invention to apply on the phosphatize phosphate coat basis and form 30 μ m thick coatings, show that through the accelerated corrosion analog reslt its main performance index that reaches is in seawater splash band environment:
| ? | The neutral salt spray corrosion life | 300 ℃ of humidity resistance life-spans | The coating shock-resistance | The quick corrosion life of ammonium nitrate |
| Embodiment 1 | Greater than 1400 hours | Greater than 240 hours | 50N | Greater than 9 hours |
| Embodiment 2 | Greater than 1200 hours | Greater than 200 hours | 50N | Greater than 8 hours |
| Embodiment 3 | Greater than 1200 hours | Greater than 200 hours | 50N | Greater than 8 hours |
| Embodiment 4 | Greater than 1200 hours | Greater than 200 hours | 50N | Greater than 8 hours |
| Embodiment 5 | Greater than 1200 hours | Greater than 200 hours | 50N | Greater than 8 hours |
Claims (2)
1. the Non-chromium Zn-al Coating protective system of nickeliferous-magnesium-silicon is characterized in that: be comprised of by the 3:1 mass ratio the two components of A, B, wherein: the prescription quality per-cent of A component is:
Aluminium zinc powder 32%
Nano silicon 25%
Sodium lignosulfonate 15%
Benzotriazole 4%
Thio-diethylene glycol 0.35%
Triphenylphosphine 0.35%
The deionized water surplus
The prescription quality per-cent of B component is:
Zirconium tetrafluoride 25%
γ-aminopropyl triethoxysilane 18%
Myo-Inositol hexaphosphate 14%
Cellaburate 3.5%
Ethanol 7%
The deionized water surplus
The particle diameter of described nano silicon is 20 ~ 50nm;
Described aluminium zinc powder is comprised of Zn, Al, Ni, Mg, Si, and the mass percent of each component is: Zn:60 ~ 70%, and Ni:0.5% ~ 0.8%, Mg:0.1% ~ 0.2%, Si:0.5% ~ 1.0%, surplus is Al and inevitable impurity.
According to claim 1 a kind of nickeliferous-the Non-chromium Zn-al Coating protective system of magnesium-silicon, it is characterized in that, the preparation method is:
(1) at first, press the prescription in the A component, take by weighing quantitative sodium lignosulfonate, benzotriazole, thio-diethylene glycol, triphenylphosphine and dissolve in the deionized water, then under whipped state, slowly add nano silicon, the aluminium zinc powder leaves standstill after stirring 2h;
(2) press prescription in the B component, take by weighing quantitative zirconium tetrafluoride, γ-aminopropyl triethoxysilane, myo-Inositol hexaphosphate and slowly join deionized water for stirring, slowly add while stirring cellaburate and ethanol after mixing, leave standstill after continuing to stir 2h;
(3) will leave standstill the above A component of 4h and B component in mass ratio 3:1 mix and namely get described Non-chromium Zn-al Coating protective system.
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Address after: 314500 Dao Cun Cun, zhouquan Town, Tongxiang City, Jiaxing City, Zhejiang Province Patentee after: Tongxiang Tongde Electric Power Accessories Co., Ltd Address before: 314500 Dao Cun Cun, zhouquan Town, Tongxiang City, Jiaxing City, Zhejiang Province Patentee before: TONGXIANG TONGDE ELECTRIC POWER FITTING Co.,Ltd. |