CN105733430A - Surface treatment agent for hot-dip Al-Zn coated steel sheet, the hot-dip Al-Zn coated steel sheet and production method thereof - Google Patents

Surface treatment agent for hot-dip Al-Zn coated steel sheet, the hot-dip Al-Zn coated steel sheet and production method thereof Download PDF

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Publication number
CN105733430A
CN105733430A CN201410766495.9A CN201410766495A CN105733430A CN 105733430 A CN105733430 A CN 105733430A CN 201410766495 A CN201410766495 A CN 201410766495A CN 105733430 A CN105733430 A CN 105733430A
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hot
steel plate
dip aluminizing
dip
aluminizing zincium
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杨家云
马源
戴毅刚
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Baoshan Iron and Steel Co Ltd
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Baoshan Iron and Steel Co Ltd
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Priority to CN201410766495.9A priority Critical patent/CN105733430A/en
Priority to PT2015095361A priority patent/PT2016091059B/en
Priority to JP2017529071A priority patent/JP6603319B2/en
Priority to AU2015361631A priority patent/AU2015361631B9/en
Priority to PCT/CN2015/095361 priority patent/WO2016091059A1/en
Publication of CN105733430A publication Critical patent/CN105733430A/en
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08Anti-corrosive paints
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08Anti-corrosive paints
    • C09D5/12Wash primers

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Coating With Molten Metal (AREA)

Abstract

The invention discloses a surface treatment agent for a hot-dip Al-Zn coated steel sheet, which includes the following component, by mass, 45-85 parts of aqueous aliphatic polyurethane resin, 5-20 parts of an organic silicon compound, 3-15 parts of a carbodiimide compound emulsion, 1-5 parts of an water-soluble metal salt compound on the basis of metal element, 1-10 parts of an aqueous zirconium compound on the basis of zirconium oxide, 1-10 parts of water-dispersing nano clay, and 1-15 parts of a fluorine-containing polymer lubricating aid. The hot-dip Al-Zn coated steel sheet is coated with a composite coating formed by the surface treatment agent. A production method of the hot-dip Al-Zn coated steel sheet includes the steps of directly coating at least one surface of the hot-dip Al-Zn coated steel sheet with the surface treatment agent and drying the steel sheet at 80-180 DEG C to prepare the hot-dip Al-Zn coated steel sheet having the composite coating thereon. The steel sheet has excellent corrosion resistance, stain resistance and processability.

Description

A kind of hot-dip aluminizing zincium steel plate surface conditioning agent, hot-dip aluminizing zincium steel plate and manufacture method thereof
Technical field
The present invention relates to a kind of steel plate surface conditioning agent, particularly relate to a kind of clad steel sheet surface conditioning agent.A kind of clad steel sheet and manufacture method thereof are the invention still further relates to.
Background technology
There is the performance characteristics such as good corrosion resistance, high heat reflectivity, thermostability and decorative appearance due to hot-dip aluminizing zincium steel plate, therefore it is widely used in the every field such as building, household electrical appliances, such as, the roof of the lightweight steel construction in building trade and metope, purlin, floor support plate, guardrail, sound barrier and drainage arrangement etc., again such as, the large electric appliances backboard in household electric appliances, Electric Appliance Cabinet shell and household electrical appliances chassis light etc..Especially, when hot-dip aluminizing zincium steel plate is as household electrical appliances open air part, hot-dip aluminizing zincium steel plate is proposed more strict requirement by outdoor harsh Service Environment: possess excellent corrosion resisting property than if desired for surface of steel plate, to ensure not to be corroded in steel plate process under arms;Such as require that again surface of steel plate has good anti-stain characteristic energy, to prevent the pollutant in outdoor environment to be easily attached to surface of steel plate.Meanwhile, the hot-dip aluminizing zincium steel plate for household appliances also needs to through continuous punch forming, and the processing characteristics of steel is had higher requirement again by this.Additionally, hot-dip aluminizing zincium steel plate surface must also have good lubricity and abrasion resistance, after punching press, namely ensure that surface of steel plate is not by friction blackout or plough wound such that it is able within the time one longer, provide good corrosion resisting property.
Publication number is CN1247777A, publication date is on March 22nd, 2000, name is called that the Chinese patent literature of " aluminum-zinc alloy coating steel products of resin coating " discloses the aluminum-zinc alloy coating steel products of a kind of resin coating, its have good formative, anti-chromium dissolubility, corrosion resistance, alkali resistance and can coating, will have the silane coupling agent of amino;Chromium ion;At least it is incorporated to containing in carboxyl and glycidyl acrylate copolymer resin emulsion that acid number is 10-60 selected from the alcohol one of having in the trihydroxylic alcohol of 2~3 carbon and dihydroxylic alcohols, and to make the pH of gained mixture be that 7-9 is to obtain containing chromium resin combination.Base material will be used containing chromium resin combination and use film to be formed, dry to obtain resin molding.Silane coupling agent consumption is the 0.5-3.0wt.% of the resin solid content of emulsion acrylic resin.The consumption of alcohol is the 25-150wt.% of chromium ion (B).Resin molding amount is 0.5-3.0g/m2.In resin molding, the content of chromium ion (B) is 5-50mg/m2.Resin combination disclosed in this patent documentation is that it does not possess good environmental-protecting performance and is not suitable for household electric appliances containing chromium product.
Publication number is CN1530462A, publication date is JIUYUE in 2004 22, name is called that the Chinese patent literature of the steel plate of the sub-lead series alloy of aluminizing processed with this inorganic agent " the metal material surface inorganic agent, " relates to a kind of metal material surface inorganic agent and the steel plate of sub-lead series alloy of aluminizing processed through this inorganic agent, and wherein this surface conditioning agent comprises: the aqueous resin that (A) has a carboxyl and acid amide combines;(B) one kind or two or more metallic compound is selected by the metallic compound of aluminum Al, magnesium Mg, calcium Ca, zinc Zn, nickel, cobalt Co, ferrum Fe, zirconium Zr, titanium Ti, vanadium V, tungsten W, manganese Mn and cerium Ce;(C) containing silicon compound but surface treating agent for metallic materials without chromium;It is coated with the steel plate containing aluminum sub-lead series alloy with what above-mentioned inorganic agent carried out surface treatment, is the coating containing above-mentioned (A) composition and (B) composition and (C) composition, is at least 0.2~5.0g/m through one side epithelium adhesion amount2And without the sub-lead series alloy-steel plate of aluminizing after the surface treatment of chromium.The technical scheme of above-mentioned patent documentation is not directed to anti-stain characteristic energy and the processing characteristics of Al-Zn coated steel.
Publication number is JP2007-321224A; publication date is December in 2007 13; name is called that the Japanese documentation of " the having the Al-Zn alloy coated steel sheet and manufacture method thereof that adopt chromate-free surface treatment of excellent corrosion resistance " discloses a kind of hot-dip aluminizing zincium steel plate with excellent corrosion resistance energy and water-fast adherence; being coated with chromium-free treatment organic/inorganic composite protection film at surface of steel plate, this protecting film contains silane-modified aqueous resin anion (R.A.), tetravalent vanadium compound and the composition such as phosphoric acid or its compound.
Summary of the invention
An object of the present invention is in that to provide a kind of hot-dip aluminizing zincium steel plate surface conditioning agent, and the steel plate after this surface conditioning agent is coated with has the corrosion resistance of excellence, excellent anti-staining and good processing characteristics.Additionally, without chromium and good stability in surface conditioning agent of the present invention, it has good environmental benefit and economic benefit.
In order to realize object above, the present invention proposes a kind of hot-dip aluminizing zincium steel plate surface conditioning agent, and its each constituent mass number is:
Aqueous aliphatic polyurethane resin: 45-85 part;
Organosilicon compound: 5-20 part;
Carbodiimide compound emulsion: 3-15 part;
Water-soluble metal salt compounds, it is with the mass fraction of elemental metal for 1-5 part;
Water solublity Zirconium compound, its mass fraction counted with zirconium oxide is 1-10 part;
Water-dispersion type nanoclay: 1-10 part;
Fluoropolymers lubricating auxiliary agent: 1-15 part.
In technique scheme, aqueous aliphatic polyurethane resin is a kind of aliphatic anionic water type polyurethane resin based on PEPA, and it can be aqueous solution can also be water-dispersion type, and its solid content is 30-40%.When the mass fraction of aqueous aliphatic polyurethane resin is lower than 45 parts, the weatherability of coating and corrosion resistance all can reduce;When the mass fraction of this component is more than 85 parts, the alkali resistance of coating can be deteriorated.Preferably, it is possible to control to be 55~70 parts by the mass fraction of aqueous aliphatic polyurethane resin.
The mass fraction of organosilicon compound is set as that the reason of 5~20 parts is in that by the technical program: if the mass fraction of organosilicon compound is less than 5 parts, the tack of coating and corrosion resistance can decline;If the mass fraction of organosilicon compound is more than 20 parts, the corrosion resisting property of coating will reduce, and the stability of surface conditioning agent also can be deteriorated.Further, it is also possible to the mass fraction of organosilicon compound is set as 7~15 parts.
In the inventive solutions, carbodiimide compound emulsion can react with the carboxyl in aqueous aliphatic polyurethane resin, to improve the crosslinking degree of composite coating.If the mass fraction of carbodiimide compound emulsion is lower than 3 parts, then carbodiimide compound emulsion can be inconspicuous to the crosslinked action of aqueous aliphatic polyurethane resin, the crosslinking degree of coating can cause the reduction of corrosion resisting property not;If the mass fraction of carbodiimide compound emulsion is higher than 15 parts, then the reaction between carbodiimide compound emulsion and aqueous aliphatic polyurethane resin is excessively strong, it is easy to produce gelatin phenomenon, thus can cause that the stability of surface conditioning agent declines.In order to obtain superior technique effect, it is also possible to control to be 4~10 parts by the mass fraction of carbodiimide compound emulsion further.
At this, it is necessary to explanation, the solid content of the carbodiimides in above-mentioned carbodiimide compound emulsion is 35-50%, and the equivalent of carbodiimides is 380~590.
Additionally, for water-soluble metal salt compounds, with the mass fraction of its contained elemental metal for 1-5 part.When the mass fraction of total amount of the metallic element having in water-soluble metal salt compounds is lower than 1 part, expand erosion ability under the anti-film of coating poor;When the mass fraction of the total amount of the metallic element having in water-soluble metal salt compounds is higher than 5 parts, the stability of surface conditioning agent is had impact by metal ion, causes that surface conditioning agent stability declines.Preferably, the mass fraction of water-soluble metal salt compounds is designed as 2~4 parts.
Based on technical scheme, the mass fraction that water solublity Zirconium compound is according to zirconium oxide meter adds.If in the mass fraction of zirconium oxide less than 1 part, coating ultraviolet aging resistance and adhesive force all can be poor;If in the mass fraction of zirconium oxide more than 10 parts, will cause that surface conditioning agent stability declines.Preferably, the mass fraction of water solublity Zirconium compound can be designed as 3~6 parts.
The mass fraction of the water-dispersion type nanoclay in surface conditioning agent is designed as 1~10 part and is because by the present invention: if the mass fraction of water-dispersion type nanoclay is less than 1 part, then may result in the reduction of the corrosion resistance of coating and anti-stain characteristic;If the mass fraction of water-dispersion type nanoclay is more than 10 parts, then the viscosity of surface conditioning agent will be significantly increased, thus causing surface conditioning agent application property and stability to decline.Preferably, it is possible to the mass fraction of water-dispersion type nanoclay is designed as 2~6 parts.
The mass fraction of fluoropolymers lubricating auxiliary agent is controlled to be 1~15 part by technical scheme, and its reason is: when the mass fraction of fluoropolymers lubricating auxiliary agent is less than 1 part, the lubricity of coating is inadequate;When the mass fraction of fluoropolymers lubricating auxiliary agent is more than 15 parts, corrosion resistance and the weatherability of coating are all likely to decrease.As a kind of set point being more highly preferred to, control to be 3~10 parts by the mass fraction of fluoropolymers lubricating auxiliary agent.
Further, in hot-dip aluminizing zincium steel plate surface conditioning agent of the present invention, above-mentioned organosilicon compound is at least one of silicic acid, silicate, silica sol and organo silane coupling agent.
Further, in hot-dip aluminizing zincium steel plate surface conditioning agent of the present invention, above-mentioned organosilicon compound is organo silane coupling agent, and described organo silane coupling agent is at least one of vinyl-based silane coupler, epoxy radicals one type of silane coupling agent and sulfydryl one type of silane coupling agent.
Further, in hot-dip aluminizing zincium steel plate surface conditioning agent of the present invention, above-mentioned water solublity Zirconium compound is zirconium carbonate amine.
Further, in hot-dip aluminizing zincium steel plate surface conditioning agent of the present invention, above-mentioned water-dispersion type nanoclay be nano imvite, nano-bentonite and polyphosphate modified Nano bentonitic at least one.
For polyphosphate modified Nano bentonite, it can tile in the coating equably with nanoscale twins, to significantly increase the corrosion resistance of coating and anti-staining.
Further, in hot-dip aluminizing zincium steel plate surface conditioning agent of the present invention, above-mentioned fluoropolymers lubricating auxiliary agent is polytetrafluoroethylwax wax and/or Polytetrafluoroethylene emulsion.
Further, in hot-dip aluminizing zincium steel plate surface conditioning agent of the present invention, the mean particle diameter of above-mentioned fluoropolymers lubricating auxiliary agent is 0.1~2.0 micron.
Inventor have found that, when the mean particle diameter of fluoropolymers lubricating auxiliary agent is lower than 0.1 micron or higher than 2.0 microns, the processing characteristics of composite coating all can be made to decline.Therefore, in order to improve the processing characteristics of the steel plate being coated with composite coating, it is desirable to the mean particle diameter of fluoropolymers lubricating auxiliary agent is limited between 0.1~2.0 micrometer range;Better, it is also possible to the mean particle diameter of fluoropolymers lubricating auxiliary agent is controlled between 0.3~1.0 micron.
Another object of the present invention also resides in a kind of hot-dip aluminizing zincium steel plate of offer, and this hot-dip aluminizing zincium steel plate has the corrosion resistance of excellence, and excellent surface resists staining and good processing characteristics.Additionally, surface treated agent coating after hot-dip aluminizing zincium steel plate on its surface without harmful chromium element, belong to environment-friendly products, it is possible to be applied to the relevant industries fields such as building, household electrical appliances.
In order to achieve the above object, the invention provides a kind of hot-dip aluminizing zincium steel plate, its surface has the composite coating of any one surface conditioning agent coating as mentioned above.
Further, the build of the composite coating of hot-dip aluminizing zincium steel plate of the present invention is 1-3 micron.
If the build of composite coating is less than 1 micron, be coated on surface of steel plate composite coating can ratio relatively thin, thus the decline of the combination properties such as the punch process of steel plate, corrosion resistance, anti-stain characteristic can be caused.
Correspondingly, the invention also discloses the manufacture method of above-mentioned hot-dip aluminizing zincium steel plate, comprising: at least one coating surface inorganic agent directly on a surface of hot-dip aluminizing zincium steel plate, dry at 80~180 DEG C, surface must be arrived there is the hot-dip aluminizing zincium steel plate of composite coating.
What the hot-dip aluminizing zincium steel plate obtained by above-mentioned manufacture method was adopted is the primary coating mode to surface of steel plate, after being coated with, is dried between 80~180 DEG C at once, has the hot-dip aluminizing zincium steel plate of composite coating obtaining surface.If temperature is lower than 80 DEG C, then composite coating crosslinking is abundant not, to cause the decline of its properties;If temperature is higher than 180 DEG C, then the performance of the constituent part in surface conditioning agent can change, thus affecting the final effect of the composite coating being coated on steel plate.
In technique scheme, it is possible to adopt the mode coating composite coating directly on a surface at hot-dip aluminizing zincium steel plate of roller coat or spraying.
For technique scheme, it is possible to be only coated with above-mentioned composite coating in the one side of hot-dip aluminizing zincium steel plate, it is also possible to be coated with above-mentioned composite coating on the two sides of hot-dip aluminizing zincium steel plate.
In the manufacture method of hot-dip aluminizing zincium steel plate of the present invention, the mode of heat drying composite coating has no particular limits, it is possible to take the mode of heating such as Hot-blast Heating, sensing heating, Infrared Heating.
After adopting hot-dip aluminizing zincium steel plate surface conditioning agent of the present invention to be coated on surface of steel plate, this steel plate has the corrosion resistance of excellence, excellent anti-staining, good processing characteristics and good weatherability.
It addition, without chromium and system status good stability in surface conditioning agent of the present invention, it has preferably environmental benefit and economic benefit.
After hot-dip aluminizing zincium steel plate surface treated agent of the present invention coating, there is good corrosion resistance, the anti-combination property such as staining, weatherability and processing characteristics.
The manufacture method adopting hot-dip aluminizing zincium steel plate of the present invention be obtained in that have excellence decay resistance, excellent surface resist the hot-dip aluminizing zincium steel plate staining performance, good weatherability and good processing characteristics.
Detailed description of the invention
Below in conjunction with specific embodiments hot-dip aluminizing zincium steel plate surface conditioning agent of the present invention is made further explanation with hot-dip aluminizing zincium steel plate and manufacture method thereof, but, technical scheme is not constituted improper restriction by this explanation and explanation.
Embodiment 1-7 and comparative example 1-3
The hot-dip aluminizing zincium steel plate that embodiment 1-7 and comparative example 1-3 all adopts thickness of slab to be 1.0mm, coating surface inorganic agent (mass fraction of each component in surface conditioning agent refers to table 1) at least one surface of hot-dip aluminizing zincium steel plate, dry at 80~180 DEG C, surface must be arrived there is the hot-dip aluminizing zincium steel plate of composite coating, the build of composite coating is 1~3 micron, and concrete Drying Technology Parameter refers to table 2.
Table 1 lists the mass fraction of each component of the composite coating in embodiment 1-7 and comparative example 1-3.
Table 1.
* note: A is aqueous aliphatic polyurethane resin, and B1 is vinyltrimethoxy silane, and B2 is glycidoxypropyl group trimethoxy silicon, and B3 is aminopropyl triethoxysilane;C is carbodiimide compound emulsion;D1 is vanadium oxide, and D2 is ammonium titanium fluoride;E is zirconium carbonate amine;F1 is polyphosphate modified nano montmorillonite, and F2 is nano-bentonite, and F3 is nano imvite;G1 is polytetrafluoroethylwax wax, and G2 is Polytetrafluoroethylene emulsion.
Table 2 lists the Drying Technology Parameter in the manufacture method of the hot-dip aluminizing zincium steel plate in embodiment 1-7 and comparative example 1-3.
Table 2.
Sequence number Baking temperature (DEG C)
Embodiment 1 100
Embodiment 2 90
Embodiment 3 120
Embodiment 4 130
Embodiment 5 110
Embodiment 6 140
Embodiment 7 150
Comparative example 1 80
Comparative example 2 120
Comparative example 3 120
By in above-described embodiment 1-7 and comparative example 1-3 through surface conditioning agent be coated with after hot-dip aluminizing zincium steel plate according to following test mode regulation sample after and test, thus by obtain evaluate its properties test data be listed in table 3.Wherein, the test evaluating its various performance parameters is as follows:
1) corrosion resisting property
Test sample plate (flat board) is carried out salt spraytest, and test standard is ASTMB117, and test period is 240 hours, and evaluation criterion is as follows:
◎: white rust area occupation ratio is less than or equal to 5%;
Zero: white rust area occupation ratio is more than 5% and less than or equal to 10%;
Δ: white rust area occupation ratio is more than 10% and less than or equal to 50%;
×: white rust area occupation ratio is more than 50%.
2) anti-stain characteristic energy
5% white carbon black suspension is dripped on test sample plate surface, forming it into diameter, to be about the subcircular of 50mm water stain, takes out, dry up after washing away remained on surface white carbon black in 60 DEG C of baking ovens after toasting 1h, measuring the change of value of chromatism (Δ E*) before and after in water stain region, evaluation criterion is as follows:
◎: value of chromatism Δ E* less than or equal to 3.0, and surface anti-stain characteristic can be excellent;
Zero: value of chromatism Δ E* is more than 3.0 and less than or equal to 6.0;
Δ: value of chromatism Δ E* is more than 6.0 and less than or equal to 9.0;
×: value of chromatism Δ E* is more than 9.0, and surface contamination is serious.
3) processing characteristics
After test sample plate is carried out the curved test of T by 3a., the peeling degree of epithelium after adopting the method evaluation that adhesive tape is peeled off to process, evaluation criterion is as follows:
◎: 2T epithelium is without peeling;
Zero: 3T epithelium is without peeling;
Δ: 4T epithelium is without peeling;
×: 5T epithelium is without peeling.
3b. uses the test of bead method, experiment condition: fixing pearl downforce 3KN, pressure head diameter is 9.6mm, and drawing speed is 200mm/min.Outward appearance after drawing is observed, and evaluation criterion is as follows:
◎: outward appearance is unchanged;
Zero: a small amount of stain of outward appearance;
Δ: the more obvious blackstreak of outward appearance;
×: outward appearance is turned black comprehensively.
4) weather resistance
Being placed in ultraviolet aging test chamber by model (UVB-313 fluorescent tube), 8h is a cycle period, 4h ultraviolet lighting, blackboard temperature 60 ± 3 DEG C;4h condenses, blackboard temperature 50 ± 3 DEG C, after 600h, model outward appearance is observed and is tested it and protect light rate, and evaluation criterion is as follows:
◎: model outward appearance, without significant change, protects light rate be more than or equal to 70%;
Zero: model outward appearance generation small change, protect light rate be more than or equal to 50% and less than 70%;
Δ: more apparent change occurs model outward appearance, protects light rate be more than or equal to 30% and less than 50%;
×: there is serious change in model outward appearance, protects light rate less than 30%.
5) storage stability
Being placed under room temperature by surface conditioning agent, observe solution situation of change after 90 days, evaluation criterion is as follows:
◎: unchanged;
Zero: slight retrogradation (can normally use);
Δ: serious retrogradation;
×: gel.
Table 3 lists the various performance parameters of the hot-dip aluminizing zincium steel plate in embodiment 1-7 and comparative example 1-3 after surface treated agent coating.
Table 3.
Associative list 1 and table 3 can be seen that, owing to comparative example 1 not containing carbodiimide compound emulsion (C), therefore composite coating crosslinking degree is inadequate, thus causing its anti-stain characteristic, corrosion resistance and weatherability poor (its evaluation result is " Δ " or "×");Because comparative example 2 does not add water-dispersion type nanoclay (F), so the anti-stain characteristic of composite coating poor (its evaluation result is "×");Because comparative example 3 is not added with fluoropolymers lubricating auxiliary agent (G), therefore the processing characteristics of steel plate poor (its evaluation result is "×").
As can be seen from Table 3, compare to comparative example 1-3, hot-dip aluminizing zincium steel plate in embodiment 1-7 is after above-mentioned every test, its evaluation result is " ◎ " and " Ο ", and this describes the hot-dip aluminizing zincium steel plate after being coated with by surface conditioning agent of the present invention and all shows the corrosion resistance of excellence, excellent anti-stain characteristic, good weatherability and good processing characteristics.In addition, it can be seen that the storing state stability of the hot-dip aluminizing zincium steel plate in embodiment 1-7, the placement through the long period is not easy to qualitative change, such that it is able to avoid surface conditioning agent for the impact of the combination property of hot-dip aluminizing zincium steel plate as far as possible energy.
It should be noted that and listed above be only specific embodiments of the invention, it is clear that the invention is not restricted to above example, have many similar changes therewith.If all deformation that those skilled in the art directly derives from present disclosure or associates, protection scope of the present invention all should be belonged to.

Claims (10)

1. a hot-dip aluminizing zincium steel plate surface conditioning agent, it is characterised in that its each constituent mass number is:
Aqueous aliphatic polyurethane resin: 45-85 part;
Organosilicon compound: 5-20 part;
Carbodiimide compound emulsion: 3-15 part;
Water-soluble metal salt compounds, it is with the mass fraction of elemental metal for 1-5 part;
Water solublity Zirconium compound, its mass fraction counted with zirconium oxide is 1-10 part;
Water-dispersion type nanoclay: 1-10 part;
Fluoropolymers lubricating auxiliary agent: 1-15 part.
2. hot-dip aluminizing zincium steel plate surface conditioning agent as claimed in claim 1, it is characterised in that described organosilicon compound is at least one of silicic acid, silicate, silica sol and organo silane coupling agent.
3. hot-dip aluminizing zincium steel plate surface conditioning agent as claimed in claim 2, it is characterized in that, described organosilicon compound is organo silane coupling agent, and described organo silane coupling agent is at least one of vinyl-based silane coupler, epoxy radicals one type of silane coupling agent and sulfydryl one type of silane coupling agent.
4. hot-dip aluminizing zincium steel plate surface conditioning agent as claimed in claim 1, it is characterised in that described water solublity Zirconium compound is zirconium carbonate amine.
5. hot-dip aluminizing zincium steel plate surface conditioning agent as claimed in claim 1, it is characterised in that described water-dispersion type nanoclay be nano imvite, nano-bentonite and polyphosphate modified Nano bentonitic at least one.
6. hot-dip aluminizing zincium steel plate surface conditioning agent as claimed in claim 1, it is characterised in that described fluoropolymers lubricating auxiliary agent is polytetrafluoroethylwax wax and/or Polytetrafluoroethylene emulsion.
7. hot-dip aluminizing zincium steel plate surface conditioning agent as claimed in claim 1, it is characterised in that the mean particle diameter of described fluoropolymers lubricating auxiliary agent is 0.1-2.0 micron.
8. a hot-dip aluminizing zincium steel plate, its surface has employing composite coating of any one surface conditioning agent coating in claim 1-7.
9. hot-dip aluminizing zincium steel plate as claimed in claim 8, it is characterised in that the build of described composite coating is 1-3 micron.
10. the manufacture method of a hot-dip aluminizing zincium steel plate as claimed in claim 8, it is characterised in that: at least one coating surface inorganic agent directly on a surface of hot-dip aluminizing zincium steel plate, dry at 80-180 DEG C, surface must be arrived there is the hot-dip aluminizing zincium steel plate of composite coating.
CN201410766495.9A 2014-12-11 2014-12-11 Surface treatment agent for hot-dip Al-Zn coated steel sheet, the hot-dip Al-Zn coated steel sheet and production method thereof Pending CN105733430A (en)

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Application Number Priority Date Filing Date Title
CN201410766495.9A CN105733430A (en) 2014-12-11 2014-12-11 Surface treatment agent for hot-dip Al-Zn coated steel sheet, the hot-dip Al-Zn coated steel sheet and production method thereof
PT2015095361A PT2016091059B (en) 2014-12-11 2015-11-24 Surface treating agent for hot-dip aluminum-zinc steel plate, and hot-dip aluminum-zinc steel plate and manufacturing method therefor
JP2017529071A JP6603319B2 (en) 2014-12-11 2015-11-24 Surface treatment agent for hot dip galvanized steel sheet, hot dip galvanized steel sheet and method for producing the same
AU2015361631A AU2015361631B9 (en) 2014-12-11 2015-11-24 Surface treating agent for hot-dip aluminum-zinc steel plate, and hot-dip aluminum-zinc steel plate and manufacturing method therefor
PCT/CN2015/095361 WO2016091059A1 (en) 2014-12-11 2015-11-24 Surface treating agent for hot-dip aluminum-zinc steel plate, and hot-dip aluminum-zinc steel plate and manufacturing method therefor

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Cited By (5)

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