CN104175650A - All-chromium-free, passivated, colourized and galvanized steel plate and manufacturing method thereof - Google Patents
All-chromium-free, passivated, colourized and galvanized steel plate and manufacturing method thereof Download PDFInfo
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- CN104175650A CN104175650A CN201410429588.2A CN201410429588A CN104175650A CN 104175650 A CN104175650 A CN 104175650A CN 201410429588 A CN201410429588 A CN 201410429588A CN 104175650 A CN104175650 A CN 104175650A
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- chromium
- galvanized steel
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Abstract
The invention discloses an all-chromium-free, passivated, colourized and galvanized steel plate and a manufacturing method of the all-chromium-free, passivated, colourized and galvanized steel plate, wherein the manufacturing method of the all-chromium-free, passivated, colourized and galvanized steel plate comprises the following steps: dissolving dyes in all-chromium-free passivation solution; coating the surface of the galvanized steel plate by the all-chromium-free passivation solution dissolved with the dyes; and processing the all-chromium-free passivation solution on the surface of the galvanized steel plate so as to form an all-chromium-free, colourized and passivated film on the surface of the galvanized steel plate.
Description
Technical field
The present invention relates to iron and steel manufacturing technology field, relate in particular to a kind of completely without chromium passivating colored zinc plated steel and manufacture method thereof.
Background technology
Galvanized steel plain sheet is widely used in the industrial circles such as building materials, household electrical appliances, automobile, by applying zinc coat on general steel plate surface as negative electrode sacrifice property protective layer, can strengthen the decay resistance of general steel plate.
Colored zinc plated steel is not changing on the basis of its mechanical characteristic, makes galvanized steel plain sheet have bright-colored, the uniform outward appearance of color, thereby has ornamental preferably.
In prior art, in order to obtain the galvanized steel plain sheet of coloured appearance by passivation procedure, many employings apply galvanized steel plain sheet the method for colored trivalent chromium passivating film, but trivalent chromium is easily converted into Cr VI, has the problem of not environmental protection.
Summary of the invention
The present invention, by providing a kind of completely without chromium passivating colored zinc plated steel and manufacture method thereof, has solved chromatic passivation galvanized steel plain sheet of the prior art, has the technical problem of not environmental protection.
On the one hand, the present invention provides following technical scheme by one embodiment of the invention:
A manufacture method completely without chromium passivating colored zinc plated steel, comprising:
Dyestuff is dissolved in full chromium-free passivation liquid;
The full chromium-free passivation liquid that is dissolved with dyestuff is coated in to galvanized steel sheet surface;
Full chromium-free passivation liquid to described galvanized steel sheet surface is processed, colored completely without chromium passivation film to form at described galvanized steel sheet surface.
Preferably, described galvanized steel plain sheet is specially: hot-dip galvanizing sheet steel, or plated steel sheet.
Preferably, described dyestuff is dissolved in full chromium-free passivation liquid, comprises:
By dyestuff uniform dissolution in described full chromium-free passivation liquid.
Preferably, the described full chromium-free passivation liquid to described galvanized steel sheet surface is processed, and comprising:
To described, completely without chromium passivation film, be dried and solidify.
Preferably, the scope of described dry and curing temperature is: 80 ℃～120 ℃.
On the other hand, the present invention, by one embodiment of the invention, provides following technical scheme:
Completely without a chromium passivating colored zinc plated steel, comprising:
Galvanized steel plain sheet;
Colored completely without chromium passivation film, cover described galvanized steel sheet surface.
Preferably, described galvanized steel plain sheet is specially: hot-dip galvanizing sheet steel, or plated steel sheet.
Preferably, the scope of the thickness of described galvanized steel plain sheet is: 0.3 millimeter～2.5 millimeters.
Preferably, described colour completely without the scope of the thickness of chromium passivation film is: 0.5 micron～5 microns.
The present invention at least has following technique effect or advantage:
The invention discloses a kind of completely without chromium passivating colored zinc plated steel and manufacture method thereof, employing is mixed with the full chromium-free passivation liquid of dyestuff, at galvanized steel sheet surface, form colour that one deck is thin and fine and close completely without chromium passivation film, can not only make galvanized steel plain sheet there is colorful color, and have bright in luster, be difficult for fading, the advantage such as good decorative property, environmental protection, corrosion resistance are strong.
Accompanying drawing explanation
Fig. 1 is completely without the flow chart of the manufacture method of chromium passivating colored zinc plated steel in the embodiment of the present invention one;
Fig. 2 is completely without the structural representation of chromium passivating colored zinc plated steel in the embodiment of the present invention two.
The specific embodiment
The embodiment of the present invention, by providing a kind of completely without chromium passivating colored zinc plated steel and manufacture method thereof, has solved chromatic passivation galvanized steel plain sheet of the prior art, has the technical problem of not environmental protection.
In order better to understand technique scheme, below in conjunction with Figure of description and concrete embodiment, technique scheme is described in detail.
Embodiment mono-
As shown in Figure 1, the present embodiment provides a kind of manufacture method completely without chromium passivating colored zinc plated steel, comprising:
Step S101: dyestuff is dissolved in full chromium-free passivation liquid, and described full chromium-free passivation liquid is not containing chromium;
Step S102: the full chromium-free passivation liquid that is dissolved with dyestuff is coated in to galvanized steel sheet surface;
Step S103: the full chromium-free passivation liquid to described galvanized steel sheet surface is processed, colored completely without chromium passivation film to form at described galvanized steel sheet surface.
In specific implementation process, described dyestuff can be: blue or red or green or brown etc. random color, for the described dyestuff pigment of which kind of color specifically, the present embodiment is not done concrete restriction.
In specific implementation process, according to the color of colored zinc plated steel, need, the full chromium-free passivation liquid configuring is mixed to a certain proportion of dyestuff, and with mixer, full chromium-free passivation liquid and dyestuff are mixed, then adopt rolling method at normal temperatures the full chromium-free passivation liquid of mixed dye to be coated in to the surface of galvanized steel plain sheet.
In specific implementation process, after the color that presents dyestuff until galvanized steel plain sheet, by adjusting the thickness of passivating film, the color of galvanized steel sheet surface is finely tuned, particularly, can recently to the thickness of passivating film, adjust by adjusting the application roll of roll coater and the rotating speed between the pressure between galvanized steel plain sheet and application roll and galvanized steel plain sheet.
Optionally, in the present embodiment, described galvanized steel plain sheet basic unit can be: hot-dip galvanizing sheet steel, or plated steel sheet.
Optionally, in the present embodiment, step S103, comprising:
Described full chromium-free passivation liquid is dried and is solidified, and colored completely without chromium passivation film to form at described galvanized steel sheet surface, wherein, the scope of described dry and curing temperature is: 80 ℃～120 ℃.
Technical scheme in the invention described above embodiment, at least has following technique effect or advantage:
The invention discloses a kind of completely without chromium passivating colored zinc plated steel and manufacture method thereof, employing is mixed with the full chromium-free passivation liquid of dyestuff, at galvanized steel sheet surface, form colour that one deck is thin and fine and close completely without chromium passivation film, can not only make galvanized steel plain sheet there is colorful color, and have bright in luster, be difficult for fading, the advantage such as good decorative property, environmental protection, corrosion resistance and good.
Embodiment bis-
Based on same inventive concept, it is a kind of completely without chromium passivating colored zinc plated steel that the present embodiment provides, and as shown in Figure 2, comprising:
Galvanized steel plain sheet 201;
Colored completely without chromium passivation film 202, cover described galvanized steel plain sheet 201 surfaces.
Optionally, in the present embodiment, described galvanized steel plain sheet 201 is specially: hot-dip galvanizing sheet steel, or plated steel sheet.
Optionally, in the present embodiment, the scope of the thickness of described galvanized steel plain sheet 201 is: 0.3 millimeter～2.5 millimeters.
Optionally, in the present embodiment, described colour completely without the scope of the thickness of chromium passivation film 202 is: 0.5 micron～5 microns.
Technical scheme in the invention described above embodiment, at least has following technique effect or advantage:
The present embodiment provide completely without chromium passivating colored zinc plated steel, employing is mixed with the full chromium-free passivation liquid of dyestuff, at galvanized steel sheet surface, form colour that one deck is thin and fine and close completely without chromium passivation film, can not only make galvanized steel plain sheet there is colorful color, and have bright in luster, be difficult for fading, the advantage such as good decorative property, environmental protection, corrosion resistance and good.
Although described the preferred embodiments of the present invention, once those skilled in the art obtain the basic creative concept of cicada, can make other change and modification to these embodiment.So claims are intended to all changes and the modification that are interpreted as comprising preferred embodiment and fall into the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (9)
1. completely without a manufacture method for chromium passivating colored zinc plated steel, it is characterized in that, comprising:
Dyestuff is dissolved in full chromium-free passivation liquid;
The full chromium-free passivation liquid that is dissolved with dyestuff is coated in to galvanized steel sheet surface;
Full chromium-free passivation liquid to described galvanized steel sheet surface is processed, colored completely without chromium passivation film to form at described galvanized steel sheet surface.
2. the method for claim 1, is characterized in that, described galvanized steel plain sheet is specially: hot-dip galvanizing sheet steel, or plated steel sheet.
3. method as claimed in claim 2, is characterized in that, described dyestuff is dissolved in full chromium-free passivation liquid, comprising:
By dyestuff uniform dissolution in described full chromium-free passivation liquid.
4. the method as described in as arbitrary in claim 1～3, is characterized in that, the described full chromium-free passivation liquid to described galvanized steel sheet surface is processed, and comprising:
To described, completely without chromium passivation film, be dried and solidify.
5. the method as described in as arbitrary in claim 1～4, is characterized in that, the scope of described dry and curing temperature is: 80 ℃～120 ℃.
6. completely without a chromium passivating colored zinc plated steel, it is characterized in that, comprising:
Galvanized steel plain sheet;
Colored completely without chromium passivation film, cover described galvanized steel sheet surface.
7. as claimed in claim 6ly completely without chromium passivating colored zinc plated steel, it is characterized in that, described galvanized steel plain sheet is specially: hot-dip galvanizing sheet steel, or plated steel sheet.
8. as claimed in claim 7ly completely without chromium passivating colored zinc plated steel, it is characterized in that, the scope of the thickness of described galvanized steel plain sheet is: 0.3 millimeter～2.5 millimeters.
9. as described in as arbitrary in claim 6～8 completely without chromium passivating colored zinc plated steel, it is characterized in that, described colour completely without the scope of the thickness of chromium passivation film is: 0.5 micron～5 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410429588.2A CN104175650A (en) | 2014-08-28 | 2014-08-28 | All-chromium-free, passivated, colourized and galvanized steel plate and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410429588.2A CN104175650A (en) | 2014-08-28 | 2014-08-28 | All-chromium-free, passivated, colourized and galvanized steel plate and manufacturing method thereof |
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| CN104175650A true CN104175650A (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410429588.2A Pending CN104175650A (en) | 2014-08-28 | 2014-08-28 | All-chromium-free, passivated, colourized and galvanized steel plate and manufacturing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105463338A (en) * | 2015-12-09 | 2016-04-06 | 苏州爱盟机械有限公司 | Bicycle flywheel with self-cleaning film |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103060789A (en) * | 2013-02-04 | 2013-04-24 | 云南滇科涂镀层材料有限公司 | Whole chromium-free high-corrosion-resistant zinc-coated iridescent passivation solution and preparation method thereof |
| JP2013133527A (en) * | 2011-12-27 | 2013-07-08 | Nippon Steel & Sumitomo Metal Corp | Galvanized steel sheet excellent in after-processing corrosion resistance and fuel deterioration resistance |
| CN103289569A (en) * | 2013-05-09 | 2013-09-11 | 安徽工业大学 | Self-lubricating passivation solution and hot galvanizing self-lubricating coating steel sheet coated thereby |
| CN204322626U (en) * | 2014-08-28 | 2015-05-13 | 首钢京唐钢铁联合有限责任公司 | A kind of completely without chromium passivating colored zinc plated steel |
-
2014
- 2014-08-28 CN CN201410429588.2A patent/CN104175650A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013133527A (en) * | 2011-12-27 | 2013-07-08 | Nippon Steel & Sumitomo Metal Corp | Galvanized steel sheet excellent in after-processing corrosion resistance and fuel deterioration resistance |
| CN103060789A (en) * | 2013-02-04 | 2013-04-24 | 云南滇科涂镀层材料有限公司 | Whole chromium-free high-corrosion-resistant zinc-coated iridescent passivation solution and preparation method thereof |
| CN103289569A (en) * | 2013-05-09 | 2013-09-11 | 安徽工业大学 | Self-lubricating passivation solution and hot galvanizing self-lubricating coating steel sheet coated thereby |
| CN204322626U (en) * | 2014-08-28 | 2015-05-13 | 首钢京唐钢铁联合有限责任公司 | A kind of completely without chromium passivating colored zinc plated steel |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105463338A (en) * | 2015-12-09 | 2016-04-06 | 苏州爱盟机械有限公司 | Bicycle flywheel with self-cleaning film |
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Application publication date: 20141203 |