CN103849179A - High-temperature-resistant colorful aluminium pigment - Google Patents
High-temperature-resistant colorful aluminium pigment Download PDFInfo
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- CN103849179A CN103849179A CN201210506950.2A CN201210506950A CN103849179A CN 103849179 A CN103849179 A CN 103849179A CN 201210506950 A CN201210506950 A CN 201210506950A CN 103849179 A CN103849179 A CN 103849179A
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- pigment
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- silicon dioxide
- aluminium pigment
- colored aluminum
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Abstract
A disclosed high-temperature-resistant colorful aluminium pigment is characterized in that the pigment comprises a sheet-shaped substrate material, the external of the substrate material is coated with a silicon dioxide layer, and also the external of the silicon dioxide layer is coated with a layer of a coloring agent for forming a metal oxide composite coating. The coloring agent is ferric oxide. The sheet-shaped substrate material is sheet-shaped aluminium sheets. The beneficial effects comprise that on the premise of not reducing the brightness of a conventional aluminium pigment slurry, the colorful aluminium pigment with diversified colors and high chroma is prepared, the colorful aluminium pigment is substantially improved in both brightness and chroma, and the quality stability of the product is relatively good. Through coating of the inorganic metal oxide ferric oxide, the pigment is relatively high in stability and resistant to high temperature.
Description
Technical field
The present invention relates to a kind of colored aluminum pigment, be specifically related to a kind of high temperature resistant colored aluminum pigment fading that can not produce at higher temperature.
Background technology
Colored aluminum pigment is nontoxic, tasteless, acid and alkali-resistance, nonflammable, non-explosive, has higher thermotolerance and weathering resistance, meets strict environmental requirement completely.It has the flash effect of metallic pigment, can produce the soft color and luster of natural peral.The performance of colored aluminum pigment excellence becomes the new approaches in current color field, has higher commodity value.Colored aluminum pigment is widely used in every field, the coating, powder coating, building coating, pearl ink, pearly-lustre leather, pearly-lustre plastics, the pearly-lustre makeup that can be used for automobile, motorcycle, bike, also can be used for the industries such as papermaking, printing and dyeing, stamp, rubber, pottery.
But the research of the high-grade colored aluminum pigment of China at present still can not meet the demand in market, great majority need to be to external import, and price is very expensive.Interference effect between each layer of pigment finished product a little less than, exist brightness, saturation ratio is lower, under hot conditions, easily fade etc. not enough.
Summary of the invention
The object of the invention is for above-mentioned deficiency, a kind of high temperature resistant colored aluminum pigment is provided, base material external sediment layer of silicon dioxide layer, by the coated ferric oxide of pigment outermost layer, reaches it and at higher temperature, can not produce the effect of fading.
For achieving the above object, the technical scheme adopting is in the present invention:
A kind of high temperature resistant colored aluminum pigment, it comprises a flat substrates, and base material is coated with layer of silicon dioxide layer, and silicon dioxide layer is also coated with one deck tinting material outward, forms metal oxide superpacket coating.
Described tinting material is ferric oxide.
Described flat substrates is sheet metal aluminium flake.Its preparation method comprises the following steps: a. is by commercially available aluminium face slurry dispersed with stirring in alcohol, alcohol ether or ketone solvent; B. temperature is transferred to 30-80 ℃, in scattered aluminium face slurry, add respectively tetraethoxy and the aqueous solution, the mol ratio of tetraethoxy and water is 1: 0.5 to 1: 20, adds catalyzer ethylenediamine solution or ammoniacal liquor, reacts complete filtering and washing and obtains water-based aluminium face slurry; C. water-based aluminium face slurry b step being obtained carries out the coated of hydrated metal oxide under liquid phase again on aluminium powder surface
Colored aluminum pigment can combine with transparent pigment dyestuff, or directly carry out painted with these pigment, the effect producing is very charming, its color not only can not weaken, and can strengthen on the contrary, and pigment dyestuff is restricted in the application in some fields, its use temperature can not exceed 120 ℃, but by the metal oxide-ferric oxide of coated inorganic, its stability is higher, at higher temperature, can not produce and fade.
The invention has the beneficial effects as follows: there is the effect of changeable colors along with angle, and product brightness and fullness of shade all relatively good, if use it in kindly upper, under the irradiation of light, can reach the effect of multi-light reflection, solved the part deficiency of the high-grade colored aluminum pigment of China.In addition, compared with traditional colored aluminum pigment, its brightness and colourity all significantly promote, make technique be easier to operation, more perfect and reaction more stable, the good stability of quality product.By coated inorganic metal oxide-ferric oxide, its stability is higher, at higher temperature, can not produce and fade.
Accompanying drawing explanation
Fig. 1 is cross-sectional view of the present invention.
In figure: 1. flat substrates 2. silicon dioxide layer 3. tinting materials
Embodiment
embodiment:the present embodiment provides a kind of high temperature resistant colored aluminum pigment, and it comprises a flat substrates 1, and base material is coated with layer of silicon dioxide layer 2, and silicon dioxide layer is also coated with one deck tinting material 3 outward, forms metal oxide superpacket coating.
Described tinting material is ferric oxide, or other metal oxides.
Described flat substrates is mica, one of synthetic mica or glass flake.
In specific implementation process, in temperature 70 C-80 ℃, keep the stirring of base material suspension, the pH value of reaction is stable, at the surface of base material cladding titanium dioxide and ferric oxide successively, reacts complete, filter, by deionized water wash, oven dry, calcining and other processes, just obtain outward appearance yellow to red, reflected colour is a series of charming high temperature resistant colored aluminum pigments such as golden, red, purple, blue, green.
High temperature resistant colored aluminum pigment of the present invention, the present invention can make color variation and the high colored aluminum pigment of depth of shade under the prerequisite that does not reduce the brightness of original aluminium face slurry, and its brightness and colourity all significantly promote, and the stability of quality product is better.By coated inorganic metal oxide-ferric oxide, its stability is higher, high temperature resistant.
But the foregoing is only better possible embodiments of the present invention, not in order to limit to the scope of the claims of the present invention, therefore the equivalence that all utilizations specification sheets of the present invention and accompanying drawing content are done changes, be all included in protection scope of the present invention.
Claims (3)
1. a high temperature resistant colored aluminum pigment, is characterized in that, it comprises a flat substrates, and base material is coated with layer of silicon dioxide layer, and silicon dioxide layer is also coated with one deck tinting material outward, forms metal oxide superpacket coating.
2. high temperature resistant colored aluminum pigment according to claim 1, is characterized in that, described tinting material is ferric oxide.
3. high temperature resistant colored aluminum pigment according to claim 1, is characterized in that, described flat substrates is sheet metal aluminium flake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210506950.2A CN103849179A (en) | 2012-11-29 | 2012-11-29 | High-temperature-resistant colorful aluminium pigment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210506950.2A CN103849179A (en) | 2012-11-29 | 2012-11-29 | High-temperature-resistant colorful aluminium pigment |
Publications (1)
| Publication Number | Publication Date |
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| CN103849179A true CN103849179A (en) | 2014-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201210506950.2A Pending CN103849179A (en) | 2012-11-29 | 2012-11-29 | High-temperature-resistant colorful aluminium pigment |
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| CN (1) | CN103849179A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105504887A (en) * | 2015-12-15 | 2016-04-20 | 常熟市环虹化工颜料厂 | Method for preparing compound nanometer aluminum oxide pigment |
| CN109919963A (en) * | 2019-03-14 | 2019-06-21 | 吉林大学 | A kind of vehicle paint method for detecting position of defect |
| CN110903682A (en) * | 2019-12-18 | 2020-03-24 | 河南兴安新型建筑材料有限公司 | SiO (silicon dioxide)2Color aluminum pigment with double-layer coating and preparation method thereof |
-
2012
- 2012-11-29 CN CN201210506950.2A patent/CN103849179A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105504887A (en) * | 2015-12-15 | 2016-04-20 | 常熟市环虹化工颜料厂 | Method for preparing compound nanometer aluminum oxide pigment |
| CN109919963A (en) * | 2019-03-14 | 2019-06-21 | 吉林大学 | A kind of vehicle paint method for detecting position of defect |
| CN110903682A (en) * | 2019-12-18 | 2020-03-24 | 河南兴安新型建筑材料有限公司 | SiO (silicon dioxide)2Color aluminum pigment with double-layer coating and preparation method thereof |
| CN110903682B (en) * | 2019-12-18 | 2021-09-03 | 河南兴安新型建筑材料有限公司 | SiO (silicon dioxide)2Color aluminum pigment with double-layer coating and preparation method thereof |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140611 |