CN101289580A - Production process of super strength interference pearlylustre pigment - Google Patents
Production process of super strength interference pearlylustre pigment Download PDFInfo
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- CN101289580A CN101289580A CNA2007100902778A CN200710090277A CN101289580A CN 101289580 A CN101289580 A CN 101289580A CN A2007100902778 A CNA2007100902778 A CN A2007100902778A CN 200710090277 A CN200710090277 A CN 200710090277A CN 101289580 A CN101289580 A CN 101289580A
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Abstract
The invention relates to a production process for ultra-strong interferential golden pearl pigment of a multi-coating two-dimensional structural slice base object, which is obtained by coating mica with four layers. The golden pearl pigment product prepared by the production process of the invention has the effect of 24K gold, low price, and extremely-large economic value.
Description
Technical field
The present invention relates to the production process of the golden pearly pigment of overbrushing layer two-dirnentional structure platelet-shaped base thing.
Background technology
Pearly pigment is to coat one or more layers specific refractory power high oxide compound as titanium dioxide, ferric oxide, cobalt oxide, aluminium sesquioxide, zirconium white, silicon-dioxide etc., the series product that form through appropriate postprocessing again at flaky mica, flaky aluminium sesquioxide and thin glass outer surface by chemical reaction.The product of this type can produce reflection and refraction action repeatedly under the irradiation of light, again through each other interference effect and produce the effect of colorful, jewelly pearly-lustre color and changeable colors along with angle.
Pearly pigment is a human class pigment of exploitation recently, its chemical stability height, and good weatherability, rich color, hiding rare is strong, and is safe and harmless to human body, and the three wastes that produce in the production process are few, help characteristics such as environmental protection.In printing ink, paint, various coating, plastics, makeup, printing material, be widely used.Existing publication document has: US 4,434, and 010; JP H7-759; US 3,438, and 796; US 5,135, and 812; DE 4405494, DE 4437753 and DE195 15 988; Especially Merck KGaA company is one of external production pearly pigment major vendor, and has applied for patent in China, and patent application publication number is: CN1384858A, this piece patent application relates to a kind of flavous pearly pigment and preparation and application.
Gold is signifying a kind of noble quality, and people generally advocate gold, especially is located in the people of country in Southeast Asia, especially golden feelings is had only loyalty.The use of pair gold is all arranged, but costing an arm and a leg of gold uses limitation big on various dress ornaments, ornament, construction industry, the figure of buddha.Therefore, in above-mentioned application, adopt golden pearly pigment to replace gold, will reduce cost significantly with 24K gold effect.
Common golden pearly pigment is domestic, a lot of producers can both produce in the world, but the golden pearly pigment of not finding to have 24K gold effect.Though there are analogous products in Merck KGaA company, its complex manufacturing, loaded down with trivial details, process is restive, and cost is higher.Therefore, need a kind of production technique simple, workable, the production technique of the golden pearly pigment of the 24K that scale operation is stable, cost is also lower.
Summary of the invention
Applicant Ou Ke fine chemistry industry of the present invention limited-liability company is one of large-scale producer of domestic production pearly pigment, and its product not only has market widely at home, also is sold abroad, and also occupies very large portion abroad on the market.At above the deficiencies in the prior art, our company develops autonomous innovation spirit energetically, strengthens scientific research strength, develops the pearly pigment product with 24K gold effect.
An object of the present invention is to provide the golden pearly pigment of a kind of superpower interference.
Another object of the present invention provides the production technique of above-mentioned golden pearly pigment.
Golden pearly pigment production process of the present invention is as follows:
Used mica is water mill natural mica or synthetic mica, and thickness is between the 0.1-6.0 micron, and preferably between the 0.15-4.0 micron, on other two-dirnentional structures, between the 5-250 micron, preferred 5-200 micron is especially preferably between the 5-60 micron usually.
The above-mentioned mica of getting certain mass adds soft water in reactor, regulate solid-to-liquid ratio 1: 15-1: 20, and controlled temperature evenly stirs between 75-85 ℃, carries out following four layers of coating then successively:
The first layer, adding inorganic alkali solution adjusting pH value in above-mentioned reaction solution is 2.0-2.5, with the TiCl of concentration at 85-120g/L
4Soft water solution and inorganic alkali solution and stream join equably in the reactor, keep pH value constant, treat that the 165-175% that the coating film quality reaches input mica amount stops to add TiCl
4Soft water solution;
The second layer adds FeCl in above-mentioned reaction solution
3And TiCl
4The soft water mixing solutions, the compound method of mixing solutions is: be the FeCl of 50-80g/L with concentration
3Solution and concentration are the TiCl of 85-120g/L
4Solution is 6 by volume: 1-7: 1 preparation, mixing; Regulating the pH value with inorganic alkali solution and stream is 4; Wherein, FeCl
3Concentration be with FeCl
36H
2The O meter, the amount that the 1kg mica adds this mixing solutions is 8-15L; Add behind the mixing solutions and stirred 30 minutes, left standstill then 1 hour, regulate solid-to-liquid ratio 1: 10-1: 15, be that 30% salt acid for adjusting pH value is 0.5-1.8 with mass ratio;
The 3rd layer, in above-mentioned reaction solution, add SnCl
2Soft water solution, slowly be metered into inorganic alkali lye and stream, and to keep pH be 0.5-1.8; Wherein, SnCl
2Concentration is with SnCl
22H
2O counts 70-100g/L, and the amount that the 1kg mica adds this solution is 1-2L;
The 4th layer, regulating the pH value with inorganic alkali solution is 2.0-2.5, and also stream adding concentration is the TiCl of 85-120g/L in reaction solution
4Soft water solution and inorganic alkali lye, keep pH value constant, adding solution becomes golden red to form and aspect;
Be finished product after rinsing after filtration,, 120-200 ℃ oven dry, 820 ℃ of calcinings.
In above-mentioned production technique, described inorganic alkali solution is NaOH solution or NH
3H
2O solution, and the NaOH solution of preferred 20wt% or the NH of 25wt%
3H
2O solution.
Above-mentioned production technique of the present invention is carried out some aftertreatments, coated Si O on the basis of finished product again according to the needs of different industries
2Or Al
2O
3Can increase its weathering resistance.
Above-mentioned production technique of the present invention can also make it can well disperse in water-based or oiliness system through the processing of tensio-active agent.
Though do not contain gold element in the golden pearly pigment product of the present invention, have the effect of 24K gold, low price has great economic worth, and production technique of the present invention is simple, stable, and easy to operate, production cost is low, and is harmless.
Embodiment
Embodiment 1
Throw synthetic 10-40 μ m mica 15g, add soft water, make that solid-to-liquid ratio is 1: 6, temperature of reaction is 85 ℃, evenly stirs, and coats then;
The first layer, with concentration be the NaOH solution of 20wt% to regulate the pH value be 2.3, with the TiCl of 25.88g
4In 250ml soft water after the dissolving, with concentration be that 20% NaOH solution and stream slowly are metered into, and to keep the pH value be 2.3;
The second layer is with 8.75g FeCl
36H
2O and 1.7g TiCl
4In 120ml and 18ml soft water, dissolve respectively, mix then, with concentration be 20wt% NaOH solution and stream slowly be metered into, regulating the pH value is 4, stirs 30 minutes, leaves standstill 1 hour, regulating solid-to-liquid ratio is 1: 13, is that the salt acid for adjusting pH value of 30wt% is 1.2 with mass ratio;
The 3rd layer, with 1.80g SnCl
2In 20ml soft water, after the dissolving, slowly be metered into, and to keep the pH value be 1.5 with the NaOH solution of 20wt% and stream;
The 4th layer is that the NaOH solution adjust pH of 20wt% is 2.3 with concentration, with 23.25gTiCl
4In 200ml soft water after the dissolving, with concentration be 20wt% NaOH solution slowly and the flowmeter amount add, and to keep the pH value be 2.3 constant, form and aspect become golden red, after all coating end of processing, after filtration, rinsing, oven dry, 820 ℃ of insulations of calcining 20 minutes, get product.
Product performance: proterties: dry powder; The outward appearance look is: dark yellow, interference color are: the 24K gold.The accumulation look is: yellow.
Embodiment 2
Throw synthetic 10-40 μ m mica 19g, add soft water, make that solid-to-liquid ratio is 1: 16, temperature of reaction is 85 ℃, evenly stirs, and coats then;
The first layer, with concentration be 20% NaOH solution to regulate the pH value be 2.3, with the TiCl of 36.8g
4In 350ml soft water the dissolving after, with concentration be the NH of 25wt%
3H
2O solution and stream slowly are metered into, and are 2.3 to keep the pH value; Treat that the coating film quality reaches 172.5% of input mica amount and stops to add TiCl
4Soft water solution;
The second layer is with 11.4g FeCl
36H
2The TiCl of O and 2.50g
4In 150ml and 22ml soft water, dissolve respectively, mix then, with concentration be the NH of 25wt%
3H
2O solution and stream slowly are metered into, and regulating pH value is 4, stirs 30 minutes, leave standstill 1 hour, and the adjusting solid-to-liquid ratio is 1: 13, are that 30% salt acid for adjusting pH value is 1.2 with mass ratio;
The 3rd layer, with 1.80g SnCl
2In 20ml soft water the dissolving after, with concentration be the NH of 25wt%
3H
2O solution and stream slowly are metered into, and maintenance pH value is 1.2;
The 4th layer is that the NaOH solution adjust pH of 20wt% is 2.3 with concentration, with 32.75gTiCl
4In 350ml soft water the dissolving after, with concentration be the NH of 25wt%
3H
2O solution slowly and the flowmeter amount add, and to keep pH value be 2.3 constant, form and aspect become golden red, all coat end of processing after, after filtration, rinsing, oven dry, calcining be incubated 20 minutes for 820 ℃, get product.
Product performance: proterties: dry powder; The outward appearance look is: dark yellow, interference color are: the 24K gold.The accumulation look is: yellow.
Claims (7)
1, the production technique of the golden pearly pigment of a kind of superpower interference is characterized in that, comprises the steps:
The mica of getting certain mass adds soft water in reactor, regulate solid-to-liquid ratio 1: 15-1: 20, and controlled temperature evenly stirs between 75-85 ℃, carries out following four layers of coating then successively:
The first layer, adding inorganic alkali solution adjusting pH value in above-mentioned reaction solution is 2.0-2.5, with the TiCl of concentration at 85-120g/L
4Soft water solution and inorganic alkali solution and stream join equably in the reactor, keep pH value constant, treat that the 165-175% that the coating film quality reaches input mica amount stops to add TiCl
4Soft water solution;
The second layer adds FeCl in above-mentioned reaction solution
3And TiCl
4The soft water mixing solutions, the compound method of mixing solutions is: be the FeCl of 50-80g/L with concentration
3Solution and concentration are the TiCl of 85-120g/L
4Solution is 6 by volume: 1-7: 1 preparation, mixing; Regulating the pH value with inorganic alkali solution and stream simultaneously is 4; Wherein, FeCl
3Concentration be with FeCl
36H
2The O meter, the amount that the 1kg mica adds this mixing solutions is 8-15L; Stir after adding mixing solutions, leave standstill then, regulate solid-to-liquid ratio 1: 10-1: 15, be that 30% salt acid for adjusting pH value is 0.5-1.8 with mass ratio;
The 3rd layer, in above-mentioned reaction solution, add SnCl
2Soft water solution, slowly be metered into inorganic alkali lye and stream, and to keep pH be 0.5-1.8; Wherein, SnCl
2Concentration is with SnCl
22H
2O counts 70-100g/L, and the amount that the 1kg mica adds this solution is 1-2L;
The 4th layer, regulating the pH value with inorganic alkali solution is 2.0-2.5, and also stream adding concentration is the TiCl of 85-120g/L in reaction solution
4Soft water solution and inorganic alkali lye, keep pH value constant, adding solution becomes golden red to form and aspect;
Be finished product after rinsing after filtration,, 120-200 ℃ oven dry, 820 ℃ of calcinings.
2, production technique according to claim 1 is characterized in that, described inorganic alkali solution is NaOH solution or NH
3H
2O solution.
3, production technique according to claim 2 is characterized in that, described inorganic alkali solution is the NaOH solution of 20wt% concentration or the NH of 25wt% concentration
3H
2O solution.
4, production technique according to claim 1 is characterized in that, described mica thickness is at the 0.1-6.0 micron, and other two-dirnentional structures are at the 5-250 micron.
5, production technique according to claim 4 is characterized in that, described mica thickness is at the 0.15-4.0 micron, and other two-dirnentional structures are at the 5-200 micron.
6, production technique according to claim 5 is characterized in that, other two-dirnentional structures of described micaceous are at the 5-60 micron.
7, the golden pearly pigment of a kind of superpower interference is characterized in that, it forms by the described prepared of claim 1.
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| CNB2007100902778A CN100560658C (en) | 2007-04-17 | 2007-04-17 | Production process of super strength interference pearlylustre pigment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100902778A CN100560658C (en) | 2007-04-17 | 2007-04-17 | Production process of super strength interference pearlylustre pigment |
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| Publication Number | Publication Date |
|---|---|
| CN101289580A true CN101289580A (en) | 2008-10-22 |
| CN100560658C CN100560658C (en) | 2009-11-18 |
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