CN102898871A - Method for preparing high-brilliance green pearlescent pigment - Google Patents
Method for preparing high-brilliance green pearlescent pigment Download PDFInfo
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- CN102898871A CN102898871A CN2012103877919A CN201210387791A CN102898871A CN 102898871 A CN102898871 A CN 102898871A CN 2012103877919 A CN2012103877919 A CN 2012103877919A CN 201210387791 A CN201210387791 A CN 201210387791A CN 102898871 A CN102898871 A CN 102898871A
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Abstract
The invention provides a method for preparing a high-brilliance green pearlescent pigment, which comprises the following steps of: (1) forming a first coating of tin oxide on the surface of a mica substrate under conditions of a temperature ranging from 60 to 70DEG C and a pH value less than 3.0; (2) forming a first coating of titanium dioxide on the mica substrate under conditions of a temperature ranging from 70 to 80 DEG C and a pH value of less than 2.0; (3) washing the material completely; (4) forming a second coating of tin oxide on the mica substrata; (5) forming a second coating of titanium dioxide on the mica substrate; and (6) washing the material completely, and then drying and calcining the material to obtain the high-brilliance green pearlescent pigment. The pearlescent pigment prepared by the method is more (above two times) brilliant than prior series with green pearlescent luster, and has small weight, high-temperature resistance and weather resistance without toxin. The pearlescent pigment, meeting requirements of different industries, is widely used in industries of cosmetic, paint, plastic, ink printing, ceramic and the like.
Description
Technical field
The invention belongs to the pearly pigment field, be specifically related to the preparation method of the green pearly pigment of a kind of high gorgeous degree.
Background technology
Pearly pigment not only photostabilization is good, nontoxic, and chromatogram is wide, and is wide in variety, strong coloring force, and luminous intensity and metallic appearance are distinct strong, and high thermal resistance, chemical resistant properties, anti-sulphur, weathering resistance are all fine, and physical strength is high.Along with the expansion of pearly pigment range of application, people have also proposed requirements at the higher level to the beautiful degree of its color.
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, the preparation method of the green pearly pigment of a kind of high gorgeous degree is provided.
The present invention is achieved through the following technical solutions:
The preparation method of the green pearly pigment of a kind of high gorgeous degree is characterized in that, may further comprise the steps:
(1) at temperature 60-70 ℃, the pH value take mica as base material, coats the first layer stannic oxide at the mica substrate surface less than in 3.0 the situation, and wherein the clad ratio of the first layer stannic oxide is less than 3%;
(2) at temperature 70-80 ℃, the pH value coats the first layer titanium dioxide again less than in 2.0 the situation outside the mica base material, and wherein the clad ratio of the first layer titanium dioxide is between 45-60%;
(3) material is rinsed well;
(4) under temperature 60-70 ℃, the pH value coats second layer stannic oxide again less than in 3.0 the situation outside the mica base material, and wherein the clad ratio of second layer stannic oxide is less than 2%;
(5) under temperature 70-80 ℃, the pH value coats second layer titanium dioxide again less than in 2.0 the situation outside the mica base material, and wherein the clad ratio of second layer titanium dioxide is between 15-25%;
(6) material is rinsed well, 110-130 ℃ of lower oven dry, 800-1000 ℃ of lower calcining namely obtains the green pearly pigment of high gorgeous degree.
The green pearly pigment of the gorgeous degree of height of the present invention is by covering multilayer stannic oxide and titanium dioxide outside base material, because refracted light, reflected light and penetrating light interact in certain layer and produce color or the interference color of similar iris, therefore rely on the different light of all kinds of natural light medium wavelength is carried out form and aspect and the gloss that various magics are created in optionally anti-She ﹑ Zhe She ﹑ transmission, can fully reproduce graceful gloss and color that nature Hu Die ﹑ Bei Ke ﹑ Zhen Zhu ﹑ swimming fish and metal have.Adopt the pearly pigment of preparation method of the present invention preparation to have than conventional series strikingly color (for conventional green pearly pigment more than 2 times) more, present green pearliness, toxicological harmless, proportion is little, and is high temperature resistant, weather resisteant.Its application is very extensive, and fully satisfying Zhuan Pin ﹑ Tu material Gong Ye ﹑ Su expects the different requirements of the different industries such as Gong Ye ﹑ ink printing Gong Ye ﹑ ceramic-like.
Embodiment
Embodiment one:
The preparation method of the green pearly pigment of a kind of high gorgeous degree may further comprise the steps:
(1) at temperature 60 C, the pH value take mica as base material, coats the first layer stannic oxide at the mica substrate surface less than in 3.0 the situation, and wherein the clad ratio of the first layer stannic oxide is less than 3%;
(2) at temperature 70 C, the pH value coats the first layer titanium dioxide again less than in 2.0 the situation outside the mica base material, and wherein the clad ratio of the first layer titanium dioxide is between 45%;
(3) material is rinsed well;
(4) under temperature 60 C, the pH value coats second layer stannic oxide again less than in 3.0 the situation outside the mica base material, and wherein the clad ratio of second layer stannic oxide is less than 2%;
(5) under temperature 70 C, the pH value coats second layer titanium dioxide again less than in 2.0 the situation outside the mica base material, and wherein the clad ratio of second layer titanium dioxide is between 15%;
(6) material is rinsed well, 110 ℃ of lower oven dry, 800 ℃ of lower calcinings namely obtain the green pearly pigment of high gorgeous degree.
Embodiment two:
The preparation method of the green pearly pigment of a kind of high gorgeous degree may further comprise the steps:
(1) at temperature 70 C, the pH value take mica as base material, coats the first layer stannic oxide at the mica substrate surface less than in 3.0 the situation, and wherein the clad ratio of the first layer stannic oxide is less than 3%;
(2) 80 ℃ of temperature, the pH value coats the first layer titanium dioxide again less than in 2.0 the situation outside the mica base material, and wherein the clad ratio of the first layer titanium dioxide is between 60%;
(3) material is rinsed well;
(4) under temperature 70 C, the pH value coats second layer stannic oxide again less than in 3.0 the situation outside the mica base material, and wherein the clad ratio of second layer stannic oxide is less than 2%;
(5) under 80 ℃ of temperature, the pH value coats second layer titanium dioxide again less than in 2.0 the situation outside the mica base material, and wherein the clad ratio of second layer titanium dioxide is between 25%;
(6) material is rinsed well, 130 ℃ of lower oven dry, 1000 ℃ of lower calcinings namely obtain the green pearly pigment of high gorgeous degree.
Embodiment three:
The preparation method of the green pearly pigment of a kind of high gorgeous degree may further comprise the steps:
(1) 65 ℃ of temperature, the pH value take mica as base material, coats the first layer stannic oxide at the mica substrate surface less than in 3.0 the situation, and wherein the clad ratio of the first layer stannic oxide is less than 3%;
(2) 75 ℃ of temperature, the pH value coats the first layer titanium dioxide again less than in 2.0 the situation outside the mica base material, and wherein the clad ratio of the first layer titanium dioxide is between 50%;
(3) material is rinsed well;
(4) under 65 ℃ of temperature, the pH value coats second layer stannic oxide again less than in 3.0 the situation outside the mica base material, and wherein the clad ratio of second layer stannic oxide is less than 2%;
(5) under 75 ℃ of temperature, the pH value coats second layer titanium dioxide again less than in 2.0 the situation outside the mica base material, and wherein the clad ratio of second layer titanium dioxide is between 20%;
(6) material is rinsed well, 120 ℃ of lower oven dry, 900 ℃ of lower calcinings namely obtain the green pearly pigment of high gorgeous degree.
The above is preferred embodiment of the present invention, and all equivalent variations of doing according to the present patent application claim all should belong to protection scope of the present invention.
Claims (1)
1. the preparation method of the one kind high green pearly pigment of gorgeous degree is characterized in that, may further comprise the steps:
(1) at temperature 60-70 ℃, the pH value take mica as base material, coats the first layer stannic oxide at the mica substrate surface less than in 3.0 the situation, and wherein the clad ratio of the first layer stannic oxide is less than 3%;
(2) at temperature 70-80 ℃, the pH value coats the first layer titanium dioxide again less than in 2.0 the situation outside the mica base material, and wherein the clad ratio of the first layer titanium dioxide is between 45-60%;
(3) material is rinsed well;
(4) under temperature 60-70 ℃, the pH value coats second layer stannic oxide again less than in 3.0 the situation outside the mica base material, and wherein the clad ratio of second layer stannic oxide is less than 2%;
(5) under temperature 70-80 ℃, the pH value coats second layer titanium dioxide again less than in 2.0 the situation outside the mica base material, and wherein the clad ratio of second layer titanium dioxide is between 15-25%;
(6) material is rinsed well, 110-130 ℃ of lower oven dry, 800-1000 ℃ of lower calcining namely obtains the green pearly pigment of high gorgeous degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103877919A CN102898871A (en) | 2012-10-11 | 2012-10-11 | Method for preparing high-brilliance green pearlescent pigment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103877919A CN102898871A (en) | 2012-10-11 | 2012-10-11 | Method for preparing high-brilliance green pearlescent pigment |
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| CN102898871A true CN102898871A (en) | 2013-01-30 |
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| CN2012103877919A Pending CN102898871A (en) | 2012-10-11 | 2012-10-11 | Method for preparing high-brilliance green pearlescent pigment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116445011A (en) * | 2023-04-10 | 2023-07-18 | 瑞彩科技股份有限公司 | Bonding-free pearlescent pigment for electrostatic powder coating and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4038099A (en) * | 1971-08-30 | 1977-07-26 | The Mearl Corporation | Rutile-coated mica nacreous pigments and process for the preparation thereof |
| US5433779A (en) * | 1993-12-06 | 1995-07-18 | The Mearl Corporation | Rutile titanium dioxide coated micaceous pigments formed without tin |
| CN101203574A (en) * | 2005-06-22 | 2008-06-18 | 西巴特殊化学品控股有限公司 | Interference pigments on the basis of glass flakes |
| CN102597131A (en) * | 2009-10-28 | 2012-07-18 | 巴斯夫欧洲公司 | Pigments with improved sparkling effect |
-
2012
- 2012-10-11 CN CN2012103877919A patent/CN102898871A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4038099A (en) * | 1971-08-30 | 1977-07-26 | The Mearl Corporation | Rutile-coated mica nacreous pigments and process for the preparation thereof |
| US5433779A (en) * | 1993-12-06 | 1995-07-18 | The Mearl Corporation | Rutile titanium dioxide coated micaceous pigments formed without tin |
| CN101203574A (en) * | 2005-06-22 | 2008-06-18 | 西巴特殊化学品控股有限公司 | Interference pigments on the basis of glass flakes |
| CN102597131A (en) * | 2009-10-28 | 2012-07-18 | 巴斯夫欧洲公司 | Pigments with improved sparkling effect |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116445011A (en) * | 2023-04-10 | 2023-07-18 | 瑞彩科技股份有限公司 | Bonding-free pearlescent pigment for electrostatic powder coating and preparation method thereof |
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Application publication date: 20130130 |