CN1210351C - Process for modifying organic pigment with nano SiO2-x - Google Patents
Process for modifying organic pigment with nano SiO2-x Download PDFInfo
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- CN1210351C CN1210351C CN 00125874 CN00125874A CN1210351C CN 1210351 C CN1210351 C CN 1210351C CN 00125874 CN00125874 CN 00125874 CN 00125874 A CN00125874 A CN 00125874A CN 1210351 C CN1210351 C CN 1210351C
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Abstract
The present invention discloses a method for preparing nanometer SiO<2-x> modified organic pigments, which comprises the steps that nanometer titanium dioxide, nanometer zinc oxide and organic pigments with the sun-proof level of lower than 5 are mixed in a ball mill first; then, nanometer silicone base oxide is added into the mixed material to be mixed. The present invention compounds the nanometer silicone base oxide, the nanometer titanium dioxide and the nanometer zinc oxide are used to be compounded with domestic middle/low grade organic red and yellow pigments; then, modified coating organic pigments can be obtained through ball milling by a dry method, dispersing and coating. The sun-proof property of the modified coating organic pigments is improved substantially, and the cost for preparing high-grade organic pigments is greatly reduced. The method overcomes the defects that the functions of middle/low grade organic pigments are not wide, and the technique and the equipment for preparing high-grade organic pigments are complicated, and the cost for preparing high-grade organic pigments is high. The modified pigments can be widely applied to various outdoor colored articles made from organic high molecular materials.
Description
The present invention relates to the nano silicon-based oxide process for modifying organic pigment, is to make pigment dyestuff improve other method of weathering resistance level through modification.
Pigment has beautified people's life for people have built a colorful world, so the application in the modern life is very extensive.Pigment is divided into pigment dyestuff and mineral dye usually.Mineral dye production is simple, low price, physical strength and heat-resistant stability height, be widely used in the painted of glass, pottery, enamel and partial coating and plastics, but mineral dye color and luster dullness, spectral range is narrow, vividness is poor, tinting strength and colour strength is lower and poor chemical stability; Pigment dyestuff then is to be made of organic substance, the history in existing 136 years of synthetic, at present pigment dyestuff is various in style, chromatogram is complete, lovely luster is bright, tinting strength is high, chemical stability is good and nontoxic, its particle easy grinding, easy dispersion in the use, does not precipitate.In recent decades, the kind and the consumption of pigment dyestuff increase day by day, and its importance has substantially exceeded mineral dye.But the main drawback of pigment dyestuff is that weather-proof (light, heat etc.) property is relatively poor.In addition, pertinent data shows: the output of whole world pigment dyestuff 70% is clung to five major companies controls such as a Jia Ji company (auspicious soil), ICI company (Britain), big Japanese ink company by Hirst company (Germany), BASF AG (Germany), vapour, their product is medium-to-high grade, be the accounting for more than 65% of high-weatherability, but they prepare the technology and equipment more complicated of high-grade pigment dyestuff, and cost is higher.China's pigment dyestuff industry also has very big development in recent years, and annual production at present reaches 30,000 tons, but its low-and-medium-grade products accounts for 70%, and middle-grade product accounts for 29%, and expensive goods only accounts for a little less than in the of 1%.
At the problems referred to above, the purpose of this invention is to provide and a kind ofly pigment dyestuff is carried out modification and improve the method for modifying of other pigment dyestuff of weather-proof level through nano silicon-based oxide.
Nano silicon-based oxide process for modifying organic pigment provided by the invention mixes less than 5 pigment dyestuff nano-titanium oxide, nano zine oxide and sun-proof rank earlier in ball mill, add the nano silicon-based oxide mixing again.Said nano silicon-based oxide is the nano-grade matter of silicon-dioxide, owing to existing the hydroxyl of a large amount of undersaturated keys and different bonding states, its surface causes the oxygen debt silica structure that has departed from stable state in surface, be 2 of oxygen element less thaies in the compound molecule, so its structural formula is SiO
2-X, wherein X is between 0.4-0.8.
The objective of the invention is to realize by the following method: utilize the ultraviolet absorption characteristic of nano-titanium oxide (TiO2), nano zine oxide (ZnO), it is coated on the surface of pigment particles, absorption is passed and is coated on outermost nano silicon-based oxide (SiO
2-X) UV-light, reach the purpose of comprehensive shielding UV-light.Utilize nano silicon-based oxide to have huge specific surface area, surperficial hydroxyl (OH) reaches 48%, characteristic with reactable, it is carried out the surface molecular design, and then it is coated on the surface of the organic pigment particles that is enclosed with nano-titanium oxide, nano zine oxide.Utilizing the nano silicon-based oxide particular optical performance---centering, long wave ultraviolet light (UVA, UVB) reflectivity come reflected radiation to arrive the UV-light on pigment particles surface up to more than 85%.The selected nano-grain of this external cause is little, and it is transparent spreading out, so do not influence the tint permanence of pigment.
Nano silicon-based oxide process for modifying organic pigment provided by the invention, used nano silicon-based oxide specific surface area is＞550m
2/ g, UV-light reflectivity are greater than 75%, and the surface is a lipophilicity; Used nano-titanium oxide is a rutile-type, and median size is about 30 ± 15nm; Nano zine oxide is spherical, and median size is about below the 20nm.
Nano silicon-based oxide process for modifying organic pigment provided by the invention, prescription between each nano material and the pigment dyestuff is: pigment dyestuff accounts for 68.8-95% (weight percent), nano silicon-based oxide accounts for 3-30% (weight percent), nano zine oxide accounts for 0.5-2% (weight percent), and nano-titanium oxide accounts for 0.5-1% (weight percent).Wherein, the nano silicon-based oxide trade mark is that MNIP-0220, the nano-titanium oxide trade mark are that MN3J-0830, the nano zine oxide trade mark are MN6Z-1020, is in the city on sale.
Nano silicon-based oxide process for modifying organic pigment provided by the present invention, utilize the natural characteristics of nano silicon-based oxide and some other nano material particular optical performance and nano material that organic pigment particles is carried out surface modification, create the high performance pigment dyestuff product of a class and realize industrial application.In general all improve more than 2 grades through organic pigment permanence to light after the modification.More owing to the further refinement of the quilt of organic pigment particles in ball mill, so its dispersiveness all obtains raising with tinctorial yield.Simultaneously, adopt and not really expensive nano material, use simple technology, centering, low-grade pigment dyestuff carry out modification and obtain high-grade pigment dyestuff, compare cost with the high-grade pigment dyestuff of direct preparation and reduce greatly.Make the performance of improving pigment dyestuff by surface treatment become the dominant direction of pigment dyestuff development from now on.
Embodiment 1:
Take by weighing the 68.8 gram red BBS of sun-proof (C.I.P.R48:3), 5 grades of light permanencys; The trade mark is nano silicon-based oxide 30 grams of MNIP-0220,640 meters squares/gram of specific surface area (m
2/ g), UV-light reflectivity 80%, lipophilicity; The trade mark is nano zine oxide 0.8 gram of MN6Z, particle diameter 18 nanometers (nm); The trade mark is rutile type nano titanium oxide 0.5 gram of MN3J, particle diameter 30 nanometers (nm).Earlier the red BBS of sun-proof is mixed with titanium oxide, zinc oxide, ball milling is 1 hour in ball mill, adds the nano silicon-based oxide ball milling again 6 hours, receives to such an extent that modified pigment is about 97% of total formulation weight behind the ball milling on the transparent sealing operator's console.After tested, photostabilization improves 2.5 grades.
Embodiment 2:
Take by weighing 68.8 gram Fast Yellow 10Gs (C.I.P.Y.3), 4 grades of light permanencys; The trade mark is nano silicon-based oxide 30 grams of MNIP-0220,660 meters squares/gram of specific surface area (m
2/ g), UV-light reflectivity 85%, lipophilicity; The trade mark is that the nano zine oxide of MN6Z is 0.8 gram, particle diameter 16 nanometers (nm); The trade mark is rutile type nano titanium oxide 0.5 gram of MN3J, particle diameter 20 nanometers (nm).Earlier Fast Yellow 10G (C.I.P.Y.3) is mixed with titanium oxide, zinc oxide, ball milling is 1 hour in ball mill, adds the nano silicon-based oxide ball milling again 6 hours, receives to such an extent that modified pigment is about 97% of total formula ratio behind the ball milling on the transparent sealing operator's console.After tested, photostabilization improves 3 grades.
Embodiment 3:
Take by weighing 87.8 gram 17# permanent fixed yellow GGs, 5 grades of light permanencys; The trade mark is nano silicon-based oxide 10 grams of MNIP-0220,630 meters squares/gram of specific surface area (m
2/ g), UV-light reflectivity 78%, lipophilicity; The trade mark is that the nano zine oxide of MN6Z is 1.4 grams, particle diameter 20 nanometers (nm); The trade mark is rutile type nano titanium oxide 0.5 gram of MN3J-0830, particle diameter 33 nanometers (nm).Earlier, added the nano silicon-based oxide ball milling again 6 hours, on the transparent sealing operator's console, receive to such an extent that modified pigment is about 97% of total formulation weight behind the ball milling the red BBS of sun-proof and titanium oxide, zinc oxide ball milling 1 hour.After tested, photostabilization improves 2 grades.
Claims (3)
1, a kind of nano silicon-based oxide process for modifying organic pigment is characterized in that: earlier nano-titanium oxide, nano zine oxide and sun-proof rank are lower than 5 pigment dyestuff and mix in ball mill, add the nano silicon-based oxide mixing again.
2, nano silicon-based oxide process for modifying organic pigment as claimed in claim 1 is characterized in that: used nano silicon-based oxide specific surface area is＞550m
2/ g, UV-light reflectivity are greater than 75%, and the surface is a lipophilicity; Used nano-titanium oxide is a rutile-type, and median size is about 30 ± 15nm; Nano zine oxide is spherical, and median size is about below the 20nm.
3, nano silicon-based oxide process for modifying organic pigment as claimed in claim 1 or 2, it is characterized in that: pigment dyestuff accounts for 68.8-95% (weight percent) in prescription, nano silicon-based oxide accounts for 3-30% (weight percent), nano zine oxide accounts for 0.5-2% (weight percent), and nano-titanium oxide accounts for 0.5-1% (weight percent).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00125874 CN1210351C (en) | 2000-10-27 | 2000-10-27 | Process for modifying organic pigment with nano SiO2-x |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00125874 CN1210351C (en) | 2000-10-27 | 2000-10-27 | Process for modifying organic pigment with nano SiO2-x |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1351097A CN1351097A (en) | 2002-05-29 |
| CN1210351C true CN1210351C (en) | 2005-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 00125874 Expired - Fee Related CN1210351C (en) | 2000-10-27 | 2000-10-27 | Process for modifying organic pigment with nano SiO2-x |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1305977C (en) * | 2005-03-04 | 2007-03-21 | 北京化工大学 | Method for modifying the surface of nano inorganic particles by transfer method |
| CN103360792B (en) * | 2005-12-23 | 2015-05-27 | 财团法人工业技术研究院 | Transparent plated film structure with ultraviolet light shielding and water/oil draining functions |
| CN104263001B (en) * | 2014-08-13 | 2016-04-06 | 浙江理工大学 | A kind of preparation method of high-weatherability hydrophilic pigment dyestuff |
| WO2018181184A1 (en) | 2017-03-30 | 2018-10-04 | テルモ株式会社 | Medical implement |
| MX2022006419A (en) * | 2019-12-11 | 2022-06-22 | Avon Prod Inc | Compositions with increased color shade stability based on pigmentary tio2, organic pigments and metal oxide particles. |
| CN116376316A (en) * | 2023-02-27 | 2023-07-04 | 杭州映山花颜料化工有限公司 | Water-based organic pigment and preparation method thereof |
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2000
- 2000-10-27 CN CN 00125874 patent/CN1210351C/en not_active Expired - Fee Related
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| CN1351097A (en) | 2002-05-29 |
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