CN101235223B - High water dispersity titanium dioxide and coating method thereof - Google Patents
High water dispersity titanium dioxide and coating method thereof Download PDFInfo
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- CN101235223B CN101235223B CN2008103004687A CN200810300468A CN101235223B CN 101235223 B CN101235223 B CN 101235223B CN 2008103004687 A CN2008103004687 A CN 2008103004687A CN 200810300468 A CN200810300468 A CN 200810300468A CN 101235223 B CN101235223 B CN 101235223B
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Abstract
The invention relates to titanium dioxide with high water dispersibility and a coating process, belonging to the chemical industry field, which solves the technical problem that titanium dioxide which is produced by a current process has lower dispersibility. The coating process of titanium dioxide with high water dispersibility of the invention comprises the steps of beating, silicon coating, aluminum coating, scouring, drying and disintegrating and the like, wherein sodium aluminate solution is used to conduct coating in the aluminum coating step, and sodium silicate solution is used to conduct coating in the silicon coating step, wherein the molar ratio of sodium aluminate solution usage which is calculated with A1 2 O3 and sodium silicate usage which is calculated with SiO 2 is 1:4. The process of the invention can be used to prepare titanium dioxide with high water dispersibility, which has widespread application prospect, and the Haegeman index of titanium dioxide which is prepared can reach over 7.0 in emulsion paint.
Description
Technical field
The present invention relates to high water dispersity titanium dioxide and coating method thereof, belong to chemical field.
Background technology
Whiteness is good, reducing power strong, the specific refractory power advantages of higher is widely used in fields such as coating, plastics, papermaking and chemical fibre owing to titanium dioxide has.Along with the widespread use of titanium dioxide, people are more and more higher to the performance requriements of titanium dioxide, and some specific area has high requirements to the specified property of titanium dioxide, as require high-dispersed, high-weatherability, high covering power etc.For the research of high water dispersity titanium dioxide, all obtained certain progress at present both at home and abroad.
Patent publication No. is the patent application of CN1454939A, discloses a kind of independent with aluminum oxide coating nano-TiO
2Improve its method dispersed and weathering resistance, but the coating quantity of this method aluminium is higher, generally will coat 10%～20%, its dispersed could obviously improvement.U.S. Pat 5840111 has adopted the method for surperficial coating Cs2O and ferric oxide to improve nano-TiO
2Dispersiveness, but this method only is fit to the colored TiO of preparation
2, colour of skin used for cosmetic nano-TiO particularly
2Patent WO90/06103 discloses with phosphoric acid fat coating nano-TiO
2Improve its method dispersed and ultraviolet shielded property, but adopt the nano-TiO after this method is handled
2Range of application is narrower, only is fit to have with phosphoric acid fat the solvent environment of good compatibleness.Application number is to disclose the composite coated technology of a kind of silicon, aluminium in 200610020847.1 the Chinese patent application and disclose silicon, the composite coated consumption of aluminium, its main purpose is to weigh coating, improve the opacifying power of product, because coated porous silicon and aluminium film under low temperature and low basicity condition, therefore also the dispersiveness of product has been improved, but the dispersiveness of its coated product in colourless slip is about 20um, the graceful index of its corresponding black square is about 6.5, can not reach the high-dispersed TiO in this area
2Requirement.Cui Aili, Wang Tingjie etc., TiO
2Surface coated Si O
2And Al
2O
3Mechanism and structural analysis, high chemical journal, the 19th the volume, (11), p1727 mentions at TiO
2The surface coats layer protecting film and helps improving TiO
2Dispersiveness, but this article is during to the compound coating of silicon-aluminium binary, the coating ratio of oxide compound is furtherd investigate.Li Wensheng, Zhang Tianyong etc., super-weathering resistance TiO
2The coating process of pigment, chemical industry and engineering, the 24th volume, (1), p39 mentions SiO
2Coating quantity reaches 3.0 * 10
-2～3.5 * 10
-2Could form complete epidermis compact shape film, but not study Al in great detail
2O
3Consumption.Li Jingxian, Liu Shu etc., nano-TiO
2Inorganic method for coating of particle surface and principle, Chinese pottery industry, 2005 02 month the 12nd the 1st phase of volume, mention silicon, aluminium is composite coated, and control SiO
2: Al
2O
3Be 1: 1～2: 1, however the silicon of this ratio, the composite coated TiO of aluminium
2Dispersing property not good yet, can not reach the high-dispersed TiO in this area
2Requirement.
Summary of the invention
First purpose of the present invention is at above-mentioned deficiency, provide a kind of in water-based system the coating method of dispersed higher titanium dioxide.
The coating method of high water dispersity titanium dioxide of the present invention, comprise steps such as making beating, silicon coating, aluminium coating, washing, drying, pulverizing, wherein, use sodium aluminate solution to carry out coating in the aluminium coating step, use sodium silicate solution to carry out coating in the silicon coating step, and with Al
2O
3The meter sodium metaaluminate consumption with SiO
2The mol ratio of the consumption of the water glass of meter is 1: 4.
Steps such as above-mentioned making beating, washing, drying, pulverizing get final product above-mentioned TiO with ordinary method
2Type can be common titanium white, nano-TiO
2Or anatase titanium dioxide TiO
2Deng.
Further, the coating method of above-mentioned high water dispersity titanium dioxide comprises the steps:
A, with distilled water or deionized water and TiO
2Making beating adds dispersion agent and NaOH solution, and regulating the pH value is 9.0～10.0, carries out sand milling then, makes TiO
2Concentration is the slurry of 80～120g/l;
B, the slurry that a step is made are heated to 90～95 ℃, and regulating pH value of slurry with NaOH solution simultaneously is 10.6～12.0, insulation slaking 10min, and stream adds water glass and sulphuric acid soln, slaking 20～40min then; Wherein, the add-on of water glass is with SiO
2Count TiO
23.0%～5.0% of weight, pH value of slurry is 10.6～12.0 in the add-on maintenance coating process of sulphuric acid soln;
C, regulate TiO behind the bag silicon with sulphuric acid soln
2Slurry pH value is 9.4～10.6, and stream adding sodium metaaluminate and sulphuric acid soln, adds post curing 20～40min;
D, regulate TiO behind the alclad with sulphuric acid soln
2PH value of slurry is 7.0～7.6, slaking, and the cooling slurry, filtration, washing, dry, pulverizing promptly get product.
Further, the dispersion agent described in the step a of the coating method of above-mentioned high water dispersity titanium dioxide is a Sodium hexametaphosphate 99, and its add-on is with P
2O
5Count TiO
20.4%～0.8% of weight.
Further, the concentration expressed in percentage by weight of the NaOH solution among the step a of the coating method of above-mentioned high water dispersity titanium dioxide is 10%～15%.
In order to make TiO in the slurry
2Granularity littler, help disperseing, can be with conventional sanding method to the slurry sand milling, if pH value of slurry is too high during sand milling, can make slurry viscosity big and sliding and influence the sand milling effect, if the pH of slurry is low excessively, the slurry behind the sand milling can be reunited again, therefore, regulating pH value of slurry during sand milling is 9.0～10.0.The concentration of slurry mainly is by the decision of the performance of sand milling device during sand milling, the concentration of slurry in the time of can be according to the property regulation sand milling of concrete sand milling device.Preferably, TiO in the slurry before the sand milling among the step a of the coating method of above-mentioned high water dispersity titanium dioxide
2Concentration is 180～200g/l, crosses 325 mesh sieves behind the sand milling slurry, and adding distil water or deionized water diluted slurry make TiO then
2Concentration is the slurry of 80～120g/l.
For the quality of the silicon fiml that improves coating, need control sodium silicate solution and sulphuric acid soln concentration and and flow adding speed, preferably, the concentration of the step b mesosilicic acid sodium solution of the coating method of above-mentioned high water dispersity titanium dioxide is with SiO
2Count 80～120g/l, the concentration expressed in percentage by weight of sulphuric acid soln is 20%, and the time of whole silicon coating process is 150～180min.
For the quality of the aluminium film that improves coating, need control sodium metaaluminate and sulphuric acid soln concentration and and flow adding speed, preferably, the concentration of sodium aluminate solution is with Al among the step c of the coating method of above-mentioned high water dispersity titanium dioxide
2O
3Count 80～120g/l, the concentration expressed in percentage by weight of sulphuric acid soln is 20%, and the time of whole aluminium coating process is 90～120min.
Further, the concentration expressed in percentage by weight of the described sulphuric acid soln of steps d of the coating method of above-mentioned high water dispersity titanium dioxide is 10%～15%, and in 30min pH value of slurry is transferred to 7.0～7.6, then slaking 30min.
Further, the slurry of the steps d of the coating method of above-mentioned high water dispersity titanium dioxide is cooled to 60～70 ℃, filters then, and filter cake washing is to SO
4 2-Content is less than 10
-5, use spraying drying then, drying temperature is 90～160 ℃, uses comminution by gas stream after the titanium dioxide drying of coating, the gas-solid ratio of comminution by gas stream is 4: 1.
Second purpose of the present invention provides a kind of titanium dioxide that is prepared by the coating method of above-mentioned high water dispersity titanium dioxide.
Further, the above-mentioned graceful index of the black square of titanium dioxide in emulsion paint 〉=7.0.
The graceful index of the black square of the prepared titanium dioxide of the coating method of high water dispersity titanium dioxide of the present invention in emulsion paint can reach more than 7.0, the dispersiveness (the graceful index of black square of existing like product is generally all below 6.5) that is higher than existing like product far away, and the step of the inventive method is simple, production cost reduces, do not need specific installation, have broad application prospects.
Description of drawings
Fig. 1 is the surface electrical bitmap of the composite coated titanium dioxide of the sial of different amounts proportioning, and X-coordinate is SiO among the figure
2With Al
2O
3Mol ratio, ordinate zou is the surface potential size.
Embodiment
Below in conjunction with embodiment the specific embodiment of the present invention is further described, does not therefore limit the present invention among the described scope of embodiments.
Experimental example 1 Al
2O
3With SiO
2The coating consumption determine
According to document announcement (Tang Zhenyu. the production of titanium dioxide and environmental improvement [M]. Chemical Industry Press, 2000,1:189-190) SiO
2/ Al
2O
3Mol ratio during greater than 1 (following all is mol ratio), help TiO
2Water dispersible, therefore test is in suitable coating temperature, suitable coating pH value, and in the stream with the mode condition under, studied SiO
2/ Al
2O
3Be respectively 0,1: 1,2: 1,3: 1,4: 1 and 5: 1 o'clock dispersiveness, react its dispersed size with the size of surface potential.
Test conditions: 90 ℃ of coating temperature, pH during coating: bag silicon 10.6～12.0, alclad 9.4～10.6, sodium silicate silicate 80～120g/l during coating, sulfuric acid concentration 10%～15%, concentration of sodium aluminate 80～120g/l.
Test-results: as shown in Figure 1.
As can be seen from Figure 1, along with SiO
2/ Al
2O
3The increase of ratio, the absolute value of sample surfaces current potential is increase trend generally, and after reaching 4: 1, increase trend is not obvious.This mainly is owing in binary coating process, have a best proportioning between hydration silicon fiml and the hydrated aluminum film.
Al (OH)
4 -Be an aluminum ion that carries 4 activity hydroxies, with the TiO that is coated on that has a large amount of activity hydroxies
2The silicon hydrate on surface is when it's convenient coordination Cheng Jian mutually, generates the part that is similar to the clamped thing that boils together, and concrete reaction is as shown in the formula 1 and formula 2:
From formula 1 and formula 2 as can be known, in this coordination compound, the maximum coordination of silica chain and aluminium 6: 1, and test-results shows, dispersed best be SiO
2/ Al
2O
3It is 4: 1.This mainly is because at SiO
2/ Al
2O
3Equal at 4: 1 o'clock, space performance the best of coordination compound, the electrostatic repulsion forces maximum can be impelled the silica chain to reach in polar solvent to greatest extent and stretch, thereby stop the polymerization between the siloxy on the one hand, increases its water dispersible on the other hand.
SiO
2/ Al
2O
3Be 4: 1 o'clock, sial coordinate skeleton symbol is as follows:
From formula 1, formula 2, formula 3 as can be seen, Al (OH)
4 -At the TiO that is coated with the silicon hydrate
2Behind the surface deposition, formation to be one also be a big power supply body with the electrified body of multi-charge more, therefore, the surface potential of this film is bigger than single bag silicon, the alkalescence of surface p H value is stronger.
The preparation of embodiment 1 high water dispersity titanium dioxide
1200g titanium white first product pulled an oar with deionized water become to contain TiO
2Be the slurry of 200g/l, add Sodium hexametaphosphate 99 4.8g, transferring system pH with 10%～15%NaOH solution simultaneously is 9.0.With slurry sand milling to 325 order, be diluted to TiO with deionized water again
2120g/l.Get 120g/l TiO
2Slurry 5000ml (contains TiO
2Amount 600g), be heated to 90 ℃, transferring system pH with 10%～15%NaOH simultaneously is 10.6, insulation 10min and detection architecture pH value.At the uniform velocity add 100g/l sodium silicate solution 180ml in 150min, drip 20% dilute sulphuric acid simultaneously in system in system, guarantee system pH value is 10.6, adds post curing 30min.Transferring system pH with 10% dilute sulphuric acid is 9.0, insulation 10min and detection architecture pH value.At the uniform velocity add 100g/l sodium aluminate solution 75ml in 90min, drip 20% dilute sulphuric acid simultaneously in system in system, guarantee system pH value is 9.0, adds post curing 30min.Transferring system pH with 10% dilute sulphuric acid is 7.6, cools off slurry to 60 ℃ simultaneously, filter the back with deionized water wash to SO
4 2-Content is less than 10
-5The filter cake of cleaning is pulverized with 4: 1 gas-solid ratio at last and is promptly got high-dispersed TiO 90 ℃ of following spraying dryings
2
Gained titanium white TiO
295.43%, SiO
2Be 2.89%, Al
2O
3Be 1.23%, contact angle moistening height h
2With the slope of time t be 0.0166 (slope is represented the size of wettability, and big more its water dispersible of wettability is good more), in the emulsion paint its to measure the graceful index of black square be 7.0.(emulsion paint is one of water-based system, with the water ratio, and good dispersity in water, not necessarily good dispersity in emulsion paint; But good dispersity in emulsion paint, then the dispersiveness in water must be good.Therefore, the embodiment among the present invention selects the graceful exponential size of the black square of titanium dioxide in emulsion paint to judge the size of its water dispersible.)
The preparation of embodiment 2 high water dispersity titanium dioxides
With 1200g gold redrock nano TiO
2Pull an oar with deionized water and to become to contain TiO
2Be the slurry of 180g/l, add Sodium hexametaphosphate 99 3.6g, transferring system pH with 10%～15%NaOH solution simultaneously is 9.5.With slurry sand milling to 325 order, be diluted to TiO with deionized water again
2100g/l.Get 100g/l TiO
2Slurry 6000ml (contains TiO
2Amount 600g), be heated to 90 ℃, transferring system pH with 10%～15%NaOH simultaneously is 11.2, insulation 10min and detection architecture pH value.At the uniform velocity add 80g/l sodium silicate solution 300ml in 180min, drip 20% dilute sulphuric acid simultaneously in system in system, guarantee system pH value is 11.2, adds post curing 30min.Transferring system pH with 10% dilute sulphuric acid is 9.8, insulation 10min and detection architecture pH value.At the uniform velocity add 80g/l sodium aluminate solution 125ml in 100min, drip 20% dilute sulphuric acid simultaneously in system in system, guarantee system pH value is 9.8, adds post curing 30min.Transferring system pH with 10% dilute sulphuric acid is 7.6, cools off slurry to 60 ℃ simultaneously, filter the back with deionized water wash to SO
4 2-Content is less than 10
-5The filter cake of cleaning is pulverized with 4: 1 gas-solid ratio at last and is promptly got high-dispersed TiO 120 ℃ of following spraying dryings
2
Gained titanium white TiO
294.4%, SiO
2Be 3.85%, Al
2O
3Be 1.64%, contact angle moistening height h
2With the slope of time t be 0.0168, the graceful index of its black square is 7.8 in the emulsion paint.
The preparation of embodiment 3 high water dispersity titanium dioxides
With 1200g dichloride in anatase type TiO
2Pull an oar with deionized water and to become to contain TiO
2Be the slurry of 180g/l, add Sodium hexametaphosphate 99 3.2g, transferring system pH with 10%～15%NaOH solution simultaneously is 10.0.With slurry sand milling to 325 order, be diluted to TiO with deionized water again
280g/l.Get 80g/l TiO
2Slurry 7500ml (contains TiO
2Amount 600g), be heated to 90 ℃, transferring system pH with 10%～15%NaOH simultaneously is 12.0, insulation 10min and detection architecture pH value.At the uniform velocity add 80g/l sodium silicate solution 375ml in 150min, drip 20% dilute sulphuric acid simultaneously in system in system, guarantee system pH value is 12.0, adds post curing 30min.Transferring system pH with 10% dilute sulphuric acid is 10.4, insulation 10min and detection architecture pH value.At the uniform velocity add 80g/l sodium aluminate solution 153ml in 120min, drip 20% dilute sulphuric acid simultaneously in system in system, guarantee system pH value is 10.4, adds post curing 30min.Transferring system pH with 10% dilute sulphuric acid is 7.6, cools off slurry to 70 ℃ simultaneously, filter the back with deionized water wash to SO
4 2-Content is less than 10
-5The filter cake of cleaning is pulverized with 4: 1 gas-solid ratio at last and is promptly got high-dispersed TiO 160 ℃ of following spraying dryings
2
Gained titanium white TiO
293.60%, SiO
2Be 4.90%, Al
2O
3Be 2.00%, contact angle moistening height h
2With the slope of time t be 0.0172, the graceful index of its black square is 8.0 in the emulsion paint.
From embodiment 1,2,3 as can be seen the graceful index of the black square of titanium dioxide emulsion paint of the inventive method preparation all reach more than 7.0, be higher than existing titanium dioxide product (the graceful index of black square of existing like product is generally all below 6.5).
Claims (9)
1. the coating method of high water dispersity titanium dioxide is characterized in that comprising the steps:
A, with distilled water or deionized water and TiO
2Making beating adds dispersion agent and NaOH solution, and regulating the pH value is 9.0～10.0, carries out sand milling then, makes TiO
2Concentration is the slurry of 80～120g/l;
B, the slurry that a step is made are heated to 90～95 ℃, and regulating pH value of slurry with NaOH solution simultaneously is 10.6～12.0, insulation slaking 10min, and stream adds water glass and sulphuric acid soln, slaking 20～40min then; Wherein, the add-on of water glass is with SiO
2Count TiO
23.0%～5.0% of weight, pH value of slurry is 10.6～12.0 in the add-on maintenance coating process of sulphuric acid soln;
C, regulate TiO behind the bag silicon with sulphuric acid soln
2Slurry pH value is 9.4～10.6, and stream adding sodium metaaluminate and sulphuric acid soln, adds post curing 20～40min; Wherein, with Al
2O
3The meter sodium metaaluminate consumption with SiO
2The mol ratio of the consumption of the water glass of meter is 1: 4;
D, regulate TiO behind the alclad with sulphuric acid soln
2PH value of slurry is 7.0～7.6, slaking, and the cooling slurry, filtration, washing, dry, pulverizing promptly get product.
2. the coating method of high water dispersity titanium dioxide according to claim 1, it is characterized in that: the dispersion agent described in the step a is a Sodium hexametaphosphate 99, and the add-on of Sodium hexametaphosphate 99 is with P
2O
5Count TiO
20.4%～0.8% of weight; The concentration expressed in percentage by weight of NaOH solution is 10%～15% among the step a.
3. the coating method of high water dispersity titanium dioxide according to claim 1 is characterized in that: TiO in the slurry among the step a before the sand milling
2Concentration is 180～200g/l, and the slurry behind the sand milling is crossed 325 mesh sieves, and adding distil water or deionized water diluted slurry make TiO then
2Concentration is the slurry of 80～120g/l.
4. the coating method of high water dispersity titanium dioxide according to claim 1, it is characterized in that: step b mesosilicic acid sodium solution concentration is with SiO
2Count 80～120g/l, the concentration expressed in percentage by weight of described sulphuric acid soln is 20%.
5. the coating method of high water dispersity titanium dioxide according to claim 1, it is characterized in that: the concentration of the described sodium aluminate solution of step c is with Al
2O
3Count 80～120g/l, the concentration expressed in percentage by weight of described sulphuric acid soln is 20%.
6. the coating method of high water dispersity titanium dioxide according to claim 1, it is characterized in that: the concentration expressed in percentage by weight of the described sulphuric acid soln of steps d is 10%～15%, and in 30min pH value of slurry is transferred to 7.6, then slaking 30min.
7. the coating method of high water dispersity titanium dioxide according to claim 1, it is characterized in that: the described exsiccant method of steps d is a spraying drying, and drying temperature is 90～160 ℃; The method of crushed after being dried is a comminution by gas stream, and the gas-solid ratio of comminution by gas stream is 4: 1.
8. by the titanium dioxide of the coating method of each described high water dispersity titanium dioxide of claim 1～7 preparation.
9. titanium dioxide according to claim 8 is characterized in that: the graceful index of the black square of described titanium dioxide in emulsion paint 〉=7.0.
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| CN105293505A (en) * | 2015-12-10 | 2016-02-03 | 周坤友 | Nano silica sol with novel structure |
| CN105602293B (en) * | 2015-12-24 | 2018-06-26 | 常州大学 | A kind of preparation method of high stability zinc-titanium composite mortar |
| CN107722677A (en) * | 2017-11-21 | 2018-02-23 | 攀钢集团攀枝花钢铁研究院有限公司 | Titanium dioxide sial coating method |
| CN107868490A (en) * | 2017-11-29 | 2018-04-03 | 攀钢集团攀枝花钢铁研究院有限公司 | The method of titanium white sial coating |
| CN111234567B (en) * | 2020-03-18 | 2021-11-05 | 中南大学 | Inorganic coating process for preparing high-weather-resistance titanium dioxide |
| CN112194912B (en) * | 2020-09-27 | 2021-12-10 | 攀枝花大互通钛业有限公司 | Preparation method of high-dispersion, high-brightness, high-coverage and high-weather-resistance water-based titanium white |
| CN113105759B (en) * | 2021-04-15 | 2022-04-15 | 攀枝花学院 | Surface treatment method of titanium dioxide |
| CN116285425A (en) * | 2022-12-15 | 2023-06-23 | 宜宾天原海丰和泰有限公司 | Titanium dioxide silicon-aluminum coating method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1578813A (en) * | 2001-11-01 | 2005-02-09 | 纳幕尔杜邦公司 | Easy to disperse, high durability TiO2 pigment and method of making same |
| CN100999620A (en) * | 2006-12-20 | 2007-07-18 | 中国科学院山西煤炭化学研究所 | Process for coating surface of titanium white powder |
-
2008
- 2008-03-05 CN CN2008103004687A patent/CN101235223B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1578813A (en) * | 2001-11-01 | 2005-02-09 | 纳幕尔杜邦公司 | Easy to disperse, high durability TiO2 pigment and method of making same |
| CN100999620A (en) * | 2006-12-20 | 2007-07-18 | 中国科学院山西煤炭化学研究所 | Process for coating surface of titanium white powder |
Non-Patent Citations (8)
| Title |
|---|
| 崔爱莉等.SiO2和Al2O3在TiO2表面的成核包覆与成膜包覆.化工冶金20 2.1999,20(2),178-181. |
| 崔爱莉等.SiO2和Al2O3在TiO2表面的成核包覆与成膜包覆.化工冶金20 2.1999,20(2),178-181. * |
| 崔爱莉等.TiO2表面包覆SiO2和Al2O3的机理和结构分析.高等学校化学学报19 11.1998,19(11),1727-1729. |
| 崔爱莉等.TiO2表面包覆SiO2和Al2O3的机理和结构分析.高等学校化学学报19 11.1998,19(11),1727-1729. * |
| 李文生等.超耐候性TiO2颜料的包膜工艺.化学工业与工程24 1.2007,24(1),36-39. |
| 李文生等.超耐候性TiO2颜料的包膜工艺.化学工业与工程24 1.2007,24(1),36-39. * |
| 李竟先等.纳米TiO2颗粒表面无机包覆方法及原理.中国陶瓷工业12 1.2005,12(1),40-44. |
| 李竟先等.纳米TiO2颗粒表面无机包覆方法及原理.中国陶瓷工业12 1.2005,12(1),40-44. * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103819943A (en) * | 2014-02-19 | 2014-05-28 | 攀枝花市钛海科技有限责任公司 | Producing method of yellowing-resistant general anatase titanium dioxide |
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