CN1865536A - Preparation method of alkali metal titanium-based whisker and platelet - Google Patents
Preparation method of alkali metal titanium-based whisker and platelet Download PDFInfo
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- CN1865536A CN1865536A CN200610039687.5A CN200610039687A CN1865536A CN 1865536 A CN1865536 A CN 1865536A CN 200610039687 A CN200610039687 A CN 200610039687A CN 1865536 A CN1865536 A CN 1865536A
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- alkali metal
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- 229910052783 alkali metal Inorganic materials 0.000 title claims abstract description 30
- 150000001340 alkali metals Chemical class 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims description 23
- 239000010936 titanium Substances 0.000 title abstract description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title abstract description 5
- 229910052719 titanium Inorganic materials 0.000 title abstract description 5
- 239000000203 mixture Substances 0.000 claims abstract description 15
- 229910001773 titanium mineral Inorganic materials 0.000 claims abstract description 15
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 11
- 150000001875 compounds Chemical class 0.000 claims abstract description 10
- 238000002156 mixing Methods 0.000 claims abstract description 8
- 238000005245 sintering Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000001035 drying Methods 0.000 claims abstract description 3
- 238000001914 filtration Methods 0.000 claims abstract description 3
- 239000013078 crystal Substances 0.000 claims description 23
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 17
- 239000002585 base Substances 0.000 claims description 16
- YDZQQRWRVYGNER-UHFFFAOYSA-N iron;titanium;trihydrate Chemical compound O.O.O.[Ti].[Fe] YDZQQRWRVYGNER-UHFFFAOYSA-N 0.000 claims description 16
- 230000002829 reductive effect Effects 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 239000012141 concentrate Substances 0.000 claims description 5
- 229910052792 caesium Inorganic materials 0.000 claims description 4
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 claims description 4
- 239000003610 charcoal Substances 0.000 claims description 4
- 239000003245 coal Substances 0.000 claims description 4
- 239000011734 sodium Substances 0.000 claims description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 3
- 239000000571 coke Substances 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 229910052700 potassium Inorganic materials 0.000 claims description 3
- 239000011591 potassium Substances 0.000 claims description 3
- 229910052701 rubidium Inorganic materials 0.000 claims description 3
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- 229910002651 NO3 Inorganic materials 0.000 claims description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 2
- 229910001963 alkali metal nitrate Inorganic materials 0.000 claims description 2
- 229910052728 basic metal Inorganic materials 0.000 claims description 2
- 150000003818 basic metals Chemical class 0.000 claims description 2
- 239000006185 dispersion Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 21
- 238000005406 washing Methods 0.000 abstract description 7
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 abstract description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract 2
- 239000003638 chemical reducing agent Substances 0.000 abstract 2
- 238000006243 chemical reaction Methods 0.000 description 14
- 239000002994 raw material Substances 0.000 description 13
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- AIYUHDOJVYHVIT-UHFFFAOYSA-M caesium chloride Chemical compound [Cl-].[Cs+] AIYUHDOJVYHVIT-UHFFFAOYSA-M 0.000 description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 230000035484 reaction time Effects 0.000 description 5
- HUCVOHYBFXVBRW-UHFFFAOYSA-M caesium hydroxide Chemical compound [OH-].[Cs+] HUCVOHYBFXVBRW-UHFFFAOYSA-M 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- JCDAAXRCMMPNBO-UHFFFAOYSA-N iron(3+);oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Ti+4].[Fe+3].[Fe+3] JCDAAXRCMMPNBO-UHFFFAOYSA-N 0.000 description 4
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 150000001339 alkali metal compounds Chemical class 0.000 description 2
- -1 alkali metal titanate Chemical class 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000002783 friction material Substances 0.000 description 2
- 238000003837 high-temperature calcination Methods 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 238000010306 acid treatment Methods 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000357 carcinogen Toxicity 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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Abstract
A method for preparing alkali metal titanium-based whiskers and platelets comprises the steps of fully mixing titanium minerals, alkali metal-containing compounds, a fluxing agent, a reducing agent and water; the mass percentage of the fluxing agent in the mixture is10-50 percent of reducing agent, 1-40 percent of water and the balance of titanium mineral and alkali metal-containing compound; TiO synthesized by titanium mineral and alkali metal-containing compound2And M2O in a molar ratio of TiO2/M2O is 2.0-4.0, wherein M is an alkali metal; sintering the mixture at 800-1300 ℃ for 30 minutes-10 hours; and washing, dispersing, filtering and drying the sintered product. The alkali metal titanium-based whisker and the platelet prepared by the method have complete structures and uniform quality.
Description
Technical field
The present invention relates to the preparation method of a kind of alkali metal titanium-base crystal whisker and platelet, be particularly for a kind of by the simple once sintered method of preparing alkali metal titanium-base crystal whisker and platelet.
Background technology
Alkali metal titanium-base crystal whisker and platelet have enhancing, effect such as heat insulation, can be applicable to industries such as plastics, coating, friction materials.Particularly crystal whisker of hexa potassium titanate has good mechanics and physicals, and excellent heat insulation, wear resistance can replace the strong carcinogen asbestos, have avoided environmental pollution like this, have improved the frictional coefficient and the thermostability of friction materials simultaneously
[1], have significant social and economic benefit.
The method of traditional preparation process alkali metal titanium-base crystal whisker and platelet is with TiO
2Mix according to a certain percentage with alkaline carbonate, obtain through high-temperature calcination then
[1-5], because TiO
2Expensive market value makes that the preparation cost of alkali metal titanium-base crystal whisker and platelet is too high, can not be by large-scale application.Simultaneously, use carbothermic method
[6-8]From titanium ore preparation TiO
2The time, still needing through high-temperature calcination, this is the process of a high energy consumption, also is to cause TiO
2One of reason that price is high.Now with the ilmenite for the feedstock production alkali metal titanium-base crystal whisker mostly is two-step approach, promptly earlier with TiO in the ilmenite
2Enrichment becomes titanium slag, and at high temperature reaction generates the alkali metal titanate whisker with alkali metal compound more then
[9]W.Akira etc.
[10]With the ilmenite of acid treatment and alkali metal compound, graphite, prepare the alkali metal titanate whisker by high temperature sintering, this technology in fact still is two-step approach, at first comes enrichment TiO by the washing ilmenite
2, and then high temperature sintering goes out desired product, and this technology can produce waste water, is unfavorable for environmental protection.
Summary of the invention
The objective of the invention is to realize the high quality and low cost preparation of alkali metal titanium-base crystal whisker and platelet, is presoma with titanium minerals such as ilmenite, ilmenite concentrate, pseudobrookites, and the carbothermic reduction of titanium mineral is prepared TiO
2Process and TiO
2Sintering prepares the PROCESS COUPLING of titanium-base crystal whisker and platelet is in the same place, and a step obtains titanium-base crystal whisker and platelet product in the high-temperature fusant environment.
Purpose of the present invention can reach by following measure:
The preparation method of a kind of alkali metal titanium-base crystal whisker and platelet is characterized in that carrying out according to the following steps:
1. with titanium mineral, alkali metal-containing compound and fusing assistant, reductive agent, water, thorough mixing; Fusing assistant quality percentage composition is 10%～50% in the mixture, and reductive agent quality percentage composition is 1%～40%, and the quality percentage composition is 10%～50%, and all the other are titanium mineral and alkali metal-containing compound; Titanium mineral is amounted to into TiO with alkali metal-containing compound
2With M
2O, its mol ratio is TiO
2/ M
2O=2.0～4.0, wherein M is a basic metal;
2. with said mixture 800～1300 ℃ of following sintering 30 minutes～10 hours;
3. sintered product is washed dispersion, filtration, drying.
Wherein titanium mineral is ilmenite, ilmenite concentrate, pseudobrookite, ulvite or arizonite; Alkali metal-containing compound is nitrate, carbonate or the oxyhydroxide of lithium, sodium, potassium, rubidium, caesium; Fusing assistant is one or more in alkali-metal nitrate, vitriol or the muriate; Reductive agent is one or more in coke, charcoal, graphite or the coal.
The product that the present invention makes is alkali metal titanium-base crystal whisker or platelet M
0.2-2.0Fe
0-2.0Ti
0.2-6O
2-16, wherein the content of iron can be controlled by reductive agent.Product whisker length 10～100 μ m, diameter 1～4 μ m; Platelet diameter 8～15 μ m, thickness 1～3 μ m.The present invention directly is presoma with the titanium mineral, and the carbothermic reduction of titanium mineral is prepared TiO
2Process and TiO
2Sintering prepares the PROCESS COUPLING of titanium-base crystal whisker and platelet and is in the same place, shorten technical process, adopted melting method simultaneously, improved the crystal property of product, thereby be the method that a kind of low-cost and high-quality prepares alkali metal titanium-base crystal whisker and platelet, help suitability for industrialized production and application.The alkali metal titanium-base crystal whisker of the present invention preparation and platelet have excellent properties such as enhancing, heat insulation, friction.
Description of drawings
Fig. 1 is scanning electronic microscope (SEM) figure of iron titanate lithium platelet of the present invention.
Fig. 2 is scanning electronic microscope (SEM) figure of crystal whisker of hexa potassium titanate of the present invention.
Fig. 3 is scanning electronic microscope (SEM) figure of iron titanate caesium whisker of the present invention.
Embodiment
According to embodiment the present invention is further described below:
Embodiment 1.
1. preparation of raw material: ilmenite, Li
2CO
3, LiCl, graphite, H
2O.Above-mentioned raw materials uniform mixing, wherein mol ratio TiO
2/ Li
2O=2.0 contains 10wt%LiCl, graphitiferous 10wt%, moisture 50wt%; 2. mixed reaction mass is loaded in the alumina crucible, temperature of reaction is 800 ℃, and the reaction times is 10 hours; 3. the sintered product washing is disperseed; 4. filter; 5. following dry 2.5 hours at 150 ℃.
That said process obtains is Li
1.12Fe
0.62Ti
1.25O
4Platelet, diameter 8～15 μ m, thickness 1～3 μ m, quality is even, structural integrity.
Other embodiment are all by the method for embodiment 1, and concrete raw material composition, implementation condition and product characterize as shown in table 1.
Concrete raw material composition, implementation condition and the shape of product of table 1 embodiment 2～5
| Other embodiment | Raw material is formed (wt) | TiO 2/M 2O mol ratio | Sintering temperature and time | Product and pattern | Length μ m | Diameter μ m | Thickness μ m |
| Embodiment 2 | Pseudobrookite, NaOH NaNO 350% charcoal, 1% water 10% | 4.0 | 1300℃ 30min | NaFeTiO 4Whisker | 20～100 | 2～4 | |
| Embodiment 3 | Ulvite, KNO 3 KCl，K 2SO 410% charcoal, coal 40% water 10% | 3.5 | 1200℃ 2h | K 2Ti 6O 13Whisker | 10～60 | 1～3 | |
| Embodiment 4 | Arizonite, Rb 2CO 3 RbNO 310% coal, 30% water 20% | 3.0 | 1100℃ 8h | RbFeTi 3O 8Platelet | 8～12 | 1～3 | |
| | Ilmenite concentrate, CsOH CsCl 20% coke 20% water 20% | 2.5 | 1000℃ 5h | Cs 0.75Fe 0.75T i 0.25O 2Whisker | 10～80 | 1～3 |
Comparative example 1.
1. preparation of raw material: TiO
2, NaOH, H
2O.Above-mentioned raw materials uniform mixing, wherein mol ratio TiO
2/ Na
2O=2.0, moisture 40wt%; 2. mixed reaction mass is loaded in the alumina crucible, temperature of reaction is 1300 ℃, and the reaction times is 30min; 3. the sintered product washing is disperseed; 4. filter; 5. following dry 2.5 hours at 150 ℃.
What said process obtained is sodium hexatitanate whisker, its diameter 1～2.5 μ m, and length 10～30 μ m compare with embodiment 2, owing to changed the reaction precursor body, do not add fusing assistant, and the product crystallinity is relatively poor.
Comparative example 2.
1. preparation of raw material: arizonite, K
2CO
3, graphite, H
2O.Above-mentioned raw materials uniform mixing, wherein mol ratio TiO
2/ K
2O=3.0, graphitiferous 40wt%, moisture 10wt%; 2. mixed reaction mass is loaded in the alumina crucible, temperature of reaction is 1200 ℃, and the reaction times is 2 hours; 3. the sintered product washing is disperseed; 4. filter; 5. following dry 2.5 hours at 150 ℃.
What said process obtained is six potassium titanates, compares with embodiment 3, owing to do not add fusing assistant, the product pattern is a crystal block, inferior quality.
Comparative example 3.
1. preparation of raw material: ilmenite concentrate, Rb
2CO
3, RbNO
3, H
2O.Above-mentioned raw materials uniform mixing, wherein mol ratio TiO
2/ Rb
2O=4.0 contains 10wt%RbNO
3, moisture 20wt%; 2. mixed reaction mass is loaded in the alumina crucible, temperature of reaction is 1100 ℃, and the reaction times is 8 hours; 3. the sintered product washing is disperseed; 4. filter; 5. following dry 2.5 hours at 150 ℃.
The main component that said process obtains is an iron titanate rubidium particle, compares with embodiment 4, owing to do not add reductive agent, product is formed heterogeneity, inferior quality.
Comparative example 4.
1. preparation of raw material: ilmenite, CsOH, CsCl, graphite, H
2O.Above-mentioned raw materials uniform mixing, wherein mol ratio TiO
2/ Cs
2O=5.0 contains 60wt%CsCl, graphitiferous 0.5wt%, moisture 5wt%; 2. mixed reaction mass is loaded in the alumina crucible, temperature of reaction is 600 ℃, and the reaction times is 2 hours; 3. the sintered product washing is disperseed; 4. filter; 5. following dry 2.5 hours at 150 ℃.
What said process obtained is the iron titanate caesium, compares with embodiment 5, because these processing condition exceed processing range of the present invention, so the product pattern is particulate state, inferior quality.
By embodiment and comparative example more as can be seen: the present invention makes the crystalline quality obviously improve owing to add fusing assistant and reductive agent in reaction.Compare with traditional technology, the present invention has changed the reaction precursor body, and has shortened flow process, greatly reduces production cost, and therefore as seen, the present invention is fit to large-scale industrialization production.
Reference
[1] Feng Xin, Yang Zhuhong, Lu Xiaohua etc., the preparation method of crystal whisker of hexa potassium titanate, CN1323924A, 2001.
[2] Huai gift, Zhao Kuanfang, potassium titanate crystal whiskers preparation method, CN1093760,1994.
[3] Cheng Cunkang, Xu Hong, Hu Hengyao, Gu Hongchen, the preparation method of crystal whisker of hexa potassium titanate, CN1472369,2004.
[4]K.Isamu，A.Kenji，Production of potassium titanate fiber，JP10212625，1998。
[5]H.Ogawa，S.Takahashi，N.Itoi，Platy potassium titanate，process for producing the same，and friction material，US6677041，2000。
[6]S.A.F.Simon，M.D.John，Preparation of high-titania slag bycarbothermic smelting of ilmenite ore in electric-arc furnace，US2002-284636，2002。
[7]F.Lothar，B.A.Naghi，Process of producing synthetic rutilefrom ilmenite，AU 1998-63575，1998。
[8] what Anxi, preparation method of reduced ilmenite powder and uses thereof, CN1036228A.
[9]F.YOSHINORI，W.JIYUN，Production of titania fiber，JP60259625，1985。
[10]W.Akira，T.Yoshimitsu，S.Koji，F.Masashi，Production ofalkali titanate fiber，JP62207800，1987。
Claims (5)
1. the preparation method of alkali metal titanium-base crystal whisker and platelet is characterized in that carrying out according to the following steps:
1. with titanium mineral, alkali metal-containing compound and fusing assistant, reductive agent, water, thorough mixing; Fusing assistant quality percentage composition is 10%～50% in the mixture, and reductive agent quality percentage composition is 1%～40%, and the quality percentage composition is 10%～50%, and all the other are titanium mineral and alkali metal-containing compound; Titanium mineral is amounted to into TiO with alkali metal-containing compound
2With M
2O, its mol ratio is TiO
2/ M
2O=2.0～4.0, wherein M is a basic metal;
2. with said mixture 800～1300 ℃ of following sintering 30 minutes～10 hours;
3. sintered product is washed dispersion, filtration, drying.
2. preparation method according to claim 1 is characterized in that titanium mineral is ilmenite, ilmenite concentrate, pseudobrookite, ulvite or arizonite.
3. preparation method according to claim 1 is characterized in that alkali metal-containing compound is nitrate, carbonate or the oxyhydroxide of lithium, sodium, potassium, rubidium, caesium.
4. preparation method according to claim 1 is characterized in that fusing assistant is one or more in alkali-metal nitrate, vitriol or the muriate.
5. preparation method according to claim 1 is characterized in that reductive agent is one or more in coke, charcoal, graphite or the coal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100396875A CN100491603C (en) | 2006-04-20 | 2006-04-20 | Preparation method of alkali metal titanium-based whisker and platelet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100396875A CN100491603C (en) | 2006-04-20 | 2006-04-20 | Preparation method of alkali metal titanium-based whisker and platelet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1865536A true CN1865536A (en) | 2006-11-22 |
| CN100491603C CN100491603C (en) | 2009-05-27 |
Family
ID=37424676
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|---|---|---|---|
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102677173A (en) * | 2012-05-22 | 2012-09-19 | 中国科学院青海盐湖研究所 | Preparation method of lead titanate whiskers |
| CN102787359A (en) * | 2012-09-03 | 2012-11-21 | 中国科学院青海盐湖研究所 | Preparation method for calcium titanate whiskers |
| CN104762659A (en) * | 2015-05-08 | 2015-07-08 | 唐山晶须复合材料制造有限公司 | Synthetic method for columnar sodium hexatitanate |
| CN116199268A (en) * | 2023-04-06 | 2023-06-02 | 攀枝花学院 | Preparation method of sodium iron titanate powder |
-
2006
- 2006-04-20 CN CNB2006100396875A patent/CN100491603C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102677173A (en) * | 2012-05-22 | 2012-09-19 | 中国科学院青海盐湖研究所 | Preparation method of lead titanate whiskers |
| CN102787359A (en) * | 2012-09-03 | 2012-11-21 | 中国科学院青海盐湖研究所 | Preparation method for calcium titanate whiskers |
| CN102787359B (en) * | 2012-09-03 | 2015-04-15 | 中国科学院青海盐湖研究所 | Preparation method for calcium titanate whiskers |
| CN104762659A (en) * | 2015-05-08 | 2015-07-08 | 唐山晶须复合材料制造有限公司 | Synthetic method for columnar sodium hexatitanate |
| CN104762659B (en) * | 2015-05-08 | 2017-11-07 | 唐山晶须复合材料制造有限公司 | A kind of synthetic method of column sodium hexatitanate |
| CN116199268A (en) * | 2023-04-06 | 2023-06-02 | 攀枝花学院 | Preparation method of sodium iron titanate powder |
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| Publication number | Publication date |
|---|---|
| CN100491603C (en) | 2009-05-27 |
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