CN103449534B - A kind of take ionic liquid as the method that template prepares magnetic nano-particle - Google Patents
A kind of take ionic liquid as the method that template prepares magnetic nano-particle Download PDFInfo
- Publication number
- CN103449534B CN103449534B CN201310339989.4A CN201310339989A CN103449534B CN 103449534 B CN103449534 B CN 103449534B CN 201310339989 A CN201310339989 A CN 201310339989A CN 103449534 B CN103449534 B CN 103449534B
- Authority
- CN
- China
- Prior art keywords
- ionic liquid
- template
- particle
- magnetic nano
- condition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Soft Magnetic Materials (AREA)
Abstract
Being the method that template prepares magnetic nano-particle with ionic liquid, take ionic liquid as soft template, FeSO
47H
2o and FeCl
36H
2o, as raw material, adopts chemical coprecipitation to obtain nano level magnetic Fe
3o
4particle, first by FeSO
47H
2o and FeCl
36H
2o mixes, and adds deionized water, then adds ionic liquid template; Said mixture is 40-100 DEG C in temperature, stirring velocity is stir 0.5-3 hour under the condition of 1200r/min, then adding ammoniacal liquor regulates the pH value of above-mentioned reactant to 8-11, then low whipping speed is continue strong stirring 0.5-3 hour under the condition of 1200r/min, until the color of reaction mixture becomes black, stop stirring; Then be 200W ultrasonic cleaning 5 times with power, clean 1 minute each time, the material magnet after clean is separated, and is vacuum-drying 7-12 hour under the condition of 50-100 DEG C in temperature, the Fe that the magnetic nano-particle prepared obtains
3o
4nano particle diameter is little, narrowly distributing and have superparamagnetism, has simple and easy to do, repeatable strong, the feature that cost is low.
Description
Technical field
The present invention relates to nano material production technical field, particularly a kind of take ionic liquid as the method that template prepares magnetic nano-particle.
Background technology
Magnetic nano-particle has in a lot of fields to be applied more and more widely, and as in magnetic recording material, magnetic nano-particle can be used for preparing high density magnetic recording material.At biological technical field, magnetic nano-particle can be used for DNA, protein and magnetic immuno cellular segregation.In addition, magnetic nano-particle can also be used for nuclear magnetic resonance, and drug release controls etc.Magnetic nano-particle Fe
3o
4conventional preparation method mainly contains two kinds: aqueous reaction coprecipitation method and high-temperature decomposition.Although conventional aqueous reaction coprecipitation method is simple to operate and cost is low, the Fe prepared
3o
4nanoparticle shape is irregular, and size distribution is wider, and due to its specific surface comparatively large, be easy to the appearance causing agglomeration.High-temperature decomposition is higher to equipment requirements, and temperature is wayward, and reaction raw materials cost is large, and strong toxicity, product production is lower.Therefore, seek cost low, easy and simple to handle, and the preparation method of excellent product performance is the study hotspot received much attention at present.
Ionic liquid (Ionic Liquids) generally refers in room temperature and close to the organic liquid material be composed entirely of ions under room temperature, also referred to as organic melting salt.It has that steam forces down, thermostability and the advantage such as chemical stability is high, liquid temperature wide ranges, solvability and catalytic activity are stronger, that traditional volatility is high, the ideal substitute of the contaminate environment thing such as strong toxicity, inflammable, explosive organic solvent or highly corrosive solvent, be suitable for the requirement of cleaning technique that current Green Chemistry advocates and Sustainable development, more and more by the extensive recognition and acceptance of people.
In recent years, ionic liquid is because of the physical and chemical performance of its excellence, and the advantage in inorganic nano-particle preparation also more and more receives the concern of people.Ionic liquid surface tension is little, and the nucleation rate of inorganic nano-particle can be made to uprise, and nano particle diameter obtained is thus less.Ionic liquid surface energy is low, material can be made to have good stability wherein, also enhance different kinds of molecules dissolving power wherein, ionic liquid can provide the polarity of hydrophobic group and high guidance quality, this polarity enables them be parallel or perpendicular to by the surface of dissolved substance, is the equal of a template of substance reaction.In addition, ionic liquid can form the hydrogen bond of " prolongation " in the liquid state, as entropy drive spontaneous formed tissue well, the nanostructure of long-range order.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the object of the present invention is to provide a kind of take ionic liquid as the method that template prepares magnetic nano-particle, can prepare particle diameter little, narrowly distributing and have the Fe of superparamagnetism
3o
4nanoparticle, has easy and simple to handle, and repeatability is strong, the feature that cost is low.
In order to achieve the above object, the technical scheme that the present invention takes is:
Take ionic liquid as the method that template prepares magnetic nano-particle, comprise following operation steps:
The first step: by FeSO
47H
2o and FeCl
36H
2o mixes, and adds deionized water, then adds ionic liquid template;
Second step: said mixture is 40-100 DEG C in temperature, stirring velocity is stir 0.5-3 hour under the condition of 1200r/min, then adding ammoniacal liquor regulates the pH value of above-mentioned reactant to 8-11, then low whipping speed is continue strong stirring 0.5-3 hour under the condition of 1200r/min, until the color of reaction mixture becomes black, stop stirring;
3rd step: be 200W ultrasonic cleaning 5 times with power, clean 1 minute each time, the material magnet after having cleaned is separated, and is vacuum-drying 7-12 hour under the condition of 50-100 DEG C, prepares magnetic nano-particle in temperature.
Described ionic liquid template is prepared according to following operation steps:
At N
2in compression ring border, the N-Methylimidazole of 75mmol is mixed with the n-propylcarbinyl chloride of 75mmol or bromine band normal butane, 7-24 hour is reacted at the temperature of 90-120 DEG C, reacted product is through acetone or methylene dichloride recrystallization, obtained imidazoles bromine ionic liquid or imidazoles chloride salt ions liquid, obtained ionic liquid and the sodium tetrafluoroborate of 73mmol, sodium hexafluoro phosphate or two (trifluoromethane sulphonyl) imine lithium carry out anionresin, the obtained ionic liquid template with respective anionic.
Described ionic liquid template is 1-butyl-3-Methylimidazole villaumite [Bmim] Cl, 1-butyl-3-Methylimidazole bromine salt [Bmim] Br, 1-butyl-3-methyl imidazolium tetrafluoroborate [Bmim] BF
4, 1-butyl-3-Methylimidazole hexafluorophosphate [Bmim] PF
6or any one in two (trifluoromethane sulphonyl) inferior amine salt [Bmim] TFSI of 1-butyl-3-Methylimidazole.
Described by FeSO
47H
2o and FeCl
36H
2o mixes, and adds deionized water, then adds in ionic liquid template, FeSO
47H
2o and FeCl
36H
2the mass ratio of O is 1:1-4; The consumption of deionized water is 30-100ml; The mass ratio of mixture and ionic liquid template is 0.5-6:100.
In the described magnetic nano-particle prepared, described magnetic nano-particle is Fe
3o
4.
Beneficial effect of the present invention is:
Preparation method of the present invention has easy and simple to handle, and repeatability is strong, the feature that cost is low.Use the Fe that method of the present invention is obtained
3o
4nano particle diameter is little, narrowly distributing and have superparamagnetism.
Accompanying drawing explanation
Fig. 1 is Fe prepared by embodiment 1
3o
4the XRD figure of nanoparticle.
Fig. 2 is Fe prepared by embodiment 1
3o
4the SEM figure of nanoparticle.
Fig. 3 is Fe prepared by embodiment 1
3o
4the hysteresis curve of nanoparticle.
Embodiment
Below in conjunction with specific embodiments and the drawings, the present invention is described in further detail.
Take ionic liquid as the method that template prepares magnetic nano-particle, comprise following operation steps:
The first step: by FeSO
47H
2o and FeCl
36H
2o mixes, and adds deionized water, then adds ionic liquid template;
Second step: said mixture is 40-100 DEG C in temperature, stirring velocity is stir 0.5-3 hour under the condition of 1200r/min, then adding ammoniacal liquor regulates the pH value of above-mentioned reactant to 8-11, then low whipping speed is continue strong stirring 0.5-3 hour under the condition of 1200r/min, until the color of reaction mixture becomes black, stop stirring;
3rd step: be 200W ultrasonic cleaning 5 times with power, clean 1 minute each time, the material magnet after having cleaned is separated, and is vacuum-drying 7-12 hour under the condition of 50-100 DEG C, prepares magnetic nano-particle in temperature.
Described ionic liquid template is prepared according to following operation steps:
At N
2in compression ring border, the N-Methylimidazole of 75mmol is mixed with the n-propylcarbinyl chloride of 75mmol or bromine band normal butane, 7-24 hour is reacted at the temperature of 90-120 DEG C, reacted product is through acetone or methylene dichloride recrystallization, obtained imidazoles bromine ionic liquid or imidazoles chloride salt ions liquid, obtained ionic liquid and the sodium tetrafluoroborate of 73mmol, sodium hexafluoro phosphate or two (trifluoromethane sulphonyl) imine lithium carry out anionresin, the obtained ionic liquid template with respective anionic.
Described ionic liquid template is 1-butyl-3-Methylimidazole villaumite [Bmim] Cl, 1-butyl-3-Methylimidazole bromine salt [Bmim] Br, 1-butyl-3-methyl imidazolium tetrafluoroborate [Bmim] BF
4, 1-butyl-3-Methylimidazole hexafluorophosphate [Bmim] PF
6or any one in two (trifluoromethane sulphonyl) inferior amine salt [Bmim] TFSI of 1-butyl-3-Methylimidazole.
Described by FeSO
47H
2o and FeCl
36H
2o mixes, and adds deionized water, then adds in ionic liquid template, FeSO
47H
2o and FeCl
36H
2the mass ratio of O is 1:1-4; The consumption of deionized water is 30-100ml; The mass ratio of mixture and ionic liquid template is 0.5-6:100.
See accompanying drawing, Fig. 1 is Fe prepared by embodiment 1
3o
4the XRD figure of nanoparticle; Fig. 2 is Fe prepared by embodiment 1
3o
4the SEM figure of nanoparticle; Fig. 3 is Fe prepared by embodiment 1
3o
4the hysteresis graph of nanoparticle.
XRD analysis is that the D/max2200pc diffractometer produced in Rigaku company (Rigaku) carries out, and is furnished with Cu target
.From XRD spectra, the Fe of preparation
3o
4nanoparticle is face-centred cubic structure, and crystal formation is better, does not find other impurity.SEM figure shows the Fe of preparation
3o
4nanoparticle dispersion is better, and median size is at about 20nm.Fig. 3 is Fe prepared by embodiment 1
3o
4the hysteresis curve of nanoparticle.As can be seen from Figure 3, without hysteresis under room temperature, without remanent magnetism, without coercive field, saturation magnetization is 60.66emu/g, and sample has good superparamagnetism.
Embodiment 1
(1) preparation of ionic liquid template
At N
2in compression ring border, the N-Methylimidazole of 75mmol and the n-propylcarbinyl chloride of 75mmol are mixed at the temperature of 90 DEG C, react 7 hours; Reacted product is through acetone recrystallization, separate out white solid, i.e. 1-butyl-3-Methylimidazole chloride salt ions liquid, the imidazoles chloride salt ions liquid obtained and the sodium tetrafluoroborate of 73mmol carry out anionresin, obtained ionic liquid template 1-butyl-3-methyl imidazolium tetrafluoroborate [Bmim] BF
4.
(2) magnetic nano-particle Fe
3o
4preparation
By FeSO
47H
2o and FeCl
36H
2o is the ratio mixing of 1:1 according to mass ratio, then adds in 70ml deionized water, and then obtained mixture adds ionic liquid template 1-butyl-3-methyl imidazolium tetrafluoroborate [Bmim] BF according to the ratio of mass ratio 3:100
4; Said mixture temperature be 70 DEG C, stirring velocity be the condition of 1200r/min under stir 0.5 hour, then regulate the pH value of above-mentioned reactant to 8 with ammoniacal liquor, then low whipping speed is continue strong stirring 0.5 hour under the condition of 1200r/min, until the color of reaction mixture becomes black, stop stirring; With the ultrasonic cleaning 5 times that power is 200W, clean 1 minute each time, the material magnet after having cleaned is separated, and is vacuum-drying 7 hours under the condition of 50 DEG C in temperature, the magnetic nano-particle Fe prepared
3o
4.
Embodiment 2
(1) preparation of ionic liquid template
At N
2in compression ring border, the N-Methylimidazole of 75mmol and the n-propylcarbinyl chloride of 75mmol are mixed at the temperature of 90 DEG C, react 7 hours; Reacted product is through acetone recrystallization, separate out white solid, i.e. 1-butyl-3-Methylimidazole chloride salt ions liquid, the imidazoles chloride salt ions liquid obtained and the sodium hexafluoro phosphate of 73mmol carry out anionresin, obtained ionic liquid template 1-butyl-3-Methylimidazole hexafluorophosphate [Bmim] PF
6.
(2) magnetic nano-particle Fe
3o
4preparation
By FeSO
47H
2o and FeCl
36H
2o is the ratio mixing of 1:1 according to mass ratio, then adds in 70ml deionized water, and then obtained mixture adds ionic liquid template 1-butyl-3-Methylimidazole hexafluorophosphate [Bmim] PF according to the ratio of mass ratio 3:100
6; Said mixture temperature be 70 DEG C, stirring velocity be the condition of 1200r/min under stir 0.5 hour, then regulate the pH value of above-mentioned reactant to 8 with ammoniacal liquor, then low whipping speed is continue strong stirring 0.5 hour under the condition of 1200r/min, until the color of reaction mixture becomes black, stop stirring; Be 200W ultrasonic cleaning 5 times with power, clean 1 minute each time, the material magnet after having cleaned is separated, and is vacuum-drying 7 hours under the condition of 50 DEG C, prepares magnetic nano-particle Fe in temperature
3o
4.
Embodiment 3
(1) preparation of ionic liquid template
At N
2in compression ring border, the N-Methylimidazole of 75mmol and the n-propylcarbinyl chloride of 75mmol are mixed at the temperature of 90 DEG C, react 7 hours; Reacted product is through acetone recrystallization, separate out white solid, i.e. 1-butyl-3-Methylimidazole chloride salt ions liquid, two (trifluoromethane sulphonyl) imine lithiums of the imidazoles chloride salt ions liquid obtained and 73mmol carry out anionresin, two (trifluoromethane sulphonyl) inferior amine salt [Bmim] TFSI of obtained ionic liquid template 1-butyl-3-Methylimidazole.
(2) magnetic nano-particle Fe
3o
4preparation
By FeSO
47H
2o and FeCl
36H
2o is the ratio mixing of 1:1 according to mass ratio, add in 70ml deionized water again, then obtained mixture adds two (trifluoromethane sulphonyl) inferior amine salt [Bmim] TFSI of ionic liquid template 1-butyl-3-Methylimidazole according to the ratio of mass ratio 3:100; Said mixture temperature be 70 DEG C, stirring velocity be the condition of 1200r/min under stir 0.5 hour, then regulate the pH value of above-mentioned reactant to 8 with ammoniacal liquor, then low whipping speed is continue strong stirring 0.5 hour under the condition of 1200r/min, until the color of reaction mixture becomes black, stop stirring; Be 200W ultrasonic cleaning 5 times with power, clean 1 minute each time, the material magnet after having cleaned is separated, and is vacuum-drying 7 hours under the condition of 50 DEG C, prepares magnetic nano-particle Fe in temperature
3o
4.
Embodiment 4
(1) preparation of ionic liquid template
At N
2in compression ring border, the N-Methylimidazole of 75mmol and the n-propylcarbinyl chloride of 75mmol are mixed at the temperature of 90 DEG C, react 7 hours; Reacted product is through acetone recrystallization, separate out white solid, i.e. 1-butyl-3-Methylimidazole chloride salt ions liquid, the imidazoles chloride salt ions liquid obtained and the sodium tetrafluoroborate of 73mmol carry out anionresin, obtained ionic liquid template 1-butyl-3-methyl imidazolium tetrafluoroborate [Bmim] BF
4.
(2) magnetic nano-particle Fe
3o
4preparation
By FeSO
47H
2o and FeCl
36H
2o is the ratio mixing of 1:2 according to mass ratio, then adds in 80ml deionized water, and then obtained mixture adds ionic liquid template 1-butyl-3-methyl imidazolium tetrafluoroborate [Bmim] BF according to the ratio of mass ratio 4:100
4; Said mixture temperature be 80 DEG C, stirring velocity be the condition of 1200r/min under stir 1 hour, then regulate the pH value of above-mentioned reactant to 9 with ammoniacal liquor, then low whipping speed is continue strong stirring 1 hour under the condition of 1200r/min, until the color of reaction mixture becomes black, stop stirring; Be 200W ultrasonic cleaning 5 times with power, clean 1 minute each time, the material magnet after having cleaned is separated, and is vacuum-drying 7 hours under the condition of 50 DEG C in temperature, the magnetic nano-particle Fe prepared
3o
4.
Embodiment 5
(1) preparation of ionic liquid template
At N
2in compression ring border, the N-Methylimidazole of 75mmol and the n-propylcarbinyl chloride of 75mmol are mixed at the temperature of 90 DEG C, react 7 hours; Reacted product is through acetone recrystallization, separate out white solid, i.e. 1-butyl-3-Methylimidazole chloride salt ions liquid, the imidazoles chloride salt ions liquid obtained and the sodium tetrafluoroborate of 73mmol carry out anionresin, obtained ionic liquid template 1-butyl-3-methyl imidazolium tetrafluoroborate [Bmim] BF
4.
(2) magnetic nano-particle Fe
3o
4preparation
By FeSO
47H
2o and FeCl
36H
2o is the ratio mixing of 1:3 according to mass ratio, then adds in 90ml deionized water, and then obtained mixture adds ionic liquid template 1-butyl-3-methyl imidazolium tetrafluoroborate [Bmim] BF according to the ratio of mass ratio 5:100
4; Said mixture temperature be 90 DEG C, stirring velocity be the condition of 1200r/min under stir 2 hours, then regulate the pH value of above-mentioned reactant to 10 with ammoniacal liquor, then low whipping speed is continue strong stirring 2 hours under the condition of 1200r/min, until the color of reaction mixture becomes black, stop stirring; Be 200W ultrasonic cleaning 5 times with power, clean 1 minute each time, the material magnet after having cleaned is separated, and is vacuum-drying 7 hours under the condition of 50 DEG C, prepares magnetic nano-particle Fe in temperature
3o
4.
Embodiment 6
(1) preparation of ionic liquid template
At N
2in compression ring border, the N-Methylimidazole of 75mmol and the n-propylcarbinyl chloride of 75mmol are mixed at the temperature of 90 DEG C, react 7 hours; Reacted product is through acetone recrystallization, separate out white solid, i.e. 1-butyl-3-Methylimidazole chloride salt ions liquid, the imidazoles chloride salt ions liquid obtained and the sodium tetrafluoroborate of 73mmol carry out anionresin, obtained ionic liquid template 1-butyl-3-methyl imidazolium tetrafluoroborate [Bmim] BF
4.
(2) magnetic nano-particle Fe
3o
4preparation
By FeSO
47H
2o and FeCl
36H
2o is the ratio mixing of 1:4 according to mass ratio, then adds in 100ml deionized water, and then obtained mixture adds ionic liquid template 1-butyl-3-methyl imidazolium tetrafluoroborate [Bmim] BF according to the ratio of mass ratio 6:100
4; Said mixture temperature be 100 DEG C, stirring velocity be the condition of 1200r/min under stir 3 hours, then regulate the pH value of above-mentioned reactant to 11 with ammoniacal liquor, then low whipping speed is continue strong stirring 3 hours under the condition of 1200r/min, until the color of reaction mixture becomes black, stop stirring; Be 200W ultrasonic cleaning 5 times with power, clean 1 minute each time, the material magnet after having cleaned is separated, and is vacuum-drying 7 hours under the condition of 50 DEG C, prepares magnetic nano-particle Fe in temperature
3o
4.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (4)
1. be the method that template prepares magnetic nano-particle with ionic liquid, it is characterized in that, comprise following operation steps:
The first step: by FeSO
47H
2o and FeCl
36H
2o mixes, and adds deionized water, then adds ionic liquid template;
Second step: mixture is 40-100 DEG C in temperature, stirring velocity is stir 0.5-3 hour under the condition of 1200r/min, then adding ammoniacal liquor regulates the pH value of mixture to 8-10, then low whipping speed is continue strong stirring 0.5-3 hour under the condition of 1200r/min, until the color of reaction mixture becomes black, stop stirring;
3rd step: be 200W ultrasonic cleaning 5 times with power, clean 1 minute each time, the material magnet after having cleaned is separated, and is vacuum-drying 7 hours under the condition of 50 DEG C, prepares magnetic nano-particle Fe in temperature
3o
4.
2. according to claim 1 a kind of be the method that template prepares magnetic nano-particle with ionic liquid, it is characterized in that, described ionic liquid template is prepared according to following operation steps:
At N
2in compression ring border, the N-Methylimidazole of 75mmol is mixed with the n-propylcarbinyl chloride of 75mmol or bromination of n-butane, 7-24 hour is reacted at the temperature of 90-120 DEG C, reacted product is through acetone or methylene dichloride recrystallization, obtained imidazoles bromine ionic liquid or imidazoles chloride salt ions liquid, obtained ionic liquid and the sodium tetrafluoroborate of 73mmol, sodium hexafluoro phosphate or two trifluoromethanesulfonimide lithium carry out anionresin, the obtained ionic liquid template with respective anionic.
3. according to claim 1 and 2 a kind of be the method that template prepares magnetic nano-particle with ionic liquid, it is characterized in that: described ionic liquid template is 1-butyl-3-Methylimidazole villaumite [Bmim] Cl, 1-butyl-3-Methylimidazole bromine salt [Bmim] Br, 1-butyl-3-Methylimidazole hexafluorophosphate [Bmim] PF
6or any one in two trifluoromethanesulfonimide salt [Bmim] TFSI of 1-butyl-3-Methylimidazole.
4. according to claim 1 a kind of be the method that template prepares magnetic nano-particle with ionic liquid, it is characterized in that: described by FeSO
47H
2o and FeCl
36H
2o mixes, and adds deionized water, then adds ionic liquid template, FeSO
47H
2o and FeCl
36H
2the mass ratio of O is 1:1-4; The consumption of deionized water is 30-100ml; The mass ratio of mixture and ionic liquid template is 0.5-6:100.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310339989.4A CN103449534B (en) | 2013-08-06 | 2013-08-06 | A kind of take ionic liquid as the method that template prepares magnetic nano-particle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310339989.4A CN103449534B (en) | 2013-08-06 | 2013-08-06 | A kind of take ionic liquid as the method that template prepares magnetic nano-particle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103449534A CN103449534A (en) | 2013-12-18 |
| CN103449534B true CN103449534B (en) | 2015-09-23 |
Family
ID=49732437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310339989.4A Active CN103449534B (en) | 2013-08-06 | 2013-08-06 | A kind of take ionic liquid as the method that template prepares magnetic nano-particle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103449534B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104030363B (en) * | 2014-02-17 | 2016-05-25 | 瑞安市浙工大技术转移中心 | A kind of preparation method of ferriferrous oxide nano-particle |
| RU2572418C1 (en) * | 2014-10-16 | 2016-01-10 | Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Северный (Арктический) федеральный университет имени М.В. Ломоносова" (САФУ) | Method of producing magnetoactive compound |
| CN104386760B (en) * | 2014-10-31 | 2015-12-30 | 山东师范大学 | A kind of rapid, high volume prepares the method for magnetic carrier material |
| CN105366733A (en) * | 2015-12-01 | 2016-03-02 | 江南大学 | Preparation method for rodlike Fe3O4 in ionic liquid |
| CN105753067B (en) * | 2016-01-26 | 2017-05-24 | 三明学院 | Grain size adjusting method of superparamagnetic iron oxide microspheres |
| CN106800315B (en) * | 2017-01-17 | 2018-02-02 | 上海交通大学 | A kind of method that ionic liquid assisted microwave synthesis radiation method synthesizes extra small magnetic Nano cluster |
| CN108910961A (en) * | 2018-09-03 | 2018-11-30 | 谢燕青 | A kind of preparation method of ferroso-ferric oxide |
| CN112742349A (en) * | 2019-10-30 | 2021-05-04 | 中石化南京化工研究院有限公司 | For CO2Trapped magnetic ionic liquid nano composite adsorption material |
| CN111437792B (en) * | 2020-04-13 | 2023-03-03 | 山东建筑大学 | Synthetic method of magnetic mesoporous silica for removing copper ions in water |
| CN115475656A (en) * | 2022-09-05 | 2022-12-16 | 河南科技大学 | Preparation method of magnetic solid acid and application of magnetic solid acid in biomass hydrolysis |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1421392A (en) * | 2002-12-24 | 2003-06-04 | 华中科技大学 | Prepn process of nanometer granular Fe3O4 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ301067B6 (en) * | 2006-02-24 | 2009-10-29 | Ústav makromolekulární chemie AV CR | Iron oxide-based superparamagnetic nanoparticles with modified surface, process of their preparation and use |
-
2013
- 2013-08-06 CN CN201310339989.4A patent/CN103449534B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1421392A (en) * | 2002-12-24 | 2003-06-04 | 华中科技大学 | Prepn process of nanometer granular Fe3O4 |
Non-Patent Citations (2)
| Title |
|---|
| Unique role of ionic liquid in microwave-assisted synthesis of monodisperse magnetite nanoparticles;Hengyao Hu et al;《Chemical Communication》;20100507;第46卷;第3867页左栏第2-3段 * |
| 纳米Fe3O4磁性粒子的制备及吸附性能研究;刘徽等;《环境工程学报》;20100430;第4卷(第4期);第782页左栏1.2节 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103449534A (en) | 2013-12-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103449534B (en) | A kind of take ionic liquid as the method that template prepares magnetic nano-particle | |
| Wu et al. | Hydrothermal Synthesis of Unique Hollow Hexagonal Prismatic Pencils of Co3V2O8⋅ n H2O: A New Anode Material for Lithium‐Ion Batteries | |
| Shen et al. | Design and synthesis of magnetic porous carbon nanofibers with excellent microwave absorption | |
| CN103342982B (en) | Hollow spherical ferroferric oxide/graphene composite wave-absorbing material and preparation method thereof | |
| CN104229901B (en) | A kind of preparation method of magnetic ferroferric oxide nano-particles | |
| Song et al. | Magnetic hard/soft nanocomposite ferrite aligned hollow microfibers and remanence enhancement | |
| CN100531973C (en) | Method for preparing cubic copper particles | |
| CN103754954B (en) | Preparation method of iron molybdenum oxide (II) nanocube | |
| CN109516510A (en) | A kind of nickel cobalt manganese hydroxide of special micro-nano structure and preparation method thereof | |
| CN104795558A (en) | Continuous synthesis method of nickel-cobalt-manganese ternary hydroxide for lithium battery | |
| CN103469290B (en) | A kind of synthesis superparamagnetism Fe 3o 4nanocrystalline method | |
| An et al. | Facile template-free synthesis and characterization of elliptic α-Fe2O3 superstructures | |
| CN104671289B (en) | A kind of Fe2O3Nanometer sheet and preparation method thereof | |
| CN104477968B (en) | A kind of method utilizing plant phenolic acid to prepare nano cuprous oxide wire | |
| CN103172126B (en) | A kind of continuity method prepares the method for spherical nickel-cobalt aluminium solid solution ternary material | |
| CN104353416A (en) | Magnetic ordered mesopore composite material, as well as preparation and application thereof | |
| CN105883934A (en) | Method for preparing water-soluble superparamagnetic Fe3O4 hollow spheres | |
| CN104600286A (en) | Preparation method of positive active material hollow spherical lithium manganate of lithium ion battery | |
| CN107376824A (en) | The preparation and its application of the composite magnetic of CuO@NiO core shell structures | |
| CN100355699C (en) | Process for making graphite powder with electromagnetic property | |
| Shi et al. | Fe3O4 nanobelts: one-pot and template-free synthesis, magnetic property, and application for lithium storage | |
| CN102962470B (en) | Method for preparing spherical ultrafine nickel powder at room temperature | |
| CN102515147A (en) | Method for preparing tri-metal tetra-oxide/graphene nanocomposite material | |
| CN107500363B (en) | A kind of preparation method of prism hexa-prism nano iron oxide | |
| CN103896342B (en) | A kind of preparation method of bar-shaped spinel type ferrite |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210922 Address after: 223001 room 503, building a12-2, No. 3, Dongqi street, Hongze District, Huai'an City, Jiangsu Province Patentee after: HUAI'AN JUYOU NEW ENERGY TECHNOLOGY Co.,Ltd. Address before: 710021 Shaanxi province Xi'an Weiyang university campus of Shaanxi University of Science and Technology Patentee before: SHAANXI University OF SCIENCE & TECHNOLOGY |