CN106219610B - A kind of preparation method of Conjugate ferrite nano magnetic material - Google Patents
A kind of preparation method of Conjugate ferrite nano magnetic material Download PDFInfo
- Publication number
- CN106219610B CN106219610B CN201610508825.3A CN201610508825A CN106219610B CN 106219610 B CN106219610 B CN 106219610B CN 201610508825 A CN201610508825 A CN 201610508825A CN 106219610 B CN106219610 B CN 106219610B
- Authority
- CN
- China
- Prior art keywords
- magnetic material
- conjugate ferrite
- added
- nano magnetic
- ferrite
- 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.)
- Expired - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/0018—Mixed oxides or hydroxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/40—Electric properties
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/42—Magnetic properties
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Iron (AREA)
- Soft Magnetic Materials (AREA)
Abstract
The present invention relates to a kind of preparation method of Conjugate ferrite nano magnetic material, belong to nano magnetic material technical field.The invention provides a kind of preparation method of Conjugate ferrite nano magnetic material.The present invention passes through liquid fermentation and culture lactobacillus acidophilus, it is centrifugally separating to obtain ferment product, bacterial polysaccharides is made in concentrated alcohol precipitation, added in cobalt nitrate and ferric nitrate collosol and gel formation Conjugate ferrite, layer protecting film is formed on Conjugate ferrite surface, make it no longer reunite to increase and accelerate flocculation and obtain gel, removal bacterial polysaccharides is decomposed after high-temperature calcination exposes the Conjugate ferrite of cladding, it can obtain Conjugate ferrite nano magnetic material, solve and use sol-gal process at present, the nanometer ferrite of the preparations such as coprecipitation, easily produce reunion, so that the problem of magnetic nanoparticle bad dispersibility, it can be widely popularized and use.
Description
Technical field
The present invention relates to a kind of preparation method of Conjugate ferrite nano magnetic material, belong to nano magnetic material technology neck
Domain.
Background technology
Ferrite is a kind of new nonmetal magnetic material developed rapidly from 1940s.With metallic magnetic
Property material is compared, ferrite has the advantages that resistivity is big, dielectric properties are high, in high frequency with higher magnetic conductivity.Iron oxygen
Body magnetic material can use chemical molecular formula MFe2O4Represent.Ferrite magnetic material is the mixing by sintering these metallic compounds
Thing and manufacture.The main feature resistivity of ferrite magnetic material is much larger than metallicl magnetic material, it is suppressed that vortex
Produce, ferrimagnetism is can apply to high frequency field.Conjugate ferrite magnetic micro-powder has unique Wuli-Shili-Renli system approach, urges
Change characteristic and magnetic characteristic.Such as stupid power and resistivity can reach tens times higher than magnetic alloy of level, and high frequency magnetic conductivity is higher, single
The magnetocrystalline anisotropy constant of first ferrite at room temperature is up to about 2.7 × 105J·m-3, there is larger magneto-optic in visible region
Deflection angle, stable chemical performance and anti-corrosion, wear-resisting, thus can be by its diameter of particle and dc magnetization parameter regulation to suitably
Scope is used as magnetic recording media, to ensure to improve constantly packing density under the conditions of enough signal to noise ratio.With the hair of science and technology
Open up, ferrite not only applies increasingly extensive in electronics industries such as communication broadcast, dynamic control, computing technique and instrument and meters,
Indispensable part is had become, and in terms of space travel, satellite communication, presentation of information and pollution processing.
Because ferrite performance is good, cost is low, technique is simple and can save a large amount of noble metals, it has also become high frequency light current has very much in field
A kind of nonmetal magnetic material of development prospect.It can its working frequency be high as a kind of magnetic material, and magnetic spectrum characteristic is good, at present
It is widely used to the side such as mutual inductance device, magnetic core bearing, change-over switch, information storage, magnetic fluid, microwave absorption and medical diagnosis
Face.In recent years, the preparation of magnetic Nano material is increasingly paid close attention to by people, develops different types of Nanometer Cobalt Ferrite Oxide material
Material turns into the focus that current magnetic material is studied.At present, traditional nano material uses sol-gel process, hydro-thermal method, co-precipitation
, because ferromagnetic material is easily reunited, there is obtained magnetic nanoparticle and disperse in the nano soft magnetism Zn ferrite of the preparations such as method
Property difference defect.
The content of the invention
The technical problems to be solved by the invention：For at present using the nanometer of the preparations such as sol-gel process, coprecipitation
Ferrite, because ferromagnetic material is easily reunited, the defect of generally obtained magnetic nanoparticle bad dispersibility, the invention provides one
Plant the preparation method of Conjugate ferrite nano magnetic material.The present invention is centrifuged by liquid fermentation and culture lactobacillus acidophilus
To ferment product, bacterial polysaccharides is made in concentrated alcohol precipitation, adds in cobalt nitrate and ferric nitrate collosol and gel formation Conjugate ferrite
Enter, layer protecting film is formed on Conjugate ferrite surface, it is no longer reunited and increase and accelerate flocculation and obtain gel, after high-temperature calcination
Decomposing removal bacterial polysaccharides exposes the Conjugate ferrite of cladding, you can obtains Conjugate ferrite nano magnetic material, solves at present
Using the nanometer ferrite of the preparations such as sol-gel process, coprecipitation, reunion is easily produced so that magnetic nanoparticle disperses
Property difference the problem of, can be widely popularized and use.
In order to solve the above technical problems, the technical solution adopted by the present invention：
（1）Weigh 8~10g beef extracts, 8~10g peptones, 3~5g yeast extracts, 1~2g dipotassium hydrogen phosphates, 3~5g vinegar
Sour sodium, 1~2g Triammonium citrates, 18~20g glucose and 15~20g agar are added in 1000~1200mL distilled water, are stirred
Mix it is uniform after with concentration be 1mol/L salt acid for adjusting pH to 6.0~6.5, with autoclave sterilizer, gone out at 120~130 DEG C
20~30min of bacterium obtains fermentation medium；
（2）The lactobacillus acidophilus after activation is accessed in above-mentioned fermentation medium for 10% by inoculum concentration, at 35~40 DEG C
With 200~300r/min rotating speed shake flask fermentation 28~32h of culture, culture terminate after at 4~6 DEG C with horizontal centrifuge with
10000~12000r/min rotating speed 15~20min of refrigerated centrifuge, are separated except filter residue obtains high fermentation liquid；
（3）Above-mentioned zymotic fluid is concentrated into its original volume with vacuum concentration pot 1/3 obtains Fermented Condensed liquid, into concentrate
The absolute ethyl alcohol of 5~7 times of its volume is added, is staticly settled in 4~6 DEG C of ice-water baths overnight, suction filtration obtains filter residue, uses absolute ethyl alcohol
Dried after cyclic washing 3~5 times, obtain lactobacillus acidophilus fermentation polysaccharides；
（4）Weigh 7.0~7.5g cobalt nitrates and 20.0~20.5g ferric nitrates are dissolved in 50~100g deionized waters, 50
1~2h is stirred under~60 DEG C of water-baths, 100~120mL concentration is added for 0.5mol/L citric acid solutions, is placed on magnetic agitation
It is stirred on machine with 200~300r/min rotating speeds, the above-mentioned lactobacillus acidophilus fermentations of 3~5g is added during stirring many
Sugar, continues 10~15min of stirring and obtains mixed liquor；
（5）Mass concentration is added dropwise dropwise into above-mentioned mixed liquor for 25% ammoniacal liquor until pH of mixed is to reaching 7.0~7.5,
Bath temperature is raised to 70~80 DEG C and mixed liquor is continued stirring until in collosol state, by obtained colloidal sol blast drier with
230~250 DEG C of temperature obtain gel after drying 2~3h；
（6）Gel obtained above is put into tube type resistance furnace, 750~850 are warming up to 10 DEG C/min rate programs
DEG C insulation calcining 3~4h after discharge, with 1~2h of corundum mortar grinder and cross 200 mesh standard sieves, produce Conjugate ferrite nano-magnetic
Material.
The concrete application method of the present invention：Conjugate ferrite nano magnetic material saturation magnetic strength produced by the present invention>1.7, occupy
In temperature be 500~520 DEG C, resistivity be 1.17~1.41 μ Ω m, saturation field intensity be 33000~33500A/m, magnetic conductance
Rate is 120~130mH/m, is lost as 10.8~12.3W, sensitivity is 0.5%/（A·m-1）.
The present invention is compared with other method, and advantageous effects are：
（1）Conjugate ferrite nano magnetic material prepared by the present invention is solved at present using sol-gel process, coprecipitation
Deng the nanometer ferrite of preparation, reunion is easily produced so that the problem of magnetic nanoparticle bad dispersibility, with good stabilization
Property and dispersiveness；
（2）Conjugate ferrite nano magnetic material prepared by the present invention has particle diameter distribution uniform, and product purity is high, saturation magnetic
Change the characteristics of intensity is high, can be widely applied to a nanometer magnet technical field.
Embodiment
8~10g beef extracts, 8~10g peptones, 3~5g yeast extracts, 1~2g dipotassium hydrogen phosphates, 3~5g vinegar are weighed first
Sour sodium, 1~2g Triammonium citrates, 18~20g glucose and 15~20g agar are added in 1000~1200mL distilled water, are stirred
Mix it is uniform after with concentration be 1mol/L salt acid for adjusting pH to 6.0~6.5, with autoclave sterilizer, gone out at 120~130 DEG C
20~30min of bacterium obtains fermentation medium；Secondly the lactobacillus acidophilus after activation is accessed into above-mentioned fermented and cultured for 10% by inoculum concentration
In base, with 200~300r/min rotating speed shake flask fermentation 28~32h of culture at 35~40 DEG C, cultivate after terminating at 4~6 DEG C
With horizontal centrifuge with 10000~12000r/min rotating speed 15~20min of refrigerated centrifuge, separate except filter residue obtains high fermentation
Liquid；
Above-mentioned zymotic fluid is concentrated into its original volume with vacuum concentration pot again 1/3 obtains Fermented Condensed liquid, to concentrate
The middle absolute ethyl alcohol for adding 5~7 times of its volume, staticly settles overnight, suction filtration obtains filter residue in 4~6 DEG C of ice-water baths, uses anhydrous second
Dried after alcohol cyclic washing 3~5 times, obtain lactobacillus acidophilus fermentation polysaccharides；Then weigh 7.0~7.5g cobalt nitrates and 20.0~
20.5g ferric nitrates are dissolved in 50~100g deionized waters, and 1~2h is stirred under 50~60 DEG C of water-baths, 100~120mL is added
Concentration is 0.5mol/L citric acid solutions, is placed on magnetic stirrer and is stirred with 200~300r/min rotating speeds, in stirring
During add the above-mentioned lactobacillus acidophilus fermentation polysaccharides of 3~5g, continue to stir 10~15min obtaining mixed liquor；Again up
State and mass concentration is added dropwise in mixed liquor dropwise for 25% ammoniacal liquor until pH of mixed is to reaching 7.0~7.5, rise bath temperature is extremely
And mixed liquor is continued stirring until in collosol state, by obtained colloidal sol blast drier with 230~250 DEG C of temperature by 70~80 DEG C
Gel is obtained after drying 2~3h；Finally gel obtained above is put into tube type resistance furnace, with 10 DEG C/min rate program liters
Temperature to 750~850 DEG C insulation calcining 3~4h after discharge, with 1~2h of corundum mortar grinder and cross 200 mesh standard sieves, produce ferro-cobalt
Oxysome nano magnetic material.
Example 1
8g beef extracts, 8g peptones, 3g yeast extracts, 1g dipotassium hydrogen phosphates, 3g sodium acetates, 1g citric acids three are weighed first
Ammonium, 18g glucose and 15g agar are added in 1000mL distilled water, with concentration are 1mol/L salt acid for adjusting pH after stirring
To 6.0, with autoclave sterilizer, the 20min that sterilized at 120 DEG C obtains fermentation medium；Secondly will activation for 10% by inoculum concentration
Lactobacillus acidophilus afterwards is accessed in above-mentioned fermentation medium, with 200r/min rotating speed shake flask fermentation culture 28h at 35 DEG C, culture
Horizontal centrifuge is used with 10000r/min rotating speed refrigerated centrifuge 15min at 4 DEG C after end, is separated except filter residue obtains upper strata hair
Zymotic fluid；Above-mentioned zymotic fluid is concentrated into its original volume with vacuum concentration pot again 1/3 obtains Fermented Condensed liquid, adds into concentrate
Enter the absolute ethyl alcohol of 5 times of its volume, staticly settled in 4 DEG C of ice-water baths overnight, suction filtration obtains filter residue, use absolute ethyl alcohol cyclic washing
Dried after 3 times, obtain lactobacillus acidophilus fermentation polysaccharides；Then 7.0g cobalt nitrates are weighed and 20.0g ferric nitrates are dissolved in 50g deionizations
In water, 1h is stirred under 50 DEG C of water-baths, 100mL concentration is added for 0.5mol/L citric acid solutions, is placed on magnetic stirrer
On be stirred with 200r/min rotating speeds, the above-mentioned lactobacillus acidophilus fermentation polysaccharides of 3g are added during stirring, continue to stir
Mix 10min and obtain mixed liquor；State again up and mass concentration is added dropwise in mixed liquor dropwise for 25% ammoniacal liquor until pH of mixed is to reaching
7.0, rise bath temperature is to 70 DEG C and continues stirring until mixed liquor in collosol state, by obtained colloidal sol blast drier with
230 DEG C of temperature obtain gel after drying 3h；Finally gel obtained above is put into tube type resistance furnace, with 10 DEG C/min speed
Temperature programming, with corundum mortar grinder 1h and 200 mesh standard sieves excessively, produces Conjugate ferrite to discharging after 750 DEG C of insulation calcining 3h
Nano magnetic material.
Conjugate ferrite nano magnetic material saturation magnetic strength 1.8 produced by the present invention, Curie temperature is 500 DEG C, and resistivity is
1.17 μ Ω m, saturation field intensity is 33000A/m, and magnetic conductivity is 120mH/m, is lost as 10.8W, sensitivity is 0.5%/（A·
m-1）.
Example 2
9g beef extracts, 9g peptones, 4g yeast extracts, 1g dipotassium hydrogen phosphates, 4g sodium acetates, 1g citric acids three are weighed first
Ammonium, 19g glucose and 17g agar are added in 1100mL distilled water, with concentration are 1mol/L salt acid for adjusting pH after stirring
To 6.3, with autoclave sterilizer, the 25min that sterilized at 125 DEG C obtains fermentation medium；Secondly will activation for 10% by inoculum concentration
Lactobacillus acidophilus afterwards is accessed in above-mentioned fermentation medium, with 250r/min rotating speed shake flask fermentation culture 30h at 37 DEG C, culture
At 5 DEG C with horizontal centrifuge with 11000r/min rotating speed refrigerated centrifuge 17min after end, separate except filter residue obtains upper strata hair
Zymotic fluid；Above-mentioned zymotic fluid is concentrated into its original volume with vacuum concentration pot again 1/3 obtains Fermented Condensed liquid, adds into concentrate
Enter the absolute ethyl alcohol of 6 times of its volume, staticly settled in 5 DEG C of ice-water baths overnight, suction filtration obtains filter residue, use absolute ethyl alcohol cyclic washing
Dried after 4 times, obtain lactobacillus acidophilus fermentation polysaccharides；Then 7.3 cobalt nitrates are weighed and 20.3g ferric nitrates are dissolved in 70g deionizations
In water, 2h is stirred under 55 DEG C of water-baths, 110mL concentration is added for 0.5mol/L citric acid solutions, is placed on magnetic stirrer
On be stirred with 250r/min rotating speeds, the above-mentioned lactobacillus acidophilus fermentation polysaccharides of 4g are added during stirring, continue to stir
Mix 13min and obtain mixed liquor；State again up and mass concentration is added dropwise in mixed liquor dropwise for 25% ammoniacal liquor until pH of mixed is to reaching
7.3, rise bath temperature is to 75 DEG C and continues stirring until mixed liquor in collosol state, by obtained colloidal sol blast drier with
240 DEG C of temperature obtain gel after drying 2h；Finally gel obtained above is put into tube type resistance furnace, with 10 DEG C/min speed
Temperature programming, with corundum mortar grinder 1h and 200 mesh standard sieves excessively, produces Conjugate ferrite to discharging after 800 DEG C of insulation calcining 3h
Nano magnetic material.
Conjugate ferrite nano magnetic material saturation magnetic strength 1.9 produced by the present invention, Curie temperature is 510 DEG C, and resistivity is
1.35 μ Ω m, saturation field intensity is 33400A/m, and magnetic conductivity is 110mH/m, is lost as 11.2W, sensitivity is 0.5%/（A·
m-1）.
Example 3
10g beef extracts, 10g peptones, 5g yeast extracts, 2g dipotassium hydrogen phosphates, 5g sodium acetates, 2g citric acids three are weighed first
Ammonium, 20g glucose and 20g agar are added in 1200mL distilled water, with concentration are 1mol/L salt acid for adjusting pH after stirring
To 6.5, with autoclave sterilizer, the 30min that sterilized at 130 DEG C obtains fermentation medium；Secondly will activation for 10% by inoculum concentration
Lactobacillus acidophilus afterwards is accessed in above-mentioned fermentation medium, with 300r/min rotating speed shake flask fermentation culture 32h at 40 DEG C, culture
Horizontal centrifuge is used with 12000r/min rotating speed refrigerated centrifuge 20min at 6 DEG C after end, is separated except filter residue obtains upper strata hair
Zymotic fluid；Above-mentioned zymotic fluid is concentrated into its original volume with vacuum concentration pot again 1/3 obtains Fermented Condensed liquid, adds into concentrate
Enter the absolute ethyl alcohol of 7 times of its volume, staticly settled in 6 DEG C of ice-water baths overnight, suction filtration obtains filter residue, use absolute ethyl alcohol cyclic washing
Dried after 5 times, obtain lactobacillus acidophilus fermentation polysaccharides；Then weigh 7.5g cobalt nitrates and 20.5g ferric nitrates be dissolved in 100g go from
In sub- water, 2h is stirred under 60 DEG C of water-baths, 120mL concentration is added for 0.5mol/L citric acid solutions, is placed on magnetic agitation
It is stirred on machine with 300r/min rotating speeds, the above-mentioned lactobacillus acidophilus fermentation polysaccharides of 5g is added during stirring, is continued
Stirring 15min obtains mixed liquor；State again up and mass concentration is added dropwise in mixed liquor dropwise for 25% ammoniacal liquor until pH of mixed is to reaching
To 7.5, rise bath temperature is to 80 DEG C and continues stirring until mixed liquor in collosol state, by obtained colloidal sol blast drier
Gel is obtained after drying 2.5h with 250 DEG C of temperature；Finally gel obtained above is put into tube type resistance furnace, with 10 DEG C/min
Rate program discharges after being warming up to 850 DEG C of insulation calcining 4h, with corundum mortar grinder 2h and 200 mesh standard sieves excessively, produces ferro-cobalt
Oxysome nano magnetic material.
Conjugate ferrite nano magnetic material saturation magnetic strength 2.0 produced by the present invention, Curie temperature is 520 DEG C, and resistivity is
1.41 μ Ω m, saturation field intensity is 33500A/m, and magnetic conductivity is 130mH/m, is lost as 12.3W, sensitivity is 0.5%/（A·
m-1）.
Claims (1)
1. a kind of preparation method of Conjugate ferrite nano magnetic material, it is characterised in that specifically preparation process is：
（1）Weigh 8~10g beef extracts, 8~10g peptones, 3~5g yeast extracts, 1~2g dipotassium hydrogen phosphates, 3~5g sodium acetates,
1~2g Triammonium citrates, 18~20g glucose and 15~20g agar are added in 1000~1200mL distilled water, are stirred
It is afterwards 1mol/L salt acid for adjusting pH with concentration to 6.0~6.5, with autoclave sterilizer, sterilize 20 at 120~130 DEG C~
30min obtains fermentation medium；
（2）Be 10% to access the lactobacillus acidophilus after activation in above-mentioned fermentation medium by inoculum concentration, at 35~40 DEG C with
200~300r/min rotating speed shake flask fermentation 28~32h of culture, culture uses horizontal centrifuge with 10000 at 4~6 DEG C after terminating
~12000r/min rotating speed 15~20min of refrigerated centrifuge, are separated except filter residue obtains high fermentation liquid；
（3）Above-mentioned zymotic fluid is concentrated into its original volume with vacuum concentration pot 1/3 obtains Fermented Condensed liquid, is added into concentrate
The absolute ethyl alcohol of 5~7 times of its volume, is staticly settled overnight, suction filtration obtains filter residue in 4~6 DEG C of ice-water baths, with absolute ethyl alcohol repeatedly
Dried after washing 3~5 times, obtain lactobacillus acidophilus fermentation polysaccharides；
（4）Weigh 7.0~7.5g cobalt nitrates and 20.0~20.5g ferric nitrates are dissolved in 50~100g deionized waters, 50~60
1~2h is stirred under DEG C water-bath, 100~120mL concentration is added for 0.5mol/L citric acid solutions, is placed on magnetic stirrer
It is stirred with 200~300r/min rotating speeds, the above-mentioned lactobacillus acidophilus fermentation polysaccharides of 3~5g is added during stirring,
Continue 10~15min of stirring and obtain mixed liquor；
（5）Mass concentration is added dropwise dropwise into above-mentioned mixed liquor for 25% ammoniacal liquor until pH of mixed is raised to reaching 7.0~7.5
Bath temperature is to 70~80 DEG C and continues stirring until mixed liquor in collosol state, by obtained colloidal sol blast drier with 230
~250 DEG C of temperature obtain gel after drying 2~3h；
（6）Gel obtained above is put into tube type resistance furnace, 750~850 DEG C of guarantors are warming up to 10 DEG C/min rate programs
Discharged after 3~4h of temperature calcining, with 1~2h of corundum mortar grinder and 200 mesh standard sieves excessively, produce Conjugate ferrite nano-magnetic material
Material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610508825.3A CN106219610B (en) | 2016-07-02 | 2016-07-02 | A kind of preparation method of Conjugate ferrite nano magnetic material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610508825.3A CN106219610B (en) | 2016-07-02 | 2016-07-02 | A kind of preparation method of Conjugate ferrite nano magnetic material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106219610A CN106219610A (en) | 2016-12-14 |
| CN106219610B true CN106219610B (en) | 2017-09-01 |
Family
ID=57519475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610508825.3A Expired - Fee Related CN106219610B (en) | 2016-07-02 | 2016-07-02 | A kind of preparation method of Conjugate ferrite nano magnetic material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106219610B (en) |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1413945A (en) * | 2002-09-29 | 2003-04-30 | 西南师范大学 | Preparation method of water-base acid Co ferrite CoFe2O4 magnetic solution |
| CN1636929A (en) * | 2004-12-03 | 2005-07-13 | 中国科学院长春应用化学研究所 | Low temperature combustion process of preparing nanometer type-W ferrite powder |
| CN1767087A (en) * | 2004-10-29 | 2006-05-03 | Tdk株式会社 | Ferrite magnetic material and process for producing the same |
| CN1781864A (en) * | 2004-11-30 | 2006-06-07 | 中国科学院理化技术研究所 | Magnetic glass fiber and its preparing method |
| CN1858003A (en) * | 2006-04-13 | 2006-11-08 | 上海交通大学 | Microwave synthetic method for water soluble magnetic cobalt-ferrite CoFe2O4 nano crystal |
| CN101071670A (en) * | 2007-03-29 | 2007-11-14 | 上海大学 | Method for preparing magnetic nano particles of anisotropy cobalt ferrite |
| CN101100373A (en) * | 2007-06-28 | 2008-01-09 | 北京化工大学 | Method for preparing spinel type ferrite under mild condition |
| CN101168452A (en) * | 2007-09-30 | 2008-04-30 | 陕西科技大学 | Method for preparing cobalt ferrite super fine powder at low temperature |
| CN101219891A (en) * | 2008-01-25 | 2008-07-16 | 中国检验检疫科学研究院 | Solvent-thermal of self-assembling submicron sphere of magnetic vectolite and production method thereof |
| CN101376589A (en) * | 2007-08-31 | 2009-03-04 | 日立金属株式会社 | Ferrite material and method for producing ferrite material |
| CN101486492A (en) * | 2008-01-18 | 2009-07-22 | 北京化工大学 | Magnetic spinel structure ferrite nano particle and preparation thereof |
| CN101786668A (en) * | 2010-01-13 | 2010-07-28 | 桂林理工大学 | Low-temperature preparation method of Co ferrite Nano powder |
| CN103183505A (en) * | 2013-03-25 | 2013-07-03 | 江苏科技大学 | Textured cobalt ferrite film material and preparation method thereof |
| CN103613374A (en) * | 2013-11-26 | 2014-03-05 | 彭晓领 | Cobalt ferrite @ carbon nano tube composite material and preparation method thereof |
| CN104211387A (en) * | 2014-09-03 | 2014-12-17 | 安徽工业大学 | Method for improving coercive force of spinelle iron-cobalt ferrite CoFe2O4 |
| CN104446419A (en) * | 2014-12-11 | 2015-03-25 | 北京科技大学 | Method for preparing magnetostrictive material (cobalt ferrite) with high degree of orientation |
| CN105062478A (en) * | 2015-08-10 | 2015-11-18 | 中国科学院新疆理化技术研究所 | Biological method for preparing ferrite-bismuth ferrite composite fluorescent material |
-
2016
- 2016-07-02 CN CN201610508825.3A patent/CN106219610B/en not_active Expired - Fee Related
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1413945A (en) * | 2002-09-29 | 2003-04-30 | 西南师范大学 | Preparation method of water-base acid Co ferrite CoFe2O4 magnetic solution |
| CN1767087A (en) * | 2004-10-29 | 2006-05-03 | Tdk株式会社 | Ferrite magnetic material and process for producing the same |
| CN1781864A (en) * | 2004-11-30 | 2006-06-07 | 中国科学院理化技术研究所 | Magnetic glass fiber and its preparing method |
| CN1636929A (en) * | 2004-12-03 | 2005-07-13 | 中国科学院长春应用化学研究所 | Low temperature combustion process of preparing nanometer type-W ferrite powder |
| CN1858003A (en) * | 2006-04-13 | 2006-11-08 | 上海交通大学 | Microwave synthetic method for water soluble magnetic cobalt-ferrite CoFe2O4 nano crystal |
| CN101071670A (en) * | 2007-03-29 | 2007-11-14 | 上海大学 | Method for preparing magnetic nano particles of anisotropy cobalt ferrite |
| CN101100373A (en) * | 2007-06-28 | 2008-01-09 | 北京化工大学 | Method for preparing spinel type ferrite under mild condition |
| CN101376589A (en) * | 2007-08-31 | 2009-03-04 | 日立金属株式会社 | Ferrite material and method for producing ferrite material |
| CN101168452A (en) * | 2007-09-30 | 2008-04-30 | 陕西科技大学 | Method for preparing cobalt ferrite super fine powder at low temperature |
| CN101486492A (en) * | 2008-01-18 | 2009-07-22 | 北京化工大学 | Magnetic spinel structure ferrite nano particle and preparation thereof |
| CN101219891A (en) * | 2008-01-25 | 2008-07-16 | 中国检验检疫科学研究院 | Solvent-thermal of self-assembling submicron sphere of magnetic vectolite and production method thereof |
| CN101786668A (en) * | 2010-01-13 | 2010-07-28 | 桂林理工大学 | Low-temperature preparation method of Co ferrite Nano powder |
| CN103183505A (en) * | 2013-03-25 | 2013-07-03 | 江苏科技大学 | Textured cobalt ferrite film material and preparation method thereof |
| CN103613374A (en) * | 2013-11-26 | 2014-03-05 | 彭晓领 | Cobalt ferrite @ carbon nano tube composite material and preparation method thereof |
| CN104211387A (en) * | 2014-09-03 | 2014-12-17 | 安徽工业大学 | Method for improving coercive force of spinelle iron-cobalt ferrite CoFe2O4 |
| CN104446419A (en) * | 2014-12-11 | 2015-03-25 | 北京科技大学 | Method for preparing magnetostrictive material (cobalt ferrite) with high degree of orientation |
| CN105062478A (en) * | 2015-08-10 | 2015-11-18 | 中国科学院新疆理化技术研究所 | Biological method for preparing ferrite-bismuth ferrite composite fluorescent material |
Non-Patent Citations (1)
| Title |
|---|
| "糖类Sol-gel法制备钡铁氧体及磁性研究";尚海涛;《中国优秀硕士学位论文全文数据库 基础科学辑》;20071015;第40-47页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106219610A (en) | 2016-12-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Mao et al. | Synthesis of magnetite octahedrons from iron powders through a mild hydrothermal method | |
| Li et al. | Hydrothermal synthesis of ultrafine α-Fe2O3 and Fe3O4 powders | |
| CN107601461A (en) | A kind of magnetic composite of Fe 3 O 4 coating carbon nanotube and preparation method thereof | |
| Farbod et al. | An investigation of structural phase transformation of monosize γ-Fe2O3 nanoparticles fabricated by arc discharge method | |
| CN109166687A (en) | A kind of liquid metal magnetohydrodynamic functional material and preparation method | |
| CN108274016A (en) | A kind of method that spray-wall interaction reduction method directly prepares samarium ferroalloy powder | |
| CN105741996B (en) | A kind of preparation method of the superparamagnetic nano particle based on low temperature plasma | |
| CN103469290B (en) | A kind of synthesis superparamagnetism Fe 3o 4nanocrystalline method | |
| CN108249482A (en) | Magnetic Fe2O3The preparation method of nano particle and its method compound with nano-carbon material | |
| CN101728046A (en) | Method for preparing mono-disperse magnetic controllable Fe3O4-SiO2 nuclear shell ball cluster | |
| CN106315684B (en) | The preparation method of the controllable spherical MnZn ferrite magnetic nano particle of size | |
| CN102807254B (en) | Amino functionalized superparamagnetism carbon nanosphere and preparation method thereof | |
| Wang et al. | The preparation of magnetite Fe3O4 and its morphology control by a novel arc-electrodeposition method | |
| CN106219610B (en) | A kind of preparation method of Conjugate ferrite nano magnetic material | |
| CN101786601B (en) | Preparation method of compound nano particle with Fe3O4/CoO core shell structure | |
| CN102887547B (en) | Method for preparing Fe3O4 nanorods in gradient magnetic field | |
| CN104209513B (en) | Superparamagnetic nanometer composite material and preparation method for same | |
| CN106395914A (en) | Superparamagnetic Fe3O4 coated by oleic acid and preparation method thereof | |
| Rutberg et al. | Phase composition and magnetic properties of iron oxide nanoparticles obtained by impulse electric discharge in water | |
| CN110106170B (en) | Preparation method of nano biological magnetic beads for whole blood DNA extraction | |
| CN104900364A (en) | Super-paramagnetism Fe3O4/APTES composite nano particle and production method thereof | |
| CN107265522A (en) | A kind of preparation method of composite nano materials | |
| CN105062478B (en) | A kind of biological method for preparing ferrite bismuth ferrite composite fluorescent material | |
| CN107572598B (en) | The preparation method of di-iron trioxide and the spherical nanocomposite of γ di-iron trioxide | |
| CN105819520B (en) | A method of preparing high saturation and magnetic intensity ferroferric oxide nano granules |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Jiang Shiliang Inventor after: Yan Tingxian Inventor after: Pang Yutao Inventor after: Chen Xianjin Inventor before: Zhang Diming Inventor before: Lin Dawei Inventor before: Guo Yanqiu |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170807 Address after: 264000 169, Airport Road 1, Zhifu District, Shandong, Yantai Applicant after: YANTAI XINYANG ELECTRONICS Co.,Ltd. Address before: 315000 Zhejiang province Ningbo City Jiangdong District Qixin Road No. 167 5 floor Applicant before: NINGBO JIANGDONG SUOLEISI ELECTRONIC TECHNOLOGY Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170901 |