CN104934185B - A kind of preparation method of binary weak magnetic hybrid ionic type magnetic liquid - Google Patents
A kind of preparation method of binary weak magnetic hybrid ionic type magnetic liquid Download PDFInfo
- Publication number
- CN104934185B CN104934185B CN201510408838.9A CN201510408838A CN104934185B CN 104934185 B CN104934185 B CN 104934185B CN 201510408838 A CN201510408838 A CN 201510408838A CN 104934185 B CN104934185 B CN 104934185B
- Authority
- CN
- China
- Prior art keywords
- solution
- mgfe
- nife
- magnetic
- preparation
- 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
- 239000007788 liquid Substances 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title claims abstract description 33
- 229910003264 NiFe2O4 Inorganic materials 0.000 claims abstract description 48
- 239000006249 magnetic particle Substances 0.000 claims abstract description 37
- 239000011554 ferrofluid Substances 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000008367 deionised water Substances 0.000 claims abstract description 8
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 8
- 239000000243 solution Substances 0.000 claims description 73
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 33
- 239000011259 mixed solution Substances 0.000 claims description 22
- 238000009835 boiling Methods 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 18
- 238000003756 stirring Methods 0.000 claims description 15
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 12
- 239000012065 filter cake Substances 0.000 claims description 8
- 238000005406 washing Methods 0.000 claims description 8
- 229910017604 nitric acid Inorganic materials 0.000 claims description 7
- VCJMYUPGQJHHFU-UHFFFAOYSA-N iron(III) nitrate Inorganic materials [Fe+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VCJMYUPGQJHHFU-UHFFFAOYSA-N 0.000 claims description 4
- 239000004531 microgranule Substances 0.000 claims description 4
- 239000000047 product Substances 0.000 claims description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract description 39
- 239000012530 fluid Substances 0.000 abstract description 11
- 238000000975 co-precipitation Methods 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 6
- 239000006185 dispersion Substances 0.000 abstract description 4
- 238000003786 synthesis reaction Methods 0.000 abstract 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 33
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 18
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 13
- 238000004140 cleaning Methods 0.000 description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 6
- 238000000227 grinding Methods 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 239000011553 magnetic fluid Substances 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 238000013019 agitation Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000004570 mortar (masonry) Substances 0.000 description 3
- 239000002253 acid Chemical group 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 210000001124 body fluid Anatomy 0.000 description 2
- 239000010839 body fluid Substances 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003350 kerosene Substances 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L magnesium chloride Substances [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- 229910001629 magnesium chloride Inorganic materials 0.000 description 2
- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Inorganic materials [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000001935 peptisation Methods 0.000 description 2
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000002122 magnetic nanoparticle Substances 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003701 mechanical milling Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 150000001455 metallic ions Chemical class 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
Landscapes
- Soft Magnetic Materials (AREA)
- Lubricants (AREA)
Abstract
It is an object of the invention to provide the preparation method of a kind of binary weak magnetic hybrid ionic type magnetic liquid, i.e. by chemical coprecipitation, be respectively synthesized p MgFe2O4With p NiFe2O4Magnetic particle, then two kinds of magnetic particles, hydrochloric acid and deionized water (i.e. Q=0.12) according to a certain percentage are dispersed in identical base fluid respectively, and form p MgFe2O4Or p NiFe2O4Unit ionic ferrofluid, the unit ionic ferrofluid of two kinds of same volume marks is mixed into p MgFe by 1:1 the most by volume2O4‑p‑NiFe2O4Binary weak magnetic hybrid ionic type magnetic liquid.The p MgFe of present invention synthesis2O4With p NiFe2O4Two kinds of magnetic particles belong to nanoscale, epigranular, good dispersion, and magnetic is more weak.
Description
Technical field
The preparation method of a kind of binary of the present invention weak magnetic hybrid ionic type magnetic liquid relates to p-MgFe2O4-p-NiFe2O4Binary is weak
Magnetic hybrid ionic type magnetic liquid, particularly belongs to liquid magnetic field of material technology.
Background technology
Magnetic liquid preparation method predominantly organic tool polishing, chemical coprecipitation, thermal decomposition method, peptisation, vacuum vapour deposition
With plasma CVD method etc., wherein mechanical milling method hardly results in the magnetic particle of below 300nm；Thermal decomposition method can be received
Rice magnetic particle but its energy consumption is bigger；The magnetic liquid of the available relatively small size particle of peptisation, and cost is the highest, but can only
It is used in the making of the magnetic liquid of non-water system carrier；Magnetic fluid magnetic particle good dispersion prepared by vacuum vapour deposition, granularity is equal
Even, granularity is little, however it is necessary that evacuation, and equipment is complicated；The magnetic-particle particle diameter wider distribution that plasma CVD method prepares,
Purge process difficulty, saturation magnetization is relatively low, and preparation facilities is numerous and diverse.Chemical coprecipitation is by each in magnetic nanoparticle
After metal ion stoichiometrically mixes, being got off by each precipitation by metallic ion with NaOH regulation pH value of solution, period constantly to stir
Mix, then by separating, cleaning, except water, dry and grinding, prepare nano magnetic particle, the magnetic particle granularity that this method prepares
Uniformly, granularity is little, good dispersion, and preparation facilities is simple, and operating process is the most uncomplicated.
The present invention uses chemical coprecipitation, prepares two kinds of sub magnetic debris, and magnetic-particle is not owing to having the bag of surfactant
Cover, therefore under the effect of externally-applied magnetic field, react the sensitiveest.Additionally the base fluid of ionic ferrofluid is by deionized water and acid group
Becoming, similar to body fluid composition in human body, prepared two end number mixing ionic ferrofluid is highly suitable to be applied for biomedical neck
Territory.
Summary of the invention
It is an object of the invention to provide the preparation method of a kind of binary weak magnetic hybrid ionic type magnetic liquid, pass through chemical coprecipitation
Shallow lake method, is respectively synthesized p-MgFe2O4And p-NiFe2O4Magnetic particle, then by two kinds of magnetic particles, hydrochloric acid and deionized water by one
Fixed ratio is dispersed in identical base fluid formation respectivelyThe unit magnetic liquid of Q=0.12,1:1 the most by volume
The unit magnetic liquid of two kinds of same volume marks is mixed into binary magnetic fluid.Wherein, volume fraction Q-value=[H+]/([Fe3+]+[M2+]), Q-value is the H before ionic ferrofluid preparation+With Fe, M (M2+
Can be Fe2+、Ni2+、Mn2+、Co2+Deng) ratio of the molal quantity of atom sum, its meaning is exactly to prepare the ion of steady statue
The ratio of the required acid amount added of type magnetic liquid.
The preparation method of a kind of binary of the present invention weak magnetic hybrid ionic type magnetic liquid, preparation method comprises the following steps:
(1)p-MgFe2O4、p-NiFe2O4The preparation of magnetic particle
By HCl solution and the 1.23mol/LMg (NO of 1mol/L3)2After solution is 1:25 mix homogeneously by volume, constantly stirring
Mix the FeCl of lower addition 2.41mol/L3Solution, continues stirring and adds 4mol/L NaOH solution, wherein Fe3+、Mg2+、OH-
Mol ratio control as 2:1:8；Above-mentioned mixed solution is heated under the mixing speed of 2500r/min until 1min rear chamber of seething with excitement
The lower natural cooling of temperature；Product after cooling filters, filter cake HNO3Solution washing joins boiling to neutrality
Fe(NO3)3In solution, naturally cool to room temperature after keeping boiling 30min under the mixing speed of 2500r/min, then carried out
Filter, after the filter cake washing with acetone of gained, is dried 24h, more ground process under the conditions of 60 DEG C, obtains p-MgFe2O4Magnetic
Microgranule.
By HCl solution and the 1.00mol/L Ni (NO of 1mol/L3)2After solution is 1:25 mix homogeneously by volume, constantly
The lower FeCl adding 2.03mol/L of stirring3Solution, continues stirring and adds 4mol/L NaOH solution, wherein Fe3+、Ni2+、OH-
Mol ratio control as 2:1:8；Above-mentioned mixed solution is heated under the mixing speed of 2500r/min until 1min rear chamber of seething with excitement
The lower natural cooling of temperature；Product after cooling filters, filter cake HNO3Solution washing joins boiling to neutrality
Fe(NO3)3In solution, naturally cool to room temperature after keeping boiling 30min under the mixing speed of 2500r/min, then carried out
Filter, after the filter cake washing with acetone of gained, is dried 24h, more ground process under the conditions of 60 DEG C, obtains p-NiFe2O4Magnetic
Microgranule.
(2)p-MgFe2O4、p-NiFe2O4The preparation of unit ionic ferrofluid
By p-MgFe2O4After magnetic particle, the HCl of 1mol/L and deionized water are 1:3.3:20.7 mix homogeneously by volume,
To p-MgFe2O4Unit ionic ferrofluid, wherein p-MgFe2O4Control as 1:0.36 with the molar concentration rate of 1mol/L HCl.
By p-NiFe2O4After magnetic particle, the HCl of 1mol/L and deionized water are 1:2.85:21.15 mix homogeneously by volume,
Obtain p-NiFe2O4Unit ionic ferrofluid, wherein p-NiFe2O4Control as 1:0.36 with the molar concentration rate of 1mol/L HCl.
(3)p-MgFe2O4-p-NiFe2O4The preparation of binary weak magnetic hybrid ionic type magnetic liquid
By p-MgFe2O4Unit ionic ferrofluid and p-NiFe2O4Unit ionic ferrofluid mixes according to volume ratio 1:1
Shake up, prepare p-MgFe2O4-p-NiFe2O4Binary weak magnetic hybrid ionic type magnetic liquid.
Described p-MgFe2O4Unit ionic ferrofluid, p-NiFe2O4The volume fraction of unit ionic ferrofluid
Being 2%, Q-value is 0.12.
Advantages of the present invention
The preparation method of a kind of binary of the present invention weak magnetic hybrid ionic type magnetic liquid, is respectively synthesized by chemical coprecipitation
p-MgFe2O4And p-NiFe2O4Weak magnetic particles, then by two kinds of weak magnetic particles, hydrochloric acid and deionized water according to a certain percentage (i.e.
Q=0.12) being dispersed in identical base fluid formation unit magnetic liquid respectively, 1:1 is by two kinds of same volume marks the most by volume
Unit magnetic liquid is mixed into binary magnetic fluid.Present invention process is easy, and the magnetic particle of preparation is uniform, and granularity reaches nanometer
Level, good dispersion, magnetic is more weak.It is coated with p-MgFe additionally, due to not using surfactant2O4And p-NiFe2O4Magnetic particle,
And the base fluid of the ionic ferrofluid allocated is similar to body fluid composition in human body, reacts the cleverest under the effect of externally-applied magnetic field
Quick, it is suitably applied biomedical sector.
Detailed description of the invention
Embodiment 1
(1)p-MgFe2O4、p-NiFe2O4The preparation of magnetic particle
By 65g FeCl3·6H2O, 25gMg (NO3)2·6H2O and 40gNaOH is dissolved in water respectively and is configured to 100ml 2.41mol/L
FeCl3, 100ml 1.23mol/L Mg (NO3)2With 250ml 4mol/L NaOH solution, 4ml 1mol/L HCl solution is added
To 100ml Mg (NO3)2Solution, obtains HCl and Mg (NO3)2Mixed solution, then by 100ml FeCl3Solution pour into HCl and
Mg(NO3)2Mixed solution in obtain FeCl3, HCl and MgCl2Mixed solution (into wherein HCl solution is poured Mg (NO3)2
Solution is in order to prevent from working as FeCl3Solution pours HCl and Mg (NO into3)2Mixed solution in be occur complex reaction).The most again
250ml NaOH solution is poured into FeCl3, HCl and Mg (NO3)2Mixed solution in obtain solution and (mix at these solution
During will be stirred, to allow solution mix homogeneously).This solution is put on electric furnace and carries out heating until seething with excitement, keep
Seethe with excitement one minute (solution to be kept stirring for by period, mechanical agitation rotating speed 2500r/min), then take off the solution of boiling in room
The lower natural cooling of temperature.Then it is carried out centrifugal being precipitated, cleanout fluid HNO3Solution, until the pH=7 of cleanout fluid
Till Zuo You (cleaning is to remove unnecessary ion).The precipitation obtained after cleaning joins the Fe (NO of boiling3)3Solution
In process, make mixed solution keep 30 minutes (period do not stop stirring, 2500r/min) of boiling.To seethe with excitement after 30 minutes molten
Liquid removes lower room temperature natural cooling, and it is carried out acetone dehydration, obtains p-MgFe after being dried 24h in 60 DEG C of drying baker2O4, finally
In mortar, grinding half an hour, obtains required p-MgFe2O4Magnetic particle.
In the same way with Ni (NO3)2·6H2O replaces Mg (NO3)2·6H2O produces p-NiFe2O4Magnetic particle.
(2)p-MgFe2O4、p-NiFe2O4The preparation of unit ionic ferrofluid
Precise 3.644g p-MgFe2O4It is fixed that the HCl of magnetic particle and 6.6ml 1mol/L pours 50ml volumetric flask kerosene into
Hold, configure three bottles of identical p-MgFe2O4Unit magnetic liquid, hand 30min.In like manner precise 3.695g p-NiFe2O4
Magnetic particle is poured 50ml volumetric flask into and is spent kerosene constant volume three bottles of identical p-NiFe of configuration with the HCl of 5.7ml 1mol/L2O4
Unit magnetic liquid, hand 30min.Then it is diluted, obtains the unit ionic ferrofluid that volume fraction is 2%.
(3)p-MgFe2O4-p-NiFe2O4The preparation of binary weak magnetic hybrid ionic type magnetic liquid
It is 1:1 by volume ratio respectively, each 15ml, and the unit p-NiFe that volume fraction is 2%2O4With p-MgFe204Magnetic liquid
Body mixes, and obtains the 3p-MgFe that volume fraction is 2%2O4-p-NiFe2O4Binary ionic ferrofluid.
Embodiment 2
(1)p-MgFe2O4、p-NiFe2O4The preparation of magnetic particle
By 65g FeCl3·6H2O, 25gMg (NO3)2·6H2O and 40gNaOH is dissolved in water respectively and is configured to 100ml 2.41mol/L
FeCl3, 100ml 1.23mol/L Mg (NO3)2With 250ml4mol/L NaOH solution, 4ml 1mol/L HCl solution is added
To 100ml Mg (NO3)2Solution, obtains HCl and Mg (NO3)2Mixed solution, then by 100ml FeCl3Solution pour into HCl and
MgCl2Mixed solution in obtain FeCl3, HCl and Mg (NO3)2Mixed solution (into wherein HCl solution is poured Mg (NO3)2
Solution is in order to prevent from working as FeCl3Solution pours HCl and Mg (NO into3)2Mixed solution in be occur complex reaction).The most again
250ml NaOH solution is poured into FeCl3, HCl and Mg (NO3)2Mixed solution in obtain solution and (mix at these solution
During will be stirred, to allow solution mix homogeneously).This solution is put on electric furnace and carries out heating until seething with excitement, keep
Seethe with excitement one minute (solution to be kept stirring for by period, mechanical agitation rotating speed 2500r/min), then take off the solution of boiling in room
The lower natural cooling of temperature.Then it is carried out centrifugal being precipitated, cleanout fluid HNO3Solution, until the pH=7 of cleanout fluid
Till Zuo You (cleaning is to remove unnecessary ion).The precipitation obtained after cleaning joins the Fe (NO of boiling3)3Solution
In process, make mixed solution keep 30 minutes (period do not stop stirring, 2500r/min) of boiling.To seethe with excitement after 30 minutes molten
Liquid removes lower room temperature natural cooling, and it is carried out acetone dehydration, obtains p-MgFe after being dried 24h in 60 DEG C of drying baker2O4, finally
In mortar, grinding half an hour, obtains required p-MgFe2O4Magnetic particle.In the same way with Ni (NO3)2·6H2O generation
For Mg (NO3)2·6H2O obtains producing p-NiFe2O4Magnetic particle.
(2)p-MgFe2O4、p-NiFe2O4The preparation of unit ionic ferrofluid
Then φV=2%, Q (acidity)=0.12 unit p-MgFe2O4And p-NiFe2O4The preparation of ionic ferrofluid:
Precise 3.644g p-MgFe2O4The HCl of magnetic particle and 6.6ml 1mol/L pours 50ml volumetric flask polymethyl benzene into
Constant volume, configures p-MgFe2O4Unit magnetic liquid, hand 30min.In like manner precise 3.695g p-NiFe2O4Magnetic particle
50ml volumetric flask polymethyl benzene constant volume configuration p-NiFe is poured into the HCl of 5.7ml 1mol/L2O4Unit magnetic liquid, hand
30min.Then it is diluted, obtains the p-MgFe that volume fraction is 2%2O4And p-NiFe2O4Magnetic liquid.
(3)p-MgFe2O4-p-NiFe2O4The preparation of binary weak magnetic hybrid ionic type magnetic liquid
It is 1:1 by volume ratio respectively, each 15ml, and the unit p-NiFe that volume fraction is identical2O4With p-MgFe204Unit magnetic
Liquid mixing, obtains binary magnetic fluid.
Embodiment 3
(1)p-MgFe2O4、p-NiFe2O4The preparation of magnetic particle
By 65g FeCl3·6H2O, 25g Mg (NO3)2·6H2O and 40gNaOH is dissolved in water respectively and is configured to 100ml 2.41mol/L
FeCl3, 100ml 1.23mol/L 25g Mg (NO3)2With 250ml 4mol/L NaOH solution, by 4ml 1mol/L HCl solution
Join 100ml Mg (NO3)2Solution, obtains the mixed solution of HCl and Mg (NO3) 2, then is poured into by 100ml FeCl3 solution
HCl and Mg (NO3)2Mixed solution in obtain FeCl3, HCl and Mg (NO3)2Mixed solution (wherein HCl solution is poured into
Mg(NO3)2Solution is in order to prevent from working as FeCl3Solution pours HCl and Mg (NO into3)2Mixed solution in be occur complex reaction).
The most again 250ml NaOH solution is poured into FeCl3, HCl and Mg (NO3)2Mixed solution in obtain solution (at these solution
Will be stirred during mixing, to allow solution mix homogeneously).This solution is put on electric furnace and carries out heating until seething with excitement,
Keep one minute (solution to be kept stirring for by period, mechanical agitation rotating speed 2500r/min) of boiling, then take off the solution of boiling
At room temperature natural cooling.Then it is carried out centrifugal being precipitated, cleanout fluid HNO3Solution, until the pH=7 of cleanout fluid
Till Zuo You (cleaning is to remove unnecessary ion).The precipitation obtained after cleaning joins the Fe (NO of boiling3)3Solution
In process, make mixed solution keep 30 minutes (period do not stop stirring, 2500r/min) of boiling.To seethe with excitement after 30 minutes molten
Liquid removes lower room temperature natural cooling, and it is carried out acetone dehydration, obtains p-MgFe after being dried 24h in 60 DEG C of drying baker2O4, finally
In mortar, grinding half an hour, obtains required p-MgFe2O4Magnetic particle.
In the same way with Ni (NO3)2·6H2O replaces Mg (NO3)2·6H2O obtains producing p-NiFe2O4Magnetic particle.
(2)p-MgFe2O4、p-NiFe2O4The preparation of unit ionic ferrofluid
Precise 3.644g p-MgFe2O4It is fixed that the HCl of magnetic particle and 6.6ml 1mol/L pours 50ml volumetric flask silicone oil into
Hold, configure three bottles of identical p-MgFe2O4Unit magnetic liquid, hand 30min.In like manner precise 3.695g p-NiFe2O4
Magnetic particle pours 50ml volumetric flask silicone oil constant volume three bottles of identical p-NiFe of configuration into the HCl of 5.7ml 1mol/L2O4Unit
Magnetic liquid, hand 30min.Then be diluted, obtain volume fraction be 2%, p-MgFe2O4And p-NiFe2O4Magnetic
Liquid.
(3)p-MgFe2O4-p-NiFe2O4The preparation of binary weak magnetic hybrid ionic type magnetic liquid
It is 1:1 by volume ratio respectively, each 15ml, and the unit p-NiFe that volume fraction is identical2O4With p-MgFe204Magnetic liquid
Mixing, obtains p-MgFe2O4-p-NiFe2O4The preparation of binary ionic ferrofluid.
Claims (2)
1. the preparation method of a binary weak magnetic hybrid ionic type magnetic liquid, it is characterised in that: described preparation method includes
Following steps
(1)p-MgFe2O4、p-NiFe2O4The preparation of magnetic particle
By HCl solution and the 1.23mol/LMg (NO of 1mol/L3)2After solution is 1:25 mix homogeneously by volume, constantly stirring
Mix the FeCl of lower addition 2.41mol/L3Solution, continues stirring and adds 4mol/L NaOH solution, wherein Fe3+、Mg2+、OH-
Mol ratio control as 2:1:8；Above-mentioned mixed solution is heated under the mixing speed of 2500r/min until 1min rear chamber of seething with excitement
The lower natural cooling of temperature；Product after cooling filters, filter cake HNO3Solution washing joins boiling to neutrality
Fe(NO3)3In solution, naturally cool to room temperature after keeping boiling 30min under the mixing speed of 2500r/min, then carried out
Filter, after the filter cake washing with acetone of gained, is dried 24h, more ground process under the conditions of 60 DEG C, obtains p-MgFe2O4Magnetic
Microgranule；
By HCl solution and the 1.00mol/L Ni (NO of 1mol/L3)2After solution is 1:25 mix homogeneously by volume, constantly
The lower FeCl adding 2.03mol/L of stirring3Solution, continues stirring and adds 4mol/L NaOH solution, wherein Fe3+、Ni2+、OH-
Mol ratio control as 2:1:8；Above-mentioned mixed solution is heated under the mixing speed of 2500r/min until 1min rear chamber of seething with excitement
The lower natural cooling of temperature；Product after cooling filters, filter cake HNO3Solution washing joins boiling to neutrality
Fe(NO3)3In solution, naturally cool to room temperature after keeping boiling 30min under the mixing speed of 2500r/min, then carried out
Filter, after the filter cake washing with acetone of gained, is dried 24h, more ground process under the conditions of 60 DEG C, obtains p-NiFe2O4Magnetic
Microgranule；
(2)p-MgFe2O4、p-NiFe2O4The preparation of unit ionic ferrofluid
By p-MgFe2O4After magnetic particle, the HCl of 1mol/L and deionized water are 1:3.3:20.7 mix homogeneously by volume,
To p-MgFe2O4Unit ionic ferrofluid, wherein p-MgFe2O4Control as 1:0.36 with the molar concentration rate of 1mol/L HCl；
By p-NiFe2O4After magnetic particle, the HCl of 1mol/L and deionized water are 1:2.85:21.15 mix homogeneously by volume,
Obtain p-NiFe2O4Unit ionic ferrofluid, wherein p-NiFe2O4Control as 1:0.36 with the molar concentration rate of 1mol/L HCl；
(3)p-MgFe2O4-p-NiFe2O4The preparation of binary weak magnetic hybrid ionic type magnetic liquid
By p-MgFe2O4Unit ionic ferrofluid and p-NiFe2O4Unit ionic ferrofluid mixes according to volume ratio 1:1
Shake up, prepare p-MgFe2O4-p-NiFe2O4Binary weak magnetic hybrid ionic type magnetic liquid.
The preparation method of a kind of binary the most according to claim 1 weak magnetic hybrid ionic type magnetic liquid, it is characterised in that:
Described p-MgFe2O4Unit ionic ferrofluid, p-NiFe2O4The volume fraction of unit ionic ferrofluidIt is 2%,
Q-value is 0.12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510408838.9A CN104934185B (en) | 2015-07-14 | 2015-07-14 | A kind of preparation method of binary weak magnetic hybrid ionic type magnetic liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510408838.9A CN104934185B (en) | 2015-07-14 | 2015-07-14 | A kind of preparation method of binary weak magnetic hybrid ionic type magnetic liquid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104934185A CN104934185A (en) | 2015-09-23 |
| CN104934185B true CN104934185B (en) | 2016-10-12 |
Family
ID=54121313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510408838.9A Expired - Fee Related CN104934185B (en) | 2015-07-14 | 2015-07-14 | A kind of preparation method of binary weak magnetic hybrid ionic type magnetic liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104934185B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105869822A (en) * | 2016-05-20 | 2016-08-17 | 南昌航空大学 | Preparation method of p-MaFe2O4 and p-NiFe2O4 binary magnetic mixed ionic magnetic fluid |
| CN106847460A (en) * | 2017-01-11 | 2017-06-13 | 西南大学 | A kind of preparation method of Kerosene-Base Magnetic Fluid |
| CN111270205B (en) * | 2020-02-18 | 2021-06-22 | 哈尔滨工业大学 | Preparation method of spinel phase p-type nickel ferrite semiconductor oxide film |
| CN112266024A (en) * | 2020-10-15 | 2021-01-26 | 上海纳米技术及应用国家工程研究中心有限公司 | Preparation method of cactus-shaped magnesium ferrate nano material, product and application |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59102861A (en) * | 1982-12-03 | 1984-06-14 | 工業技術院長 | Silicon carbide composite oxide sintered ceramics |
| US7291287B2 (en) * | 2005-05-25 | 2007-11-06 | Ferrolabs, Inc. | Method of making magnetic fluid |
| CN101488388B (en) * | 2008-10-15 | 2011-08-10 | 西南大学 | Preparation for binary magnetic fluid |
| CN101830691B (en) * | 2009-03-13 | 2013-03-06 | 中国科学院福建物质结构研究所 | Method for synthesizing nano ferrite soft magnetic material |
| CN102503390A (en) * | 2011-10-20 | 2012-06-20 | 同济大学 | Preparation method of manganese-zinc ferrite magnetic nanoparticle |
| CN103073063B (en) * | 2012-12-17 | 2014-11-12 | 沈阳化工大学 | Method for preparing nanometer magnesium ferrite through utilizing active magnesium oxide as raw material |
-
2015
- 2015-07-14 CN CN201510408838.9A patent/CN104934185B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104934185A (en) | 2015-09-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104934185B (en) | A kind of preparation method of binary weak magnetic hybrid ionic type magnetic liquid | |
| Jiang et al. | Synthesis of novel ZnS nanocages utilizing ZIF-8 polyhedral template | |
| Wang et al. | Synthesis of magnetite–silica core–shell nanoparticles via direct silicon oxidation | |
| Désert et al. | Synthesis and site-specific functionalization of tetravalent, hexavalent, and dodecavalent silica particles. | |
| CN104211042B (en) | A kind of method removing metallic impurity in carbon nanotube | |
| CN103418316A (en) | Preparation method of modified micro-granules | |
| CN102627872A (en) | Method for modifying attapulgite clay | |
| CN108993508B (en) | Regular cobalt-silicon nanosphere multiphase Fenton catalyst and preparation method and application thereof | |
| WO2012110995A1 (en) | Silica core-shell microparticles | |
| CN105347401A (en) | Method used for controllable preparation of monodisperse mesoporous molybdenum disulfide nanospheres | |
| CN108862362A (en) | A kind of preparation method of micron order cerium oxide powder | |
| CN105727913A (en) | Functional magnetic carbon material and preparation method and application thereof | |
| CN104743613A (en) | Method for continuously preparing large-particle-size spherical cobalt carbonate | |
| CN106498497A (en) | A kind of method for preparing granule single crystallization Co2Z hexad ferrite powder body | |
| Zhao et al. | Facile synthesis of ultralong hydroxyapatite nanowires using wormlike micelles as soft templates | |
| Onizuka et al. | Low-temperature solvent-free synthesis of polycrystalline hematite nanoparticles via mechanochemical activation and their adsorption properties for Congo red | |
| CN103708564B (en) | Solvothermal method for preparing nano ferroferric oxide powder | |
| Chen et al. | Formation of nanoparticles in water-in-oil microemulsions controlled by the yield of hydrated electron: The controlled reduction of Cu2+ | |
| CN104944475A (en) | Preparation method of cobalt carbonate with super coarse particles and high purity | |
| Xu et al. | Hollow ZnO/Zn2SiO4/SiO2 sub-microspheres with mesoporous shells: Synthesis, characterization, adsorption and photoluminescence | |
| CN105469920A (en) | Supergravity preparation method of cysteine modified magnetic nano-material | |
| CN102910611A (en) | Method for preparing ferrous phosphate-based lithium salt | |
| CN109867310B (en) | In-situ preparation of SmCo5/Sm2Co17Method for preparing biphase composite magnetic nano particles with core-shell structure | |
| CN103771533A (en) | Preparation method of alpha-Fe2O3 microsphere with flower-like hierarchical structure | |
| CN106673072A (en) | Nanometer Fe3O4 particles used for magnetic liquid and preparation method of nanometer Fe3O4 particles |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |