CN110223816A - A kind of magnetorheological fluid and preparation method thereof based on magnetic organogel - Google Patents
A kind of magnetorheological fluid and preparation method thereof based on magnetic organogel Download PDFInfo
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- CN110223816A CN110223816A CN201910568140.1A CN201910568140A CN110223816A CN 110223816 A CN110223816 A CN 110223816A CN 201910568140 A CN201910568140 A CN 201910568140A CN 110223816 A CN110223816 A CN 110223816A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/44—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids
- H01F1/447—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids characterised by magnetoviscosity, e.g. magnetorheological, magnetothixotropic, magnetodilatant liquids
Abstract
The invention discloses a kind of magnetorheological fluids based on magnetic organogel comprising carbonyl iron dust and magnetic organogel, volume fraction of the carbonyl iron dust in magnetic organogel are 20 ~ 30vol%；The magnetism organogel includes carrier fluid and carrying nanometer Fe3O4Inorganic clay particle, the carrying nanometer Fe3O4Mass fraction of the inorganic clay particle in magnetic organogel be 10 ~ 30wt%.It has higher yield stress, wider mangneto adjustable range and excellent suspension stability, good combination property.The invention also discloses the preparation methods of the magnetorheological fluid based on magnetic organogel, and preparation method is easy to operate, at low cost, can be widely applied for industrialized production.
Description
Technical field
The present invention relates to magnetic converting techniques, and in particular to a kind of magnetorheological fluid and its preparation side based on magnetic organogel
Method.
Background technique
Magnetorheological fluid is a kind of novel intelligent material, has apparent magnetic response feature and magnetic rheology effect, i.e., in magnetic field
Under the action of magnetorheological fluid lost flowability, or even embody the feature of class solid, once and external magnetic field removes, magnetorheological fluid is again
It can be restored immediately to free-flowing, this change procedure is extremely rapidly (Millisecond), reversible and controllable.With application
It constantly expands to field, it is desirable that magnetorheological fluid has more preferably performance, on the one hand to have more obvious magnetic rheology effect, embodies
On the other hand higher yield stress and broader mangneto adjustable range out must have preferable suspension stability again.
In practical applications, including ferromagnetic particle it is modified, be used to prepare high-performance using various ways such as additives
Magnetorheological fluid, the rheological property and suspension stability of magnetorheological fluid greatly promote.However, the experimental results also indicate that, magnetic current
Rheological property and the more difficult unification of suspension stability for becoming liquid prepare while having excellent rheomagnetic can be with suspending stabilized performance
High-performance magnetorheological fluid is still a problem to be solved, this greatlys restrict further applying for magnetic converting technique.
Summary of the invention
The object of the present invention is to provide a kind of magnetorheological fluid and preparation method thereof based on magnetic organogel, have compared with
High yield stress, wider mangneto adjustable range and excellent suspension stability, good combination property, preparation method operation letter
It is single, it is at low cost, it can be widely applied for industrialized production.
Magnetorheological fluid of the present invention based on magnetic organogel comprising carbonyl iron dust and magnetic organogel,
Volume fraction of the carbonyl iron dust in magnetic organogel is 20 ~ 30vol%；The magnetism organogel includes carrier fluid and carrying
Nanometer Fe3O4Inorganic clay particle, the carrying nanometer Fe3O4Quality of the inorganic clay particle in magnetic organogel
Score is 10 ~ 30wt%.
Further, the carrier fluid is one of silicone oil, mineral oil or polyalphaolefin.
Further, the iron content in the carbonyl iron dust is higher than 97.5%, and average grain diameter is 2 ~ 10 μm, and density is
7.9g/mL。
Further, the carrying nanometer Fe3O4The preparation method of inorganic clay particle include the following steps:
1) inorganic clay is put into dilute hydrochloric acid and is activated, carry out centrifugal treating, taking precipitate after stirring 22 ~ 26h；Work as inorganic clay
It when cation replacement ability is higher, is activated without using dilute hydrochloric acid, direct plunges into FeCl after cleaning3In solution；
2) sediment for obtaining step 1) puts into FeCl3In solution, 22 ~ 26h of mechanical stirring obtains mixed liquor；
3) mixed liquor for obtaining step 2 carries out centrifugal treating, removes supernatant, repeats the step until supernatant clarifies nothing
Color obtains sediment；
4) sediment for obtaining step 3) puts into FeSO4In solution, obtain mixed liquor, addition ammonium hydroxide adjust ph value of mixture to
9-10；
5) mixed liquor that step 4) obtains is heated to 80 ± 5 DEG C in a nitrogen atmosphere, 3 ~ 6h is reacted, is then condensed back；
6) mixed liquor for being condensed back step 5) carries out centrifugal treating, obtains lividity particle after removing supernatant, does
It obtains carrying nanometer Fe after dry3O4Inorganic clay particle.
Further, the concentration of dilute hydrochloric acid is 0.1 ~ 0.3mol/L, FeCl in the step 2 in the step 1)3Solution
Concentration is 0.1 ~ 0.5mol/L, and the concentration of the FeSO4 solution in the step 4) is 0.1 ~ 0.5mol/L.
Further, it is persistently stirred in the reaction process of step 5), stirring rate 200rpm.
Further, in the step 1) inorganic clay have stratiform or tubulose microstructure, and have certain interlayer sun from
Sub- exchange capacity.
A kind of preparation method of the magnetorheological fluid based on magnetic organogel comprising following steps:
A. nanometer Fe will be carried3O4Inorganic clay particle investment carrier fluid in, obtain suspension, the carrying nanometer Fe3O4Nothing
Mass fraction of the machine clay particle in carrier fluid is 20 ~ 30wt%, and the carrier fluid is one in silicone oil, mineral oil or polyalphaolefin
Kind；
B. suspension is subjected to ball-milling treatment, obtains magnetic organogel；
C. it is added carbonyl iron dust in magnetropism organogel, volume fraction of the carbonyl iron dust in property organogel be 10 ~
30vol% is cooled to room temperature after ultrasonic disperse, obtains the magnetorheological fluid based on magnetic organogel.
Further, the milling parameters in the step b are as follows: suspension is put into zirconia ball grinding jar, according to outstanding
Supernatant liquid and mill ball quality ratio 3:1 put into zirconium oxide balls, 10 ~ 14h of ball milling, and ball liquid separates after milled, obtain magnetic organogel.
Further, the ultrasonic disperse technological parameter in the step c are as follows: dispersed using plug-in type ultrasonic cell disruption instrument
Carbonyl iron dust, amplitude are 15 ~ 25%, and jitter time is 18 ~ 22min.
Compared with prior art, the present invention has the following advantages:
1, the magnetorheological fluid good combination property of the invention based on magnetic organogel is taken by the way that 10 ~ 30wt% is added in carrier fluid
Carry nanometer Fe3O4Inorganic clay particle, improve the shear thinning characteristic of traditional carrier fluid, under static condition have high viscosity,
It ensure that magnetorheological fluid has excellent suspension stability, and there is low viscosity under shear action, so that magnetorheological fluid has
Wider mangneto adjustable range；Simultaneously as being equipped with nanometer Fe3O4, nanometer Fe3O4For magnetic-particle, and then organogel is also
The defect that can make up for it mangneto chain bundle structure under magnetic fields improves the shear stress and yield stress of magnetorheological fluid.
2, preparation method simple process of the invention is feasible, and cost is relatively low, can be widely applied for machining, transmission system
The fields such as dynamic and automobile technology.
Detailed description of the invention
Fig. 1, which is that embodiment one is obtained, carries nanometer Fe3O4Inorganic clay particle magnetic hysteresis return curve graph；
Fig. 2 is the viscosity curve figure of magnetic organogel；
Fig. 3 is the field scan curve graph of magnetic organogel；
Fig. 4 is the rheological curve figure of the magnetorheological fluid based on magnetic organogel made from embodiment one；
Fig. 5 is the rheological curve figure of the magnetorheological fluid based on magnetic organogel made from embodiment two；
Fig. 6 is the mud line schematic diagram of magnetorheological fluid placement two days later, carries nanometer Fe from left to right3O4Galapectite particle in magnetic
Mass fraction in property organogel is respectively 20wt%, 10wt% and 0wt%.
Specific embodiment
The present invention will be described in detail below with reference to specific embodiments.
Embodiment one, a kind of magnetorheological fluid based on magnetic organogel comprising carbonyl iron dust and magnetic organogel,
Volume fraction of the carbonyl iron dust in magnetic organogel is 20vol%；The magnetism organogel includes carrier fluid and carrying nanometer
Fe3O4Inorganic clay particle, the carrying nanometer Fe3O4Mass fraction of the inorganic clay particle in carrier fluid be 20wt%.
The preparation method of the magnetorheological fluid based on magnetic organogel includes the following steps.
A. nanometer Fe is carried3O4Inorganic clay particle preparation, include the following steps:
1) the galapectite particle for choosing 1250 mesh, puts into isopropanol and is cleaned by ultrasonic 30min, dries for 24 hours at 60 DEG C；
2) weigh the inorganic clay particle that 20g step 1) obtains, put into the dilute hydrochloric acid of 0.1 mol/L and activate, after stirring for 24 hours from
The heart, taking precipitate；
3) deionized water cleaning step 2 is used) obtained sediment, supernatant is removed after centrifugation, repeats the step until supernatant
Liquid is in weakly acidic pH, the FeCl for being then 0.2mol/L by gained sediment investment 150ml concentration3In solution, machinery is stirred at room temperature
It mixes for 24 hours, is then centrifuged taking precipitate；
4) FeSO that the sediment investment 150ml concentration obtained step 3) is 0.2mol/L4In solution, mixed liquor is obtained, is added
Adding concentration is that 0.5mol/L ammonium hydroxide adjusts ph value of mixture to 9-10；
5) mixed liquor that step 4) obtains is heated to 80 DEG C in a nitrogen atmosphere, 3h is reacted, persistently stirs, stir in reaction process
Mixing rate is 200rpm, is then condensed back；
6) mixed liquor that step 5) is condensed back is centrifuged under 1200rpm revolving speed 15min, obtains blueness after removing supernatant
Black particle obtains carrying nanometer Fe after dry3O4Inorganic clay particle.
It b. is to be obtained in the silicone oil of 500cs by the inorganic clay particle investment viscosity for carrying nanometer Fe_3O_4 made from step a
To suspension, the carrying nanometer Fe3O4Mass fraction of the inorganic clay particle in suspension be 20wt%.
C. suspension is put into zirconia ball ink tank, puts into zirconium oxide balls according to outstanding mixed liquid and mill ball quality ratio 3:1,
Ball milling 12h, ball liquid separates after milled, obtains magnetic organogel.
D. the carbonyl iron dust for selecting BASF AG OM trade mark, puts into the magnetic organogel that step c is obtained, carbonyl iron dust
Using preceding without being surface-treated；Iron content in the carbonyl iron dust is higher than 97.5%, and average grain diameter is 7 μm, density
For 7.9g/mL；Volume fraction of the carbonyl iron dust in magnetic organogel is 20vol%, then uses plug-in type supersonic cell
Crusher disperses carbonyl iron dust, amplitude 25%, jitter time 20min.
E. the obtained suspension of step d is put into cold water, is cooled to room temperature to temperature, obtained based on magnetic organogel
Magnetorheological fluid.
Embodiment two, a kind of magnetorheological fluid based on magnetic organogel comprising carbonyl iron dust and magnetic organogel,
Volume fraction of the carbonyl iron dust in magnetic organogel is 20vol%；The magnetism organogel includes carrier fluid and carrying nanometer
Fe3O4Inorganic clay particle, the carrying nanometer Fe3O4Mass fraction of the inorganic clay particle in carrier fluid be 20wt%.
The preparation method of the magnetorheological fluid based on magnetic organogel includes the following steps.
A. nanometer Fe is carried3O4Inorganic clay particle preparation, include the following steps:
1) the montmorillonite particle for choosing 1250 mesh, puts into isopropanol and is cleaned by ultrasonic 30min, dries for 24 hours at 60 DEG C；
2) it since montmorillonite particle cation replacement ability is very high, does not need to activate it, weighs 20g montmorillonite particle and wash
The FeCl that 150ml concentration is 0.2mol/L is direct plungeed into after net3In solution, for 24 hours, subsequent centrifuging and taking precipitates mechanical stirring at room temperature
Object；
3) FeSO that the sediment investment 150ml concentration obtained step 2 is 0.2mol/L4In solution, mixed liquor is obtained, is added
Adding concentration is that 0.5mol/L ammonium hydroxide adjusts ph value of mixture to 9-10；
4) mixed liquor that step 3) obtains is heated to 80 DEG C in a nitrogen atmosphere, 3h is reacted, persistently stirs, stir in reaction process
Mixing rate is 200rpm, is then condensed back；
5) mixed liquor that step 4) is condensed back is centrifuged under 1200rpm revolving speed 15min, obtains blueness after removing supernatant
Black particle obtains carrying nanometer Fe after dry3O4Inorganic clay particle.
It b. is to be obtained in the silicone oil of 500cs by the inorganic clay particle investment viscosity for carrying nanometer Fe_3O_4 made from step a
To suspension, the carrying nanometer Fe3O4Mass fraction of the inorganic clay particle in suspension be 20wt%.
C. suspension is put into zirconia ball ink tank, puts into zirconium oxide balls according to outstanding mixed liquid and mill ball quality ratio 3:1,
Ball milling 12h, ball liquid separates after milled, obtains magnetic organogel.
D. the carbonyl iron dust for selecting BASF AG OM trade mark, puts into the magnetic organogel that step c is obtained, carbonyl iron dust
Using preceding without being surface-treated；Iron content in the carbonyl iron dust is higher than 97.5%, and average grain diameter is 7 μm, density
For 7.9g/mL；Volume fraction of the carbonyl iron dust in magnetic organogel is 20vol%, then uses plug-in type supersonic cell
Crusher disperses carbonyl iron dust, amplitude 25%, jitter time 20min.
E. the obtained suspension of step d is put into cold water, is cooled to room temperature to temperature, obtained based on magnetic organogel
Magnetorheological fluid.
Embodiment three, a kind of magnetorheological fluid based on magnetic organogel comprising carbonyl iron dust and magnetic organogel,
Volume fraction of the carbonyl iron dust in magnetic organogel is 30vol%；The magnetism organogel includes carrier fluid and carrying nanometer
Fe3O4Inorganic clay particle, the carrying nanometer Fe3O4Mass fraction of the inorganic clay particle in carrier fluid be 25wt%.
The preparation method of the magnetorheological fluid based on magnetic organogel includes the following steps.
A. nanometer Fe is carried3O4Inorganic clay particle preparation, include the following steps:
1) the galapectite particle for choosing 1250 mesh, puts into isopropanol and is cleaned by ultrasonic 30min, dries for 24 hours at 60 DEG C；
2) weigh the inorganic clay particle that 20g step 1) obtains, put into the dilute hydrochloric acid of 0.3 mol/L and activate, stir after 22h from
The heart, taking precipitate；
3) deionized water cleaning step 2 is used) obtained sediment, supernatant is removed after centrifugation, repeats the step until supernatant
Liquid is in weakly acidic pH, the FeCl for being then 0.5mol/L by gained sediment investment 150ml concentration3In solution, machinery is stirred at room temperature
It mixes for 24 hours, is then centrifuged taking precipitate；
4) FeSO that the sediment investment 150ml concentration obtained step 3) is 0.5mol/L4In solution, mixed liquor is obtained, is added
Adding concentration is that 0.5mol/L ammonium hydroxide adjusts ph value of mixture to 9-10；
5) mixed liquor that step 4) obtains is heated to 75 DEG C in a nitrogen atmosphere, 4h is reacted, persistently stirs, stir in reaction process
Mixing rate is 200rpm, is then condensed back；
6) mixed liquor that step 5) is condensed back is centrifuged under 1200rpm revolving speed 15min, obtains blueness after removing supernatant
Black particle obtains carrying nanometer Fe after dry3O4Inorganic clay particle.
It b. is to be obtained in the silicone oil of 500cs by the inorganic clay particle investment viscosity for carrying nanometer Fe_3O_4 made from step a
To suspension, the carrying nanometer Fe3O4Mass fraction of the inorganic clay particle in suspension be 25wt%.
C. suspension is put into zirconia ball ink tank, puts into zirconium oxide balls according to outstanding mixed liquid and mill ball quality ratio 3:1,
Ball milling 12h, ball liquid separates after milled, obtains magnetic organogel.
D. the carbonyl iron dust for selecting BASF AG OM trade mark, puts into the magnetic organogel that step c is obtained, carbonyl iron dust
Using preceding without being surface-treated；Iron content in the carbonyl iron dust is higher than 97.5%, and average grain diameter is 4 μm, density
For 7.9g/mL；Volume fraction of the carbonyl iron dust in magnetic organogel is 30vol%, then uses plug-in type supersonic cell
Crusher disperses carbonyl iron dust, amplitude 15%, jitter time 22min.
E. the obtained suspension of step d is put into cold water, is cooled to room temperature to temperature, obtained based on magnetic organogel
Magnetorheological fluid.
Example IV, a kind of magnetorheological fluid based on magnetic organogel comprising carbonyl iron dust and magnetic organogel,
Volume fraction of the carbonyl iron dust in magnetic organogel is 25vol%；The magnetism organogel includes carrier fluid and carrying nanometer
Fe3O4Inorganic clay particle, the carrying nanometer Fe3O4Mass fraction of the inorganic clay particle in carrier fluid be 10wt%.
The preparation method of the magnetorheological fluid based on magnetic organogel includes the following steps.
A. nanometer Fe is carried3O4Inorganic clay particle preparation, include the following steps:
1) the galapectite particle for choosing 1250 mesh, puts into isopropanol and is cleaned by ultrasonic 30min, dries for 24 hours at 60 DEG C；
2) weigh the inorganic clay particle that 20g step 1) obtains, put into the dilute hydrochloric acid of 0.5 mol/L and activate, stir after 26h from
The heart, taking precipitate；
3) deionized water cleaning step 2 is used) obtained sediment, supernatant is removed after centrifugation, repeats the step until supernatant
Liquid is in weakly acidic pH, the FeCl for being then 0.3mol/L by gained sediment investment 150ml concentration3In solution, machinery is stirred at room temperature
It mixes for 24 hours, is then centrifuged taking precipitate；
4) FeSO that the sediment investment 150ml concentration obtained step 3) is 0.3mol/L4In solution, mixed liquor is obtained, is added
Adding concentration is that 0.5mol/L ammonium hydroxide adjusts ph value of mixture to 9-10；
5) mixed liquor that step 4) obtains is heated to 85 DEG C in a nitrogen atmosphere, 6h is reacted, persistently stirs, stir in reaction process
Mixing rate is 200rpm, is then condensed back；
6) mixed liquor that step 5) is condensed back is centrifuged under 1200rpm revolving speed 15min, obtains blueness after removing supernatant
Black particle obtains carrying nanometer Fe after dry3O4Inorganic clay particle.
It b. is to be obtained in the silicone oil of 500cs by the inorganic clay particle investment viscosity for carrying nanometer Fe_3O_4 made from step a
To suspension, the carrying nanometer Fe3O4Mass fraction of the inorganic clay particle in suspension be 10wt%.
C. suspension is put into zirconia ball ink tank, puts into zirconium oxide balls according to outstanding mixed liquid and mill ball quality ratio 3:1,
Ball milling 12h, ball liquid separates after milled, obtains magnetic organogel.
D. the carbonyl iron dust for selecting BASF AG OM trade mark, puts into the magnetic organogel that step c is obtained, carbonyl iron dust
Using preceding without being surface-treated；Iron content in the carbonyl iron dust is higher than 97.5%, and average grain diameter is 10 μm, close
Degree is 7.9g/mL；Volume fraction of the carbonyl iron dust in magnetic organogel is 25vol%, then thin using plug-in type ultrasonic wave
Born of the same parents' crusher disperses carbonyl iron dust, amplitude 15%, jitter time 22min.
E. the obtained suspension of step d is put into cold water, is cooled to room temperature to temperature, obtained based on magnetic organogel
Magnetorheological fluid.
Embodiment five carries nanometer Fe to made from embodiment one3O4Inorganic clay particle detected, referring to Fig. 1,
Shown in carry nanometer Fe3O4Inorganic clay particle magnetic hysteresis loop, the results showed that carry nanometer Fe3O4Inorganic clay
Particle coercivity and remanent magnetism are minimum, show apparent paramagnetism feature, meanwhile, particle saturation magnetization is small.
Embodiment six detects magnetism organogel made from embodiment one and embodiment two, not add carrying
Nanometer Fe3O4Inorganic clay particle base oil as a comparison case.
Referring to fig. 2, the zero of embodiment one and embodiment two cuts viscosity higher than comparative example, and under the action of shearing under viscosity
The range of drop is greater than comparative example, and embodiment one and embodiment two show more obvious shear-thinning effect.
Referring to Fig. 3, under conditions of shear rate is constant, as magnetic field strength increases, embodiment one and embodiment two are made
The shear stress of magnetic organogel slightly promoted, show that magnetism organogel made from embodiment one and embodiment two has
Fainter magnetic response property.
Embodiment seven tests the magnetorheological fluid based on magnetic organogel made from embodiment one, to be not added with
Carry nanometer Fe3O4Inorganic clay particle magnetorheological fluid as a comparison case, it is referring to fig. 4, real under different magnetic field strengths
It applies shear stress of the example one under the conditions of identical shear rate and is above comparative example.
Magnetorheological fluid based on magnetic organogel made from embodiment two is tested, to be not added with carrying nanometer
Fe3O4Inorganic clay particle magnetorheological fluid as a comparison case, referring to Fig. 5, under different magnetic field strengths, embodiment two exists
Shear stress under the conditions of identical shear rate is above comparative example.
Embodiment eight carries out stability test to the magnetorheological fluid based on magnetic organogel, in three test tubes respectively
Magnetorheological fluid is added, the magnetorheological fluid that leftmost test tube is added is the magnetorheological fluid based on magnetic organogel, carries nanometer
Fe3O4Mass fraction of the inorganic clay particle in magnetic organogel be 20wt%, the magnetorheological fluid that intermediate test tube is added
For the magnetorheological fluid based on magnetic organogel, nanometer Fe is carried3O4Quality of the inorganic clay particle in magnetic organogel
Score is 10wt%, and the magnetorheological fluid that the test tube of rightmost is added is to be not added with carrying nanometer Fe3O4Inorganic clay particle magnetic
Rheology liquid, i.e., wherein carry nanometer Fe3O4Inorganic clay particle mass fraction be 0wt%.When beginning, magnetic current in three test tubes
The mud line position for becoming liquid is contour, while standing two days later, and referring to Fig. 6, in leftmost test tube, the mud line position of magnetorheological fluid is most
Height, the mud line position of magnetorheological fluid is minimum in the test tube of rightmost, shows with carrying nanometer Fe3O4Inorganic clay particle
It is added, the suspension stability of magnetorheological fluid can be significantly improved.
Claims (10)
1. a kind of magnetorheological fluid based on magnetic organogel, it is characterised in that: including carbonyl iron dust and magnetic organogel, carbonyl
Volume fraction of the base iron powder in magnetic organogel is 20 ~ 30vol%；
The magnetism organogel includes carrier fluid and carrying nanometer Fe3O4Inorganic clay particle, the carrying nanometer Fe3O4Nothing
Mass fraction of the machine clay particle in magnetic organogel is 10 ~ 30wt%.
2. the magnetorheological fluid according to claim 1 based on magnetic organogel, it is characterised in that: the carrier fluid is silicon
One of oil, mineral oil or polyalphaolefin.
3. the magnetorheological fluid according to claim 1 or 2 based on magnetic organogel, it is characterised in that: the carbonyl iron
Iron content in powder is higher than 97.5%, and average grain diameter is 2 ~ 10 μm, density 7.9g/mL.
4. the magnetorheological fluid according to claim 1 or 2 based on magnetic organogel, it is characterised in that: the carrying is received
Rice Fe3O4The preparation method of inorganic clay particle include the following steps:
1) inorganic clay is put into dilute hydrochloric acid and is activated, carry out centrifugal treating, taking precipitate after stirring 22 ~ 26h；
2) sediment for obtaining step 1) puts into FeCl3In solution, 22 ~ 26h of mechanical stirring obtains mixed liquor；
3) mixed liquor for obtaining step 2 carries out centrifugal treating, removes supernatant, repeats the step until supernatant clarifies nothing
Color obtains sediment；
4) sediment for obtaining step 3) puts into FeSO4In solution, obtain mixed liquor, addition ammonium hydroxide adjust ph value of mixture to
9-10；
5) mixed liquor that step 4) obtains is heated to 80 ± 5 DEG C in a nitrogen atmosphere, 3 ~ 6h is reacted, is then condensed back；
6) mixed liquor for being condensed back step 5) carries out centrifugal treating, obtains lividity particle after removing supernatant, does
It obtains carrying nanometer Fe after dry3O4Inorganic clay particle.
5. the magnetorheological fluid according to claim 4 based on magnetic organogel, it is characterised in that: dilute in the step 1)
The concentration of hydrochloric acid is 0.1 ~ 0.3mol/L, FeCl in the step 23The concentration of solution is 0.1 ~ 0.5mol/L, the step 4)
In FeSO4 solution concentration be 0.1 ~ 0.5mol/L.
6. the magnetorheological fluid according to claim 4 based on magnetic organogel, it is characterised in that: in the reaction of step 5)
It persistently stirs in the process, stirring rate 200rpm.
7. the magnetorheological fluid according to claim 4 based on magnetic organogel, it is characterised in that: nothing in the step 1)
Machine clay has stratiform or tubulose microstructure, and has certain interlayer cation exchange capacity.
8. a kind of preparation method of the magnetorheological fluid based on magnetic organogel, characterized by the following steps:
A. nanometer Fe will be carried3O4Inorganic clay particle investment carrier fluid in, obtain suspension, the carrying nanometer Fe3O4Nothing
Mass fraction of the machine clay particle in carrier fluid is 20 ~ 30wt%, and the carrier fluid is one in silicone oil, mineral oil or polyalphaolefin
Kind；
B. suspension is subjected to ball-milling treatment, obtains magnetic organogel；
C. it is added carbonyl iron dust in magnetropism organogel, volume fraction of the carbonyl iron dust in property organogel be 10 ~
30vol% is cooled to room temperature after ultrasonic disperse, obtains the magnetorheological fluid based on magnetic organogel.
9. the preparation method of the magnetorheological fluid according to claim 7 based on magnetic organogel, it is characterised in that: described
Milling parameters in step b are as follows: suspension is put into zirconia ball grinding jar, according to suspension and mill ball quality ratio 3:1
Zirconium oxide balls are put into, 10 ~ 14h of ball milling, ball liquid separates after milled, obtains magnetic organogel.
10. the preparation method of the magnetorheological fluid according to claim 7 based on magnetic organogel, it is characterised in that: institute
State the ultrasonic disperse technological parameter in step c are as follows: disperse carbonyl iron dust, amplitude 15 using plug-in type ultrasonic cell disruption instrument
~ 25%, jitter time is 18 ~ 22min.
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030102455A1 (en) * | 2001-11-13 | 2003-06-05 | Delphi Technologies, Inc. | Low-cost MR fluids with powdered iron |
| CN101691518A (en) * | 2009-08-27 | 2010-04-07 | 同济大学 | Magnetorheological fluid using high molecular microgel as anti-sedimentation agent and preparation method thereof |
| US20110121223A1 (en) * | 2009-11-23 | 2011-05-26 | Gm Global Technology Operations, Inc. | Magnetorheological fluids and methods of making and using the same |
| US20140360973A1 (en) * | 2011-11-09 | 2014-12-11 | The Regents Of The University Of California | Superparamagnetic colloids with enhanced charge stability for high quality magnetically tunable photonic structures |
| CN106952705A (en) * | 2017-03-30 | 2017-07-14 | 中国人民解放军装甲兵工程学院 | A kind of superior magnetic flow liquid of redispersibility and its wet type preparation method |
| CN108364743A (en) * | 2018-04-17 | 2018-08-03 | 中国人民解放军陆军勤务学院 | A kind of three-phase magnetorheological fluid and preparation method thereof |
| CN108492955A (en) * | 2018-04-23 | 2018-09-04 | 谢新昇 | A kind of preparation method of the compound magnetorheological fluid of colloid modified carbonyl iron powder |
| CN108587743A (en) * | 2018-04-17 | 2018-09-28 | 中国人民解放军陆军勤务学院 | A kind of magnetorheological glue and preparation method thereof |
| CN108641687A (en) * | 2018-05-29 | 2018-10-12 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Magnetorheological temporarily stifled liquid of one kind and preparation method thereof |
| CN109745285A (en) * | 2019-03-04 | 2019-05-14 | 金陵科技学院 | A kind of triple responsive nano hydrogels of magnetism/temperature/pH and preparation method thereof |
-
2019
- 2019-06-27 CN CN201910568140.1A patent/CN110223816B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030102455A1 (en) * | 2001-11-13 | 2003-06-05 | Delphi Technologies, Inc. | Low-cost MR fluids with powdered iron |
| CN101691518A (en) * | 2009-08-27 | 2010-04-07 | 同济大学 | Magnetorheological fluid using high molecular microgel as anti-sedimentation agent and preparation method thereof |
| US20110121223A1 (en) * | 2009-11-23 | 2011-05-26 | Gm Global Technology Operations, Inc. | Magnetorheological fluids and methods of making and using the same |
| US20140360973A1 (en) * | 2011-11-09 | 2014-12-11 | The Regents Of The University Of California | Superparamagnetic colloids with enhanced charge stability for high quality magnetically tunable photonic structures |
| CN106952705A (en) * | 2017-03-30 | 2017-07-14 | 中国人民解放军装甲兵工程学院 | A kind of superior magnetic flow liquid of redispersibility and its wet type preparation method |
| CN108364743A (en) * | 2018-04-17 | 2018-08-03 | 中国人民解放军陆军勤务学院 | A kind of three-phase magnetorheological fluid and preparation method thereof |
| CN108587743A (en) * | 2018-04-17 | 2018-09-28 | 中国人民解放军陆军勤务学院 | A kind of magnetorheological glue and preparation method thereof |
| CN108492955A (en) * | 2018-04-23 | 2018-09-04 | 谢新昇 | A kind of preparation method of the compound magnetorheological fluid of colloid modified carbonyl iron powder |
| CN108641687A (en) * | 2018-05-29 | 2018-10-12 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Magnetorheological temporarily stifled liquid of one kind and preparation method thereof |
| CN109745285A (en) * | 2019-03-04 | 2019-05-14 | 金陵科技学院 | A kind of triple responsive nano hydrogels of magnetism/temperature/pH and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| JIANJIAN YANG: "Oil organogel system for magnetorheological fluid", 《COMMUNICATION》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112837882A (en) * | 2021-01-07 | 2021-05-25 | 湘潭大学 | Magnetorheological gel flexible grinding wheel |
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