CN109295490A - A kind of Ni ferrite electrophoresis suspensioning liquid and its preparation method and application - Google Patents
A kind of Ni ferrite electrophoresis suspensioning liquid and its preparation method and application Download PDFInfo
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- CN109295490A CN109295490A CN201811414909.6A CN201811414909A CN109295490A CN 109295490 A CN109295490 A CN 109295490A CN 201811414909 A CN201811414909 A CN 201811414909A CN 109295490 A CN109295490 A CN 109295490A
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- ferrite
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D13/00—Electrophoretic coating characterised by the process
- C25D13/02—Electrophoretic coating characterised by the process with inorganic material
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Abstract
The invention discloses a kind of Ni ferrite electrophoresis suspensioning liquid and its preparation method and application, the Ni ferrite electrophoresis suspensioning liquid specifically includes NixFe3‑xO4, wherein 0.5≤x≤1.The Ni ferrite electrophoresis suspensioning liquid is made through two steps, including NixFe3‑xO4The synthesis of powder and NixFe3‑xO4The dispersion of powder suspends.The Ni ferrite electrophoresis suspensioning liquid that the present invention prepares volume has positive charge, disperses thorough, digestion time length, zeta current potential > 40mV, has high stability, and preparation process is simple, at low cost.
Description
Technical field
The invention belongs to colloid chemistry and electrophoretic techniques fields, are related to electrophoretic deposition coating technology, and in particular to a kind of nickel
Ferrite electrophoresis suspensioning liquid and its preparation method and application.
Background technique
Electrophoretic deposition is a kind of material coating technology of preparing of extensive application, and principle is in the outstanding of particle charge lotus
It is passed through electric field in supernatant liquid, charged particle polar movement and deposits on the electrode round about under electric field action, is formed uniform
Film layer, thickness can be in the range of 0.2 μm~200 μm.Its advantage has that coating layer thickness is controllable, stoichiometric ratio is accurate, equipment
Simply, it is not limited by substrate shape.The characteristic of electrophoresis suspensioning liquid, such as stability are the key factors for determining coating performance.Cause
The high electrophoresis suspensioning liquid of this preparation stability is particularly critical.
NixFe3-xO4It is a kind of Ferrite Material, has huge application inhaling the fields such as wave, microwave, but up to the present still
It is not applied to electrophoresis suspensioning liquid.
Summary of the invention
The technical issues of solution: the purpose of the invention is to overcome the deficiencies of existing technologies, it is high to obtain a kind of stability
Electrophoresis suspensioning liquid, and develop a kind of by NixFe3-xO4Method as electrophoresis suspensioning liquid, the present invention provides a kind of ferronickel oxygen
Body electrophoresis suspensioning liquid and its preparation method and application.
Technical solution: in order to achieve the above objectives, the technical solution adopted by the present invention is that:
A kind of Ni ferrite electrophoresis suspensioning liquid, the electrophoresis suspensioning liquid specifically include NixFe3-xO4Solid phase, wherein 0.5≤x
≤1。
The NixFe3-xO4The mass fraction range that solid phase accounts for electrophoresis suspensioning liquid is 1~10%.
A kind of preparation method of Ni ferrite electrophoresis suspensioning liquid comprising the steps of:
Step 1, chemical coprecipitation synthesize NixFe3-xO4Powder, the powder diameter are 30nm~300nm；
Step 2 uses toluene/ethanol/isopropanol for solvent, under the conditions of 5~45 DEG C, by NixFe3-xO4Powder is scattered in
In above-mentioned solvent, castor oil is added, and pH value is adjusted to 5~6 by glacial acetic acid, cooperative mechanical stirring and sonic oscillation dispersion are equal
It is even.
Wherein, NixFe3-xO4The specific preparation step of powder are as follows: by FeCl3And NiCl2It is added in deionized water, is added dropwise
NaOH generates precipitating, and precipitating washed, dry, 650~1050 DEG C of heat treatments can be prepared by.
The NixFe3-xO4Powder is the spheric granules of regular morphology, no miscellaneous phase, without adhesion between particle.
It is further preferred that the volume ratio range of the toluene/ethanol/isopropanol solvent is 1.0:1.0:1.0~1.0:
2.5:3.0。
It is further preferred that the volume percent range that the castor oil accounts for suspension is 0.2~3%.
It is further preferred that Loading sequence described in step 2 is toluene/ethanol/isopropanol, NixFe3-xO4Powder, castor-oil plant
Oil, glacial acetic acid.
It is further preferred that mechanical stirring time described in step 2 is 15~60min, the sonic oscillation time is 20
~100min.
Ni ferrite electrophoresis suspensioning liquid of the present invention is in substrate surface layer plated film and/or dispersion and grain to fine powder
Application in degree analysis.
The utility model has the advantages that (1) electrophoresis suspensioning liquid of the present invention is uniformly dispersed, thorough, digestion time is long, and Zeta potential >
40mV；(2) electrophoresis suspensioning liquid stability of the present invention is high；(3) the method for the invention simple process, at low cost.
Detailed description of the invention
Fig. 1 is the Ni that granularity is 300nm0.5Fe2.5O4The shape appearance figure of powder；
Fig. 2 is the NiFe that granularity is 30nm2O4Grain size analysis diagram；
Fig. 3 is Examples 1 to 3 electrophoresis suspensioning liquid digestion time measurement figure；
Fig. 4 is Examples 1 to 3 electrophoresis suspensioning liquid Zeta potential measurement figure.
Specific embodiment
Following embodiment further illustrates the contents of the present invention, but should not be construed as limiting the invention.Without departing substantially from
In the case where spirit of that invention and essence, to modification made by the method for the present invention, step or condition and replaces, belong to the present invention
Range.Unless otherwise specified, the conventional means that technological means used in embodiment is well known to those skilled in the art.
Embodiment 1
A kind of Ni ferrite electrophoresis suspensioning liquid, the electrophoresis suspensioning liquid include NixFe3-xO4Solid phase, wherein x=1.
The NiFe2O4The mass fraction range that solid phase accounts for electrophoresis suspensioning liquid is 1%.
A kind of preparation method of Ni ferrite electrophoresis suspensioning liquid comprising the steps of:
Step 1, chemical coprecipitation synthesize NiFe2O4Powder, powder diameter are 30nm or so, as shown in Figure 2；
Step 2 uses toluene/ethanol/isopropanol for solvent, under the conditions of 5 DEG C, by NiFe2O4Powder is scattered in above-mentioned molten
In agent, castor oil is added, and pH value is adjusted to 5 by glacial acetic acid, cooperative mechanical stirring and sonic oscillation are uniformly dispersed.
Wherein, the NiFe2O4The specific preparation step of powder are as follows: by FeCl3And NiCl21:1 mixing in molar ratio is added
In deionized water, NaOH is added dropwise and generates precipitating, precipitating washed, dry, 650 DEG C of heat treatments can be prepared by.
The NiFe2O4Powder is the spheric granules of regular morphology, no miscellaneous phase, without adhesion between particle.
The volume ratio of the toluene/ethanol/isopropanol solvent is 1.0:1.0:1.0.
The percentage by volume that the castor oil accounts for suspension is 0.2%.
The Loading sequence of the step 2 is toluene/ethanol/isopropanol, NiFe2O4Powder, castor oil, glacial acetic acid.
10~60min of mechanical stirring, sonic oscillation 100min in the step 2.
After preparation, sealed package is stored refrigerated.
The present embodiment is the utility model has the advantages that NiFe2O4Particle is positively charged, monodisperse；As shown in S-1 in Fig. 4, zeta current potential is
55mV；As shown in S-1 in Fig. 3, digestion time 48h.
Embodiment 2
A kind of Ni ferrite electrophoresis suspensioning liquid, the electrophoresis suspensioning liquid specifically include NixFe3-xO4Solid phase, wherein x=0.8.
The Ni0.8Fe2.2O4The mass fraction range that solid phase accounts for electrophoresis suspensioning liquid is 5%.
A kind of preparation method of Ni ferrite electrophoresis suspensioning liquid comprising the steps of:
Step 1, chemical coprecipitation synthesize Ni0.8Fe2.2O4Powder, powder diameter 150nm；
Step 2 uses toluene/ethanol/isopropanol for solvent, under the conditions of 30 DEG C, by Ni0.8Fe2.2O4Powder is scattered in
In above-mentioned solvent, castor oil is added, and pH value is adjusted to 5.5 by glacial acetic acid, cooperative mechanical stirring and sonic oscillation dispersion are equal
It is even.
Wherein, the Ni0.8Fe2.2O4The specific preparation step of powder are as follows: by FeCl3And NiCl211:4 is mixed in molar ratio
It is added in deionized water, NaOH is added dropwise and generates precipitating, precipitating washed, dry, 950 DEG C of heat treatments can be prepared by.
The Ni0.8Fe2.2O4Powder is the spheric granules of regular morphology, no miscellaneous phase, without adhesion between particle.
The volume ratio of the toluene/ethanol/isopropanol solvent is 1.0:1.5:2.0.
The percentage by volume that the castor oil accounts for suspension is 1%.
The Loading sequence of the step 2 is toluene/ethanol/isopropanol, Ni0.8Fe2.2O4Powder, castor oil, glacial acetic acid.
Mechanical stirring 30min, sonic oscillation 50min in the step 2.
After preparation, sealed package is stored refrigerated.
The present embodiment is the utility model has the advantages that Ni0.8Fe2.2O4Particle is positively charged, monodisperse；As shown in S-2 in Fig. 4, zeta electricity
Position is 45mV；As shown in S-2 in Fig. 3, digestion time 42h.
Embodiment 3
A kind of Ni ferrite electrophoresis suspensioning liquid, the electrophoresis suspensioning liquid specifically include NixFe3-xO4Solid phase, wherein x=0.5.
The Ni0.5Fe2.5O4The mass fraction range that solid phase accounts for electrophoresis suspensioning liquid is 10%.
A kind of preparation method of Ni ferrite electrophoresis suspensioning liquid comprising the steps of:
Step 1, chemical coprecipitation synthesize Ni0.5Fe2.5O4Powder, powder diameter are 300nm or so, as shown in Figure 1；
Step 2 uses toluene/ethanol/isopropanol for solvent, under the conditions of 45 DEG C, by Ni0.5Fe2.5O4Powder is scattered in
In above-mentioned solvent, castor oil is added, and pH value is adjusted to 6 by glacial acetic acid, cooperative mechanical stirring and sonic oscillation are uniformly dispersed.
Wherein, Ni0.5Fe2.5O4The specific preparation step of powder are as follows: by FeCl3And NiCl25:1 mixing in molar ratio is added
In deionized water, NaOH is added dropwise and generates precipitating, precipitating washed, dry, 1050 DEG C of heat treatments can be prepared by.
The Ni0.5Fe2.5O4Powder is the spheric granules of regular morphology, no miscellaneous phase, without adhesion between particle.
The volume ratio of the toluene/ethanol/isopropanol solvent is 1.0:2.5:3.0.
The percentage by volume that the castor oil accounts for suspension is 3%.
The Loading sequence of the step 2 is toluene/ethanol/isopropanol, Ni0.5Fe2.5O4Powder, castor oil, glacial acetic acid.
Mechanical stirring 15min, sonic oscillation 20min in the step 2.
After preparation, sealed package is stored refrigerated.
The present embodiment is the utility model has the advantages that Ni0.5Fe2.5O4 particle is positively charged, monodisperse；As shown in S-3 in Fig. 4, zeta
Current potential is 40mV；As shown in S-3 in Fig. 3, digestion time 38h.
Claims (10)
1. a kind of Ni ferrite electrophoresis suspensioning liquid, which is characterized in that the electrophoresis suspensioning liquid includes NixFe3-xO4Solid phase, wherein
0.5≤x≤1。
2. Ni ferrite electrophoresis suspensioning liquid according to claim 1, which is characterized in that the NixFe3-xO4Solid phase accounts for electrophoresis
The mass fraction range of suspension is 1~10%.
3. a kind of preparation method of Ni ferrite electrophoresis suspensioning liquid according to claim 1 or 2, which is characterized in that include
Following steps:
Step 1, chemical coprecipitation synthesize NixFe3-xO4Powder, partial size are 30nm~300nm；
Step 2 uses toluene/ethanol/isopropanol for solvent, under the conditions of 5~45 DEG C, by NixFe3-xO4Powder is scattered in described
In solvent, castor oil is added, and pH value is adjusted to 5~6 by glacial acetic acid, cooperative mechanical stirring and sonic oscillation are uniformly dispersed.
4. the preparation method of Ni ferrite electrophoresis suspensioning liquid according to claim 3, which is characterized in that the NixFe3-xO4
The specific preparation step of powder are as follows: by FeCl3And NiCl2Be added deionized water in, be added dropwise NaOH generate precipitating, precipitate it is washed,
Dry, 650~1050 DEG C of heat treatments can be prepared by.
5. the preparation method of Ni ferrite electrophoresis suspensioning liquid according to claim 3, which is characterized in that NixFe3-xO4Powder
For the spheric granules of regular morphology.
6. the preparation method of Ni ferrite electrophoresis suspensioning liquid according to claim 3, which is characterized in that the toluene/second
Alcohol/isopropanol solvent volume ratio range is 1.0:1.0:1.0~1.0:2.5:3.0.
7. the preparation method of Ni ferrite electrophoresis suspensioning liquid according to claim 3, which is characterized in that the castor oil accounts for
The volume percent range of suspension is 0.2~3%.
8. a kind of preparation method of electrophoresis suspensioning liquid according to claim 3, which is characterized in that the Loading sequence of step 2
For toluene/ethanol/isopropanol, NixFe3-xO4Powder, castor oil, glacial acetic acid.
9. a kind of preparation method of electrophoresis suspensioning liquid according to claim 3, which is characterized in that machinery described in step 2
Mixing time is 15~60min, the sonic oscillation time is 20~100min.
10. Ni ferrite electrophoresis suspensioning liquid described in claim 1 in substrate surface layer plated film and/or to the dispersion of fine powder and
Application in grain size analysis.
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| CN103305784A (en) * | 2013-06-27 | 2013-09-18 | 中国铝业股份有限公司 | Preparation method of spherical spinel powder for thermal spraying |
| CN103755336A (en) * | 2014-02-20 | 2014-04-30 | 湖南大学 | Preparation method of nanometer ferrite particles |
| CN105152841A (en) * | 2015-09-25 | 2015-12-16 | 中北大学 | Low-temperature-freezing magnetic separation method and device for long-chain alkene and long-chain alkane mixture |
| CN107059095A (en) * | 2017-06-04 | 2017-08-18 | 吴龙秀 | A kind of compound electrophoresis suspensioning liquid and preparation method thereof |
| CN107099818A (en) * | 2017-04-27 | 2017-08-29 | 西北师范大学 | The preparation and application of Ferrite/pucherite composite |
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2018
- 2018-11-26 CN CN201811414909.6A patent/CN109295490A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102580663A (en) * | 2012-02-21 | 2012-07-18 | 上海大学 | Preparation method and application of high magnetic composite material |
| CN103305784A (en) * | 2013-06-27 | 2013-09-18 | 中国铝业股份有限公司 | Preparation method of spherical spinel powder for thermal spraying |
| CN103755336A (en) * | 2014-02-20 | 2014-04-30 | 湖南大学 | Preparation method of nanometer ferrite particles |
| CN105152841A (en) * | 2015-09-25 | 2015-12-16 | 中北大学 | Low-temperature-freezing magnetic separation method and device for long-chain alkene and long-chain alkane mixture |
| CN107099818A (en) * | 2017-04-27 | 2017-08-29 | 西北师范大学 | The preparation and application of Ferrite/pucherite composite |
| CN107059095A (en) * | 2017-06-04 | 2017-08-18 | 吴龙秀 | A kind of compound electrophoresis suspensioning liquid and preparation method thereof |
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