CN103725046A - Graphene dispersion liquid and preparation method thereof - Google Patents
Graphene dispersion liquid and preparation method thereof Download PDFInfo
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Abstract
The invention relates to a graphene dispersion liquid and a preparation method thereof. The graphene dispersion liquid comprises graphene, a dispersant and a solvent. The dispersant is polyoxyethylated castor oil. Through use of the dispersant in graphene, the graphene dispersion liquid having good dispersibility is prepared. The graphene dispersion liquid has good electrical conductivity and can be used in fields of conductive materials, anti-static materials, electromagnetic shielding materials of electronic products, electrode materials of lithium ion batteries, and microwave absorption materials.
Description
Technical field
The invention belongs to nano-graphite Material Field, be specifically related to graphene dispersing solution of a kind of energy stable dispersion and preparation method thereof.
Background technology
Graphene is another Novel Carbon Nanomaterials after the existing carbon nanotube of secondary.Since within 2004, finding, Graphene is people's study hotspot always, it is comprised of monolayer carbon atom, has good machinery, electricity, calorifics and optical characteristics, in battery material, energy storage material, electron device, prepare composite, is with a wide range of applications.
Yet how to keep effective dispersion of Graphene when application is also a difficult problem urgently to be resolved hurrily.Because grapheme material surface is inert condition, chemical stability is high, a little less than the interaction of other media, and between graphite flake, has compared with strong van der Waals interaction and easily assembles.Graphene poor dispersiveness in polar solvent has limited its practical application in electronic material, prepare composite.At present, the efficient dispersion of Graphene is the important technology of Graphene application process.
At present, the common employing of Graphene directly adds the method for dispersion agent to disperse, and the dispersion agent of employing is as Sodium dodecylbenzene sulfonate, polyvinylpyrrolidone etc., and dispersion effect is unsatisfactory, and the Graphene stability of dispersion is also poor, and affects its conductivity.
Summary of the invention
In order to overcome the shortcoming of prior art, the invention provides a kind of dispersion liquid of the Graphene by Graphene, dispersion agent and solvent composition, the polyoxyethylenated castor oil in this dispersion liquid makes graphene dispersing solution good stability, is uniformly dispersed, can preserves for a long time.
Another object of the present invention is to provide a kind of simple preparation method of above-mentioned graphene dispersing solution.
Object of the present invention can reach by following measures:
A graphene dispersing solution, this dispersion liquid is by Graphene, dispersion agent and solvent composition;
Wherein, dispersion agent is selected from: polyoxyethylenated castor oil;
Solvent is selected from: water, methyl alcohol, ethanol, n-propyl alcohol, Virahol, sec-butyl alcohol, propyl carbinol, isopropylcarbinol, the trimethyl carbinol, ethylene glycol, propylene glycol, acetone, methylethylketone, mibk, pimelinketone, isophorone, diacetone alcohol, metacetone, methyl propyl ketone, vinyl acetic monomer, n-butyl acetate, isobutyl acetate, the just own ester of acetic acid, acetic acid dissident ester, the positive heptyl ester of acetic acid, acetic acid isocyanate, n-Decyl Acetate, acetic acid isodecyl ester, n-Butyl lactate, turps, pine tar, kautschin, ethylene glycol ethyl ether, butyl glycol ether, ethylene glycol ether acetate, 2-Butoxyethyl acetate, diethylene glycol ether, and butyl glycol ether, diethylene glycol ether acetic ester, Diethylene Glycol monobutyl ether acetate, propylene-glycol ethyl ether, propandiol butyl ether, 1-Methoxy-2-propyl acetate, propylene-glycol ethyl ether acetic ester, propandiol butyl ether acetic ester, dipropylene glycol methyl ether, dipropylene glycol ether, methoxyacetic acid propyl ester, trichloroethane, 2-nitropropane, kerosene, ucon oil, synthetic hydraulic fluid, sherwood oil, normal hexane, isohexane, normal heptane, isoheptane, octane, octane-iso, pentamethylene, hexanaphthene, tetrahydrobenzene, naphthane, DMF, N,N-dimethylacetamide, N-Methyl pyrrolidone, N-ethyl pyrrolidone, 2-Pyrrolidone, NOP, NVP, N-sec.-propyl pyrrolidone, N-lauryl pyrrolidone, N-cyclohexyl pyrrolidone, N-benzyl-pyrrole alkane ketone, NHP, benzene, toluene, dimethylbenzene, trimethylbenzene, solvent naphtha, ethylbenzene, propyl benzene, or one or more in isopropyl benzene.
Graphene dispersing solution of the present invention, when the gross weight of Graphene and dispersion agent and solvent is 100 parts, Graphene is 0.001-10 weight part, and dispersion agent is 0.0002-5 weight part, and all the other are solvent.
Graphene dispersing solution of the present invention, the Graphene that wherein disperseed can be prepared or composite by methods such as mechanically peel method, epitaxy method, heating SiC method, chemical reduction method, chemical cleavage method or CVD methods.
Polyoxyethylenated castor oil has polyoxyethylene segment, both can have good laminating with Graphene, can in organic solvent, have good solubility again.So add the dispersiveness that polyoxyethylenated castor oil can effectively improve Graphene.Meanwhile, polyoxyethylenated castor oil has backbone, can stop or slow down the reunion of Graphene, thereby can further improve the dispersiveness of Graphene, therefore dispersed graphite alkene preferably.
In solvent of the present invention, consider dispersion effect, steady time, range of application, volatility, be preferably one or more in N-Methyl pyrrolidone, N-ethyl pyrrolidone, 2-Pyrrolidone, NOP, NVP, N-sec.-propyl pyrrolidone, N-lauryl pyrrolidone, N-cyclohexyl pyrrolidone, N-benzyl-pyrrole alkane ketone or NHP.Meanwhile, the tackiness agent that the electrode materials of battery is conventional, as PVDF disperses better in above-mentioned several solvents, thus when manufacturing electrode materials preferred above-mentioned several solvents.
The present invention also provides a kind of preparation method of above-mentioned graphene dispersing solution, at 0 ℃ to the mixing temperature lower than the boiling point of solvent, first graphene powder is fully mixed with solvent, after adding again dispersion agent, mix, wherein, when solvent is two or more, mixing temperature is lower than the boiling point of low boiling point solvent.
Wherein, dispersion agent is selected from: polyoxyethylenated castor oil;
Solvent is selected from: water, methyl alcohol, ethanol, n-propyl alcohol, Virahol, sec-butyl alcohol, propyl carbinol, isopropylcarbinol, the trimethyl carbinol, ethylene glycol, propylene glycol, acetone, methylethylketone, mibk, pimelinketone, isophorone, diacetone alcohol, metacetone, methyl propyl ketone, vinyl acetic monomer, n-butyl acetate, isobutyl acetate, the just own ester of acetic acid, acetic acid dissident ester, the positive heptyl ester of acetic acid, acetic acid isocyanate, n-Decyl Acetate, acetic acid isodecyl ester, n-Butyl lactate, turps, pine tar, kautschin, ethylene glycol ethyl ether, butyl glycol ether, ethylene glycol ether acetate, 2-Butoxyethyl acetate, diethylene glycol ether, and butyl glycol ether, diethylene glycol ether acetic ester, Diethylene Glycol monobutyl ether acetate, propylene-glycol ethyl ether, propandiol butyl ether, 1-Methoxy-2-propyl acetate, propylene-glycol ethyl ether acetic ester, propandiol butyl ether acetic ester, dipropylene glycol methyl ether, dipropylene glycol ether, methoxyacetic acid propyl ester, trichloroethane, 2-nitropropane, kerosene, ucon oil, synthetic hydraulic fluid, sherwood oil, normal hexane, isohexane, normal heptane, isoheptane, octane, octane-iso, pentamethylene, hexanaphthene, tetrahydrobenzene, naphthane, DMF, N,N-dimethylacetamide, N-Methyl pyrrolidone, N-ethyl pyrrolidone, 2-Pyrrolidone, NOP, NVP, N-sec.-propyl pyrrolidone, N-lauryl pyrrolidone, N-cyclohexyl pyrrolidone, N-benzyl-pyrrole alkane ketone, NHP, benzene, toluene, dimethylbenzene, trimethylbenzene, solvent naphtha, ethylbenzene, propyl benzene, or one or more in isopropyl benzene.
Graphene dispersing solution of the present invention, when the gross weight of Graphene and dispersion agent and solvent is 100 parts, Graphene is 0.001-10 weight part, and dispersion agent is 0.0002-5 weight part, and all the other are solvent.
In preparation method of the present invention, the specific descriptions for dispersion agent and solvent, see above.
The preparation method of graphene dispersing solution of the present invention for improving its dispersion effect, can carry out mechanical stirring and supersound process after dispersion.
As a kind of graphene dispersing solution with excellent dispersiveness provided by the invention and preparation method thereof, there is following outstanding advantages:
1. improved the dispersiveness of graphite in polar solvent.
2. do not destroy the structure of Graphene, thereby can keep excellent electroconductibility.
3. preparation method directly adds dispersion agent, simple, fast.
4. compared with prior art, dispersion agent cheaper used, and easily buy.
A kind of graphene dispersing solution provided by the invention can be used as conductive additive, is widely used in the electromagnetic shielding material of electro-conductive material, antistatic material, electronic product, fields such as the electrode materials of lithium ion battery, microwave absorbing materials.
Accompanying drawing explanation
Fig. 1 is the dispersion liquid of Graphene in embodiment.The numbering of the corresponding embodiment of numbering on each dispersion liquid.In figure, can be observed prepared product and in solvent, there is good dispersion stabilization.
Fig. 2 is the dispersion liquid of Graphene in comparative example.The numbering of the corresponding comparative example of numbering on each dispersion liquid.In figure, can be observed the prepared product of comparative example 1 dispersion stabilization in NMP poor, the prepared product dispersion stabilization in NMP of comparative example 2 is better.
Embodiment
Illustrate by the following examples the present invention, but the present invention is not subject to any restriction of these embodiment.
Related concrete pharmaceutical chemicals in the present invention:
Natural graphite powder: 1500 orders.Shanghai Yi Fan graphite company limited.
V-Brite B, potassium hyposulfite, sodium bisulfite, Potassium hydrogen sulfite, Sulfothiorine, Potassium Thiosulphate, sodium hydroxide, potassium hydroxide, sodium ascorbate, potassium ascorbate, iron powder, aluminium powder or hydrazine hydrate.Potassium permanganate, SODIUMNITRATE, the vitriol oil, hydrochloric acid.Vinylidene, cobalt acid lithium.Traditional Chinese medicines.
Polyoxyethylenated castor oil, polyvinylpyrrolidone.N-Methyl pyrrolidone, N-ethyl pyrrolidone, ethylene glycol, benzene.Aladdin.
Testing method:
1. dispersiveness characterizes:
(1) prepared product is scattered in polar solvent, through 10 minutes ultrasonic wave, disperses, after standing 7 days, judge its dispersiveness.
2. film resiativity:
After prepared product and cobalt acid lithium, vinylidene and NMP are uniformly mixed into slurry in proportion, make film and dry.In order to guarantee the mobility of slurry and to control thickness, be 30-40 micron, can suitably adjust the usage quantity of NMP.With low-resistance meter (MCP-T610, Mitsubishi Chemical Corporation), measure the volume specific resistance of film.Film resiativity can embody the dispersiveness of this product in slurry.
Wherein, the mass ratio of each component of slurry is:
(Graphene+dispersion agent): vinylidene: cobalt acid lithium: NMP=3:5:100:100.
The preparation method of Graphene:
(1) preparation of graphite oxide: starting material are 1500 object natural graphite powder (Shanghai Yi Fan graphite company limiteds), the vitriol oil of 220ml of 98%, 3.5g SODIUMNITRATE, 21g potassium permanganate; Above-mentioned substance is joined in 10g natural graphite powder, in ice bath, mixed solution is stirred 1 hour, the temperature of mixed solution is controlled to 20 ° of C or following.Above-mentioned mixed solution is taken out, in 35 ° of C water-baths, react while stirring 4 hours; Add after 500ml deionized water, the suspension obtaining is reacted 15 minutes at 90 ° of C.Finally, add 600ml deionized water and 50ml hydrogen peroxide, carry out obtaining graphene oxide dispersion liquid after reaction in 5 minutes.While hot the dispersion liquid obtaining is filtered, with dilute hydrochloric acid solution, wash out metal ion, with deionized water eccysis acid, repeat to wash until pH value is 7, prepare graphene oxide gel.In the graphene oxide gel preparing, the elemental ratio of Sauerstoffatom and carbon atom is 0.53.(2) preparation of graphene oxide: graphite oxide is diluted with deionized water, make the dispersion liquid that concentration is 5mg/ml, after supersound process, obtain the mono-layer graphite oxide alkene dispersion liquid that filemot homogeneous disperses.(3) preparation of single-layer graphene: 500ml mono-layer graphite oxide alkene dispersion liquid and 10g Ortho-Aminophenol reductive agent are mixed, and back flow reaction is 18 hours under 120 ℃, magnetic agitation, filters, washing, obtains black product and is single-layer graphene gel.Put into again freeze drier lyophilize 48h, can obtain graphene powder.
Under 25 ℃ of conditions, 40mg graphene powder is fully mixed with 40gN-methyl-2-pyrrolidone (NMP), then add after 10mg polyoxyethylenated castor oil, mix.
Dispersion stable disperses can reach more than one week.Film resiativity is in Table 1.
Under 25 ℃ of conditions, 4mg graphene powder is fully mixed with 400gN-methyl-2-pyrrolidone (NMP), then add after 1mg polyoxyethylenated castor oil, mix.
Dispersion stable disperses can reach more than one week.Film resiativity is in Table 1.
Embodiment 3
Under 25 ℃ of conditions, 4g graphene powder is fully mixed with 34gN-methyl-2-pyrrolidone (NMP), then add after 2g polyoxyethylenated castor oil, mix.
Dispersion stable disperses can reach more than one week.Film resiativity is in Table 1.
Embodiment 4
Under 40 ℃ of conditions, 40mg graphene powder is fully mixed with 40gN-methyl-2-pyrrolidone (NMP), then add after 10mg polyoxyethylenated castor oil, mix.
Dispersion stable disperses can reach more than one week.Film resiativity is in Table 1.
Under 25 ℃ of conditions, 40mg graphene powder is fully mixed with 40gN-methyl-2-pyrrolidone (NMP), then add after 10mg polyoxyethylenated castor oil, mix, and supersound process 10min, mechanical stirring 10min.
Dispersion stable disperses can reach more than one week.Film resiativity is in Table 1.
Under 25 ℃ of conditions, 40mg graphene powder is fully mixed with 40gN-ethyl pyrrolidone (NEP), then add after 10mg polyoxyethylenated castor oil, mix.
Dispersion stable disperses can reach more than one week.Film resiativity is in Table 1.
Embodiment 7
Under 25 ℃ of conditions, 40mg graphene powder is fully mixed with 40g ethylene glycol (EG), then add after 10mg polyoxyethylenated castor oil, mix.
Dispersion stable disperses can reach more than one week.Film resiativity is in Table 1.
Embodiment 8
Under 25 ℃ of conditions, 40mg graphene powder is fully mixed with 40g benzene, then add after 10mg polyoxyethylenated castor oil, mix.
Dispersion stable disperses can reach more than one week.Film resiativity is in Table 1.
Under 25 ℃ of conditions, 40mg graphene powder is fully mixed with 40g water, then add after 10mg polyoxyethylenated castor oil, mix.
Dispersion stable disperses can reach more than one week.Film resiativity is in Table 1.
Comparative example 1
Under 25 ℃ of conditions, 40mg graphene powder is fully mixed with 40gN-methyl-2-pyrrolidone (NMP).
Dispersion liquid cannot stable dispersion 3 days.Film resiativity is in Table 1.
Comparative example 2
Under 25 ℃ of conditions, 40mg graphene powder is fully mixed with 40gN-methyl-2-pyrrolidone (NMP), then add after 10mg polyvinylpyrrolidone, mix.
Dispersion stable disperses can reach more than one week, but conductivity raising is limited.Film resiativity is in Table 1.
Table 1 product performance are summed up
Claims (6)
1. a graphene dispersing solution, is characterized in that: this dispersion liquid is by Graphene, dispersion agent and solvent composition;
Wherein, dispersion agent is selected from: polyoxyethylenated castor oil;
Solvent is selected from: water, methyl alcohol, ethanol, n-propyl alcohol, Virahol, sec-butyl alcohol, propyl carbinol, isopropylcarbinol, the trimethyl carbinol, ethylene glycol, propylene glycol, acetone, methylethylketone, mibk, pimelinketone, isophorone, diacetone alcohol, metacetone, methyl propyl ketone, vinyl acetic monomer, n-butyl acetate, isobutyl acetate, the just own ester of acetic acid, acetic acid dissident ester, the positive heptyl ester of acetic acid, acetic acid isocyanate, n-Decyl Acetate, acetic acid isodecyl ester, n-Butyl lactate, turps, pine tar, kautschin, ethylene glycol ethyl ether, butyl glycol ether, ethylene glycol ether acetate, 2-Butoxyethyl acetate, diethylene glycol ether, Diethylene Glycol butyl ether, diethylene glycol ether acetic ester, Diethylene Glycol monobutyl ether acetate, propylene-glycol ethyl ether, propandiol butyl ether, 1-Methoxy-2-propyl acetate, propylene-glycol ethyl ether acetic ester, propandiol butyl ether acetic ester, dipropylene glycol methyl ether, dipropylene glycol ether, methoxyacetic acid propyl ester, trichloroethane, 2-nitropropane, kerosene, ucon oil, synthetic hydraulic fluid, sherwood oil, normal hexane, isohexane, normal heptane, isoheptane, octane, octane-iso, pentamethylene, hexanaphthene, tetrahydrobenzene, naphthane, DMF, N,N-dimethylacetamide, N-Methyl pyrrolidone, N-ethyl pyrrolidone, 2-Pyrrolidone, NOP, NVP, N-sec.-propyl pyrrolidone, N-lauryl pyrrolidone, N-cyclohexyl pyrrolidone, N-benzyl-pyrrole alkane ketone, NHP, benzene, toluene, dimethylbenzene, trimethylbenzene, solvent naphtha, ethylbenzene, propyl benzene, or one or more in isopropyl benzene.
2. graphene dispersing solution according to claim 1, is characterized in that: when the gross weight of Graphene and dispersion agent and solvent is 100 parts, Graphene is 0.001-10 weight part, and dispersion agent is 0.0002-5 weight part, and all the other are solvent.
3. graphene dispersing solution according to claim 1 and 2, is characterized in that: described solvent is selected from: one or more in N-Methyl pyrrolidone, N-ethyl pyrrolidone, 2-Pyrrolidone, NOP, NVP, N-sec.-propyl pyrrolidone, N-lauryl pyrrolidone, N-cyclohexyl pyrrolidone, N-benzyl-pyrrole alkane ketone or NHP.
4. a preparation method who prepares the graphene dispersing solution described in claim 1 or 2, it is characterized in that: at 0 ℃ to the mixing temperature lower than the boiling point of solvent, first graphene powder is fully mixed with solvent, after adding again dispersion agent, mix, wherein, when solvent is two or more, mixing temperature is lower than the boiling point of low boiling point solvent;
Wherein, dispersion agent is selected from: polyoxyethylenated castor oil;
Solvent is selected from: water, methyl alcohol, ethanol, n-propyl alcohol, Virahol, sec-butyl alcohol, propyl carbinol, isopropylcarbinol, the trimethyl carbinol, ethylene glycol, propylene glycol, acetone, methylethylketone, mibk, pimelinketone, isophorone, diacetone alcohol, metacetone, methyl propyl ketone, vinyl acetic monomer, n-butyl acetate, isobutyl acetate, the just own ester of acetic acid, acetic acid dissident ester, the positive heptyl ester of acetic acid, acetic acid isocyanate, n-Decyl Acetate, acetic acid isodecyl ester, n-Butyl lactate, turps, pine tar, kautschin, ethylene glycol ethyl ether, butyl glycol ether, ethylene glycol ether acetate, 2-Butoxyethyl acetate, diethylene glycol ether, and butyl glycol ether, diethylene glycol ether acetic ester, Diethylene Glycol monobutyl ether acetate, propylene-glycol ethyl ether, propandiol butyl ether, 1-Methoxy-2-propyl acetate, propylene-glycol ethyl ether acetic ester, propandiol butyl ether acetic ester, dipropylene glycol methyl ether, dipropylene glycol ether, methoxyacetic acid propyl ester, trichloroethane, 2-nitropropane, kerosene, ucon oil, synthetic hydraulic fluid, sherwood oil, normal hexane, isohexane, normal heptane, isoheptane, octane, octane-iso, pentamethylene, hexanaphthene, tetrahydrobenzene, naphthane, DMF, N,N-dimethylacetamide, N-Methyl pyrrolidone, N-ethyl pyrrolidone, 2-Pyrrolidone, NOP, NVP, N-sec.-propyl pyrrolidone, N-lauryl pyrrolidone, N-cyclohexyl pyrrolidone, N-benzyl-pyrrole alkane ketone, NHP, benzene, toluene, dimethylbenzene, trimethylbenzene, solvent naphtha, ethylbenzene, propyl benzene, or one or more in isopropyl benzene.
5. the preparation method of graphene dispersing solution according to claim 4, is characterized in that: when the gross weight of Graphene and dispersion agent and solvent is 100 parts, Graphene is 0.001-10 weight part, and dispersion agent is 0.0002-5 weight part, and all the other are solvent.
6. according to the preparation method of the graphene dispersing solution described in claim 4 or 5, it is characterized in that: described solvent is selected from: one or more in N-Methyl pyrrolidone, N-ethyl pyrrolidone, 2-Pyrrolidone, NOP, NVP, N-sec.-propyl pyrrolidone, N-lauryl pyrrolidone, N-cyclohexyl pyrrolidone, N-benzyl-pyrrole alkane ketone or NHP.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102013477A (en) * | 2010-11-10 | 2011-04-13 | 河北力滔电池材料有限公司 | Method for preparing lithium iron phosphate/carbon composite material of lithium ion battery |
| CN102180458A (en) * | 2011-03-25 | 2011-09-14 | 深圳市贝特瑞纳米科技有限公司 | Nano-carbon material dispersion liquid and preparation method and equipment thereof |
-
2012
- 2012-10-12 CN CN201210385555.3A patent/CN103725046A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102013477A (en) * | 2010-11-10 | 2011-04-13 | 河北力滔电池材料有限公司 | Method for preparing lithium iron phosphate/carbon composite material of lithium ion battery |
| CN102180458A (en) * | 2011-03-25 | 2011-09-14 | 深圳市贝特瑞纳米科技有限公司 | Nano-carbon material dispersion liquid and preparation method and equipment thereof |
Non-Patent Citations (2)
| Title |
|---|
| 孙阿惠等: "聚氧乙烯型表面活性剂的研究进展", 《中国洗涤用品工业》 * |
| 魏伟等: "高浓度石墨烯水系 分散液及其气液界面自组装膜", 《新型炭材料》 * |
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