CN106608993A - Graphene-modified epoxidized cis-polybutadiene rubber and preparation method thereof - Google Patents
Graphene-modified epoxidized cis-polybutadiene rubber and preparation method thereof Download PDFInfo
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Abstract
The present invention relates to a graphene-modified epoxidized cis-polybutadiene rubber, wherein a weight ratio of graphene to an epoxidized cis-polybutadiene rubber in the graphene-modified epoxidized cis-polybutadiene rubber is 0.5-20:100. The present invention further provides a graphene-modified epoxidized cis-polybutadiene rubber preparation method, which comprises: dispersing graphene in a solvent to prepare a graphene dispersion liquid, and mixing the graphene dispersion liquid and an epoxidized cis-polybutadiene rubber liquid according to a weight ratio of the graphene to the epoxidized cis-polybutadiene rubber of 0.5-20:100. According to the present invention, the graphene and the epoxidized cis-polybutadiene rubber have good compatibility and are combined according to the specific weight ratio so as to obtain the graphene-modified epoxidized cis-polybutadiene rubber having excellent electrical conductivity.
Description
Technical field
The present invention relates to a kind of Graphene modified epoxy butadiene rubber and preparation method thereof.
Background technology
Epoxidation butadiene rubber refers to that the part unsaturated bond of butadiene rubber is oxidized to form epoxy construction
The butadiene rubber of epoxidation modification.Due to introducing epoxide group, through the butadiene rubber of epoxidation modification
The polarity increase of molecule, intermolecular force strengthen, and show more preferable oil resistivity and air-tightness, and
The compatibility good with other materials, expands its potential range of application.
Although the strand of epoxidation butadiene rubber has the epoxide group of polarity, its specific insulation still compared with
Greatly, need modified just to can be used on conductive rubber material field to which.The grapheme material that latest developments are got up
The characteristics such as the mechanical property with superelevation, high thermal conductivity and high electron mobility.With its with it is rubber combined
The composite for obtaining not only can improve the mechanical property of rubber, also impart the special function of rubber,
Such as anti-static function, conducting function, electro-magnetic screen function, heat conduction function or gas barrier function etc..Stone
The electrical conductivity of black alkene is up to 6000S/cm, and the high aspect ratio of its molecule makes which in the composite
Relatively low content can form effective network, be a kind of preferable conductive filler.However, due to graphite
Alkene is weaker with rubber molecule intermolecular forces, and is easy to aggregation, therefore which disperses poor in rubber matrix,
Cause the conductive effect of modified rubber not ideal enough.
CN104371153A discloses a kind of rubber combined material jointly modified by CNT and Graphene
Material, improves the conductive effect of rubber, and further improves rubber antistatic and radiating effect, prepares
Method is will to be placed in mill by the jointly modified rubber composite proportioning mixing of CNT and Graphene
Roll-in on machine, obtains the blend glue stuff of Graphene, CNT and rubber after vulcanizer tabletting, by plus
Enter the mixing of stearic acid, age resistor, accelerator and sulfur, after sulfuration, obtain Graphene, carbon nano-tube modification
Natural rubber.Wang Qingnian etc. [rubber industry, 2012,59 (11), 650-654] is by mechanical blending method
Composite is prepared using self-control pyrolysis reduction Graphene filling butadiene rubber, and its electric conductivity is carried out
Characterize, when Graphene consumption is 5 parts, the resistivity of composite is 1.8 × 106Ω·cm.With
Although upper two methods technological process is simple, low cost, during which is disadvantageous in that mixed process, stone
The high viscosity of the high specific surface area of black alkene and surface energy and rubber cause Graphene in rubber matrix very
It is difficult to peel off and dispersed, therefore, the electric conductivity lifting of modified rubber is limited.
The content of the invention
It is an object of the invention to provide a kind of high conductive Graphene modified epoxy butadiene rubber
And preparation method thereof.
To achieve these goals, the present invention provides a kind of Graphene modified epoxy butadiene rubber, wherein,
In the Graphene modified epoxy butadiene rubber, the weight ratio of Graphene and epoxidation butadiene rubber is
0.5-20：100.
Present invention also offers a kind of Graphene modified epoxy butadiene rubber, the method includes：By graphite
Alkene is obtained graphene dispersing solution in being scattered in solvent, by the graphene dispersing solution and epoxidation butadiene rubber glue
Liquid is mixed, wherein, the consumption of the graphene dispersing solution and epoxidation butadiene rubber glue is caused,
The weight ratio of Graphene and epoxidation butadiene rubber is 0.5-20：100.
The present invention is by by the Graphene and epoxidation butadiene rubber of specified weight ratio, the two has preferable
The compatibility such that it is able to combine and obtain the excellent Graphene modified epoxy butadiene rubber of electric conductivity.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Specific embodiment
Hereinafter the specific embodiment of the present invention is described in detail.It should be appreciated that this place is retouched
The specific embodiment stated is merely to illustrate and explains the present invention, is not limited to the present invention.
The present invention provides a kind of Graphene modified epoxy butadiene rubber, wherein, the Graphene is modified ring
In oxidation butadiene rubber, the weight ratio of Graphene and epoxidation butadiene rubber is 0.5-20：100.
According to the present invention, the Graphene modified epoxy butadiene rubber may be considered epoxidation along fourth rubber
The mixing thing of glue and Graphene, mainly by being uniformly blended into Graphene in epoxidation butadiene rubber glue
Then it is dried gained.Although Graphene and epoxidation are along fourth in the Graphene modified epoxy butadiene rubber
The weight ratio of rubber is 0.5-20：100 can obtain preferable electric conductivity, in order to obtain performance
More excellent Graphene modified epoxy butadiene rubber, it is preferable that the Graphene modified epoxyization is suitable
In buna, the weight ratio of Graphene and epoxidation butadiene rubber is 5-15：100.
According to the present invention, the Graphene can be commercially available product, it is also possible to by the conventional method in this area
Obtain, such as the preparation method of described Graphene includes：Graphite oxide is mixed in water with dispersant,
And the mixture obtained after mixing is contacted with chemical reducing agent, so that graphene oxide reduction, obtains
To Graphene.
Wherein, the graphite oxide can be by carrying out being obtained graphite after chemical oxidation, usual describedization
The method for learning oxidation includes that Brodie methods, Staudenmaier methods and Hummers methods (include improved
Hummers methods).From the angle for improving reaction efficiency and reaction safety, preferably the oxidation stone
Ink is obtained by improved Hummers methods.Specifically, the preparation process of the graphite oxide can be wrapped
Include：First graphite is contacted with oxidant, mixed system is obtained；Then strong acid solution is slowly added
Enter in the mixed system, the temperature after control is added is not higher than 40 DEG C；After addition terminates, it is warming up to
45-55 DEG C, continue reaction 8-16 hours.Wherein, in order to control the temperature after strong acid solution is added,
Before strong acid solution is added, the mixed system can be placed in ice-water bath.
Wherein, the oxidant can be selected from potassium permanganate and/or sodium nitrate.The strong acid generally can be with
It is concentrated sulphuric acid (concentrated sulphuric acid if concentration is 98 weight %) and/or strong phosphoric acid (if concentration is 85 weight %
Strong phosphoric acid).Preferably, the strong acid is that volume ratio is 5-15:1 concentrated sulphuric acid and strong phosphoric acid.
Wherein, in order to ensure the oxidant of noresidue in obtained graphite oxide, prepare the graphite oxide
Method can also include：After the reaction terminates, the reacted product is contacted with hydrogen peroxide,
Until solution has glassy yellow to generate.Centrifugal drying can be subsequently carried out, to obtain the oxidation stone of drying
Ink.
Wherein, the consumption of the graphite, oxidant, strong acid and hydrogen peroxide can refer to prior art and carry out
Select, will not be described here.
In addition, the graphite oxide can also be by commercially available, such as purchased from Xiamen Kai Na Graphene skills
Product of the trade mark of art company limited for KNG-21.
Wherein, the present invention is not particularly limited to the species of the dispersant, as long as the oxidation can be made
Graphite disperses in water.The generally dispersant can be selected from Sodium Polystyrene Sulfonate, cetyl
Trimethylammonium bromide, fatty alcohol-polyoxyethylene ether, dodecylbenzene sodium sulfonate and dodecyl phenenyl sulfate
In at least one.Preferably, the dispersant is selected from Sodium Polystyrene Sulfonate, DBSA
At least one in sodium and dodecyl phenenyl sulfate, in the case, the phenyl ring in dispersant with it is subsequent
The pi-pi bond of the graphene film interlayer of generation interacts and can further avoid the mutual suction of graphene sheet layer
Draw, coagulation such that it is able to improve dispersibility and stability of the obtained Graphene in water.More preferably
Ground, the dispersant are Sodium Polystyrene Sulfonate.
Wherein, the graphite oxide and the mass ratio of dispersant dosage can be 1:1-20, preferably
1:5-10。
Wherein, in order that the graphite oxide is dispersed in water, the process of mixing can be included oxygen
Graphite ultrasonic disperse 0.5-2 hours in water, are then added thereto to dispersant.
Wherein, the chemical reducing agent can be to prepare the conventional selection of Graphene using oxidation-reduction method,
For example, hydrazine hydrate, sodium borohydride, vitamin C, glucose, p-phenylenediamine and dopamine can be selected from
In at least one.From reduces cost and improve the angle of the Graphene yield, preferably describedization
Reducing agent is hydrazine hydrate.
Wherein, the hydrazine hydrate can be used with concentration as the hydrazine hydrate aqueous solution form of 40-90 weight %.
Wherein, the condition that mixture of the graphite oxide with dispersant in water is contacted with chemical reducing agent does not have
Especially limit, as long as the graphite oxide reduction can be made.Usually, the temperature of the contact can be with
For 80-100 DEG C, the time can be 12-24 hours.
Wherein, in order to Graphene is separated, the preparation method of above-mentioned Graphene can also include
The system containing Graphene and water that contact is obtained is filtered, is dried and washed, to obtain drying
Graphene.The detailed process of filtration, drying and washing here is the conventional selection in this area, and here is not
Repeat again.
, according to the invention it is preferred in the case of, in the Graphene, C and O atom ratio are 85-95:5-15.
According to the present invention, the epoxidation butadiene rubber refers to that the part unsaturated bond of butadiene rubber is oxidized
The butadiene rubber of the epoxidation modification of epoxy construction is formed, as such epoxidation butadiene rubber can be
Commercially available product；Can also be obtained by the conventional method in this area, for example, the epoxidation butadiene rubber
Preparation process includes：In acid condition, butadiene rubber carries out haptoreaction with oxidant.Wherein, carry
For acid condition can be 70-90 weight % aqueous formic acid；As oxidant here can be
The conventional Strong oxdiative thing in this area, peroxide etc., such as hydrogen peroxide；Wherein, butadiene rubber can be with
There is provided as a solution, the toluene solution of such as butadiene rubber.Wherein, butadiene rubber and oxidant etc.
Consumption can be selected according to the epoxy content of required epoxidation butadiene rubber, repeat no more here.
Wherein, the condition for preparing epoxidation butadiene rubber that catalytic condition can adopt this area conventional,
Can for example be 40-60 DEG C, 2-3h.
Under preferable case, the epoxy content of the epoxidation butadiene rubber is 10-60%, more preferably
20-30%.
According to the present invention, above-mentioned Graphene modified epoxy butadiene rubber is due to the Graphene of specified weight ratio
There is and epoxidation butadiene rubber between the preferable compatibility so that the Graphene modified epoxyization of gained is suitable
Buna is excellent, and preferably, such as described Graphene modified epoxy butadiene rubber exists special electric conductivity
Electrical conductivity at 25 DEG C can reach 10-5More than S/m, preferably reaches 10-4More than S/m, preferably reaches
10-3More than S/m, preferably reaches 10-2More than S/m, more preferably up to more than 0.1S/m, most preferably up to
To more than 1S/m (for example, 1-15S/m).
Present invention also offers a kind of Graphene modified epoxy butadiene rubber, the method includes：By graphite
Alkene is obtained graphene dispersing solution in being scattered in solvent, by the graphene dispersing solution and epoxidation butadiene rubber glue
Liquid is mixed, wherein, the consumption of the graphene dispersing solution and epoxidation butadiene rubber glue is caused,
The weight ratio of Graphene and epoxidation butadiene rubber is 0.5-20：100.
According to the present invention, the Graphene, epoxidation butadiene rubber are as described above, and here is not
Repeat again.
, according to the invention it is preferred in the case of, the graphene dispersing solution and epoxidation butadiene rubber glue
Consumption is caused, and the weight ratio of Graphene and epoxidation butadiene rubber is 5-15：100.
According to the present invention, the graphene dispersing solution can adopt the various solvents for being capable of dispersed graphite alkene,
For example disperse the Graphene solvent be water, tetrahydrofuran, ethyl acetate, dioxane, acetone,
One or more in DMF and N-Methyl pyrrolidone, preferably tetrahydrofuran and/
Or water.
According to the present invention, to the content of the Graphene in the graphene dispersing solution, there is no particular limitation,
As long as the Graphene modified epoxy butadiene rubber of the present invention can be obtained, it is preferable that the graphite
The content of the Graphene in alkene dispersion liquid is 1-5mg/mL.
According to the present invention, the epoxidation butadiene rubber glue can be the solution of epoxidation butadiene rubber,
Can also be the emulsion of epoxidation butadiene rubber, there is no particular limitation to this for the present invention, and for the ease of
The epoxidation butadiene rubber glue is mixed homogeneously with graphene dispersing solution, it is preferable that the epoxidation is suitable
The solvent adopted using dispersed graphite alkene by solvent in buna glue.
, according to the invention it is preferred in the case of, the epoxidation in the epoxidation butadiene rubber glue is along fourth rubber
The content of glue is 0.01-0.1g/mL.
Wherein, when employing dispersant, in the case of preparing the method for Graphene, to have using above-mentioned
Part dispersant is remained in Graphene, and this part dispersant can be to be favorably improved Graphene and ring
The compatibility of oxidation butadiene rubber, therefore, the system of the Graphene modified epoxy butadiene rubber of the present invention
In Preparation Method, it is believed which is preferably in the presence of such dispersant by graphene dispersing solution and epoxidation
Butadiene rubber glue is mixed, particularly preferably in the presence of the Sodium Polystyrene Sulfonate as dispersant
Under.
According to the present invention, in order to obtain the more excellent Graphene modified epoxy of electric conductivity along fourth
Rubber, under preferable case, the method also include will mixing gained mixture prior to 20-50 DEG C at be dried
24-50h, is dried 10-15h at 60-80 DEG C.
Hereinafter will be described the present invention by embodiment.
In following preparation example and embodiment, the concentration of concentrated sulphuric acid is 98 weight %, and the concentration of strong phosphoric acid is
85 weight %.
Graphite is purchased from Qingdao Bai Chuan graphite company limited, and the trade mark is LC50-9999.
The epoxy content of epoxidation butadiene rubber by1H-NMR is characterized, and the computing formula of epoxy content E is as follows：
In formula, A (i) is the peak area at chemical shift i.
Preparation example 1
This preparation example is used to illustrate graphite oxide of present invention offer and preparation method thereof.
This experiment prepares graphite oxide using improved Hummers methods, comprises the following steps that：
3g graphite and the mixing of 18g potassium permanganate are added into flask, is slowly added to in flask under ice-water bath
Volume is respectively the mixed solution of the concentrated sulphuric acid and strong phosphoric acid of 360mL and 40mL, solution in control flask
Temperature is 35-40 DEG C, and after adding the reactant liquor is stirred 12 hours at 50 DEG C.It is cooled to room temperature,
Pour reactant liquor into the hydrogen peroxide that 3mL concentration is 30 weight % and the mixed liquor that 400mL frozen water is constituted
In, glassy yellow product is obtained, the product is centrifuged and is vacuum dried, graphite oxide is obtained.
Preparation example 2
This preparation example is used to illustrate Graphene of present invention offer and preparation method thereof.
The graphite oxide 1g of above-mentioned preparation is added to into ultrasonic disperse 1 hour in 1000mL deionized waters,
10g Sodium Polystyrene Sulfonate is subsequently added, the hydrazine hydrate that 1mL concentration is 85 weight % is added water-soluble
Liquid, is heated to 90 DEG C and reacts 24 hours, subsequently product is carried out filtering, washed, be dried to obtain graphite
Alkene, measures its C/O atomic ratio for 92.1 by x-ray photoelectron spectroscopy:7.9.
Preparation example 3
This preparation example is used for the epoxidation butadiene rubber its preparation method for illustrating present invention offer.
In the case where 50 DEG C of stirrings of constant temperature are kept, by 50g butadiene rubbers (the sinopec Beijing Chemical Research Institute Yanshan Mountain
Ten thousand) branch, number-average molecular weight is dissolved in 500mL toluene for 10, is subsequently adding the 88 of 0.1mol
Weight % aqueous formic acid, then 30 weight % aqueous hydrogen peroxide solutions of Deca 0.1mol again.Reaction 2
Neutrality is washed with distilled water to after hour, organic faciess revolving, vacuum drying obtain the ring that epoxy content is 10%
Oxidation butadiene rubber EBR10.
Preparation example 4
This preparation example is used for the epoxidation butadiene rubber its preparation method for illustrating present invention offer.
In the case where 50 DEG C of stirrings of constant temperature are kept, 50g butadiene rubbers (with preparation example 3) are dissolved in into 500mL
In toluene, the 88 weight % aqueous formic acids of 0.2mol are subsequently adding, then the 30 of Deca 0.2mol again
Weight % aqueous hydrogen peroxide solution.Reaction is washed with distilled water to neutrality after 2 hours, organic faciess are rotated,
Vacuum drying obtains the epoxidation butadiene rubber EBR20 that epoxy content is 20%.
Preparation example 5
This preparation example is used for the epoxidation butadiene rubber its preparation method for illustrating present invention offer.
In the case where 50 DEG C of stirrings of constant temperature are kept, 50g butadiene rubbers (with preparation example 3) are dissolved in into 500mL
In toluene, the 88 weight % aqueous formic acids of 0.3mol are subsequently adding, then the 30 of Deca 0.3mol again
Weight % aqueous hydrogen peroxide solution.Reaction is washed with distilled water to neutrality after 2 hours, organic faciess are rotated,
Vacuum drying obtains the epoxidation butadiene rubber EBR30 that epoxy content is 30%.
Preparation example 6
This preparation example is used for the epoxidation butadiene rubber its preparation method for illustrating present invention offer.
In the case where 50 DEG C of stirrings of constant temperature are kept, 50g butadiene rubbers (with preparation example 3) are dissolved in into 500mL
In toluene, the 88 weight % aqueous formic acids of 0.4mol are subsequently adding, then the 30 of Deca 0.4mol again
Weight % aqueous hydrogen peroxide solution.Reaction is washed with distilled water to neutrality after 2 hours, organic faciess are rotated,
Vacuum drying obtains the epoxidation butadiene rubber EBR40 that epoxy content is 40%.
Preparation example 7
This preparation example is used for the epoxidation butadiene rubber its preparation method for illustrating present invention offer.
In the case where 50 DEG C of stirrings of constant temperature are kept, 50g butadiene rubbers (with preparation example 3) are dissolved in into 500mL
In toluene, the 88 weight % aqueous formic acids of 0.5mol are subsequently adding, then the 30 of Deca 0.5mol again
Weight % aqueous hydrogen peroxide solution.Reaction is washed with distilled water to neutrality after 2 hours, organic faciess are rotated,
Vacuum drying obtains the epoxidation butadiene rubber EBR50 that epoxy content is 50%.
Embodiment 1
The embodiment is used for Graphene modified epoxy butadiene rubber and its preparation for illustrating present invention offer
Method.
The graphene dispersion of 0.7g above-mentioned preparation is obtained in tetrahydrofuran graphene dispersing solution (Graphene
Content is 3mg/mL), and be added in tetrahydrofuran solutions of the 200mL dissolved with 10g EBR20, mix
Close it is uniform after, in the drying 48 hours of (about 25 DEG C) of room temperature, then 60 DEG C of forced air dryings 12 hours,
Obtain Graphene modified epoxy butadiene rubber GR20-1.
Embodiment 2
The embodiment is used for Graphene modified epoxy butadiene rubber and its preparation for illustrating present invention offer
Method.
Graphene modified epoxy butadiene rubber is prepared using method same as Example 1, it is different
It is that the consumption of Graphene is that 0.5g is obtained graphene dispersing solution (Graphene content is 4mg/mL), from
And Graphene modified epoxy butadiene rubber GR20-2 is obtained.
Embodiment 3
The embodiment is used for Graphene modified epoxy butadiene rubber and its preparation for illustrating present invention offer
Method.
Graphene modified epoxy butadiene rubber is prepared using method same as Example 1, it is different
It is that the consumption of Graphene is 1g, and drying condition includes elder generation in the drying 45 hours of (about 25 DEG C) of room temperature,
Then 67 DEG C of forced air dryings 11 hours, so as to Graphene modified epoxy butadiene rubber GR20-3 is obtained.
Embodiment 4-22
The embodiment is used for Graphene modified epoxy butadiene rubber and its preparation for illustrating present invention offer
Method.
According to the method for embodiment 1, the epoxidation butadiene rubber for being adopted is shown in Table 1, and epoxy
The consumption for changing butadiene rubber is constant, but the Graphene that is given according to table 1 of the consumption of Graphene and epoxidation
The weight ratio of butadiene rubber is allocated, so as to respectively obtain Graphene modified epoxy butadiene rubber
GR20-4、GR20-5、GR20-6、GR20-7、GR20-8；And GR10-3, GR10-7；GR30-3、
GR30-7、GR30-6；GR40-4、GR40-7、GR40-3；GR50-7、GR50-3、GR50-4.
Comparative example 1
Method according to embodiment 1, except for the difference that, using the Graphene of 10mg, obtains graphite
Alkene modified epoxy butadiene rubber DGR20-1.
Comparative example 2
Method according to embodiment 1, except for the difference that, using the Graphene of 3g, obtains Graphene
Modified epoxy butadiene rubber DGR20-2.
Comparative example 3
Method according to embodiment 1, except for the difference that, is directly adopted as in preparation example 3 without appointing
The isoprene rubber raw material what epoxidation is processed replaces EBR20, so as to DGR is obtained.
Test case 1
Using the rubber in the conductivity test instrument difference measurement table 1 of model 2635A of Keithley companies
The electrical conductivity of glue and modified rubber, test adopt four probe method, and test temperature is 25 DEG C.Acquired results are such as
Shown in table 1.
Table 1
It can be seen from Table 1 that, Graphene modified epoxy butadiene rubber prepared by the present invention has higher
Electric conductivity, the more unmodified epoxidation butadiene rubber of its electrical conductivity improves the 5-10 order of magnitude.
Especially, when the epoxy content of epoxidation butadiene rubber is in the range of 20-30%, Graphene is suitable with epoxidation
The weight ratio of buna is in 5-15:When 100, the Graphene modified epoxy butadiene rubber electrical conductivity is reachable
More than 1S/m.
The preferred embodiment of the present invention described in detail above, but, the present invention is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the present invention, can be to the technical side of the present invention
Case carries out various simple variants, and these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique described in above-mentioned specific embodiment is special
Levy, in the case of reconcilable, can be combined by any suitable means, in order to avoid need not
The repetition wanted, the present invention are no longer separately illustrated to various possible compound modes.
Additionally, combination in any between a variety of embodiments of the present invention, can also be carried out, as long as its
Without prejudice to the thought of the present invention, which should equally be considered as content disclosed in this invention.
Claims (10)
1. a kind of Graphene modified epoxy butadiene rubber, it is characterised in that in the Graphene modified epoxy butadiene rubber, the weight ratio of Graphene and epoxidation butadiene rubber is 0.5-20：100.
2. Graphene modified epoxy butadiene rubber according to claim 1, wherein, in the Graphene modified epoxy butadiene rubber, the weight ratio of Graphene and epoxidation butadiene rubber is 5-15：100.
3. Graphene modified epoxy butadiene rubber according to claim 1 and 2, wherein, the epoxy content of the epoxidation butadiene rubber is 10-60%, preferably 20-30%.
4. the Graphene modified epoxy butadiene rubber according to any one in claim 1-3, wherein, electrical conductivity of the Graphene modified epoxy butadiene rubber at 25 DEG C is 10-5More than S/m.
5. a kind of Graphene modified epoxy butadiene rubber, it is characterised in that the method includes：Graphene dispersing solution is obtained in dispersing graphene in solvent, the graphene dispersing solution is mixed with epoxidation butadiene rubber glue, wherein, the consumption of the graphene dispersing solution and epoxidation butadiene rubber glue is caused, and the weight ratio of Graphene and epoxidation butadiene rubber is 0.5-20：100.
6. method according to claim 5, wherein, the consumption of the graphene dispersing solution and epoxidation butadiene rubber glue is caused, and the weight ratio of Graphene and epoxidation butadiene rubber is 5-15：100.
7. the method according to claim 5 or 6, wherein, the content of the epoxidation butadiene rubber in the epoxidation butadiene rubber glue is 0.01-0.1g/mL；Preferably, the epoxy content of the epoxidation butadiene rubber is 10-60%, more preferably 20-30%.
8. the method according to any one in claim 5-7, wherein, the content of the Graphene in the graphene dispersing solution is 1-5mg/mL.
9. the method according to any one in claim 5-8, wherein, the solvent for disperseing the Graphene is one or more in water, tetrahydrofuran, ethyl acetate, dioxane, acetone, DMF and N-Methyl pyrrolidone.
10. the method according to any one in claim 5-9, wherein, the method also include will mixing gained mixture prior to 20-50 DEG C at be dried 24-50h, be dried 10-15h at 60-80 DEG C.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115181340A (en) * | 2022-06-20 | 2022-10-14 | 中北大学 | Electromagnetic shielding natural rubber for effectively constructing three-dimensional conductive network structure and preparation thereof |
| CN115181340B (en) * | 2022-06-20 | 2023-08-01 | 中北大学 | Electromagnetic shielding natural rubber for effectively constructing three-dimensional conductive network structure and preparation thereof |
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Application publication date: 20170503 |