CN109054710A - A kind of graphene composite material and preparation method and its application as magnetic-conductive adhesive - Google Patents
A kind of graphene composite material and preparation method and its application as magnetic-conductive adhesive Download PDFInfo
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- CN109054710A CN109054710A CN201810732207.6A CN201810732207A CN109054710A CN 109054710 A CN109054710 A CN 109054710A CN 201810732207 A CN201810732207 A CN 201810732207A CN 109054710 A CN109054710 A CN 109054710A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0856—Iron
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
- C08K3/042—Graphene or derivatives, e.g. graphene oxides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
Abstract
The present invention relates to graphene composite material technical fields, provide a kind of graphene composite material and preparation method and its application as magnetic-conductive adhesive and magnetic core, it is intended to which overcome existing magnetic-conductive adhesive and magnetic core does not have microwave absorbing function and the electromagnetic shielding defect that effect is relatively low and efficiency is low.The graphene composite material includes following component: the graphene of 10~100 parts by weight；The liquid metal ion of 5~20 parts by weight；The magnetic powder of 30~60 parts by weight；The microwave absorbing material powder of 10~100 parts by weight；And 50~250 parts by weight adhesive.Wherein, the liquid metal ion includes at least one of the liquid metal ion of iron, the liquid metal ion of cobalt or liquid metal ion of nickel.The graphene composite material shield effectiveness is strong, and screen effect can reach -90~-120DB；With microwave absorbing property, the microwave absorbing property and promotion component functionality efficiency that can be improved in 2~12GHZ wave band reach 15-30%.
Description
Technical field
The present invention relates to graphene composite material technical fields, in particular to a kind of graphene composite material and its
Preparation method and its application as magnetic-conductive adhesive.
Background technique
Magnetic-conductive adhesive is that one kind adds magnetic conduction filler in adhesive, to make material of the adhesive with permeance, often
For industries such as radio and instrument and meters, it is bonded magnetic conductivity component, such as the iron-core coil of magnet steel, transformer, inductor.
Such as the manufacture of small magnetic antenna and digital magnetic tape head (iron nickel niobium permalloy piece) is magnetic conductivity component processing system
One of the critical process for making field is exactly the bonding that must use magnetic-conductive adhesive in addition to needing Precision Machining, precision assembly technique
With sealing technology.For example the bonding requirements bonding of magnetic head is secured, wear-resisting, stress is small, resistivity is high, it is insensitive to temperature change.
Existing magnetic-conductive adhesive additionally incorporates solid mainly using the preferable Epoxy adhesive of adhesive property as basis material
Agent, toughener, carbonyl carbon dust etc. are formulated；High molecular material can also be used, and (such as polystyrene, polyethylene, polypropylene can
Alcohol-soluble phenolic resin) etc., powdered ferrite is added, carbonyl iron dust is formulated.But existing magnetic-conductive adhesive be primarily present with
Lower defect: 1, do not have microwave absorbing function；2, electromagnetic shielding effect is relatively low.Therefore existing magnetic-conductive adhesive is applied to precision
The bonding and encapsulation of magnetic conductivity original part device, constrain the performance boost of magnetic conductivity original part device.
Summary of the invention
The purpose of the present invention is to provide the preparation sides of a kind of graphene composite material and the graphene composite material
Method, while the application method the present invention also provides the graphene composite material as magnetic-conductive adhesive.The graphene is compound
As magnetic-conductive adhesive, can overcome existing magnetic-conductive adhesive does not have microwave absorbing function and is electromagnetically shielded that effect is relatively low to be lacked material
It falls into, greatly improves the quality of magnetic-conductive adhesive, be applied to the manufacture of magnetic conductivity component, and then promote magnetic conductivity component performance.
To achieve the goals above, the present invention the following technical schemes are provided:
On the one hand, the embodiment of the invention provides a kind of graphene composite material, the graphene composite material include with
Lower ingredient:
The graphene of 10~100 parts by weight；
The liquid metal ion of 5~20 parts by weight；
The magnetic powder of 30~60 parts by weight；
The microwave absorbing material powder of 10~100 parts by weight；And
The adhesive of 50~250 parts by weight；
Wherein, the liquid metal ion includes the liquid of the liquid metal ion of iron, the liquid metal ion of cobalt or nickel
At least one of metal ion.
Preferably, the microwave absorbing material powder is selected from one of ferrite powder, carbonyl iron dust and carborundum powder or several
Kind.
Preferably, the microwave absorbing material powder is carbonyl iron dust.
Preferably, the fineness of the carbonyl iron dust is 300~1000 mesh.
Preferably, the adhesive is epoxy resin, and the parts by weight of epoxy resin are 100~150 parts.
Further, the ingredient of the graphene composite material further includes the nickel packet molybdenum disulphide powder of 2~5 parts by weight.
On the other hand, the embodiment of the invention also provides a kind of preparation method of above-mentioned graphene composite material, the systems
Preparation Method the following steps are included:
The graphene and liquid metal ion are weighed or measured according to parts by weight, and is spread mixing, form first
Semi-finished product；
Weigh or measure the magnetic powder, microwave absorbing material powder and adhesive according to parts by weight, and by its ground and mixed, shape
At the second semi-finished product；
First semi-finished product and the second semi-finished product are subjected to dispersion mixing, then grinding 24~48 is small under vacuum conditions
When.
Another aspect, the embodiment of the invention also provides a kind of graphene composite woods for providing any of the above-described technical solution
Expect the application as magnetic-conductive adhesive.
Specifically, the graphene composite material is applied to the bonding of magnetic conductivity component internally and/or externally.
Specifically, the graphene composite material is applied to the encapsulation of magnetic conductivity component.
In another aspect, the embodiment of the invention also provides another graphene composite material, the graphene composite material
Including following component:
The graphene of 10~100 parts by weight；
The liquid metal ion of 5~20 parts by weight；
The magnetic powder of 30~60 parts by weight；And
The microwave absorbing material powder of 10~100 parts by weight；
Wherein, the liquid metal ion includes the liquid of the liquid metal ion of iron, the liquid metal ion of cobalt or nickel
At least one of metal ion.
By inventor test verify, inventor discovery the invention has the following advantages:
1, the graphene composite material is coated in magnetic conductivity component appearance to encapsulate magnetic conductivity component, identical
When electric current flows through the magnetic conductivity component, it can largely reduce its buzzing sound.
2, the graphene composite material is coated on FERRITE CORE so that motor to metallize, its surface can be improved
Hardness, anti-dropping drop impact are strong, durable.
3, the graphene composite material is applied to closing magnetic path structure, such as transformer, motor, closed magnetic circuit
The leakage field of structure is few, is conducive to improve its energy conversion efficiency；And shield effectiveness is strong, screen effect can reach -90~-120DB；
Electromagnetism interference significant effect.
4, the graphene composite material is applied to the bonding and encapsulation of inductor iron core, other conditions and parameter not
In the case where change, the inductance of the inductor can be improved 30~50%.
5, the graphene composite material has microwave absorbing property, can improve in the microwave-absorbing of 2~12GHZ wave band
Energy.
6, it in addition, the graphene composite material to be applied to the bonding and/or encapsulation of magnetic conductivity component, can also inhale
Noise and electromagnetic wave that slsllwwde circuit generates are received, there is high energy storage, the performance of high magnetic permeability, superpower anti-interference ability, work
Temperature range is at -25 DEG C~160 DEG C.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly introduced, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as to model
The restriction enclosed for those of ordinary skill in the art without creative efforts, can also be according to these
Attached drawing obtains other relevant drawings.
Fig. 1 show the preparation method of the graphene composite material provided in embodiment 2.
Fig. 2 (a) is the magnetic field radiation figure for selecting the inductor of existing common magnetic-conductive adhesive.
Fig. 2 (b) is the magnetic field radiation figure for selecting inductor of the graphene composite material as magnetic-conductive adhesive.
Fig. 3 (a) is the filter effect figure for selecting the inductor of existing common magnetic-conductive adhesive.
Fig. 3 (b) is the filter effect figure for selecting inductor of the graphene composite material as magnetic-conductive adhesive.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear and complete
Description.It should be appreciated that specific embodiment described herein is used only for explaining the present invention, it is not intended to limit the present invention.Base
In the embodiment of the present invention, those skilled in the art's every other implementation obtained under the premise of no creative work
Example, belongs to protection scope of the present invention.
Embodiment 1:
A kind of graphene composite material is present embodiments provided, the graphene composite material includes following component:
The graphene of 10~100 parts by weight；
The liquid metal ion of 5~20 parts by weight；
The magnetic powder of 30~60 parts by weight；
The microwave absorbing material powder of 10~100 parts by weight；And
The adhesive of 50~250 parts by weight；
Wherein, the liquid metal ion includes the liquid of the liquid metal ion of iron, the liquid metal ion of cobalt or nickel
At least one of metal ion.
Wherein, more there is the as follows at subassembly of choosing:
The graphene of 30~40 parts by weight；
The liquid metal ion of 8~12 parts by weight；
The magnetic powder of 40~50 parts by weight；
The microwave absorbing material powder of 40~60 parts by weight；And
The adhesive of 100~150 parts by weight.
For example, the microwave absorbing material powder can be selected from one of ferrite powder, carbonyl iron dust and carborundum powder or
It is several.But not limited to this, such as the microwave absorbing material powder can also select complex ferrite powder, metallic ultrafine particle,
Organic high molecular polymer (functional polymer) nano material etc..The selection of above-mentioned material should all fall into protection model of the invention
It encloses.Wherein, the microwave absorbing material powder preferably uses carbonyl iron dust, and the fineness control of carbonyl iron dust is 300~1000 mesh.
For example, the adhesive can be selected from epoxy resin, phenolic resin, Lauxite, melamine-formaldehyde resin, have
Machine silicone resin, furane resins, unsaturated polyester (UP), acrylic resin, polyimides, polybenzimidazoles, phenolic aldehyde-polyvinyl alcohol contracting
Aldehyde, phenolic aldehyde-polyamide, phenolic aldehyde-epoxy resin, this kind of Thermosetting adhesive of epoxy-polyamide, wherein it is preferred that with epoxy resin,
The parts by weight of epoxy resin are 100~150 parts.
For example, the magnetic powder can be selected from iron oxide magnetic powder, chromium dioxide magnetic powder, cobalt-iron oxide magnetic powder and metallic magnetic
One or more of powder.
In addition, can also include the nickel packet molybdenum disulphide powder of 2~5 parts by weight in the ingredient of the graphene composite material.
Nickel packet molybdenum disulphide powder has the characteristics that powder cladding is uniform, dispersivity is good, has preferable suppression performance, is preferably to subtract
Grind material, dynamic sealing material, insert in the graphene composite material, can further enhance material electromagnetic shielding effect and
Microwave absorbing property, and improve the stability and reliability of material.
Embodiment 2:
Refering to Figure 1, present embodiments providing a kind of side of graphene composite material for preparing and providing in embodiment 1
Method.The method mainly comprises the steps that
A. the graphene and liquid metal ion are weighed or measured according to parts by weight, and is spread mixing, form the
One semi-finished product；
B. weigh or measure the magnetic powder, microwave absorbing material powder and adhesive according to parts by weight, and by its ground and mixed,
Form the second semi-finished product；
C. first semi-finished product and the second semi-finished product are subjected to dispersion mixing, then grind 24~48 under vacuum conditions
Hour.
It should be appreciated that wherein without successive point between step A and step B.
Based on the above method, the present embodiment provides the citing of following specific embodiments mode, it should be understood that, it is of the invention
Protection scope is not limited to the parameter area enumerated in following each citings.
For example, weighing or measuring the liquid metal ion of the graphene of 40 parts by weight and the iron of 12 parts by weight respectively, utilize
Ultrasonic wave separating apparatus is spread mixing, forms the first semi-finished product；Weigh or measure respectively 50 parts by weight iron oxide magnetic powder, 60
The ge-51 epoxy resin of the carbonyl iron dust of parts by weight and 150 parts by weight, and 8% dilution that weight accounts for gross weight is measured again,
Ground and mixed is carried out using machinery drum beveller, forms the second semi-finished product；First semi-finished product and the second semi-finished product are placed in machine
Dispersion mixing is carried out in tool separating apparatus, then is placed in vacuumize in vacuum machine roller beveller by resulting dispersed mixture and be ground
Mill 36 hours.It include: the iron of the graphenes of 40 parts by weight, 12 parts by weight in the ingredient of the graphene composite material finally obtained
Liquid metal ion, the iron oxide magnetic powder of 50 parts by weight, the carbonyl iron dust of 60 parts by weight and 150 parts by weight ge-51 asphalt mixtures modified by epoxy resin
Rouge.
It is applied to the bonding and encapsulation of inductor iron core using the resulting graphene composite material as magnetic-conductive adhesive.To electricity
The magnetic field radiation of sensor carries out infrared test, and as shown in Fig. 2 (a) and Fig. 2 (b), Fig. 2 (a) is to select existing common magnetic-conductive adhesive
The magnetic field radiation figure of inductor, Fig. 2 (b) are the magnetic field radiation for selecting inductor of the graphene composite material as magnetic-conductive adhesive
Figure, from Fig. 2 (a) and Fig. 2 (b) it is found that there is fairly obvious electromagnetic shielding using above-mentioned graphene composite material as magnetic-conductive adhesive
Effect.The filter effect of inductor is detected, as shown in Fig. 3 (a) and Fig. 3 (b), Fig. 3 (a) is to select existing common magnetic conduction
The filter effect figure of the inductor of glue, area of energy concentration domain as shown in the figure is relatively narrow, and wave amplitude is wider, and Fig. 3 (b) is to select the graphite
Filter effect figure of the alkene composite material as the inductor of magnetic-conductive adhesive, area of energy concentration domain as shown in the figure is wider, and wave amplitude is relatively narrow, from
Fig. 3 (a) and Fig. 3 (b) has fairly obvious filter effect it is found that using above-mentioned graphene composite material as magnetic-conductive adhesive.
For example, weigh or measure the liquid metal ion of the graphene of 30 parts by weight and the cobalt of 8 parts by weight respectively, using super
Sound wave separating apparatus is spread mixing, forms the first semi-finished product；Weigh or measure respectively 40 parts by weight chromium dioxide magnetic powder, 40
The ge-51 epoxy resin of the carbonyl iron dust of parts by weight and 100 parts by weight, and 6% dilution that weight accounts for gross weight is measured again,
Ground and mixed is carried out using machinery drum beveller, forms the second semi-finished product；First semi-finished product and the second semi-finished product are placed in machine
Dispersion mixing is carried out in tool separating apparatus, then is placed in vacuumize in vacuum machine roller beveller by resulting dispersed mixture and be ground
Mill 24 hours.It include: the cobalt of the graphenes of 30 parts by weight, 8 parts by weight in the ingredient of the graphene composite material finally obtained
Liquid metal ion, the chromium dioxide magnetic powder of 40 parts by weight, the carbonyl iron dust of 40 parts by weight and 100 parts by weight ge-51 epoxy
Resin.
For example, weigh or measure the liquid metal ion of the graphene of 10 parts by weight and the nickel of 5 parts by weight respectively, using super
Sound wave separating apparatus is spread mixing, forms the first semi-finished product；Weigh or measure respectively 30 parts by weight cobalt-iron oxide magnetic powder,
The phenolic resin of the ferrite powder of 10 parts by weight and 50 parts by weight, and 5% dilution that weight accounts for gross weight is measured again, it utilizes
Machinery drum beveller carries out ground and mixed, forms the second semi-finished product；By the first semi-finished product and mechanical point of the merging of the second semi-finished product
It dissipates in instrument and carries out dispersion mixing, then resulting dispersed mixture is placed in vacuum machine roller beveller and vacuumizes grinding 24
Hour.Include: in the ingredient of the graphene composite material finally obtained the graphenes of 10 parts by weight, 5 parts by weight nickel liquid
Metal ion, cobalt-iron oxide magnetic powder of 30 parts by weight, the ferrite powder of 10 parts by weight and 50 parts by weight phenolic resin.
For example, weighing or measuring the graphene of 100 parts by weight, the liquid metal ion of the iron of 10 parts by weight, 5 weight respectively
The liquid metal ion of the nickel of the liquid metal ion and 5 parts by weight of the cobalt of part, is spread mixing using ultrasonic wave separating apparatus,
Form the first semi-finished product；Weigh or measure respectively the iron oxide magnetic powder of 60 parts by weight, the carbonyl iron dust of 60 parts by weight and 250 weight
The ge-51 epoxy resin of part, and 10% dilution that weight accounts for gross weight is measured again, it is ground using machinery drum beveller
Mill mixing, forms the second semi-finished product；Dispersion mixing will be carried out in first semi-finished product and the second semi-finished product merging mechanical dispersion instrument, so
Resulting dispersed mixture is placed in vacuum machine roller beveller afterwards and vacuumizes grinding 48 hours.The graphene finally obtained
Include: in the ingredient of composite material the graphenes of 100 parts by weight, the liquid metal ion of the iron of 10 parts by weight, 5 parts by weight cobalt
Liquid metal ion, the liquid metal ions of nickel of 5 parts by weight, the iron oxide magnetic powder of 60 parts by weight, 60 parts by weight carbonyl
The ge-51 epoxy resin of iron powder and 250 parts by weight.
For example, weigh or measure respectively the graphene of 80 parts by weight, 8 parts by weight iron liquid metal ion and 8 weight
The liquid metal ion of the cobalt of part is spread mixing using ultrasonic wave separating apparatus, forms the first semi-finished product；It weighs or measures respectively
Take the iron oxide magnetic powder of 25 parts by weight, the chromium dioxide magnetic powder of 25 parts by weight, the carbonyl iron dust of 60 parts by weight, 20 parts by weight carbon
The phenolic resin of SiClx powder and 150 parts by weight, and 10% dilution that weight accounts for gross weight is measured again, it is ground using machinery drum
It grinds instrument and carries out ground and mixed, form the second semi-finished product；It will be carried out in first semi-finished product and the second semi-finished product merging mechanical dispersion instrument
Then resulting dispersed mixture is placed in vacuum machine roller beveller and vacuumizes grinding 36 hours by dispersion mixing.Finally
Include: in the ingredient of the graphene composite material of acquisition the graphenes of 80 parts by weight, 8 parts by weight iron liquid metal ion, 8
The liquid metal ion of the cobalt of parts by weight, the iron oxide magnetic powder of 25 parts by weight, the chromium dioxide magnetic powder of 25 parts by weight, 60 parts by weight
Carbonyl iron dust, the carborundum powder of 20 parts by weight and the phenolic resin of 150 parts by weight.
The present embodiment is also applied to using above-mentioned graphene composite material as magnetic-conductive adhesive inside magnetic conductivity component and/or outer
The bonding in portion is also applied to the encapsulation of magnetic conductivity component.
For example, the graphene composite material can be applied to the development and application of electronic component, such as the encapsulation of chip
With the exploitation and application of magnetic bead and magnetic core bracket and inductor.
For example, the graphene composite material can be applied to the exploitation of filtering device, energy saving device or military project device
And application, it realizes the solution of powered electromagnetic interference, there is significant performance in terms of anti-interference, filtering and radiation protection.
Embodiment 3:
A kind of graphene composite material is present embodiments provided, the graphene composite material includes following component:
The graphene of 10~100 parts by weight；
The liquid metal ion of 5~20 parts by weight；
The magnetic powder of 30~60 parts by weight；And
The microwave absorbing material powder of 10~100 parts by weight；
Wherein, the liquid metal ion includes the liquid of the liquid metal ion of iron, the liquid metal ion of cobalt or nickel
At least one of metal ion.
For example, the microwave absorbing material powder can be selected from one of ferrite powder, carbonyl iron dust and carborundum powder or
It is several.But not limited to this, such as the microwave absorbing material powder can also select complex ferrite powder, metallic ultrafine particle,
Organic high molecular polymer (functional polymer) nano material etc..The selection of above-mentioned material should all fall into protection model of the invention
It encloses.Wherein, the microwave absorbing material powder preferably uses carbonyl iron dust, and the fineness control of carbonyl iron dust is 300~1000 mesh.
For example, the magnetic powder can be selected from iron oxide magnetic powder, chromium dioxide magnetic powder, cobalt-iron oxide magnetic powder and metallic magnetic
One or more of powder.
The preparation method provided in the preparation method of the graphene composite material and embodiment 2 is identical, only in step B
In do not need be added adhesive.The graphene composite material be it is powdered, can be with sinter molding to make magnetic core.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art can easily think of the change or the replacement in the technical scope disclosed by the present invention, all should
It is included within the scope of protection of the present invention.
Claims (10)
1. a kind of graphene composite material, which is characterized in that including following component:
The graphene of 10~100 parts by weight；
The liquid metal ion of 5~20 parts by weight；
The magnetic powder of 30~60 parts by weight；
The microwave absorbing material powder of 10~100 parts by weight；And
The adhesive of 50~250 parts by weight；
Wherein, the liquid metal ion includes the liquid metal of the liquid metal ion of iron, the liquid metal ion of cobalt or nickel
At least one of ion.
2. graphene composite material according to claim 1, which is characterized in that the microwave absorbing material powder is selected from iron oxygen
One or more of body powder, carbonyl iron dust and carborundum powder.
3. graphene composite material according to claim 2, which is characterized in that the microwave absorbing material powder is carbonyl iron
Powder.
4. graphene composite material according to claim 3, which is characterized in that the fineness of the carbonyl iron dust is
300~1000 mesh.
5. graphene composite material according to claim 1, which is characterized in that the adhesive is epoxy resin, epoxy
The parts by weight of resin are 100~150 parts.
6. graphene composite material according to claim 1, which is characterized in that further include two sulphur of nickel packet of 2~5 parts by weight
Change molybdenum powder.
7. a kind of method for preparing graphene composite material described in claim 1, which comprises the following steps:
The graphene and liquid metal ion are weighed or measured according to parts by weight, and is spread mixing, formed the first half at
Product；
It weighs or measures the magnetic powder, microwave absorbing material powder and adhesive according to parts by weight, and by its ground and mixed, form the
Two semi-finished product；
First semi-finished product and the second semi-finished product are subjected to dispersion mixing, are then ground 24~48 hours under vacuum conditions.
8. a kind of using any graphene composite material of claim 1~6 as the application of magnetic-conductive adhesive.
9. according to claim 8 using the graphene composite material as the application of magnetic-conductive adhesive, which is characterized in that specific
For the graphene composite material is applied to the bonding of magnetic conductivity component internally and/or externally, or being specially will be described
Graphene composite material is applied to the encapsulation of magnetic conductivity component.
10. a kind of graphene composite material, which is characterized in that including following component:
The graphene of 10~100 parts by weight；
The liquid metal ion of 5~20 parts by weight；
The magnetic powder of 30~60 parts by weight；And
The microwave absorbing material powder of 10~100 parts by weight；
Wherein, the liquid metal ion includes the liquid metal of the liquid metal ion of iron, the liquid metal ion of cobalt or nickel
At least one of ion.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110564359A (en) * | 2019-10-09 | 2019-12-13 | 新纳奇材料科技江苏有限公司 | high-strength high-heat-conductivity organic silicon pouring sealant and preparation method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102295913A (en) * | 2011-06-14 | 2011-12-28 | 哈尔滨工程大学 | Graphite alkene and ferriferrous oxide nano-material capable of absorbing high frequency electromagnetic wave and preparation method thereof |
| CN103030139A (en) * | 2012-12-21 | 2013-04-10 | 复旦大学 | Synthetic method of magnetic graphene composite material and application of magnetic grapheme composite material |
| CN103448341A (en) * | 2012-06-01 | 2013-12-18 | 上海航天设备制造总厂 | Salt spray corrosion resistant self-lubricating film for space moving part, and preparation method thereof |
| CN104004496A (en) * | 2014-04-26 | 2014-08-27 | 安徽大学 | Preparation method of reduced graphene oxide/nickel oxide composite wave absorbing material |
| CN104263317A (en) * | 2014-09-26 | 2015-01-07 | 厦门大学 | Method for synthesizing cobalt oxide/graphene composite wave-absorbing material |
| CN105647468A (en) * | 2016-04-07 | 2016-06-08 | 兰州天烁新能源有限公司 | Wave-absorbing material based on grapheme and preparation method thereof |
| CN106590345A (en) * | 2016-12-19 | 2017-04-26 | 深圳顺络电子股份有限公司 | Magnetic glue and inductor device using same |
| CN107573745A (en) * | 2017-08-17 | 2018-01-12 | 北京梦之墨科技有限公司 | A kind of coating for EMI shielding material and preparation method thereof |
| CN107578838A (en) * | 2017-08-17 | 2018-01-12 | 北京梦之墨科技有限公司 | Recyclable electrocondution slurry of a kind of low cost and preparation method thereof |
-
2018
- 2018-07-05 CN CN201810732207.6A patent/CN109054710A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102295913A (en) * | 2011-06-14 | 2011-12-28 | 哈尔滨工程大学 | Graphite alkene and ferriferrous oxide nano-material capable of absorbing high frequency electromagnetic wave and preparation method thereof |
| CN103448341A (en) * | 2012-06-01 | 2013-12-18 | 上海航天设备制造总厂 | Salt spray corrosion resistant self-lubricating film for space moving part, and preparation method thereof |
| CN103030139A (en) * | 2012-12-21 | 2013-04-10 | 复旦大学 | Synthetic method of magnetic graphene composite material and application of magnetic grapheme composite material |
| CN104004496A (en) * | 2014-04-26 | 2014-08-27 | 安徽大学 | Preparation method of reduced graphene oxide/nickel oxide composite wave absorbing material |
| CN104263317A (en) * | 2014-09-26 | 2015-01-07 | 厦门大学 | Method for synthesizing cobalt oxide/graphene composite wave-absorbing material |
| CN105647468A (en) * | 2016-04-07 | 2016-06-08 | 兰州天烁新能源有限公司 | Wave-absorbing material based on grapheme and preparation method thereof |
| CN106590345A (en) * | 2016-12-19 | 2017-04-26 | 深圳顺络电子股份有限公司 | Magnetic glue and inductor device using same |
| CN107573745A (en) * | 2017-08-17 | 2018-01-12 | 北京梦之墨科技有限公司 | A kind of coating for EMI shielding material and preparation method thereof |
| CN107578838A (en) * | 2017-08-17 | 2018-01-12 | 北京梦之墨科技有限公司 | Recyclable electrocondution slurry of a kind of low cost and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 《环境科学大辞典》编委会主编: "《环境科学大辞典：修订版》", 30 September 2008, 中国环境科学出版社 * |
| 机械制造工艺材料技术手册编写组编: "《机械制造工艺材料技术手册 下册》", 31 December 1993, 机械工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110564359A (en) * | 2019-10-09 | 2019-12-13 | 新纳奇材料科技江苏有限公司 | high-strength high-heat-conductivity organic silicon pouring sealant and preparation method thereof |
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