CN106675074A - Graphene thin body and manufacture method thereof - Google Patents
Graphene thin body and manufacture method thereof Download PDFInfo
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- CN106675074A CN106675074A CN201510759276.2A CN201510759276A CN106675074A CN 106675074 A CN106675074 A CN 106675074A CN 201510759276 A CN201510759276 A CN 201510759276A CN 106675074 A CN106675074 A CN 106675074A
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- 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
Abstract
The invention discloses a graphene thin body and a manufacture method thereof. The method comprises the following steps: mixing macromolecular solution and graphene nanoplatelets (such as graphene powder), so as to form liquid graphene; adding the liquid graphene in batches into a stirring device, and stirring the liquid graphene through the stirring device, so as to enable the liquid graphene to be uniform; coating a substrate (such as a paper material) with the stirred liquid graphene, so as to form a graphene coating, and supporting the graphene coating through the substrate; removing a solution in the macromolecular solution through a drying device. According to the method, firstly the bulk graphene nanoplatelets with low binding force form the liquid graphene, the substrate can be uniformly coated with the liquid graphene, the solid graphene thin body with high binding force is formed and integrally combined with the substrate, and the formed graphene thin body adopts the structure that the graphene nanoplatelets face the same direction and are laminated, has good electrical conductivity, thermal diffusivity and electromagnetic wave resistance, and can be applied to various fields.
Description
Technical field
The present invention relates to a kind of combination technology of Graphene, particularly relates to a kind of thin body of Graphene and its manufacture method.
Background technology
Graphene（Graphene）It is to separate from graphite, because Graphene is made up of the planar structure of hexagonal honeycomb lattice carbon atom, the thickness of only one of which carbon atom, so Graphene possesses the material behavior of numerous uniquenesses, it is the current most thin, Nanometer material that most hard, resistivity is minimum in the world such as electric conductivity, thermal diffusivity, translucency and excellent mechanical performance.
But, the kenel that Graphene is presented when without machine-shaping is usually graphene microchip such as graphene powder, and its adhesion is weak, bulk is presented, and it does not still possess the kenel of commercialization volume production, it is impossible to be directly applied to various fields.
Refer to Figure 10 to Figure 13, though have allows graphene microchip to be combined into Graphene conjugate at present using associated media, but in the structure of the Graphene conjugate, graphene microchip is irregular random scatter shape, and then influences whether the characteristics such as its electric conductivity, thermal diffusivity, anti-electromagnetic wave.
Therefore, a thin body is prepared into if can combine Graphene, and its various material behavior can be promoted, various fields must be widely used in, be problem to be overcome in this area.
In view of this, the modern theory that innovation is constantly improved based on product of the present inventor, is and the actively research and development thinking with great concentration in line with for many years from the practical experience of incident, and via countless actual tests of taking second place, experiment, cause has the generation of the present invention.
The content of the invention
It is an object of the invention to provide a kind of thin manufacturing method of Graphene that can be made into tool good material characteristic.
Another object of the present invention is to provide a kind of thin body of Graphene of tool good material characteristic.
In order to reach above-mentioned purpose, the solution of the present invention is：
A kind of thin manufacturing method of Graphene, comprises the steps of：
A, Polymer Solution is mixed with graphene microchip, to form liquid Graphene；
B, the liquid Graphene batch is added in an agitating device, the liquid Graphene is stirred by the agitating device；
C, the liquid Graphene after stirring is coated into a base material, to form a graphite ene coatings, the graphite ene coatings are supported by the base material；
D, the solution in the Polymer Solution is removed by a drying device, to form the thin body of solid Graphene.
In step a, the Polymer Solution is 1 with the mixed weight ratio of the graphene microchip:0.5-1:5.
The graphene microchip is graphene powder.
The base material is solid-state material.
The drying device is one of ultraviolet lamp, infrared radiation device or hot air apparatus.
The liquid Graphene batch is added in the agitating device, is that a fundamental quantity divides 5-15 time, in adding the agitating device.
The agitating device is homogenizer.
The internal structure of the thin body of the Graphene is graphene microchip storehouse shape in the same direction.
The section of the thin body of the Graphene is circular.
Accordingly, the weaker graphene microchip of bulk, adhesion is initially formed liquid Graphene by the present invention, and can be spread evenly across on base material, and form the thin body of solid Graphene of strong adhesion and be integrated in base material, the thin body of Graphene its structure made is graphene microchip storehouse shape (Laminate) in the same direction, tool satisfactory electrical conductivity, thermal diffusivity, anti-electromagnetic wave, can be applicable to various fields.
Hereinafter only by specific embodiment, and help with the detailed explanation of schema work, so that your juror can have understanding further and understanding for the various functions of the present invention, feature.
Description of the drawings
Fig. 1 is the manufacturing flow chart of the present invention；
Fig. 2 is the section of structure of the present invention；
Another structural section of Fig. 3 present invention；
The top view one that Fig. 4 is scanned for the present invention by scanning electron microscope (SEM)；
The top view two that Fig. 5 is scanned for the present invention by scanning electron microscope (SEM)；
Fig. 6 is the profile by transmission electron microscope (TEM) of the invention；
Fig. 7 is the radiating test resolution of the present invention；
Fig. 8 is the electromagnetic wave test chart one of the present invention；
Fig. 9 is the electromagnetic wave test chart two of the present invention；
Figure 10 is the profile of existing Graphene conjugate；
Figure 11 is the top view one that existing Graphene conjugate is scanned by scanning electron microscope (SEM)；
Figure 12 is the top view two that existing Graphene conjugate is scanned by scanning electron microscope (SEM)；
Figure 13 is profile of the existing Graphene conjugate by transmission electron microscope (TEM).
Wherein：
The thin body 10 of Graphene
Graphene microchip 11
Macromolecule 12
Base material 20.
Specific embodiment
In order to technical scheme is explained further, below by specific embodiment, the present invention will be described in detail.
Refer to shown in Fig. 1, the thin manufacturing method of Graphene of the present invention, comprising：
A, Polymer Solution is mixed with graphene microchip, to form liquid Graphene；
B, the liquid Graphene batch is added in an agitating device, by the agitating device liquid Graphene is stirred, to enable the liquid Graphene in graphene microchip be uniformly distributed with macromolecule；
C. the liquid Graphene after stirring is coated into a base material, to form a graphite ene coatings, by the base material graphite ene coatings is supported；
D, the solution in the Polymer Solution is removed by a drying device, the macromolecule is connected with the graphene microchip, to form the thin body of solid Graphene.
In an embodiment, the Polymer Solution is 1 with the mixed weight ratio of the graphene microchip:0.5-1:5.
In an embodiment, the graphene microchip is graphene powder.
In an embodiment, the base material is solid-state material, may be selected from flexible or not flexible material.
In an embodiment, the drying device is one of ultraviolet lamp, infrared radiation device, hot air apparatus.
In an embodiment, the liquid Graphene batch is added in the agitating device, is that a fundamental quantity divides 5-15 time, in adding the agitating device.
In an embodiment, the agitating device is homogenizer (Homogenizer).
Accordingly, the weaker graphene microchip of bulk, adhesion can be initially formed liquid Graphene by the present invention, and can be spread evenly across on base material, again the solution in the Polymer Solution is removed by drying device, the macromolecule is connected with the graphene microchip, to form the thin body of solid Graphene of strong adhesion base material is integrated in.
Refer to shown in Fig. 2, according to the thin body 10 of Graphene made by the thin manufacturing method of the Graphene of the invention, it is integrated in base material 20 with strong adhesion, the thin internal structure of body 10 of the Graphene is storehouse shape (Laminate) in the same direction of graphene microchip 11, and macromolecule 12 can be connected with the graphene microchip.
Refer to shown in Fig. 3, in an embodiment, the thin section of body 10 of the Graphene is circular.
Fig. 4 and Fig. 5 is referred to, is the top view that the thin body of Graphene of the present invention is scanned by scanning electron microscope (SEM), it can be seen that graphene microchip therein is to be evenly distributed；It is profile of the thin body of Graphene of the present invention by transmission electron microscope (TEM) to refer to Fig. 6, it can be seen that graphene microchip formation rule storehouse laminar structure therein；Accordingly, the thin body of Graphene of the present invention has satisfactory electrical conductivity, thermal diffusivity, anti-electromagnetic wave, can be applicable to various fields.
Then every test result of the present invention is described as follows, it was demonstrated that the thin body of Graphene of the present invention has good material characteristic：
First, electric conductivity：The thin body of Graphene of the present invention is carried out into respectively four-point probe test with the thin body of Graphene is commonly used.
Because the graphene microchip in the thin body of Graphene of the present invention is uniformly distributed and formation rule storehouse laminar structure, and the graphene microchip in the thin body of Graphene is commonly used for irregular random scatter shape；Therefore, test result is that the thin body of Graphene of the present invention has relatively low resistance value, that is, electric conductivity is good.
2nd, thermal diffusivity：Taiwan Hanxiang Aviation Co., Ltd once carried out radiating test to the thin body of Graphene of the present invention.
Test condition：Test body is respectively the thin body of Graphene of the present invention, rolled copper foil, commonly uses the thin body of Graphene, and in test body top acryl is set, and mat heater is heated in test body lower section, then senses the temperature of three positions in acryl.
Test result：Refer to shown in Fig. 7, temperature all highests of three positions of the thin body top acryl of Graphene of the present invention, that is, thermal diffusivity is good.
3rd, anti-electromagnetic wave：Taiwan Hanxiang Aviation Co., Ltd once carried out electromagnetic wave test to the thin body of Graphene of the present invention.
Test condition 1：Respectively by the thin body of Graphene of the present invention, commonly use the thin body of Graphene located at coaxial test fixture and bestowing electromagnetic wave, by means of the thin body of Graphene of the present invention, commonly use after the thin body of Graphene intercepts, received by Network Analyzer and analyzed electromagnetic wave isolation.
Test result 1：Refer to shown in Fig. 8, the electromagnetic intensity after intercepting by the thin body of Graphene of the present invention is relatively low, that is, for all band electromagnetic wave has good barrier.
Taiwan University of Science and Technology once carried out electromagnetic wave test to the thin body of Graphene of the present invention.
Test condition 2：The thin body of Graphene of the present invention is positioned over into the space without electromagnetic wave, and imposes test voltage, the electromagnetic wave of the thin body of detecting Graphene of the present invention is received by electromagnetic wave receiver.
Test result 2：Refer to shown in Fig. 9, electromagnetic wave receiver receives the electromagnetic intensity for detecting, and well below the safety value of rules and regulations, that is, electromagenetic wave radiation is low.
The product form and style, appropriate change or modification that any person of an ordinary skill in the technical field is done to it of above-described embodiment and schema and the non-limiting present invention, all should be regarded as the patent category without departing from the present invention.
Claims (9)
1. a kind of thin manufacturing method of Graphene, comprises the steps of：
A, Polymer Solution is mixed with graphene microchip, to form liquid Graphene；
B, the liquid Graphene batch is added in an agitating device, the liquid Graphene is stirred by the agitating device；
C, the liquid Graphene after stirring is coated into a base material, to form a graphite ene coatings, the graphite ene coatings are supported by the base material；
D, the solution in the Polymer Solution is removed by a drying device, to form the thin body of solid Graphene.
2. the thin manufacturing method of Graphene as claimed in claim 1, it is characterised in that：In step a, the Polymer Solution is 1 with the mixed weight ratio of the graphene microchip:0.5-1:5.
3. the thin manufacturing method of Graphene as claimed in claim 1, it is characterised in that：The graphene microchip is graphene powder.
4. the thin manufacturing method of Graphene as claimed in claim 1, it is characterised in that：The base material is solid-state material.
5. the thin manufacturing method of Graphene as claimed in claim 1, it is characterised in that：The drying device is one of ultraviolet lamp, infrared radiation device or hot air apparatus.
6. the thin manufacturing method of Graphene as claimed in claim 1, it is characterised in that：The liquid Graphene batch is added in the agitating device, is that a fundamental quantity divides 5-15 time, in adding the agitating device.
7. the thin manufacturing method of Graphene as claimed in claim 1, it is characterised in that：The agitating device is homogenizer.
8. the thin body of Graphene made by a kind of thin manufacturing method of Graphene according to described in claim 1, it is characterised in that：The internal structure of the thin body of the Graphene is graphene microchip storehouse shape in the same direction.
9. the thin body of Graphene as claimed in claim 8, its spy is being：The section of the thin body of the Graphene is circular.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113427799A (en) * | 2020-03-04 | 2021-09-24 | 慧隆科技股份有限公司 | Graphene adhesive film and manufacturing method thereof |
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| CN104194631A (en) * | 2014-08-12 | 2014-12-10 | 安徽碳索材料科技有限公司 | Coating on shell of electrolytic capacitor to dissipate heat by taking graphene nanoplatelets as main agent |
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| CN104730601A (en) * | 2015-03-26 | 2015-06-24 | 厦门烯成科技有限公司 | Peeping preventing film based on graphene and making method thereof |
| CN105017956A (en) * | 2014-05-02 | 2015-11-04 | 中原大学 | Electroactive composite anticorrosive paint mixed with high polymer and graphene and preparation method thereof |
| CN106139929A (en) * | 2014-11-20 | 2016-11-23 | 中原大学 | Graphene filtering membrane and manufacturing method thereof |
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2015
- 2015-11-10 CN CN201510759276.2A patent/CN106675074A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102180437A (en) * | 2010-12-07 | 2011-09-14 | 中国科学技术大学 | Graphene-based infrared smart transparent film device and preparation method thereof |
| CN103660484A (en) * | 2012-09-25 | 2014-03-26 | 绿晶能源股份有限公司 | Flexible graphite paper, and manufacturing method and thickening structure thereof |
| CN102908906A (en) * | 2012-10-25 | 2013-02-06 | 贵阳时代沃顿科技有限公司 | Preparation method and application of separation film with nano composite cortical layer |
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| CN106139929A (en) * | 2014-11-20 | 2016-11-23 | 中原大学 | Graphene filtering membrane and manufacturing method thereof |
| CN104592950A (en) * | 2014-12-26 | 2015-05-06 | 苏州格瑞丰纳米科技有限公司 | High-thermal conductivity graphite alkenyl polymer heat conducting film and preparation method thereof |
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| CN113427799A (en) * | 2020-03-04 | 2021-09-24 | 慧隆科技股份有限公司 | Graphene adhesive film and manufacturing method thereof |
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Application publication date: 20170517 |