CN108329495A - Graphene with biomimetic features-Cellulose nanocrystal composite heat-conducting film and its preparation - Google Patents
Graphene with biomimetic features-Cellulose nanocrystal composite heat-conducting film and its preparation Download PDFInfo
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- CN108329495A CN108329495A CN201711383718.3A CN201711383718A CN108329495A CN 108329495 A CN108329495 A CN 108329495A CN 201711383718 A CN201711383718 A CN 201711383718A CN 108329495 A CN108329495 A CN 108329495A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/08—Heat treatment
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2301/02—Cellulose; Modified cellulose
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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 present invention relates to a kind of plain nanocrystalline heat conduction film of the graphene fiber with biomimetic features and its preparation, laminated film, which has, imitates shelly " brick mud " layer structure, and preparation method includes the following steps：(1) a certain proportion of GO solution and CNC solution are taken, is mixed, stirring, film, drying；(2) film that step (1) obtains is annealed reduction at high temperature, you can obtain purpose product graphene composite heat-conducting film.Compared with prior art, the present invention has constructed graphene stratiform and has imitated clam shell feature, to promote the thermal conductivity of graphene film using the method for self assembly by between CNC insertion graphene layers.
Description
Technical field
The present invention relates to a kind of field of thin film material preparation, more particularly, to a kind of graphene-fibre with biomimetic features
Plain nanocomposite heat conduction film of dimension and preparation method thereof.
Background technology
The rapid development of the industries such as modern aerospace and electronic computer, proposes increasingly the performance of integrated chip
Harsh requirement.The heat dissipation performance of chip has become an important factor for restricting electronic device working efficiency, therefore, highly heat-conductive material
Have become the hot spot of current electronics industry research.Compared to the heat sink materials such as common metal now, carbon material has thermal coefficient
High (such as graphite 2000W/mK, diamond 2300W/mK, carbon nanotube 3500W/mK), it is all that density is light, coefficient of thermal expansion is low etc.
More advantages, alternative traditional heat-dissipating material meet electronic device collection functionalization, micromation and lightening and integrated requirement.
In many carbon materials, graphene is received significant attention because of its special structure and outstanding performance.Graphene is
A kind of sp2The single layer two dimensional surface carbon material that hydbridized carbon atoms are formed has superhigh current carrying transport factor, high intensity, Gao Bibiao
Many excellent performances such as area.The single-layer graphene thermal coefficient measured is tested up to 5300W/mK, commonly uses and leads far above other
Hot material.Heat conduction film is prepared by raw material of graphene, is expected to significantly promote the heat dissipation performance of electronic device.
Have multinomial patent report application of the graphene film in heat conduction field, such as Chinese patent at present
CN104229783B, CN105523547B, CN105731435B etc..But there are still led between face for the pure graphene film reported at present
The shortcomings such as hot low, poor mechanical property.Therefore, it is necessary to introduce new carbon nanometer reinforcing phase to graphene film heat conduction, lead
Electricity and mechanical property are realized and are further promoted.
Invention content
It is provided a kind of with biomimetic features the purpose of the invention is to overcome the problems of the above-mentioned prior art
Graphene-Cellulose nanocrystal composite heat-conducting conductive film and preparation method thereof.
The purpose of the present invention can be achieved through the following technical solutions：
It is an object of the present invention to propose that a kind of graphene with biomimetic features-Cellulose nanocrystal heat conduction is thin
Film, the film have constructed " brick-mud " structure of similar shell by graphene sheet layer with CNC.Graphene sheet layer serves as knot
Matrix " brick " in structure, CNC is dispersed between the graphene sheet layer of stacking, serves as the bridging agent " mud " in structure.
The second object of the present invention is to propose a kind of graphene with biomimetic features-Cellulose nanocrystal heat conduction film
Preparation method, include the following steps：
(1)：GO solution and CNC solution are mixed, stirring, evaporation film, drying；
(2)：The film that step (1) obtains is annealed reduction at high temperature, you can obtain purpose product graphene-cellulose
Nanocomposite heat conduction film.
As a preferred embodiment of the above technical solution, in step (1)：Using expanded graphite as raw material, improvement Hummers legal systems are utilized
(concrete technology is shown in document Advanced Materials, 2013.25 (26) to standby GO aqueous dispersions:3583-3587.).
As a preferred embodiment of the above technical solution, in step (1)：CNC is extracted from plant material using acid-hydrolyzed method
Solution.It is furthermore preferred that acid used in acid hydrolysis process is sulfuric acid, step is specially：
Take plant material that mass ratio 1 is added:In 1 concentrated sulfuric acid and the mixed solution of deionized water, hydrolyzed at 65 DEG C
1.5h, then add deionized water dilution, it stands, centrifuges, dialysis, ultrasound is to get to CNC solution.
As a preferred embodiment of the above technical solution, in step (1)：The plant material is cotton or fiber crops.
As a preferred embodiment of the above technical solution, in step (1)：GO aqueous dispersions and the mixed proportion of CNC solution meet：GO
Solute mass ratio with CNC is 0.01~100:1.
As a preferred embodiment of the above technical solution, in step (1)：Evaporating the process conditions being film-made is：It is permanent at a temperature of 60 DEG C
12h or more is evaporated in warm far-infrared baking oven.
As a preferred embodiment of the above technical solution, in step (2)：The technique of high annealing is under condition of nitrogen gas 600~3000
DEG C annealing 0.5~2h.
The present invention is defined technological parameters such as adding proportion, the processing temperature of each component etc..Such as CNC adding proportions
It is too low, the effect that CNC promotes graphene film heat conductivility can not be played；If CNC adding proportions are excessively high, CNC easily reunites, and causes
Heat conductivility declines.If processing temperature is too low, the abundant carbonization of the abundant reduction and CNC of graphene is cannot achieve, is unfavorable for sending out
Wave the heat conductivility of graphene film；If processing temperature is excessively high, required energy consumption and cost increase.
Compared with prior art, the present invention is edified in " brick-mud " nanostructure of shell being naturally layered, using certainly
The method of assembling has constructed between CNC insertion graphene layers graphene stratiform and has imitated clam shell feature.Graphene sheet layer serves as in structure
Matrix " brick ", basic heat conductivility is provided.CNC is dispersed between graphene sheet layer, serves as the bridging agent in structure
" mud " can effectively connect graphene sheet layer, further increase the thermal conduction path of graphene film interlayer.The structure contributes to
In graphene film face between the knead dough of direction direction heat conductivility promotion.
Description of the drawings
Fig. 1 is the scanning for graphene-Cellulose nanocrystal composite membrane high temperature reduction frontal plane that the embodiment of the present invention 1 obtains
Electromicroscopic photograph；
Fig. 2 is the scanning for graphene-Cellulose nanocrystal composite membrane high temperature reduction starting section that the embodiment of the present invention 1 obtains
Electromicroscopic photograph；
Fig. 3 is the scanning in section after graphene-Cellulose nanocrystal composite membrane high temperature reduction that the embodiment of the present invention 1 obtains
Electromicroscopic photograph；
Fig. 4 is the transmission electron microscope after graphene-Cellulose nanocrystal composite membrane high temperature reduction that the embodiment of the present invention 1 obtains
Photo.
Specific implementation mode
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
In following embodiment, the process conditions for evaporating film are：In 60 DEG C of constant temperature far-infrared baking ovens evaporate 12h with
On.
In following embodiment, improvement Hummers methods used are shown in document Advanced referring to concrete technology
Materials,2013.25(26):3583-3587.And other each reagents or method and process etc. are unless otherwise instructed, that is, indicate without
It is required that or using this field conventional reagent or conventional method.
Embodiment 1
Using expanded graphite as raw material, GO aqueous dispersions are prepared using improvement Hummers methods；By the plant material of certain mass
It is added to 1:In 1 concentrated sulfuric acid and the mixed solution of deionized water, deionization is added after stopping heating in 65 DEG C of heating hydrolysis 1.5h
Water dilutes, and stands a night, removes supernatant, eccentric cleaning, dialysis is ultrasonic, obtains CNC solution.Take CNC solution and GO obtained
Aqueous dispersions are with 1:1 Solute mass is diluted than mixing, stirring, film, drying.By obtained film under 1500 DEG C of high temperature
Anneal reductase 12 h.
Fig. 1 is the scanning for graphene-Cellulose nanocrystal composite membrane high temperature reduction frontal plane that the embodiment of the present invention 1 obtains
Electromicroscopic photograph；It can be seen from the figure that CNC is dispersed in the surfaces GO, illustrate to form good self assembly effect between GO and CNC
Fruit.
Fig. 2 is the scanning for graphene-Cellulose nanocrystal composite membrane high temperature reduction starting section that the embodiment of the present invention 1 obtains
Electromicroscopic photograph；It can be seen from the figure that CNC is dispersed in GO interlayers, illustrate to form good self assembly effect between GO and CNC
Fruit.
Fig. 3 is the scanning in section after graphene-Cellulose nanocrystal composite membrane high temperature reduction that the embodiment of the present invention 1 obtains
Electromicroscopic photograph；It can be seen from the figure that the CNC of carbonization still keeps club shaped structure, it is dispersed between graphene layer, is conducive to shape
Thermal conducting path between stratification, to promote the promotion of heat conductivility.
Fig. 4 is the transmission electron microscope after graphene-Cellulose nanocrystal composite membrane high temperature reduction that the embodiment of the present invention 1 obtains
Photo.It can be seen from the figure that the CNC of carbonization still keeps club shaped structure, it is dispersed between graphene layer, advantageously forms layer
Between thermal conducting path, to promote the promotion of heat conductivility.
Comparative example 1
Using expanded graphite as raw material, GO aqueous dispersions are prepared using improvement Hummers methods.GO aqueous dispersions obtained are dilute
It releases, stirs, film, drying.Obtained film is annealed reductase 12 h under 1500 DEG C of high temperature.
Embodiment 2
Using expanded graphite as raw material, GO aqueous dispersions are prepared using improvement Hummers methods；By the plant material of certain mass
It is added to 1:In 1 concentrated sulfuric acid and the mixed solution of deionized water, deionization is added after stopping heating in 65 DEG C of heating hydrolysis 1.5h
Water dilutes, and stands a night, removes supernatant, eccentric cleaning, dialysis is ultrasonic, obtains CNC solution.Take CNC solution and GO obtained
Aqueous dispersions are with 1:4 Solute mass is diluted than mixing, stirring, film, drying.By obtained film under 1500 DEG C of high temperature
Anneal reductase 12 h.
Embodiment 3
Using expanded graphite as raw material, GO aqueous dispersions are prepared using improvement Hummers methods；By the plant material of certain mass
It is added to 1:In 1 concentrated sulfuric acid and the mixed solution of deionized water, deionization is added after stopping heating in 65 DEG C of heating hydrolysis 1.5h
Water dilutes, and stands a night, removes supernatant, eccentric cleaning, dialysis is ultrasonic, obtains CNC solution.Take CNC solution and GO obtained
Aqueous dispersions are with 4:1 Solute mass is diluted than mixing, stirring, film, drying.By obtained film under 1500 DEG C of high temperature
Anneal reductase 12 h.
Embodiment 4
Using expanded graphite as raw material, GO aqueous dispersions are prepared using improvement Hummers methods；By the plant material of certain mass
It is added to 1:In 1 concentrated sulfuric acid and the mixed solution of deionized water, deionization is added after stopping heating in 65 DEG C of heating hydrolysis 1.5h
Water dilutes, and stands a night, removes supernatant, eccentric cleaning, dialysis is ultrasonic, obtains CNC solution.Take CNC solution and GO obtained
Aqueous dispersions are with 1:1 Solute mass is diluted than mixing, stirring, film, drying.Obtained film is moved back under 800 DEG C of high temperature
Fiery reductase 12 h.
Embodiment 5
Using expanded graphite as raw material, GO aqueous dispersions are prepared using improvement Hummers methods；By the plant material of certain mass
It is added to 1:In 1 concentrated sulfuric acid and the mixed solution of deionized water, deionization is added after stopping heating in 65 DEG C of heating hydrolysis 1.5h
Water dilutes, and stands a night, removes supernatant, eccentric cleaning, dialysis is ultrasonic, obtains CNC solution.Take CNC solution and GO obtained
Aqueous dispersions are with 1:1 Solute mass is diluted than mixing, stirring, film, drying.By obtained film under 1000 DEG C of high temperature
Anneal reductase 12 h.
Embodiment 6
Using expanded graphite as raw material, GO aqueous dispersions are prepared using improvement Hummers methods；By the plant material of certain mass
It is added to 1:In 1 concentrated sulfuric acid and the mixed solution of deionized water, deionization is added after stopping heating in 65 DEG C of heating hydrolysis 1.5h
Water dilutes, and stands a night, removes supernatant, eccentric cleaning, dialysis is ultrasonic, obtains CNC solution.Take CNC solution and GO obtained
Aqueous dispersions are with 1:1 Solute mass is diluted than mixing, stirring, film, drying.By obtained film under 1200 DEG C of high temperature
Anneal reductase 12 h.
According to standard ASTM E1461-13 using laser-shine method measure film heat conductivility.
According to standard ASTM F84 using four probe resistance instrument come the electric conductivity of testing film.
Test result is as shown in table 1.
Table 1
The performance data of embodiment 1-6 and comparative example 1 has been recorded in table 1.With 1 pure graphene film heat conductivility of comparative example
It compares, the graphene in embodiment 1-Cellulose nanocrystal film presents in higher face, thermal coefficient and conduction are between face
Number；Compared with embodiment 2,3, this parameter of Cellulose nanocrystal content optimizes the most in embodiment 1, the most to the promotion of performance
Obviously；Compared with embodiment 4-6, this parameter of processing temperature optimizes the most in embodiment 1, the most apparent to the promotion of performance.
Embodiment 7
Using expanded graphite as raw material, GO aqueous dispersions are prepared using improvement Hummers methods；By the plant material of certain mass
It is added to 1:In 1 concentrated sulfuric acid and the mixed solution of deionized water, deionization is added after stopping heating in 65 DEG C of heating hydrolysis 1.5h
Water dilutes, and stands a night, removes supernatant, eccentric cleaning, dialysis is ultrasonic, obtains CNC solution.Take CNC solution and GO obtained
Aqueous dispersions are with 1:100 Solute mass is diluted than mixing, stirring, film, drying.By obtained film under 600 DEG C of high temperature
Annealing reduction 0.5h.
Embodiment 8
Using expanded graphite as raw material, GO aqueous dispersions are prepared using improvement Hummers methods；By the plant material of certain mass
It is added to 1:In 1 concentrated sulfuric acid and the mixed solution of deionized water, deionization is added after stopping heating in 65 DEG C of heating hydrolysis 1.5h
Water dilutes, and stands a night, removes supernatant, eccentric cleaning, dialysis is ultrasonic, obtains CNC solution.Take CNC solution and GO obtained
Aqueous dispersions are with 100:1 Solute mass is diluted than mixing, stirring, film, drying.By obtained film in 3000 DEG C of high temperature
Lower annealing restores 1h.
The above description of the embodiments is intended to facilitate ordinary skill in the art to understand and use the invention.
Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein general
Principle is applied in other embodiment without having to go through creative labor.Therefore, the present invention is not limited to the above embodiments, ability
Field technique personnel announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be the present invention's
Within protection domain.
Claims (10)
1. a kind of graphene with biomimetic features-Cellulose nanocrystal heat conduction film, which is characterized in that the heat conduction film by
Graphene sheet layer forms with CNC and has constructed " brick-mud " structure of similar shell, wherein graphene sheet layer serves as matrix
" brick ", CNC are dispersed between graphene sheet layer and serve as the bridging agent " mud " of connection graphene sheet layer.
2. a kind of preparation side of the graphene with biomimetic features-Cellulose nanocrystal heat conduction film as described in claim 1
Method, which is characterized in that include the following steps：
(1)：GO solution and CNC solution is taken to mix, stirring, evaporation film；
(2)：The film that step (1) obtains is annealed reduction at high temperature, you can obtain purpose product graphene heat conduction film.
3. a kind of preparation of graphene with biomimetic features-Cellulose nanocrystal heat conduction film according to claim 2
Method, which is characterized in that the GO aqueous dispersions of step (1) using expanded graphite as raw material and using Hummers methods by preparing
At.
4. a kind of preparation of graphene with biomimetic features-Cellulose nanocrystal heat conduction film according to claim 2
Method, which is characterized in that CNC solution, which is extracted by using acid hydrolysis process from plant material, in step (2) obtains.
5. a kind of preparation of graphene with biomimetic features-Cellulose nanocrystal heat conduction film according to claim 4
Method, which is characterized in that acid used in acid hydrolysis process is sulfuric acid, and step is specially：
Take plant material that mass ratio 1 is added:In 1 concentrated sulfuric acid and the mixed solution of deionized water, heating hydrolysis, then add deionization
Water dilutes, and stands, and centrifuges, and dialysis, ultrasound is to get to CNC solution.
6. a kind of preparation of graphene with biomimetic features-Cellulose nanocrystal heat conduction film according to claim 5
Method, which is characterized in that the plant material is cotton or fiber crops.
7. a kind of preparation of graphene with biomimetic features-Cellulose nanocrystal heat conduction film according to claim 5
Method, which is characterized in that the process conditions for heating hydrolysis are：1.5h is hydrolyzed at 65 DEG C.
8. a kind of preparation of graphene with biomimetic features-Cellulose nanocrystal heat conduction film according to claim 2
Method, which is characterized in that in step (1), GO solution and CNC solution are with Solute mass ratio 0.01~100:1 ratio mixing.
9. a kind of preparation of graphene with biomimetic features-Cellulose nanocrystal heat conduction film according to claim 2
Method, which is characterized in that the process conditions of evaporation film are in step (1)：At a temperature of 60 DEG C, steamed in constant temperature far-infrared baking oven
Send out 12h.
10. a kind of preparation of graphene with biomimetic features-Cellulose nanocrystal heat conduction film according to claim 2
Method, which is characterized in that step (2) high temperature annealing technique be：Under a nitrogen atmosphere, 600~3000 DEG C annealing 0.5~
2h。
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109575486A (en) * | 2018-12-24 | 2019-04-05 | 中原工学院 | A kind of preparation method of nitrogen carbide/Pioloform, polyvinyl acetal composite bionic film |
| CN109898180A (en) * | 2019-03-06 | 2019-06-18 | 上海交通大学 | The preparation method of graphene-based composite conducting heat conducting fiber material with imitative clam shell feature |
| CN109926027A (en) * | 2019-04-12 | 2019-06-25 | 常州大学 | A kind of preparation method of mesoporous trace Cellulose nanocrystal/graphene oxide membrane |
| CN110144063A (en) * | 2019-05-13 | 2019-08-20 | 浙江工业大学 | A kind of heat conductive insulating cellulose membrane and preparation method thereof |
| CN110234181A (en) * | 2019-03-06 | 2019-09-13 | 上海交通大学 | A kind of preparation method of the graphene-based compound electric film of self-supporting |
| CN110240892A (en) * | 2019-07-03 | 2019-09-17 | 桂林理工大学 | A kind of bionic laminar graphene/imide derivative thermally conductive film and preparation method thereof |
| CN110845752A (en) * | 2019-11-04 | 2020-02-28 | 上海大学 | Composite graphene heat-conducting film with bionic structure and preparation thereof |
| CN111002668A (en) * | 2019-12-19 | 2020-04-14 | 宁波长阳科技股份有限公司 | Artificial graphite composite membrane and preparation method thereof |
| CN111410190A (en) * | 2020-04-28 | 2020-07-14 | 上海交通大学 | Graphene-boron nitride composite film with insulating and heat-conducting properties and preparation method thereof |
| CN113024281A (en) * | 2021-02-28 | 2021-06-25 | 西北工业大学 | Silicon carbide/graphene bionic laminated coating and preparation method thereof |
| CN114920995A (en) * | 2022-04-01 | 2022-08-19 | 西北工业大学 | Graphene/nano-cellulose laminated microstructure, preparation method, device and application |
| CN116553533A (en) * | 2023-05-09 | 2023-08-08 | 浙江道明超导科技有限公司 | Preparation method of graphene sealing material |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170140848A1 (en) * | 2015-11-18 | 2017-05-18 | Texas Tech University System | Cotton fiber dissolution and regeneration and 3d printing of cellulose based conductive composites |
| CN106829944A (en) * | 2016-12-15 | 2017-06-13 | 济南圣泉集团股份有限公司 | A kind of graphene complex, Preparation Method And The Use |
-
2017
- 2017-12-20 CN CN201711383718.3A patent/CN108329495B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170140848A1 (en) * | 2015-11-18 | 2017-05-18 | Texas Tech University System | Cotton fiber dissolution and regeneration and 3d printing of cellulose based conductive composites |
| CN106829944A (en) * | 2016-12-15 | 2017-06-13 | 济南圣泉集团股份有限公司 | A kind of graphene complex, Preparation Method And The Use |
Non-Patent Citations (2)
| Title |
|---|
| L. VALENTINI ET AL.: ""A novel method to prepare conductive nanocrystalline cellulose/graphene oxide composite films",", 《MATERIALS LETTERS》 * |
| 徐斌等: ""高导热石墨烯膜的制备及研究"", 《广东化工》 * |
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| CN109575486A (en) * | 2018-12-24 | 2019-04-05 | 中原工学院 | A kind of preparation method of nitrogen carbide/Pioloform, polyvinyl acetal composite bionic film |
| CN109575486B (en) * | 2018-12-24 | 2021-03-16 | 中原工学院 | Preparation method of nitrogen carbide/polyvinyl acetal composite bionic film |
| CN109898180B (en) * | 2019-03-06 | 2020-08-25 | 上海交通大学 | Preparation method of graphene-based composite electric and heat conducting fiber material with shell-like structure |
| CN109898180A (en) * | 2019-03-06 | 2019-06-18 | 上海交通大学 | The preparation method of graphene-based composite conducting heat conducting fiber material with imitative clam shell feature |
| CN110234181A (en) * | 2019-03-06 | 2019-09-13 | 上海交通大学 | A kind of preparation method of the graphene-based compound electric film of self-supporting |
| CN109926027A (en) * | 2019-04-12 | 2019-06-25 | 常州大学 | A kind of preparation method of mesoporous trace Cellulose nanocrystal/graphene oxide membrane |
| CN110144063A (en) * | 2019-05-13 | 2019-08-20 | 浙江工业大学 | A kind of heat conductive insulating cellulose membrane and preparation method thereof |
| CN110240892A (en) * | 2019-07-03 | 2019-09-17 | 桂林理工大学 | A kind of bionic laminar graphene/imide derivative thermally conductive film and preparation method thereof |
| CN110845752B (en) * | 2019-11-04 | 2022-03-25 | 上海大学 | Composite graphene heat-conducting film with bionic structure and preparation thereof |
| CN110845752A (en) * | 2019-11-04 | 2020-02-28 | 上海大学 | Composite graphene heat-conducting film with bionic structure and preparation thereof |
| CN111002668A (en) * | 2019-12-19 | 2020-04-14 | 宁波长阳科技股份有限公司 | Artificial graphite composite membrane and preparation method thereof |
| CN111410190A (en) * | 2020-04-28 | 2020-07-14 | 上海交通大学 | Graphene-boron nitride composite film with insulating and heat-conducting properties and preparation method thereof |
| CN111410190B (en) * | 2020-04-28 | 2023-04-07 | 上海交通大学 | Graphene-boron nitride composite film with insulating and heat-conducting properties and preparation method thereof |
| CN113024281A (en) * | 2021-02-28 | 2021-06-25 | 西北工业大学 | Silicon carbide/graphene bionic laminated coating and preparation method thereof |
| CN114920995A (en) * | 2022-04-01 | 2022-08-19 | 西北工业大学 | Graphene/nano-cellulose laminated microstructure, preparation method, device and application |
| CN116553533A (en) * | 2023-05-09 | 2023-08-08 | 浙江道明超导科技有限公司 | Preparation method of graphene sealing material |
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