CN108081522A - The preparation method of thermal plastic high polymer base graphene garland denatured conductive composite material - Google Patents
The preparation method of thermal plastic high polymer base graphene garland denatured conductive composite material Download PDFInfo
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- CN108081522A CN108081522A CN201711308625.4A CN201711308625A CN108081522A CN 108081522 A CN108081522 A CN 108081522A CN 201711308625 A CN201711308625 A CN 201711308625A CN 108081522 A CN108081522 A CN 108081522A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C39/10—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. casting around inserts or for coating articles
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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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
- C08K2201/00—Specific properties of additives
- C08K2201/001—Conductive additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention belongs to nanocomposite preparation field, more particularly to a kind of preparation method of thermal plastic high polymer base graphene garland denatured conductive composite material.The graphene paper film with certain mechanical strength and excellent conductive performance is formed first with graphene nano particle, handle to obtain garland formula graphene three-dimensional space network through surface parallel cuts, drawing, under Elevated Temperature Conditions by the impregnating of large fluidity high molecular material, closely knit and cooling and solidifying obtains graphene garland/thermal plastic high polymer conducing composite material.Composite inner graphene garland obtained by this method keeps height continuous with macromolecule matrix, and excellent electric conductivity can be realized with less graphene volume, while assign the preferable mechanical strength of composite material and rigidity.In addition, the preparation method also has the characteristics that simple for process, manipulation is convenient, is easily achieved technique amplification, the mechanical property and conductive capability of gained composite material are obviously improved.
Description
Technical field
The invention belongs to nanocomposite preparation field, more particularly to a kind of thermal plastic high polymer base graphene garland changes
The preparation method of property conducing composite material.
Background technology
As the low-dimensional carbon nanomaterial of latest find in 2004, graphene has very excellent mechanical property, resists
For Zhang Qiangdu up to 130GPa, elasticity modulus is about 1100GPa, be measured and monitored the growth of standing timber material in it is highest；Meanwhile graphene also has very
High electron mobility (20000cm2/ (Vs)) and unique physical property such as thermal conductivity (3000W/ (mK)).Structurally, stone
Black alkene is arranged in the plane according to phenyl ring hexagonal structure periodic regular by carbon atom, it is expected to be formed with macromolecule matrix
Firm interface cohesion improves high molecular toughness and intensity, and the excellent electron transport ability preparation of graphene can also be used and lead
Electrical graphene/polymer composite material etc..In the development process of graphene/polymer composite material, one is difficult to avoid
Technical bottleneck be exactly graphene scattering problem：Since the large specific surface area of graphene, surface energy are high, along with its horizontal ruler
It is very little therefore to be easy to curl agglomerating considerably beyond thickness, weaken the interface cohesion between graphene and macromolecule matrix, seriously affect
The activeness and quietness effect of graphene.In addition, the higher price of graphene is also that graphene/polymer composite material research is hindered to open
One of hair and the major obstacle of application.
Thermal plastic high polymer refer to have heat and soften, the polymer material of hardening by cooling characteristic, and this is because of temperature
Liquid-solid variation caused by variation is reversible.Common thermoplastic's macromolecule has polyethylene (PE), polypropylene (PP), polyphenyl
Ethylene (PS), polymethyl methacrylate (PMMA), polyvinyl chloride (PVC), nylon (Nylon), makrolon (PC), polyurethane
(PU), polytetrafluoroethylene (PTFE) (Teflon PTFE), polyethylene terephthalate (PET), polyformaldehyde (POM) etc., extensive use
In the numerous areas such as packaging, agriculture, daily, insulation, building, there is good combination property, cheap, yield is big.But
The mechanical strength of thermoplastic macromolecule material is not mostly high, and heat resistance is poor (being generally not more than 200 DEG C), in addition also easily production
Raw electrostatic.If rationally introducing is uniformly dispersed, the graphene particle of queueing discipline is as enhancing modified body, then to thermal plastic high polymer
The improvement of materials'use performance and application field expansion are respectively provided with significant impetus.
The content of the invention
It is a primary object of the present invention to provide a kind of thermal plastic high polymer base graphene garland denatured conductive composite material
Preparation method, solve scattering problem of the graphene particle in macromolecule matrix, and reduce being produced into for conducing composite material
This.
In order to realize more than technical purpose, the technical scheme is that：
A kind of preparation method of thermal plastic high polymer base graphene garland denatured conductive composite material, comprises the following steps：
(1) graphene uniform is scattered in distilled water first, the mass ratio of graphene and distilled water is 1:20~1:100
Add in dispersant and toughener, 2~8h of ultrasound to fully dispersed, then through be filtered by vacuum, suppress it is closely knit after formation graphene paper it is thin
Film；
(2) using graphene paper film, parallel cuts are processed on surface, and apply tensile stress in both ends, make its shape
Into " graphene garland " formula space lattice, graphene garland is fixed in casting mold；
(3) thermoplastic macromolecule material is warming up on softening point 20~50 DEG C, it is made to be converted into good fluidity
Fluid state, be poured into mold rapidly, after thermoplastic macromolecule material cooling, cure after obtain graphene garland modification
Thermal plastic high polymer based composites.
The preparation method of the thermal plastic high polymer base graphene garland denatured conductive composite material in step (1), is adopted
1~10 layer, 0.3~3nm of thickness of graphene film layer number, 1~100 μm of lamella size.
The preparation method of the thermal plastic high polymer base graphene garland denatured conductive composite material, in step (1), point
Powder be polyvinylpyrrolidone (PVP) or neopelex (SDBS), dosage for graphene quality 10%~
30%.
The preparation method of the thermal plastic high polymer base graphene garland denatured conductive composite material in step (1), increases
Tough dose is sodium carboxymethylcellulose (CMC), and the mass ratio of toughener and graphene is between 50%~200%.
The preparation method of the thermal plastic high polymer base graphene garland denatured conductive composite material, in step (2), stone
20~200 μm of the thickness of black alkene paper film, tensile strength must not be less than 0.4MPa, and electrical conductivity must not be less than 20S/cm.
The preparation method of the thermal plastic high polymer base graphene garland denatured conductive composite material, in step (3), heat
Plastic macromolecule material uses polyethylene (PE), polypropylene (PP), polystyrene (PS), polyvinyl chloride (PVC) or nylon
(Nylon)。
The preparation method of the thermal plastic high polymer base graphene garland denatured conductive composite material, thermal plastic high polymer
Base graphene garland denatured conductive composite material, using " garland " formula three-dimensional space grid made of graphene paper film as enhancing
Body, thermal plastic high polymer are matrix, and reinforcement keeps overall continuous with matrix in composite inner.
The preparation method of the thermal plastic high polymer base graphene garland denatured conductive composite material, by mass fraction
It counts, contains in thermal plastic high polymer base graphene garland denatured conductive composite material：100~150 parts of thermoplastic macromolecule material,
0.3~1 part of graphene garland and dispersant and toughener, dispersant be graphene quality 10%~30%, toughener with
The mass ratio of graphene is between 50%~200%.
The present invention design philosophy be：
The present invention is proposed using mechanical strength is appropriate, graphene paper film with good conductivity obtains " garland " formula three dimensional network
Lattice structure, and then the thermoplasticity height of graphene garland modification is obtained by the hot melt, dipping and cooling and solidifying of thermal plastic high polymer
Molecule based composite material.In the composite material graphene reinforcement with continuous three-dimensional network formal rule be arranged in matrix it
In, it can assign composite material considerable electric conductivity in the case of few dosage, while the continuity of matrix is not destroyed, it protects
Hold good mechanical strength.
Advantages of the present invention and advantageous effect are：
(1) present invention is using the graphene garland of graphene paper film preparation as conducting function component, in the feelings of seldom volume
The three dimensions contiguous network needed for electron transport can be obtained under condition, while assigning composite material excellent conductive capability,
Reach cost-effective target.
(2) present invention can obtain high performance graphene garland/composite material of thermoplastic macromolecule, it is characterized in that graphene
Garland keeps sufficient continuity with macromolecule matrix in composite construction, while excellent conductive ability is obtained, also protects
Good stress transfer between graphene garland and macromolecule matrix is demonstrate,proved, so as to fulfill good mechanical property.
(3) process conditions of preparation method provided by the present invention are simple, manipulation is convenient, are easily achieved the spies such as technique amplification
Point, composite property are excellent, reproducible.
Description of the drawings
Fig. 1 a- Fig. 1 b are the optical photograph of graphene paper " garland ".Wherein, Fig. 1 a are parallel for graphene paper film and surface
Incision site schematic diagram；Fig. 1 b are graphene " garland " obtained by two directions tension after graphene paper membrane notches.
Fig. 2 is affecting laws of sodium carboxymethylcellulose (CMC) volume to graphene paper film conductivity and tensile strength,
Pressure is 25MPa during film forming.
Fig. 3 is briquetting pressure to the affecting laws of graphene paper film conductivity and tensile strength, and carboxymethyl is fine during film forming
Plain sodium (CMC) the toughener volume of dimension is the 75% of graphene quality.
Fig. 4 is improvement of the graphene paper garland to polyvinyl chloride based conductive composite material elasticity modulus, wherein graphite
The tensile strength of alkene paper is 0.58MPa, electrical conductivity 27.8Scm.
Fig. 5 is graphene paper garland to polyvinyl chloride based conductive composite material glass phase transition temperature TgAffecting laws,
Wherein the tensile strength of graphene paper is 0.58MPa, electrical conductivity 27.8Scm.
Specific embodiment
In specific implementation process, the present invention introduces appropriate dispersant and toughener system using graphene as raw material
Standby graphene paper film, then graphene paper film is die cut, pulls to obtain the graphene garland of 3 D stereo, finally by
A kind of graphene garland/thermal plastic high polymer conducing composite material is combined with thermal plastic high polymer, this method mainly includes
Following steps：
(1) graphene uniform is scattered in distilled water first, adds in the dispersant and toughener of appropriate species and quantity,
2~8h of ultrasound to fully dispersed, then through be filtered by vacuum, suppress it is closely knit after film forming (see Fig. 1 a)；
(2) graphene paper film of the use with appropriate intensity and satisfactory electrical conductivity, surface parallel cuts (see Fig. 1 a), two
The appropriate reinforcing in end forms it into " garland " formula space lattice (see Fig. 1 b), is fixed in casting mold；
(3) thermal plastic high polymer is warming up on softening point 20~50 DEG C, it is made to be converted into the liquid with good fluidity
Body state, is poured into mold rapidly, and the thermal plastic high polymer base of graphene garland modification is obtained after macromolecule cooling, curing
Composite material.
In order to be best understood from the present invention, the present invention is expanded on further with reference to embodiment, but present invention protection content
It is not limited solely to the embodiment.
Embodiment 1
Commercially available graphene is selected, is produced using metal ion intercalation plavini, graphene film number of layers 3~10, average value
5,1~5 μm of lamella size, about 50 μm of the offspring equivalent diameter in water under dispersion condition.
The step of preparing polyvinyl chloride-based graphene garland denatured conductive composite material includes：
(1) 150 parts of polyvinyl chloride (PVC), 0.5 part of graphene, 0.05 part of polyvinylpyrrolidone (PVP), carboxylic first are weighed
0.25 part of base sodium cellulosate (CMC).Wherein, the dosage of polyvinylpyrrolidone is the 10% of graphene quality, carboxymethyl cellulose
The mass ratio of plain sodium and graphene is 50%.
(2) graphene uniform is scattered in distilled water, the mass ratio of graphene and distilled water is 1:100, it adds in scattered
Film forming is filtered by vacuum after ultrasonic 8h for agent polyvinylpyrrolidone and toughener sodium carboxymethylcellulose, further compacting (shaping pressure
Power 25MPa) afterwards gained about 100 μm of film thickness (see Fig. 1 a)；The performance test results show the stretching of gained graphene paper film
Intensity is 0.58MPa, fracture elongation (limit elongation 1.34%), and electrical conductivity 27.8S/cm is shown in Fig. 2.
(3) using the graphene paper film with appropriate intensity and satisfactory electrical conductivity, surface parallel cuts, incision length
1cm, spacing 0.5cm, are shown in Fig. 1 a；Both ends suitably reinforcing forms it into " garland " formula space lattice (see Fig. 1 b), and is fixed
In casting mold；
(4) polyvinyl chloride is warming up to 98 DEG C (higher than 20 DEG C of softening point), it is made to be converted into the fluid with good fluidity
State is poured into mold rapidly, and the thermal plastic high polymer base of graphene garland modification is obtained after polyvinyl chloride cooling, curing
Composite material.
Performance test is found, under the conditions of 3 points of bendings, the springform of graphene garland/polyvinyl chloride conducing composite material
Amount improves 24.8%, and referring to Fig. 4, glass phase transition temperature improves 20.2 DEG C, and excellent electric conductivity.
Embodiment 2
The polyvinyl chloride based conductive composite material of graphene garland modification is made by each step of embodiment 1, difference is：
The dosage of polyvinyl chloride is adjusted to 100 parts in step (1), other preparation processes are identical with condition.Gained graphene garland/polychlorostyrene
The elasticity modulus of ethylene composite material improves 19.4%, referring to Fig. 4；Glass phase transition temperature improves 20.6 DEG C, multiple referring to Fig. 5
Condensation material excellent electric conductivity.
Embodiment 3
The polyvinyl chloride based conductive composite material of graphene garland modification is made by each step of embodiment 1, difference is：
The mass ratio of graphene and distilled water is 1 in step (2):20, other preparation processes are identical with condition.The garland of gained graphene/
The elasticity modulus of polyvinyl chloride composite materials improves 18.4%, referring to Fig. 4；Glass phase transition temperature improves 20.3 DEG C, composite wood
Expect excellent electric conductivity.
Embodiment 4
The polyvinyl chloride based conductive composite material of graphene garland modification is made by each step of embodiment 1, difference is：
The ultrasonic time of preparation process (2) is adjusted to 2h.The thickness of gained graphene paper film is 200 μm, and tensile strength is
0.52MPa, fracture elongation (limit elongation 1.02%), electrical conductivity 22.5S/cm；Graphene garland/polyvinyl chloride composite wood
The elasticity modulus of material improves 18.2%, and glass phase transition temperature improves 19.1 DEG C, and electric conductivity is good.
Embodiment 5
The polyvinyl chloride based conductive composite material of graphene garland/modification is made by each step of embodiment 1, difference exists
In：The briquetting pressure of preparation process (2) is adjusted to 5MPa.The thickness of gained graphene paper film is 200 μm, and tensile strength is
0.46MPa, fracture elongation (limit elongation 1.18%), electrical conductivity 24.4S/cm are shown in Fig. 3；Graphene garland/polyvinyl chloride
The elasticity modulus of composite material improves 15.6%, and glass phase transition temperature improves 20.4 DEG C, and electric conductivity is good.
Embodiment 6
The polyvinyl chloride based conductive composite material of graphene garland/modification is made by each step of embodiment 1, difference exists
In：The volume of the toughener sodium carboxymethylcellulose of preparation process (1) is adjusted to 1.0 parts, the i.e. quality of toughener and graphene
Than for 200%.The thickness of gained graphene paper film is 180 μm, tensile strength 1.2MPa, fracture elongation (ultimate extension
Rate 1.98%), electrical conductivity 20.4S/cm；The elasticity modulus of graphene garland/polyvinyl chloride composite materials improves 17.4%, glass
Phase transition temperature improves 15.2 DEG C, and electric conductivity is good.
Embodiment 7
The polyvinyl chloride based conductive composite material of graphene garland modification is made by each step of embodiment 1, difference is：
Used graphene is prepared by chemical vapor deposition CVD method, piece number of layers be 1 (i.e. single-layer graphene), lamella size 1
μm；The dosage of polyethylene of dispersing agent pyrrolidones is adjusted to 0.15 part in preparation process (1), and sodium carboxymethylcellulose is adjusted to
1.0 parts, i.e. the mass ratio of polyvinylpyrrolidone and graphene is 30%, and the mass ratio of sodium carboxymethylcellulose and graphene is
200%.The thickness of gained graphene paper film is 150 μm, tensile strength 1.31MPa, fracture elongation (limit elongation
1.56%), electrical conductivity 23.3S/cm；The elasticity modulus of graphene garland/polyvinyl chloride composite materials improves 13.6%, glass phase
Transition temperature improves 20.8 DEG C, and electric conductivity is good.
Embodiment 8
The polyvinyl chloride based conductive composite material of graphene garland modification is made by each step of embodiment 1, difference is：
Used graphene is prepared by oxidation-reduction method, piece number of layers be 3~10 (average out to 8), 100 μm of lamella size；Step
Suddenly (1) uses dispersant to be adjusted to neopelex (SDBS), and volume is the 30% of graphene quality.Gained graphite
The thickness of alkene paper film is 120 μm, tensile strength 0.93MPa, fracture elongation (limit elongation 1.42%), electrical conductivity
20.3S/cm；The elasticity modulus of graphene garland/polyvinyl chloride composite materials improves 15.7%, and glass phase transition temperature improves
20.9 DEG C, and electric conductivity is good.
Embodiment 9
The polyvinyl chloride based conductive composite material of graphene garland modification is made by each step of embodiment 1, difference is：
The thermal plastic high polymer matrix of preparation process (1) is adjusted to polyethylene (PE), and step (3) warming temperature is accordingly improved to 175 DEG C
(being higher than 50 DEG C of softening point).The elasticity modulus of gained graphene garland/composite polyethylene material improves 13.4%, glass phase transition
Temperature improves 14.2 DEG C, and electric conductivity is good.
Embodiment 10
The thermal plastic high polymer based conductive composite material of graphene garland modification, difference are made by each step of embodiment 1
It is：The thermal plastic high polymer matrix of preparation process (1) is adjusted to polypropylene (PP), and step (3) warming temperature accordingly improves extremely
120 DEG C (being higher than 30 DEG C of softening point).The elasticity modulus of gained graphene garland/PP composite material improves 12.3%, glass
Phase transition temperature improves 10.5 DEG C, and electric conductivity is good.
Embodiment 11
The thermal plastic high polymer based conductive composite material of graphene garland modification, difference are made by each step of embodiment 1
It is：The thermal plastic high polymer matrix of preparation process (1) is adjusted to polystyrene (PS), and step (3) warming temperature accordingly improves
To 120 DEG C (being higher than 25 DEG C of softening point).The elasticity modulus of gained graphene garland/poly styrene composite material improves 18.5%,
Glass phase transition temperature improves 15.2 DEG C, and electric conductivity is good.
Embodiment 12
The thermal plastic high polymer based conductive composite material of graphene garland modification, difference are made by each step of embodiment 1
It is：The thermal plastic high polymer matrix of preparation process (1) is adjusted to polyethylene (PE), and step (3) warming temperature accordingly improves extremely
175 DEG C (being higher than 50 DEG C of softening point).The elasticity modulus of gained graphene garland/composite polyethylene material improves 13.4%, glass
Phase transition temperature improves 14.2 DEG C, and electric conductivity is good.
Embodiment 13
The thermal plastic high polymer based conductive composite material of graphene garland modification, difference are made by each step of embodiment 1
It is：The thermal plastic high polymer matrix of preparation process (1) is adjusted to nylon (Nylon), and step (3) warming temperature accordingly improves extremely
195 DEG C (being higher than 20 DEG C of softening point).The elasticity modulus of gained graphene garland/nylon composite materials improves 13.4%, glass phase
Transition temperature improves 14.2 DEG C, and electric conductivity is good.
Embodiment the result shows that, the present invention is formed first with graphene nano particle has certain mechanical strength and good
The graphene paper film of electric conductivity handles to obtain garland formula graphene three-dimensional space network through surface parallel cuts, drawing,
It is high that graphene garland/thermoplasticity obtained by the impregnating of large fluidity high molecular material, closely knit and cooling and solidifying under Elevated Temperature Conditions
Molecule conducing composite material.Composite inner graphene garland obtained by this method keeps height continuous with macromolecule matrix,
Excellent electric conductivity can be realized with less graphene volume, at the same assign the preferable mechanical strength of composite material and just
Property.In addition, the preparation method also has the characteristics that simple for process, manipulation is convenient, is easily achieved technique amplification, gained composite material
Mechanical property and conductive capability be obviously improved.
Claims (8)
1. a kind of preparation method of thermal plastic high polymer base graphene garland denatured conductive composite material, which is characterized in that including
Following steps：
(1) graphene uniform is scattered in distilled water first, the mass ratio of graphene and distilled water is 1:20~1:100 add in
Dispersant and toughener, 2~8h of ultrasound to fully dispersed, then through be filtered by vacuum, suppress it is closely knit after form graphene paper film；
(2) using graphene paper film, parallel cuts are processed on surface, and apply tensile stress in both ends, form it into " stone
Black alkene garland " formula space lattice, graphene garland is fixed in casting mold；
(3) thermoplastic macromolecule material is warming up on softening point 20~50 DEG C, it is made to be converted into the stream with good fluidity
Body state, is poured into mold rapidly, and the thermoplastic of graphene garland modification is obtained after thermoplastic macromolecule material cooling, curing
Property polymer-based composite.
2. the preparation method of thermal plastic high polymer base graphene garland denatured conductive composite material according to claim 1,
It is characterized in that, in step (1), 1~10 layer, 0.3~3nm of thickness of the graphene film layer number of use, 1~100 μ of lamella size
m。
3. the preparation method of thermal plastic high polymer base graphene garland denatured conductive composite material according to claim 1,
It is characterized in that, in step (1), dispersant is polyvinylpyrrolidone or neopelex, and dosage is graphene
The 10%~30% of quality.
4. the preparation method of thermal plastic high polymer base graphene garland denatured conductive composite material according to claim 1,
It is characterized in that, in step (1), toughener is sodium carboxymethylcellulose, the mass ratio of toughener and graphene 50%~
Between 200%.
5. the preparation method of thermal plastic high polymer base graphene garland denatured conductive composite material according to claim 1,
It is characterized in that, in step (2), 20~200 μm of the thickness of graphene paper film, tensile strength must not be less than 0.4MPa, conductance
Rate must not be less than 20S/cm.
6. the preparation method of thermal plastic high polymer base graphene garland denatured conductive composite material according to claim 1,
It is characterized in that, in step (3), thermoplastic macromolecule material uses polyethylene, polypropylene, polystyrene, polyvinyl chloride or Buddhist nun
Dragon.
7. the preparation method of thermal plastic high polymer base graphene garland denatured conductive composite material according to claim 1,
It is characterized in that, thermal plastic high polymer base graphene garland denatured conductive composite material, " to be drawn made of graphene paper film
Flower " formula three-dimensional space grid is reinforcement, and thermal plastic high polymer is matrix, and reinforcement is kept with matrix in composite inner
It is overall continuous.
8. the preparation side of the thermal plastic high polymer base graphene garland denatured conductive composite material according to claim 1 or 7
Method, which is characterized in that according to the mass fraction, contain in thermal plastic high polymer base graphene garland denatured conductive composite material：Heat
100~150 parts of plastic macromolecule material, 0.3~1 part of graphene garland and dispersant and toughener, dispersant are graphene
The mass ratio of the 10%~30% of quality, toughener and graphene is between 50%~200%.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105463612A (en) * | 2015-12-17 | 2016-04-06 | 中国科学院重庆绿色智能技术研究院 | Graphene quantum dot reinforced polyarmide fiber and preparation method thereof |
| CN105502350A (en) * | 2015-11-29 | 2016-04-20 | 南京新月材料科技有限公司 | Graphene oxide and ionic liquid composite film and preparation method thereof |
| CN105609217A (en) * | 2016-02-22 | 2016-05-25 | 京东方科技集团股份有限公司 | Graphene transparent electrode, fabrication method thereof and display device |
| CN106045515A (en) * | 2016-06-01 | 2016-10-26 | 斯迪克新型材料（江苏）有限公司 | Preparation method of graphene-polyimide composite heat conducting film |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105502350A (en) * | 2015-11-29 | 2016-04-20 | 南京新月材料科技有限公司 | Graphene oxide and ionic liquid composite film and preparation method thereof |
| CN105463612A (en) * | 2015-12-17 | 2016-04-06 | 中国科学院重庆绿色智能技术研究院 | Graphene quantum dot reinforced polyarmide fiber and preparation method thereof |
| CN105609217A (en) * | 2016-02-22 | 2016-05-25 | 京东方科技集团股份有限公司 | Graphene transparent electrode, fabrication method thereof and display device |
| CN106045515A (en) * | 2016-06-01 | 2016-10-26 | 斯迪克新型材料（江苏）有限公司 | Preparation method of graphene-polyimide composite heat conducting film |
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