CN107312318A - A kind of graphene conductive composite material and preparation method thereof - Google Patents
A kind of graphene conductive composite material and preparation method thereof Download PDFInfo
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- CN107312318A CN107312318A CN201710628364.8A CN201710628364A CN107312318A CN 107312318 A CN107312318 A CN 107312318A CN 201710628364 A CN201710628364 A CN 201710628364A CN 107312318 A CN107312318 A CN 107312318A
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K7/24—Expanded, porous or hollow particles inorganic
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- C08L29/00—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 an alcohol, ether, aldehydo, ketonic, acetal or ketal radical; Compositions of hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Compositions of derivatives of such polymers
- C08L29/02—Homopolymers or copolymers of unsaturated alcohols
- C08L29/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
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- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
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Abstract
The invention discloses a kind of graphene conductive composite material and preparation method thereof, graphene conductive composite material, it is made up of graphene nanometer sheet, CNT, conductive black and polymeric matrix, and the parts by weight of each component are as follows：0.01~10 part of graphene nanometer sheet, 1~10 part of CNT, 5~20 parts of conductive black, 10~100 parts of polymeric matrix.Graphene nanometer sheet is first loaded on the carbon nanotubes in the present invention, then polymeric matrix is supported on together, so that the electric conductivity for leading the conducing composite material of the present invention is significantly improved, and the invention provides a kind of preparation method of above-mentioned graphene composite material is simple to operate, filler is uniformly dispersed, the conducing composite material quality of preparation is good, conducts electricity very well.
Description
Technical field
The present invention relates to technical field of composite materials, more particularly to a kind of graphene conductive composite material and its preparation side
Method.
Background technology
Graphene is that one kind has sp2The carbonaceous of the tightly packed bi-dimensional cellular shape lattice structure of the carbon atom of hydridization is new
Material, thickness is one or more atomic layers.Graphene shows excellent electron transport ability, at room temperature its electron mobility
Up to 15000cm2/VS.
The key for preparing High-performance graphene/composite conducting polymer material is to obtain the number of plies single graphene and stone
Black alkene in the polymer dispersed.Up to the present, graphene can be obtained by four kinds of methods once：Chemical vapor deposition
Method, epitaxial growth method, mechanical stripping method and oxidation-reduction method, only oxidation-reduction method cause a large amount of graphenes to be applied to composite wood
Material.Graphene/polymer composites can realize the mutual supplement with each other's advantages and reinforcement of material, and graphene can be greatly enhanced polymerization
The mechanical performance of thing material, this is due to that graphene has a high specific surface area, strong nano material-basal body interface effect and
sp2The excellent mechanical properties of hydridization.Graphene/polymer composites have good electric conductivity, can be widely applied to surpass
Level capacitor, automobile antistatic mud guard, door handle, mirror case and Turnover Box etc..The system of current graphene/polymer composites
Preparation Method can be using melting, solution and local reduction way, but only the method for melt blending can realize industrialized production, can
It is that electric conductivity cannot be sufficient accompanying problem is that graphene from agglomeration traits, can so influence its electrical conductivity
Play.
The content of the invention
It is an object of the invention to provide the graphene conductive composite material that a kind of graphene nanometer sheet, CNT are combined
And preparation method thereof, this method preparation manipulation is simple, and filler is uniformly dispersed, and the conducing composite material quality of preparation is good, electric conductivity
Can be good.
In order to realize above-mentioned technical purpose, above-mentioned technique effect is reached, the present invention is achieved through the following technical solutions：
A kind of graphene conductive composite material, it is by graphene nanometer sheet, CNT, conductive black and polymer matrix
Body is constituted, and the parts by weight of each component are as follows：0.01~10 part of graphene nanometer sheet, 1~10 part of CNT, conductive black 5~
20 parts, 10~100 parts of polymeric matrix.
Further, the graphene nanometer sheet area load has amphiphilic macrocyclic compound.
Further, the polymeric matrix is soluble polyurethane, polyvinyl alcohol, water-soluble epoxy resin and water solubility
One or more in acrylic resin.
One kind prepares above-mentioned graphene conductive composite material, and this method is comprised the following specific steps that：
Step 1：The aqueous dispersions of graphene nanometer sheet, add CNT thereto, are sufficiently mixed uniformly, obtain first
Mix thing liquid.
Step 2：Polymeric matrix is added in the first mixing thing liquid, is well mixed, it is ultrasonically treated, obtain second
Mix thing liquid；
Step 3：Conductive black is added in the second mixing thing liquid, after being well mixed, is placed in baking oven and dries, remove
Go after water, obtain the polymer matrix conductive composite of graphene-containing nanometer sheet and CNT.
The beneficial effects of the invention are as follows：
A kind of graphene conductive composite material of the present invention and preparation method thereof, stone is added in the conducing composite material
Black alkene nanometer sheet, CNT, graphene nanometer sheet are first loaded on the carbon nanotubes, and polymeric matrix is then supported on together,
So that the electric conductivity for leading the conducing composite material of the present invention is significantly improved, and the preparation method operation letter of the present invention
Single, filler is uniformly dispersed, and the conducing composite material quality of preparation is good, conducts electricity very well.
Embodiment
To enable the purpose of the present invention, feature, advantage more obvious and understandable, below in the embodiment of the present invention
Technical scheme is clearly and completely described, it is clear that the embodiments described below are only a part of embodiment of the invention,
And not all embodiments.Based on the embodiment in the present invention, the every other embodiment that those skilled in the art is obtained, all
Belong to the scope of protection of the invention.
Embodiment 1
One kind prepares above-mentioned graphene conductive composite material, and this method is comprised the following specific steps that：
Step 1：Aqueous dispersions prepared by 5 parts by weight of graphite alkene nanometer sheets, add 5 parts by weight of carbon nanotubes, fill thereto
Divide well mixed, obtain the first mixing thing liquid.
Step 2：50 parts by weight polymer matrixes are added in the first mixing thing liquid, are well mixed, it is ultrasonically treated,
Obtain the second mixing thing liquid；
Step 3：10 parts by weight conductive blacks are added in the second mixing thing liquid, after being well mixed, 60 DEG C are placed in
Dry 30 minutes, remove after water, the polyurethane matrix conduction for obtaining graphene-containing nanometer sheet and CNT is compound in baking oven
Material.
Preferred as one of the present embodiment, the polymeric matrix is soluble polyurethane, polyvinyl alcohol, water-soluble ring
One or more in oxygen tree fat and water soluble acrylic resin.
Preferred as one of the present embodiment, the graphene nanometer sheet area load has the amphipathic aromatic hydrocarbons of post five.
Embodiment 2
One kind prepares above-mentioned graphene conductive composite material, and this method is comprised the following specific steps that：
Step 1：Aqueous dispersions prepared by 8 parts by weight of graphite alkene nanometer sheets, add 8 parts by weight of carbon nanotubes, fill thereto
Divide well mixed, obtain the first mixing thing liquid.
Step 2：80 parts by weight polymer matrixes are added in the first mixing thing liquid, are well mixed, it is ultrasonically treated,
Obtain the second mixing thing liquid；
Step 3：15 parts by weight conductive blacks are added in the second mixing thing liquid, after being well mixed, 65 DEG C are placed in
Dry 25 minutes, remove after water, the polyurethane matrix conduction for obtaining graphene-containing nanometer sheet and CNT is compound in baking oven
Material.
Preferred as one of the present embodiment, polymeric matrix is soluble polyurethane, polyvinyl alcohol, soluble epoxide tree
One or more in fat and water soluble acrylic resin.
Preferred as one of the present embodiment, the graphene nanometer sheet area load has the amphipathic aromatic hydrocarbons of post six.
Embodiment 3
One kind prepares above-mentioned graphene conductive composite material, and this method is comprised the following specific steps that：
Step 1：Aqueous dispersions prepared by 10 parts by weight of graphite alkene nanometer sheets, add 10 parts by weight of carbon nanotubes thereto,
It is sufficiently mixed uniformly, obtains the first mixing thing liquid.
Step 2：100 parts by weight polymer matrixes are added in the first mixing thing liquid, are well mixed, at ultrasound
Reason, obtains the second mixing thing liquid；
Step 3：18 parts by weight conductive blacks are added in the second mixing thing liquid, after being well mixed, 50 DEG C are placed in
Dry 40 minutes, remove after water, the polyurethane matrix conduction for obtaining graphene-containing nanometer sheet and CNT is compound in baking oven
Material.
Preferred as one of the present embodiment, the polymeric matrix is soluble polyurethane, polyvinyl alcohol, water-soluble ring
One or more in oxygen tree fat and water soluble acrylic resin.
Preferred as one of the present embodiment, the graphene nanometer sheet area load has the amphipathic aromatic hydrocarbons of post ten.
Embodiment 4
One kind prepares above-mentioned graphene conductive composite material, and this method is comprised the following specific steps that：
Step 1：Aqueous dispersions prepared by 3 parts by weight of graphite alkene nanometer sheets, add 5 parts by weight of carbon nanotubes, fill thereto
Divide well mixed, obtain the first mixing thing liquid.
Step 2：20 parts by weight polymer matrixes are added in the first mixing thing liquid, are well mixed, it is ultrasonically treated,
Obtain the second mixing thing liquid；
Step 3：5 parts by weight conductive blacks are added in the second mixing thing liquid, after being well mixed, 60 DEG C of bakings are placed in
Dried 30 minutes in case, remove after water, obtain the conductive composite wood of the polyurethane matrix of graphene-containing nanometer sheet and CNT
Material.
Preferred as one of the present embodiment, the polymeric matrix is soluble polyurethane, polyvinyl alcohol, water-soluble ring
One or more in oxygen tree fat and water soluble acrylic resin.
Preferred as one of the present embodiment, the graphene nanometer sheet area load has the amphipathic aromatic hydrocarbons of post seven.
Embodiment 5
One kind prepares above-mentioned graphene conductive composite material, and this method is comprised the following specific steps that：
Step 1：Aqueous dispersions prepared by 6 parts by weight of graphite alkene nanometer sheets, add 8 parts by weight of carbon nanotubes, fill thereto
Divide well mixed, obtain the first mixing thing liquid.
Step 2：30 parts by weight polymer matrixes are added in the first mixing thing liquid, are well mixed, it is ultrasonically treated,
Obtain the second mixing thing liquid；
Step 3：10 parts by weight conductive blacks are added in the second mixing thing liquid, after being well mixed, 62 DEG C are placed in
Dry 30 minutes, remove after water, the polyurethane matrix conduction for obtaining graphene-containing nanometer sheet and CNT is compound in baking oven
Material.
Preferred as one of the present embodiment, the polymeric matrix is soluble polyurethane, polyvinyl alcohol, water-soluble ring
One or more in oxygen tree fat and water soluble acrylic resin.
Preferred as one of the present embodiment, the graphene nanometer sheet area load has the amphipathic aromatic hydrocarbons of post seven.
Embodiment 5
One kind prepares above-mentioned graphene conductive composite material, and this method is comprised the following specific steps that：
Step 1：Aqueous dispersions prepared by 4 parts by weight of graphite alkene nanometer sheets, add 10 parts by weight of carbon nanotubes, fill thereto
Divide well mixed, obtain the first mixing thing liquid.
Step 2：40 parts by weight polymer matrixes are added in the first mixing thing liquid, are well mixed, it is ultrasonically treated,
Obtain the second mixing thing liquid；
Step 3：15 parts by weight conductive blacks are added in the second mixing thing liquid, after being well mixed, 55 DEG C are placed in
Dry 40 minutes, remove after water, the polyurethane matrix conduction for obtaining graphene-containing nanometer sheet and CNT is compound in baking oven
Material.
Preferred as one of the present embodiment, the polymeric matrix is soluble polyurethane, polyvinyl alcohol, water-soluble ring
One or more in oxygen tree fat and water soluble acrylic resin.
Preferred as one of the present embodiment, the graphene nanometer sheet area load has the amphipathic aromatic hydrocarbons of post eight.
Although the above-mentioned embodiment to the present invention is described, not to the limit of the scope of the present invention
System, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art need not pay
Go out various modifications or deform still within the scope of the present invention that creative work can make.
Claims (4)
1. a kind of graphene conductive composite material, it is characterised in that its by graphene nanometer sheet, CNT, conductive black with
And polymeric matrix is constituted, the parts by weight of each component are as follows：0.01~10 part of graphene nanometer sheet, 1~10 part of CNT, lead
Electric 5~20 parts of carbon black, 10~100 parts of polymeric matrix.
2. graphene conductive composite material according to claim 1, it is characterised in that bear on the graphene nanometer sheet surface
It is loaded with amphiphilic macrocyclic compound.
3. graphene conductive composite material according to claim 1, it is characterised in that the polymeric matrix is water solubility
One or more in polyurethane, polyvinyl alcohol, water-soluble epoxy resin and water soluble acrylic resin.
4. a kind of method for preparing graphene conductive composite material according to claim 1, this method includes following specific step
Suddenly：
One kind prepares above-mentioned graphene conductive composite material, and this method is comprised the following specific steps that：
Step 1：The aqueous dispersions of graphene nanometer sheet, add CNT thereto, are sufficiently mixed uniformly, obtain the first mixing
Thing liquid.
Step 2：Polymeric matrix is added in the first mixing thing liquid, is well mixed, it is ultrasonically treated, obtain the second mixing
Thing liquid；
Step 3：Conductive black is added in the second mixing thing liquid, after being well mixed, is placed in baking oven and dries, remove water
Afterwards, the polymer matrix conductive composite of graphene-containing nanometer sheet and CNT is obtained.
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Cited By (5)
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| CN108978348A (en) * | 2018-08-23 | 2018-12-11 | 温州誉诚包装有限公司 | A kind of conductive paper of good combination property and preparation method thereof |
| CN109294131A (en) * | 2018-08-09 | 2019-02-01 | 东华大学 | A kind of polyvinyl alcohol/graphene conductive nanocomposite and its preparation and application |
| CN110256815A (en) * | 2019-06-25 | 2019-09-20 | 山东斯恩特纳米材料有限公司 | A kind of novel toughening conductive epoxy resin composite material and preparation method |
| CN111961232A (en) * | 2020-09-09 | 2020-11-20 | 江苏江南烯元石墨烯科技有限公司 | Efficient medical graphene conductive gel and preparation method thereof |
| CN112111145A (en) * | 2020-08-21 | 2020-12-22 | 东莞市雄林新材料科技股份有限公司 | Conductive TPU film and preparation method thereof |
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| CN111961232A (en) * | 2020-09-09 | 2020-11-20 | 江苏江南烯元石墨烯科技有限公司 | Efficient medical graphene conductive gel and preparation method thereof |
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