CN110331589A - Graphene conductive slurry and its preparation method and application - Google Patents
Graphene conductive slurry and its preparation method and application Download PDFInfo
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- CN110331589A CN110331589A CN201810228683.4A CN201810228683A CN110331589A CN 110331589 A CN110331589 A CN 110331589A CN 201810228683 A CN201810228683 A CN 201810228683A CN 110331589 A CN110331589 A CN 110331589A
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D19/00—Gloves
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
- D06M11/74—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon or graphite; with carbides; with graphitic acids or their salts
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D2600/00—Uses of garments specially adapted for specific purposes
- A41D2600/20—Uses of garments specially adapted for specific purposes for working activities
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/20—Polyalkenes, polymers or copolymers of compounds with alkenyl groups bonded to aromatic groups
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/34—Polyamides
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Conductive Materials (AREA)
Abstract
The present invention provides a kind of graphene conductive slurry and its preparation method and application, wherein the preparation method of the graphene conductive slurry includes: to prepare graphene pre-dispersed liquid: in a solvent by graphene dispersion；It prepares graphene dispersing solution: the graphene pre-dispersed liquid is ground；With prepare graphene conductive slurry: the graphene dispersing solution is blended with solvent and resin.The present invention also prepares a kind of knitting labour protection conductive glove using graphene conductive slurry, this safety and industrial gloves still has good electric conductivity in the case where glue-line is relatively thin, and when graphene content is 2% or so in glue-line, glue-line surface resistance is up to 107Ω。
Description
Technical field
The present invention substantially relates to a kind of conducing composite material field, and in particular to a kind of graphene conductive slurry and its application.
Background technique
In conductive glove field, partially weaved using conductive fiber, but conductive fiber generally has material bullet itself
Property it is insufficient and brittleness is larger, when use, is easy to be destroyed, and conductive material is once damaged, and will seriously affect the usability of fiber
And conductive capability；Also there is partially electronically conductive fiber that can accomplish resilience and electric conductivity all in higher level, but because of selling at exorbitant prices
And be limited, the preparation process of conductive fiber is complex compared with general fibre, and highest can be 50 times poor in price.Secondly, one
A little manufacturers realize gloves conduction as conductive additive using ITO or conductive silver paste, but contain rare metal indium in ITO, lead
Containing silver in electric silver paste, resource is precious and non-renewable, and price is also high all the way while resource is increasingly reduced.And graphite material
It is widely used with high electrical conductivity, high stability, rich reserves and the performances such as at low cost in conductive field, however ontology stone
The solvent-dispersible and film forming of ink material are poor, and surface is more coarse, are easy picking.
The content of background technology part is only the technology that inventor is known, not the existing skill of natural representative this field
Art.
Summary of the invention
For the prior art, there are one or more of problems, and in one aspect of the invention, the present invention provides one kind
The preparation method of graphene conductive slurry, comprising:
Prepare graphene pre-dispersed liquid: in a solvent by graphene dispersion；
It prepares graphene dispersing solution: the graphene pre-dispersed liquid is ground；With
It prepares graphene conductive slurry: the graphene dispersing solution is blended with solvent and resin.
According to an aspect of the present invention, in described the step of preparing graphene pre-dispersed liquid, oxygen in the graphene
Mass fraction≤1%, BET >=450m2/g。
According to an aspect of the present invention, in described the step of preparing graphene pre-dispersed liquid, the solvent is organic molten
Agent.
According to an aspect of the present invention, described to be dispersed in high-speed stirring in described the step of preparing graphene pre-dispersed liquid
Dispersed under the conditions of mixing, the mixing speed of the high-speed stirred is 1500-2500rpm, time 20-40min.
According to an aspect of the present invention, in described the step of preparing graphene pre-dispersed liquid, add also into the solvent
Enter dispersing agent, the dispersing agent includes organic solvent dispersing agent.
According to an aspect of the present invention, in described the step of preparing graphene pre-dispersed liquid, the dispersing agent be PVP,
One of SDBA or EFKA PX 4701 or a variety of.
According to an aspect of the present invention, in described the step of preparing graphene pre-dispersed liquid, the solvent, graphene and
The mass ratio of dispersing agent is 100:(1-3): (0.2-1).
According to an aspect of the present invention, in described the step of preparing graphene dispersing solution, the graphene is pre-dispersed
Liquid is ground to partial size D50≤1.6um.
According to an aspect of the present invention, in described the step of preparing graphene conductive slurry, the resin includes PU.
According to an aspect of the present invention, the resin after blending, molten in described the step of preparing graphene conductive slurry
The mass ratio of agent and graphene is 100:(150-200): (0.4-0.8).
According to an aspect of the present invention, in described the step of preparing graphene conductive slurry, the blending is in high speed
It is blended under stirring condition, the mixing speed of the high-speed stirred is 500-1500rpm, mixing time 0.5-2h.
In another aspect of this invention, a kind of graphene conductive slurry is provided, according to above-mentioned graphene conductive slurry
Preparation method is prepared.
In another aspect of this invention, above-mentioned graphene conductive slurry is provided in preparing wearable conductive articles
Using.
In another aspect of this invention, the method that above-mentioned graphene conductive slurry prepares conductive glove is provided, comprising:
By the infiltration of gloves body into graphene conductive slurry, taking-up is drained；
It is immersed in the water after draining, takes out drying, obtain conductive glove.
According to an aspect of the present invention, the material of the gloves body includes nylon, terylene or HPPE.
According to an aspect of the present invention, good hand is covered in advance before the infiltration to graphene conductive slurry by gloves body
Mould.
According to an aspect of the present invention, the infiltration is arrived to infiltrate the interior facies palmaris of the gloves body and finger position
In graphene conductive slurry, the infiltrating time is 3-20S.
According to an aspect of the present invention, described to drain by the way of vacantly draining.
According to an aspect of the present invention, the immersion time in water is 1-5min.
According to an aspect of the present invention, the drying is dried using baking oven, and the temperature of the drying is 50-80
DEG C, time 1.5-2h.
In another aspect of this invention, a kind of conductive glove, including gloves body and conductive adhesive layer are provided, wherein described
Gloves body is nylon gloves body, terylene gloves body or HPPE gloves body, and graphene content is in the conductive adhesive layer
1%-6%.
Specific embodiment
Hereinafter, certain exemplary embodiments are simply just described.As one skilled in the art will recognize that
Like that, without departing from the spirit or scope of the present invention, described embodiment can be modified by various different modes.
Therefore, be described below be considered essentially it is illustrative rather than restrictive.
Following disclosure provides many different embodiments or example is used to realize different structure of the invention.In order to
Simplify disclosure of the invention, hereinafter the component of specific examples and setting are described.Certainly, they are merely examples, and
And it is not intended to limit the present invention.In addition, the present invention can in different examples repeat reference numerals and/or reference letter,
This repetition is for purposes of simplicity and clarity, itself not indicate between discussed various embodiments and/or setting
Relationship.In addition, the present invention provides various specific techniques and material example, but those of ordinary skill in the art can be with
Recognize the application of other techniques and/or the use of other materials.
Hereinafter, preferred embodiments of the present invention will be described, it should be understood that preferred embodiment described herein is only used
In the description and interpretation present invention, it is not intended to limit the present invention.
In an embodiment of the invention, the present invention provides a kind of preparation method of graphene conductive slurry, comprising:
Prepare graphene pre-dispersed liquid: in a solvent by graphene dispersion；
It prepares graphene dispersing solution: the graphene pre-dispersed liquid is ground；With
It prepares graphene conductive slurry: the graphene dispersing solution is blended with solvent and resin.
According to an aspect of the present invention, in described the step of preparing graphene pre-dispersed liquid, oxygen in the graphene
Mass fraction≤1%, such as: 0.1%, 0.2%, 0.3%, 0.4%, 0.5%, 0.6%, 0.7%, 0.8%, 0.9%, 1%,
Deng；BET≥450m2/ g, such as: 450m2/g、460m2/g、470m2/g、480m2/g、490m2/g、500m2/g、510m2/g、
520m2/ g, etc..
The following table 1 shows graphene/polyurethane surface resistance made of the graphene of difference BET under identical graphene additive amount
It is worth result.
Table 1: when graphene additive amount is 2%, graphene/polyurethane surface resistance knot made of the graphene of different BET
Fruit
| BET(m2/g) | Surface resistance (Ω) |
| 220 | 1010-1011 |
| 404 | 107 |
| 427 | 107 |
| 456 | 105-106 |
| 475 | 105-106 |
Compound film conductivity as the graphene that table 1 can be seen that different BET is prepared is inconsistent, wherein in graphite
When alkene content is 2%, as BET > 450, electric conductivity is preferable, and surface resistance reaches 105-106Requirement.The graphite of same amount
Alkene, the more big conductive network more easy to form of specific surface area reduce resistance to be easier conduction.
According to a preferred embodiment of the present invention, in described the step of preparing graphene pre-dispersed liquid, the solvent is
Organic solvent.
According to a preferred embodiment of the present invention, described to be dispersed in described the step of preparing graphene pre-dispersed liquid
To be dispersed under the conditions of high-speed stirred, the mixing speed of the high-speed stirred is 1500-2500rpm, such as: 1500rpm,
2000rpm, 2500rpm, etc.；Time are as follows: 20-40min, such as: 20min, 25min, 30min, 35min, 40min, etc..
According to a preferred embodiment of the present invention, in described the step of preparing graphene pre-dispersed liquid, also to described molten
Dispersing agent is added in agent, the dispersing agent includes organic solvent dispersing agent.
According to a preferred embodiment of the present invention, in described the step of preparing graphene pre-dispersed liquid, the dispersing agent
For one of PVP, SDBA or EFKA PX 4701 or a variety of.
According to a preferred embodiment of the present invention, in described the step of preparing graphene pre-dispersed liquid, the solvent, stone
The mass ratio of black alkene and dispersing agent is 100:(1-3): (0.2-1), such as: the mass ratio of the solvent, graphene and dispersing agent
For 100:1:0.2；The mass ratio of the solvent, graphene and dispersing agent is 100:3:0.2；The solvent, graphene and dispersion
The mass ratio of agent is 100:1:1；The mass ratio of the solvent, graphene and dispersing agent is 100:3:1；The solvent, graphene
Mass ratio with dispersing agent is 100:2:0.6；The mass ratio of the solvent, graphene and dispersing agent is 100:2:0.5, etc..
According to a preferred embodiment of the present invention, in described the step of preparing graphene dispersing solution, by the graphene
Pre-dispersed liquid is ground to partial size D50≤1.6um, such as 1.6um, 1.5um, 1.4um, 1.3um, 1.2um, 1.1um, 1.0um,
Deng.
According to a preferred embodiment of the present invention, in described the step of preparing graphene conductive slurry, the resin packet
Include PU.
According to a preferred embodiment of the present invention, described after blending in described the step of preparing graphene conductive slurry
The mass ratio of resin, solvent and graphene is 100:(150-200): (0.4-0.8), such as: the resin, solvent and graphene
Mass ratio be 100:150:0.8；The mass ratio of the resin, solvent and graphene is 100:150:0.4；It is the resin, molten
The mass ratio of agent and graphene is 100:200:0.4；The mass ratio of the resin, solvent and graphene is 100:200:0.8；Institute
The mass ratio for stating resin, solvent and graphene is 100:170:0.7；The mass ratio of the resin, solvent and graphene is 100:
170:0.8；The mass ratio of the resin, solvent and graphene is 100:200:0.7, etc..
According to a preferred embodiment of the present invention, in described the step of preparing graphene conductive slurry, the blending is
It being blended under high speed agitation, the mixing speed of the high-speed stirred is 500-1500rpm, such as: 500rpm,
700rpm, 900rpm, 1100rpm, 1300rpm, 1500rpm, etc.；Time are as follows: 0.5-2h, such as: 0.5h, 1h, 1.5h, 2h,
Deng.
In another embodiment of the present invention, a kind of graphene conductive slurry is provided, according to above-mentioned graphene conductive
The preparation method of slurry is prepared.
In another embodiment of the present invention, it provides above-mentioned graphene conductive slurry and is preparing wearable conductive material
Application in product.
In another embodiment of the present invention, the method that above-mentioned graphene conductive slurry prepares conductive glove is provided,
Include:
By the infiltration of gloves body into graphene conductive slurry, taking-up is drained；
It is immersed in the water after draining, takes out drying, obtain conductive glove.
According to a preferred embodiment of the present invention, the material of the gloves body includes nylon, terylene or HPPE.
According to a preferred embodiment of the present invention, prior before the infiltration to graphene conductive slurry by gloves body
Package fingerprint.
According to a preferred embodiment of the present invention, the infiltration is by the interior facies palmaris and finger position of the gloves body
Infiltrate in graphene conductive slurry, the infiltrating time be 3-20S, such as: 3S, 4S, 5S, 6S, 7S, 8S, 9S, 10S, 11S,
13S, 15S, 17S, 20S, etc..
According to a preferred embodiment of the present invention, described to drain by the way of vacantly draining.
According to a preferred embodiment of the present invention, the immersion time in water is 1-5min, such as: 1min,
2min, 3min, 4min, 5min, etc..
According to a preferred embodiment of the present invention, the drying is dried using baking oven, and the temperature of the drying is
50-80 DEG C, such as: 50 DEG C, 55 DEG C, 60 DEG C, 65 DEG C, 70 DEG C, 75 DEG C, 80 DEG C, etc.；The time of drying are as follows: 1.5-2h, such as:
1.5h, 1.6h, 1.7h, 1.8h, 1.9h, 2h, etc..
In another embodiment of the present invention, a kind of conductive glove, including gloves body and conductive adhesive layer are provided,
Described in gloves body be nylon gloves body, terylene gloves body or HPPE gloves body, graphene in the conductive adhesive layer
Content is 1%-6%, such as: 1%, 2%, 3%, 4%, 5%, 6%, etc..
It is an object of the present invention to prepare a kind of thin layer labour protection conductive glove using common knitted gloves, solve
Gloves prepare a kind of electrocondution slurry for this labour protection conductive glove for the demand in terms of labour protection and conduction, wherein
Electrocondution slurry cannot be only used for knitted gloves, apply also for the wearable conductive articles such as a variety of clothes, shoes and hats；Safety and industrial gloves is adopted
It is polyurethane with resin, with mechanical properties such as excellent wear-resisting, chemical corrosion resistance, stretch-prooves, and graphene is as one
Kind filler can improve mechanical property, electric conductivity, heat-resisting quantity of polyurethane material etc., to expand the application of polyurethane
Direction.Coating relatively thin in gloves simultaneously, can reduce material cost, improve gloves sensitivity and have excellent handle.
The present invention is light by a kind of density, and the filler (graphene) of good conductivity carries out after mixing sand milling with organic solvent DMF,
By the control to its partial size, realize that slurry is evenly dispersed, smooth exquisiteness, then with resin material (such as polyurethane) and organic molten
Agent DMF is blended, and prepares electrocondution slurry.So that resin material is become conductive from originally non-conductive, expands application range, improve
The wear-resisting of resin material, mechanics and chemical stability etc..Electrocondution slurry of the invention, which is stored, to be stablized, and easy to use, shelf life can
Up to 6 months or more, knitted gloves can be applied not only to, can also be applied to the wearable conductive material such as clothes, shoes and hats of various fabrics
In terms of product and various flexible materials, the functions such as foldable, bending are realized while conductive.
A kind of knitting labour protection conductive glove of novel containing graphene, this labor are also prepared in one embodiment of the present of invention
Protecting gloves still has good electric conductivity in the case where glue-line is relatively thin, when graphene content is 2% or so in glue-line, glue-line
Surface resistance is up to 107Ω, while realizing gloves conducting function, also achieve gloves it is apparent it is smooth, do not lose powder and have resistance to
The features such as grinding, is corrosion-resistant, because glue-line is relatively thin, gloves also have good sensitivity and feel.Except having common safety and industrial gloves
Puncture-resistant, the not labour protections function such as cracky, also there is sensitive touch screen, the flexible equal excellent properties of antistatic and wearing wear this
Gloves can realize sensitive touch screen, be not likely to produce dust and electrostatic, can be applied to weak current, precision instrument assembling, the examination and test of products, electricity
Sub- industry, printing and research institute examine work etc..And resin/graphite alkene/DMF electrocondution slurry can be applied to include that knitting etc. is led
In terms of other conductive material directions and the various flexible materials such as Electric hand protector and anti-static shoes clothes, realized while conductive it is foldable,
The functions such as bending.Electrocondution slurry has good dispersibility and stability, and easy to use, shelf life was up to 6 months or more.
Embodiment 1:
It prepares graphene/polyurethane/DMF electrocondution slurry: DMF, graphene, dispersant liquid being first subjected to high-speed stirred
Dispersion, then ground；Dispersion liquid after taking grinding is mixed with PU, DMF again, and wherein the mass ratio of PU, DMF and graphene is
100:170:0.7 high-speed stirred 1h after blending；
18 needle nylon gloves cores are selected, immerse electrocondution slurry 5s, i.e. impregnation after putting on fingerprint；Then 30s, hand are vacantly drained
Mould 2min, then the progress baking and curing 1.5h under 60 DEG C of constant temperature into the water, finally demoulds.
Embodiment 2:
It prepares graphene/polyurethane/DMF electrocondution slurry: DMF, graphene, dispersant liquid being first subjected to high-speed stirred
Dispersion, then ground；Dispersion liquid after taking grinding is mixed with PU, DMF again, and wherein the mass ratio of PU, DMF and graphene is
100:170:0.8 high-speed stirred 1h after blending；
It selects 15 needle nylon gloves to put on fingerprint and immerses electrocondution slurry 5s, i.e. impregnation；Then 30s is vacantly drained, fingerprint is put
Enter 2min in water, then carry out baking and curing 1.5h under 60 DEG C of constant temperature, finally demoulds.
Embodiment 3:
It prepares graphene/polyurethane/DMF electrocondution slurry: DMF, graphene, dispersant liquid being first subjected to high-speed stirred
Dispersion, then ground；Dispersion liquid after taking grinding is mixed with PU, DMF again, and wherein the mass ratio of PU, DMF and graphene is
100:200:0.7 high-speed stirred 1h after blending；
It selects 15 needle terylene gloves to put on fingerprint and immerses electrocondution slurry 5s, i.e. impregnation；Then 30s is vacantly drained, fingerprint is put
Enter 2min in water, then carry out baking and curing 1.5h under 60 DEG C of constant temperature, finally demoulds.
Embodiment 4:
It prepares graphene/polyurethane/DMF electrocondution slurry: DMF, graphene, dispersant liquid being first subjected to high-speed stirred
Dispersion, then ground；Dispersion liquid after taking grinding is mixed with PU, DMF again, and wherein the mass ratio of PU, DMF and graphene is
100:200:0.8 high-speed stirred 1h after blending；
It selects 13 needle, 3 grades of HPPE gloves to put on fingerprint and immerses electrocondution slurry 5s, i.e. impregnation；Then 30s, fingerprint are vacantly drained
2min into the water, then baking and curing 1.5h is carried out under 60 DEG C of constant temperature, finally demould.
Embodiment 5:
Prepare graphene/polyurethane/DMF electrocondution slurry；DMF, graphene, dispersant liquid are first subjected to high-speed stirred
Dispersion, then ground；Dispersion liquid after taking grinding is mixed with PU, DMF again, and wherein the mass ratio of PU, DMF and graphene is
100:200:0.7 high-speed stirred 1h after blending；
It selects 13 needle nylon gloves to put on fingerprint and immerses electrocondution slurry 5s, i.e. impregnation；Then 30s is vacantly drained, fingerprint is put
Enter 2min in water, then carry out baking and curing 1.5h under 60 DEG C of constant temperature, finally demoulds.
Embodiment 6:
It prepares graphene/polyurethane/DMF electrocondution slurry: DMF, graphene, dispersant liquid being first subjected to high-speed stirred
Dispersion, then ground；Dispersion liquid after taking grinding is mixed with PU, DMF again, and wherein the mass ratio of PU, DMF and graphene is
100:150:0.8 high-speed stirred 1h after blending；
It selects 13 needle, 5 grades of HPPE gloves to put on fingerprint and immerses electrocondution slurry 20s, i.e. impregnation；Then 30s, hand are vacantly drained
Mould 2min, then the progress baking and curing 1.5h under 60 DEG C of constant temperature into the water, finally demoulds.
Embodiment 7:
It prepares graphene/polyurethane/DMF electrocondution slurry: DMF, graphene, dispersant liquid being first subjected to high-speed stirred
Dispersion, then ground；Dispersion liquid after taking grinding is mixed with PU, DMF again, and wherein the mass ratio of PU, DMF and graphene is
100:170:0.4 high-speed stirred 1h after blending；
It selects 13 needle terylene gloves to put on fingerprint and immerses electrocondution slurry 3s, i.e. impregnation；Then 30s is vacantly drained, fingerprint is put
Enter 2min in water, then carry out baking and curing 1.5h under 60 DEG C of constant temperature, finally demoulds.
The following table 1 shows the graphene conductive slurry of different PU:DMF:GN proportionate relationships to unlike material gloves electric conductivity
The influence of energy.
Table 1:
From table 1 it follows that as PU:DMF in electrocondution slurry: when graphene is 100:170:0.7, that is, in glue-line
For graphene content at 2% or so, the gloves of unlike material differing needles number, surface resistance can reach 10 substantially7Ω works as increase
The amount of DMF, when reducing electrocondution slurry system viscosity, surface resistance reduces therewith, since 13 needle, 5 grades of HPPE gloves thickness are thicker,
Graphene content is less, disperses in bad situation, it is difficult to form good conductive network；And when increase graphene content or reduce body
It is that viscosity can be such that gloves are preferably infiltrated in the slurry, to reach dispersion more evenly, conductive network is promoted to be formed,
To promote electric conductivity, so that it is the most obvious to cause its glue-line surface resistance to reduce.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (10)
1. a kind of preparation method of graphene conductive slurry characterized by comprising
Prepare graphene pre-dispersed liquid: in a solvent by graphene dispersion；
It prepares graphene dispersing solution: the graphene pre-dispersed liquid is ground；With
It prepares graphene conductive slurry: the graphene dispersing solution is blended with solvent and resin.
2. the preparation method of graphene conductive slurry according to claim 1, which is characterized in that described to prepare graphene pre-
In the step of dispersion liquid, mass fraction≤1%, BET of oxygen >=450m in the graphene2/g；And/or
The solvent is organic solvent；And/or
The dispersion is dispersed under high speed agitation, and the mixing speed of the high-speed stirred is 1500-2500rpm, when
Between be 20-40min.
3. the preparation method of graphene conductive slurry according to claim 1, which is characterized in that described to prepare graphene pre-
In the step of dispersion liquid, dispersing agent is also added into the solvent, the dispersing agent includes organic solvent dispersing agent；
Preferably, the dispersing agent is one of PVP, SDBA or EFKA PX 4701 or a variety of；And/or
The mass ratio of the solvent, graphene and dispersing agent is 100:(1-3): (0.2-1).
4. the preparation method of graphene conductive slurry according to claim 1, which is characterized in that described to prepare graphene point
In the step of dispersion liquid, the graphene pre-dispersed liquid is ground to partial size D50≤1.6um.
5. the preparation method of graphene conductive slurry according to claim 1, which is characterized in that the graphene for preparing is led
In the step of plasma-based material, the resin includes PU；And/or
The mass ratio of the resin, solvent and graphene is 100:(150-200 after blending): (0.4-0.8)；And/or
The blending is to be blended under high speed agitation, and the mixing speed of the high-speed stirred is 500-1500rpm, is stirred
Mixing the time is 0.5-2h.
6. a kind of graphene conductive slurry, the preparation side of graphene conductive slurry according to any one of claims 1-5
Method is prepared.
7. graphene conductive slurry as claimed in claim 6 is preparing the application in wearable conductive articles.
8. the method that graphene conductive slurry as claimed in claim 6 prepares conductive glove characterized by comprising
By the infiltration of gloves body into graphene conductive slurry, taking-up is drained；
It is immersed in the water after draining, takes out drying, obtain conductive glove.
9. the method according to claim 8 for preparing conductive glove, which is characterized in that the material of the gloves body includes
Nylon, terylene or HPPE；And/or
Fingerprint is packaged in advance before the infiltration to graphene conductive slurry by gloves body；And/or
The infiltration is the infiltration by the interior facies palmaris of the gloves body and finger position infiltration into graphene conductive slurry
Time is 3-20S；And/or
It is described to drain by the way of vacantly draining；And/or
The immersion time in water is 1-5min；And/or
The drying is dried using baking oven, and the temperature of the drying is 50-80 DEG C, time 1.5-2h.
10. a kind of conductive glove, which is characterized in that including gloves body and conductive adhesive layer, wherein the gloves body is nylon
Gloves body, terylene gloves body or HPPE gloves body, graphene content is 1%-6% in the conductive adhesive layer.
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