CN107286876A - A kind of conductive pressure sensitive adhesive of charcoal based material of high component and preparation method thereof - Google Patents
A kind of conductive pressure sensitive adhesive of charcoal based material of high component and preparation method thereof Download PDFInfo
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- CN107286876A CN107286876A CN201710471326.6A CN201710471326A CN107286876A CN 107286876 A CN107286876 A CN 107286876A CN 201710471326 A CN201710471326 A CN 201710471326A CN 107286876 A CN107286876 A CN 107286876A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J133/00—Adhesives based on 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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
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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
- C08K3/08—Metals
- C08K2003/0806—Silver
-
- 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
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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
- C08K9/00—Use of pretreated ingredients
- C08K9/02—Ingredients treated with inorganic substances
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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
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Conductive Materials (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The present invention provides a kind of conductive pressure sensitive adhesive of charcoal based material of high component and preparation method thereof, the conductive pressure sensitive adhesive kind charcoal based material is the silver-colored complex microsphere of carbon black, graphene oxide and nano graphite flakes, the carbon black composite material is the silver-colored complex microsphere of carbon black, the mass fraction of charcoal based material is not less than 50%, and specific preparation method is：Carbon black nano particle is added in silver ion precursor solution, alcohol phosphate and tributyl phosphate is added, is well mixed, methacrylic acid monomer is added, ultrasonic agitation is heated, filtering drying obtains the silver-colored complex microsphere of carbon black；Graphene oxide and nano graphite flakes are added in the butanone containing organic dispersing agent and form solution A, polyacrylate is dissolved in butanone and forms solution B, solution A is well mixed with solution B, it is eventually adding the silver-colored complex microsphere of carbon black, after the 30min of mechanical agitation 15, it is uniformly dispersed in ultrasonic wave, removes butanone, obtain the conductive pressure sensitive adhesive of the charcoal based material of high component.Charcoal based material content height is evenly distributed in pressure sensitive adhesive prepared by the present invention, and electric conductivity is excellent.
Description
Technical field
The invention belongs to pressure-sensitive adhesive material technical field, and in particular to a kind of conductive pressure sensitive adhesive of the charcoal based material of high component
And preparation method thereof.
Background technology
Conductive pressure sensitive adhesive is a kind of pressure for having conduction concurrently and bonding for forming conducting particles and adhesive substrate together
Responsive type adhesive, compared with traditional Pb/Sn solders and solder, conductive pressure sensitive adhesive has the advantage that：Without solidifying,
High resolution, thermomechanical property be good, using technique is simple, Connection Step is few, with most of material wettability it is good, with by glutinous thing
Good gluing power is formed, current conductive pressure sensitive adhesive is mainly used in shielding electromagnetic interference, electrostatic dissipation and electric conductivity connection.
Conducting particles species currently used for conductive pressure sensitive adhesive can be divided into silver coating material, copper system material and charcoal based material.In
State patent CN 103450830B disclose a kind of preparation of high performance magnetic conductive pressure sensitive adhesive, and the conductive pressure sensitive adhesive is poly- with solvent-borne type
Acrylate is resinous substrates, using modified graphene oxide as magnetic conductive material, by graphene oxide and the salt of chloride containing platinum
Plating nickel on surface obtains magnetic conductive material after acid solution gold boric acid activation, by magnetic conductive material through γ-methacryloxy
Propyl trimethoxy silicane KH570 is coupled as coupling agent and solvent type polyacrylate, obtains high performance magnetic conductive pressure sensitive
Glue.Acrylate electromagnetic shielding pressure sensitive adhesive and preparation method thereof disclosed in Chinese patent CN 106366983A, by graphene oxide
The acrylate monomer to form graphene-containing is connected in the way of chemical bond with the acrylate monomer containing epoxide group, then will be contained
The acrylate monomer of graphene is mixed with other acrylate monomers, prepares acrylate electromagnetic shielding pressure sensitive adhesive.In
State patent CN the 104946142A disclosed pressure-sensitive plastic structure of transparent anti static and its application based on CNT, by plural carbon
Nanotube batch overlaps being covered up and down by pressure-sensitive adhesive layer for the carbon nano tube transparent conductive network to be formed.Can by above-mentioned prior art
Know, the mode such as charcoal based material can be added by physics, chemical bonds is combined with pressure sensitive adhesive, it is scattered tired to solve charcoal based material
Difficult the problem of, but the content of the charcoal based material of chemical bonds improves more difficult, the content of the charcoal based material of physics addition is got over
High dispersive is more difficult, therefore improves scattering problem of the charcoal based material in conductive pressure sensitive adhesive of high level and seem very necessary.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of conductive pressure sensitive adhesive of charcoal based material of high component and its preparation
Method, charcoal based material is distributed in pressure sensitive adhesive with spherical, solution shape and sheet, and is modified arrangement to carbon-based material,
To obtain the conductive pressure sensitive adhesive of high content high degree of dispersion.
In order to solve the above technical problems, the technical scheme is that：
A kind of conductive pressure sensitive adhesive of the charcoal based material of high component, the charcoal based material is carbon black composite material, graphite oxide
Alkene and nano graphite flakes, the carbon black composite material are the silver-colored complex microsphere of carbon black, and the pressure sensitive adhesive is polyacrylate pressure-sensitive,
The charcoal based material is not less than 50% in the mass fraction of the conductive pressure sensitive adhesive of the charcoal based material of high component.
The present invention also provides a kind of preparation method of the conductive pressure sensitive adhesive of the charcoal based material of high component, comprises the following steps：
(1) carbon black nano particle is added in silver ion precursor solution, adds alcohol phosphate and tributyl phosphate, mixed
Close uniform, add methacrylic acid monomer, heat ultrasonic agitation, filtering drying obtains the silver-colored complex microsphere of carbon black；
(2) graphene oxide and nano graphite flakes are added in the butanone containing organic dispersing agent and forms solution A, by polypropylene
Acid esters, which is dissolved in butanone, forms solution B, and solution A is well mixed with solution B, is eventually adding the carbon black silver of step (1) preparation
After complex microsphere, mechanical agitation 15-30min, it is uniformly dispersed in ultrasonic wave, removes butanone, obtain the charcoal based material of high component
Conductive pressure sensitive adhesive.
As the preferred of above-mentioned technical proposal, in the step (1), silver ion presoma is in silver ion precursor solution
Silver carbonate, the mass fraction of silver carbonate is 100-150mg/ml.
As the preferred of above-mentioned technical proposal, in the step (1), the matter of carbon black and silver particles in carbon black silver complex microsphere
Amount fraction is 20-30%.
As the preferred of above-mentioned technical proposal, in the step (1), the particle diameter of carbon black silver complex microsphere is 10-30 μm.
As the preferred of above-mentioned technical proposal, in the step (2), the thickness of graphite nanosheets is 50-80nm, diameter
For 1.5-2 μm.
As the preferred of above-mentioned technical proposal, in the step (2), organic dispersing agent is sodium taurocholate.
As the preferred of above-mentioned technical proposal, in the step (2), graphene oxide and nano graphite flakes in solution A
Mass fraction is 20-30%.
As the preferred of above-mentioned technical proposal, in the step (2), oxygen in the conductive pressure sensitive adhesive of the charcoal based material of high component
The mass fraction of the silver-colored complex microsphere of graphite alkene, nano graphite flakes and carbon black is not less than 50%.
As the preferred of above-mentioned technical proposal, in the step (2), graphene oxide, nano graphite flakes and carbon black silver are multiple
The mass ratio for closing microballoon is 3-5:2-3:0.8-1.2.
Compared with prior art, the invention has the advantages that：
(1) spherical, solution shape and sheet are included in the conductive pressure sensitive adhesive of the charcoal based material of high component prepared by the present invention
Charcoal based material, wherein it is spherical be Modified Activated Carbon black ball, solution shape be modified graphene, sheet is graphite flake, and Modified Activated Carbon black ball is
The complex microsphere of carbon black and silver particles, modified graphene is graphene oxide, utilizes modified spherical, solution shape and the charcoal of sheet
Based material is mixed with polyacrylate pressure-sensitive, and the mixing of modified charcoal based material and polyacrylate is more uniform, and not
The carbon-based material of similar shape and material is easier to be distributed in the regional of polyacrylate, further improves carbon system in pressure sensitive adhesive
The content and the uniformity of material, to improve the electric conductivity of pressure sensitive adhesive.
(2) preparation method of the present invention is simple, workable, and charcoal based material content is high in the conductive pressure sensitive adhesive of preparation, can
Content of the charcoal based material in polyacrylate pressure-sensitive is significantly improved, further to improve the electric conductivity of pressure sensitive adhesive.
Embodiment
Describe the present invention in detail below in conjunction with specific embodiment, herein illustrative examples and explanation of the invention
For explaining the present invention, but it is not as a limitation of the invention.
Embodiment 1：
(1) it is 2 according to the mol ratio of carbon black nano particle and silver ion:1, by carbon black nanometer of the particle diameter for 50-200n m
Particle is added to the precursor solution of 100 parts of formation in 100mg/ml silver carbonate solution, and the mass ratio for adding 0.5 part is 1:1
Alcohol phosphate and tributyl phosphate, are well mixed, and add 5 parts of methacrylic acid monomer, and ultrasonic agitation 5h is heated at 60 DEG C,
Filtering drying, obtains the silver-colored complex microsphere of carbon black that particle diameter is 10 μm, wherein, the matter of carbon black and silver particles in carbon black silver complex microsphere
It is 20% to measure fraction.
(2) it is 50-80nm by graphene oxide and thickness, a diameter of 1.5-2 μm of nano graphite flakes, which are added, contains sodium taurocholate
Solution A is formed in the butanone of organic dispersing agent, wherein, the mass fraction of graphene oxide and nano graphite flakes is in solution A
20%, polyacrylate is dissolved in butanone and forms solution B, solution A is well mixed with solution B, carbon black silver is eventually adding
After complex microsphere, mechanical agitation 15min, it is uniformly dispersed in ultrasonic wave, removes butanone, obtain the conduction of the charcoal based material of high component
Pressure sensitive adhesive, wherein, graphene oxide, nano graphite flakes and carbon black silver are compound micro- in the conductive pressure sensitive adhesive of the charcoal based material of high component
The mass ratio of ball is 3:2:0.8.
Embodiment 2：
(1) it is 4 according to the mol ratio of carbon black nano particle and silver ion:1, by carbon black nanometer of the particle diameter for 50-200nm
Grain is added to the precursor solution of 100 parts of formation in 150mg/ml silver carbonate solution, and the mass ratio for adding 2 parts is 1:1 alcohol phosphorus
Acid esters and tributyl phosphate, are well mixed, and add 20 parts of methacrylic acid monomer, and ultrasonic agitation 6h, mistake are heated at 70 DEG C
Filter drying, obtains the silver-colored complex microsphere of carbon black that particle diameter is 30 μm, wherein, the quality of carbon black and silver particles in carbon black silver complex microsphere
Fraction is 30%.
(2) it is 50-80nm by graphene oxide and thickness, a diameter of 1.5-2 μm of nano graphite flakes, which are added, contains sodium taurocholate
Solution A is formed in the butanone of organic dispersing agent, wherein, the mass fraction of graphene oxide and nano graphite flakes is in solution A
30%, polyacrylate is dissolved in butanone and forms solution B, solution A is well mixed with solution B, carbon black silver is eventually adding
After complex microsphere, mechanical agitation 30min, it is uniformly dispersed in ultrasonic wave, removes butanone, obtain the conduction of the charcoal based material of high component
Pressure sensitive adhesive, wherein, graphene oxide, nano graphite flakes and carbon black silver are compound micro- in the conductive pressure sensitive adhesive of the charcoal based material of high component
The mass ratio of ball is 5:3:1.2.
Embodiment 3：
(1) it is 2.5 according to the mol ratio of carbon black nano particle and silver ion:1, by carbon black nanometer of the particle diameter for 50-200nm
Particle is added to the precursor solution of 100 parts of formation in 120mg/ml silver carbonate solution, and the mass ratio for adding 1 part is 1:1 alcohol
Phosphate and tributyl phosphate, are well mixed, and add 5-20 parts of methacrylic acid monomer, and ultrasonic agitation 5- is heated at 65 DEG C
6h, filtering drying obtains the silver-colored complex microsphere of carbon black that particle diameter is 13 μm, wherein, carbon black and silver particles in carbon black silver complex microsphere
Mass fraction be 24%.
(2) it is 50-80nm by graphene oxide and thickness, a diameter of 1.5-2 μm of nano graphite flakes, which are added, contains sodium taurocholate
Solution A is formed in the butanone of organic dispersing agent, wherein, the mass fraction of graphene oxide and nano graphite flakes is in solution A
26%, polyacrylate is dissolved in butanone and forms solution B, solution A is well mixed with solution B, carbon black silver is eventually adding
After complex microsphere, mechanical agitation 20min, it is uniformly dispersed in ultrasonic wave, removes butanone, obtain the conduction of the charcoal based material of high component
Pressure sensitive adhesive, wherein, graphene oxide, nano graphite flakes and carbon black silver are compound micro- in the conductive pressure sensitive adhesive of the charcoal based material of high component
The mass ratio of ball is 4:2.5:0.9.
Embodiment 4：
(1) it is 3.5 according to the mol ratio of carbon black nano particle and silver ion:1, by carbon black nanometer of the particle diameter for 50-200nm
Particle is added to the precursor solution of 100 parts of formation in 140mg/ml silver carbonate solution, and the mass ratio for adding 0.8 part is 1:1
Alcohol phosphate and tributyl phosphate, are well mixed, and add 8 parts of methacrylic acid monomer, and ultrasonic agitation 5h is heated at 70 DEG C,
Filtering drying, obtains the silver-colored complex microsphere of carbon black that particle diameter is 20 μm, wherein, the matter of carbon black and silver particles in carbon black silver complex microsphere
It is 24% to measure fraction.
(2) it is 50-80nm by graphene oxide and thickness, a diameter of 1.5-2 μm of nano graphite flakes, which are added, contains sodium taurocholate
Solution A is formed in the butanone of organic dispersing agent, wherein, the mass fraction of graphene oxide and nano graphite flakes is in solution A
25%, polyacrylate is dissolved in butanone and forms solution B, solution A is well mixed with solution B, carbon black silver is eventually adding
After complex microsphere, mechanical agitation 25min, it is uniformly dispersed in ultrasonic wave, removes butanone, obtain the conduction of the charcoal based material of high component
Pressure sensitive adhesive, wherein, graphene oxide, nano graphite flakes and carbon black silver are compound micro- in the conductive pressure sensitive adhesive of the charcoal based material of high component
The mass ratio of ball is 4.5:2.7:1.1.
Embodiment 5：
(1) it is 3.5 according to the mol ratio of carbon black nano particle and silver ion:1, by carbon black nanometer of the particle diameter for 50-200nm
Particle is added to the precursor solution of 100 parts of formation in 135mg/ml silver carbonate solution, and the mass ratio for adding 1.5 parts is 1:1
Alcohol phosphate and tributyl phosphate, are well mixed, and add 5-20 parts of methacrylic acid monomer, ultrasonic agitation is heated at 65 DEG C
6h, filtering drying obtains the silver-colored complex microsphere of carbon black that particle diameter is 20 μm, wherein, carbon black and silver particles in carbon black silver complex microsphere
Mass fraction be 30%.
(2) it is 50-80nm by graphene oxide and thickness, a diameter of 1.5-2 μm of nano graphite flakes, which are added, contains sodium taurocholate
Solution A is formed in the butanone of organic dispersing agent, wherein, the mass fraction of graphene oxide and nano graphite flakes is in solution A
27%, polyacrylate is dissolved in butanone and forms solution B, solution A is well mixed with solution B, carbon black silver is eventually adding
After complex microsphere, mechanical agitation 20min, it is uniformly dispersed in ultrasonic wave, removes butanone, obtain the conduction of the charcoal based material of high component
Pressure sensitive adhesive, wherein, graphene oxide, nano graphite flakes and carbon black silver are compound micro- in the conductive pressure sensitive adhesive of the charcoal based material of high component
The mass ratio of ball is 3.5:2.5:1.1.
Embodiment 6：
(1) it is 3.5 according to the mol ratio of carbon black nano particle and silver ion:1, by carbon black nanometer of the particle diameter for 50-200nm
Particle is added to the precursor solution of 100 parts of formation in 150mg/ml silver carbonate solution, and the mass ratio for adding 0.9 part is 1:1
Alcohol phosphate and tributyl phosphate, are well mixed, and add 15 parts of methacrylic acid monomer, ultrasonic agitation is heated at 67 DEG C
5.5h, filtering drying obtains the silver-colored complex microsphere of carbon black that particle diameter is 20 μm, wherein, carbon black and silver granuel in carbon black silver complex microsphere
The mass fraction of son is 24%.
(2) it is 50-80nm by graphene oxide and thickness, a diameter of 1.5-2 μm of nano graphite flakes, which are added, contains sodium taurocholate
Solution A is formed in the butanone of organic dispersing agent, wherein, the mass fraction of graphene oxide and nano graphite flakes is in solution A
27%, polyacrylate is dissolved in butanone and forms solution B, solution A is well mixed with solution B, carbon black silver is eventually adding
After complex microsphere, mechanical agitation 20min, it is uniformly dispersed in ultrasonic wave, removes butanone, obtain the conduction of the charcoal based material of high component
Pressure sensitive adhesive, wherein, graphene oxide, nano graphite flakes and carbon black silver are compound micro- in the conductive pressure sensitive adhesive of the charcoal based material of high component
The mass ratio of ball is 4.5:2:1.2.
After testing, the content of the charcoal based material of the conductive pressure sensitive adhesive of the charcoal based material of high component prepared by embodiment 1-6, electricity
Resistance rate, result it is as follows：
As seen from the above table, the charcoal based material content of the conductive pressure sensitive adhesive of the charcoal based material of high component prepared by the present invention is high,
Electric conductivity is excellent, and the conductive pressure sensitive adhesive each several part resistivity of the charcoal based material of high component is evenly distributed.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (10)
1. a kind of conductive pressure sensitive adhesive of the charcoal based material of high component, it is characterised in that：The charcoal based material be carbon black composite material,
Graphene oxide and nano graphite flakes, the carbon black composite material are the silver-colored complex microsphere of carbon black, and the pressure sensitive adhesive is polyacrylic acid
Ester pressure-sensitive, the charcoal based material is not less than 50% in the mass fraction of the conductive pressure sensitive adhesive of the charcoal based material of high component.
2. a kind of preparation method of the conductive pressure sensitive adhesive of the charcoal based material of high component, it is characterised in that comprise the following steps：
(1) carbon black nano particle is added in silver ion precursor solution, adds alcohol phosphate and tributyl phosphate, mixing is equal
It is even, methacrylic acid monomer is added, ultrasonic agitation is heated, filtering drying obtains the silver-colored complex microsphere of carbon black；
(2) graphene oxide and nano graphite flakes are added in the butanone containing organic dispersing agent and forms solution A, by polyacrylate
It is dissolved in butanone and forms solution B, solution A is well mixed with solution B, the carbon black silver for being eventually adding step (1) preparation is compound
After microballoon, mechanical agitation 15-30min, it is uniformly dispersed in ultrasonic wave, removes butanone, obtain the conduction of the charcoal based material of high component
Pressure sensitive adhesive.
3. a kind of preparation method of the conductive pressure sensitive adhesive of the charcoal based material of high component according to claim 2, its feature exists
In：In the step (1), silver ion presoma is silver carbonate in silver ion precursor solution, and the mass fraction of silver carbonate is
100-150mg/ml。
4. a kind of preparation method of the conductive pressure sensitive adhesive of the charcoal based material of high component according to claim 2, its feature exists
In：In the step (1), carbon black and the mass fraction of silver particles are 20-30% in carbon black silver complex microsphere.
5. a kind of preparation method of the conductive pressure sensitive adhesive of the charcoal based material of high component according to claim 2, its feature exists
In：In the step (1), the particle diameter of carbon black silver complex microsphere is 10-30 μm.
6. a kind of preparation method of the conductive pressure sensitive adhesive of the charcoal based material of high component according to claim 2, its feature exists
In：In the step (2), the thickness of graphite nanosheets is 50-80nm, a diameter of 1.5-2 μm.
7. a kind of preparation method of the conductive pressure sensitive adhesive of the charcoal based material of high component according to claim 2, its feature exists
In：In the step (2), organic dispersing agent is sodium taurocholate.
8. a kind of preparation method of the conductive pressure sensitive adhesive of the charcoal based material of high component according to claim 2, its feature exists
In：In the step (2), the mass fraction of graphene oxide and nano graphite flakes is 20-30% in solution A.
9. a kind of preparation method of the conductive pressure sensitive adhesive of the charcoal based material of high component according to claim 2, its feature exists
In：In the step (2), graphene oxide, nano graphite flakes and carbon black silver in the conductive pressure sensitive adhesive of the charcoal based material of high component
The mass fraction of complex microsphere is not less than 50%.
10. a kind of preparation method of the conductive pressure sensitive adhesive of the charcoal based material of high component according to claim 2, its feature exists
In：In the step (2), the mass ratio of the silver-colored complex microsphere of graphene oxide, nano graphite flakes and carbon black is 3-5:2-3:0.8-
1.2。
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Application publication date: 20171024 |