CN106496710A - A kind of expanded graphite/carbon nanotube conducting dual network structure rubber composite and preparation method thereof - Google Patents
A kind of expanded graphite/carbon nanotube conducting dual network structure rubber composite and preparation method thereof Download PDFInfo
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L13/00—Compositions of rubbers containing carboxyl groups
- C08L13/02—Latex
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08L7/00—Compositions of natural rubber
- C08L7/02—Latex
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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
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/02—Copolymers with acrylonitrile
- C08L9/04—Latex
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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
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/06—Copolymers with styrene
- C08L9/08—Latex
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- 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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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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
- C08K2201/011—Nanostructured additives
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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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
Abstract
The present invention relates to a kind of expanded graphite/carbon nanotube conducting dual network structure rubber composite and preparation method thereof.With expanded graphite and CNT as conductive filler, conductive filler achieves dispersed in rubber matrix, and forms conductive dual network structure in rubber matrix.Obtained expanded graphite/carbon nanotube conducting dual network structure rubber composite, with more excellent electric conductivity, and preparation method simple and flexible, organic solvent is not used, environmental friendliness is with low cost, it is easy to production application.
Description
Technical field
The present invention relates to conductive dual network structure rubber composite with expanded graphite, CNT as conductive filler and
Its preparation method, belongs to macromolecular material application.
Background technology
With developing rapidly for electronic technology and Information technology, conductive rubber composite material is increasingly subject to the weight of people
Depending on.The electric conductivity for improving elastomeric material is always the problem that the scientific worker of art pays close attention to.Common practice is in rubber
Conductive filler is dosed in glue material matrix, and the electric conductivity of elastomeric material is improved by filler.Expanded graphite and CNT
There is bigger serface, excellent mechanical property, electric conductivity and barrier property, be that a kind of preferable elastomeric material modification is filled out
Material, oneself are successfully used to the electric conductivity for strengthening elastomeric material.Presently mainly using expanded graphite or CNT as
Filler is modified to elastomeric material mechanical property.As single filler composite conducting rubber is present, amount of filler is big, dispersion
Uneven, the shortcomings of mechanical performance is relatively low, can realize having complementary advantages between filler using two kinds of fillers are compound, effectively improve compound
The combination property of material.
Patent CN101275036A discloses a kind of preparation method of polymer conductive nanometer compound material, and the method is adopted
Expansible graphite is carried out melt blending or molten at the temperature that expansible graphite can be expanded with polymer or polymer solution
Liquid blending is obtained polymer conductive nanometer compound material.As the method for above-mentioned melt blending or solution blending is difficult to make expansion stone
Ink is dispersed in polymeric matrix, haves the shortcomings that amount of filler is big, it is uneven to disperse, and conductivity of composite material can be poor.
Patent CN105131359A disclose a kind of graphene/carbon nano-tube hydridization filler network strengthen elastomeric material and its
Preparation method, the method are taken and for the method reduced by graphene oxide to obtain Graphene, as graphene oxide prepares work
Skill is complicated, relatively costly, is therefore difficult to realize extensive application industrially.And expanded graphite is used as novel conductive fillers, with
Its excellent electric conductivity and the nano-meter characteristic for being presented are increasingly becoming one of focus of current function nano investigation of materials.
Expanded graphite is made after expansible graphite is expanded, and then makes expanded graphite be dispersed in polymeric matrix in nano graphite sheet
In, polymer-based nano conducing composite material can be obtained.As graphite is in the base in sheet nano-dispersed, therefore it is easy to
Conductive network is formed in the base, and the graphite of a small amount of consumption can give rubber excellent electric conductivity, and expanded graphite price
Cheap, its comprehensive advantage is not available for other conductive fillers.
CNT has the performances such as excellent electrical property, mechanical performance and conduction of heat, is widely used in various polymerizations
In thing, carbon nano tube/polymer nano composite material is prepared, to improve the performance of composite, such as mechanical performance, heat stability
Energy, electrical property etc..Its excellent electric conductivity so that CNT becomes the ideal for preparing conductive polymer nanometer composite material
Filler.
The present invention prepares expanded graphite/carbon nanotube conducting dual network structure rubber composite using emulsion method, swollen
Add in rubber matrix together with two kinds of conductive fillers of swollen graphite and CNT, achieve in rubber matrix dispersed, and
Mutually overlap joint forms conductive path, forms conductive dual network structure, the expanded graphite for obtaining/carbon nanotube conducting dual network structure
Rubber composite has excellent electric conductivity, and preparation method simple and flexible, does not use organic solvent, environmental friendliness,
With low cost, it is easy to production application.
Content of the invention
It is an object of the invention to provide a kind of expanded graphite/carbon nanotube conducting dual network structure rubber composite and
Its preparation method.Expanded graphite/carbon nanotube conducting dual network structure rubber composite, conductive filler are prepared using emulsion method
Achieve dispersed in rubber matrix, and form conductive dual network structure.Expanded graphite/the CNT for preparing is led
Electric dual network structure rubber composite has excellent electric conductivity, and preparation method simple and flexible, does not use organic molten
Agent, environmental friendliness are with low cost, it is easy to production application.
A kind of expanded graphite/carbon nanotube conducting dual network structure rubber composite that the present invention is provided, to expand stone
Ink and CNT are conductive filler, are dispersed in base rubber and form conductive dual network structure, base rubber and conductive filler
Mass ratio be 100：0.5～20.
In conductive filler, expanded graphite is 1 with the mass ratio of CNT：20～20：1.
Base rubber is selected from natural rubber, butadiene-styrene rubber, nitrile rubber, carboxy terminated nitrile rubber, neoprene, acrylate
Rubber.
The preparation method of expanded graphite/carbon nanotube conducting dual network structure rubber composite that the present invention is provided, tool
Concrete conditions in the establishment of a specific crime and step are：
(1) preparation of expanded graphite：Expandable graphite at low-temperature is carried out microwave expansion, expanded graphite is prepared into；
(2) preparation of expanded graphite/carbon nano tube suspension：Expanded graphite and CNT obtained in step (1) are added
Enter, be prepared into stable expanded graphite/carbon nano tube suspension.
(3) preparation of expanded graphite/CNT/latex suspension：By expanded graphite/carbon nanometer obtained in step (2)
Pipe suspension adds the solid content to be in 5～60% base rubber emulsion, and adds vulcanizing agent, is thoroughly mixed, is obtained swollen
Swollen graphite/carbon nanotube/latex suspension.
(4) preparation of conductive dual network structure rubber composite：By expanded graphite/CNT obtained in step (3)/
Latex suspension evaporation and concentration (can be carried out) on a rotary evaporator, spray-dried prepared expanded graphite/CNT/rubber
Powder, then obtained rubber powder is placed on vulcanizing press is vulcanized, the double nets of expanded graphite/carbon nanotube conducting are obtained
Network structure rubber composite.
The expansion power of the expanded graphite is preferably 500～1000W, 50～150s of Bulking Time.
The aqueous surfactant solution concentration is 0.01～1g/L.
The power of the ultrasonic disperse is preferably 500～1500W, ultrasonic time 0.5～10 hour.
The temperature of the evaporation and concentration is preferably 40～50 DEG C, and the time is 3～8h.
The CNT is multi-walled carbon nano-tubes that draw ratio is 10～1000 or SWCN.
The vulcanizing agent is sulfur or cumyl peroxide (DCP).
Described surfactant is selected from polyvinylpyrrolidone, dodecyl sodium sulfate or dodecylbenzene sodium sulfonate.
The present invention has following remarkable advantage：(1) present invention adopts emulsion method, and expanded graphite and CNT can be made to exist
Obtain dispersed in rubber matrix, conductive excess effusion value is low, i.e., just can be in rubber matrix in the case where conductive filler consumption is low
The good conductive network of middle formation, shows excellent electric conductivity.(2) organic solvent is not used in preparation process of the present invention,
Environmental friendliness.(3) present invention uses expanded graphite as conductive filler, low raw-material cost, it is easy to production application.
Specific embodiment
Below in conjunction with specific embodiments, the present invention is described in further details.
Embodiment 1
Expandable graphite at low-temperature is placed in 750W microwave ovens carries out expansion 90s, and expanded graphite is obtained.Take 0.2g polyethylene
Ketopyrrolidine (PVP) is dissolved in 1500mL water and is prepared into PVP aqueous solutions, weigh 125g carboxylic acrylonitrile butadiene rubber latexs (solid content 40%) and
2g expanded graphites and 0.5g CNTs (diameter is about 9.5nm, long about 1.5 μm of multi-walled carbon nano-tubes), will be load weighted
Expanded graphite and CNT are added in the PVP aqueous solutions for preparing, and are stirred 12 hours under room temperature.By the suspension for stirring
Supersound process is carried out, and 2h is processed under 1000W stable suspension is obtained.Afterwards by obtained suspension and 125g carboxyl butyronitrile glue
Breast and 0.25g DCP stir prepared mixed liquor, and mixed liquor is concentrated on a rotary evaporator, concentrate 4 at 40 DEG C
Hour, and by concentrated solution by being spray-dried in dosing pump input spray-dried instrument (B-290, Buchi companies of Switzerland), if
Determine 190 DEG C of temperature of inlet air, cleansing pin frequency is 4, and rate of feed is 20%, and expanded graphite/CNT/rubber powder is obtained,
Again obtained rubber powder is placed on vulcanizing press and is vulcanized, 170 DEG C of curing temperature, when cure time is optimum cure
Between, expanded graphite/CNT/carboxy terminated nitrile rubber conduction dual network structure rubber composite is obtained, and it is conductive to test which
Performance, performance are shown in Table 1.
Comparative example 1
A kind of expanded graphite conductive filler, expanded graphite mass fraction and in embodiment 1 two kind filler gross masses are only added
Number is identical, and other conditions prepare expanded graphite/carboxy terminated nitrile rubber conducing composite material, and test which with embodiment 1
Electric conductivity, performance are shown in Table 1.
Comparative example 2
Expanded graphite is changed to Graphene, the wherein mass fraction of Graphene and expanded graphite mass fraction in embodiment 1
Identical, other conditions prepare graphene/carbon nano-tube/carboxy terminated nitrile rubber conducing composite material, and survey with embodiment 1
Its electric conductivity is tried, performance is shown in Table 1.
Embodiment 2
Expandable graphite at low-temperature is placed in 750W microwave ovens carries out expansion 90s, and expanded graphite is obtained.Take 0.2gPVP molten
Be prepared into PVP aqueous solutions in 1500mL water, weigh 125g carboxylic acrylonitrile butadiene rubber latexs (solid content 40%) and 2.5g expanded graphites and
1.5g CNTs (diameter is about 9.5nm, long about 1.5 μm of multi-walled carbon nano-tubes), by load weighted expanded graphite and carbon
Nanotube is added in the PVP aqueous solutions for preparing, and is stirred 12 hours under room temperature.The suspension for stirring is carried out ultrasonic place
Reason, processes 2h and stable suspension is obtained under 1000W.Afterwards by obtained suspension and 125g carboxylic acrylonitrile butadiene rubber latexs and 0.25g
DCP high-speed stirred 1h, is obtained uniform mixed liquor, mixed liquor is concentrated on a rotary evaporator, and at 40 DEG C, concentration 4 is little
When, and by concentrated solution by being spray-dried in dosing pump input spray-dried instrument, 190 DEG C of setting air inlet temperature is led to
Pin frequency is 4, and rate of feed is 20%, and expanded graphite/CNT/rubber powder composite is obtained, then by obtained rubber
Particulate composite is placed on vulcanizing press and is vulcanized, 170 DEG C of curing temperature, and cure time is sulfurizing time, is obtained
Expanded graphite/CNT/carboxy terminated nitrile rubber conducing composite material, and its electric conductivity is tested, performance is shown in Table 1.
Embodiment 3
Expandable graphite at low-temperature is placed in 750W microwave ovens carries out expansion 90s, and expanded graphite is obtained.Take 0.2gPVP molten
Be prepared into PVP aqueous solutions in 1500mL water, weigh 125g carboxylic acrylonitrile butadiene rubber latexs (solid content 40%) and 4g expanded graphites and
2.5g CNTs, by load weighted expanded graphite and CNT, (diameter is about 9.5nm, and long about 1.5 μm of many wall carbon are received
Mitron) add in the PVP aqueous solutions for preparing, stir 12 hours under room temperature.The suspension for stirring is carried out supersound process,
2h is processed under 1000W, and stable suspension is obtained.Afterwards by obtained suspension and 125g carboxylic acrylonitrile butadiene rubber latexs and 0.25g DCP
High-speed stirred 1h, is obtained uniform mixed liquor, mixed liquor is concentrated on a rotary evaporator, concentrates 4 hours at 40 DEG C, and
Concentrated solution is input in spray-dried instrument by dosing pump and is spray-dried, 190 DEG C of setting air inlet temperature, cleansing pin frequency
For 4, rate of feed is 20%, and expanded graphite/CNT/rubber powder composite is obtained, then obtained rubber powder is multiple
Condensation material is placed on vulcanizing press and is vulcanized, 170 DEG C of curing temperature, and cure time is sulfurizing time, and expansion stone is obtained
Ink/CNT/carboxy terminated nitrile rubber conducing composite material, and its electric conductivity is tested, performance is shown in Table 1.
Embodiment 4
Expandable graphite at low-temperature is placed in 750W microwave ovens carries out expansion 90s, and expanded graphite is obtained.Take 0.2gPVP molten
PVP aqueous solutions are prepared in 1500mL water, weigh 125g NBR latexes (solid content 40%) and 0.5g expanded graphites and 1.5g
CNT, by load weighted expanded graphite and CNT, (diameter is about 9.5nm, long about 1.5 μm of multi-wall carbon nano-tube
Pipe) add in the PVP aqueous solutions for preparing, stir 12 hours under room temperature.The suspension for stirring is carried out supersound process,
2h is processed under 1000W, and stable suspension is obtained.Afterwards by obtained suspension and 125g NBR latexes and 0.25gDCP high speeds
Stirring 1h, is obtained uniform mixed liquor, mixed liquor is concentrated on a rotary evaporator, concentrates 4 hours at 40 DEG C, and will be dense
Contracting liquid is input in spray-dried instrument by dosing pump and is spray-dried, 190 DEG C of setting air inlet temperature, and cleansing pin frequency is 4,
Rate of feed is 20%, and expanded graphite/CNT/rubber powder composite is obtained, then by obtained rubber powder composite wood
Material is placed on vulcanizing press and is vulcanized, 170 DEG C of curing temperature, and cure time is sulfurizing time, and expanded graphite/carbon is obtained
Nanotube/nitrile rubber conducing composite material, and its electric conductivity is tested, performance is shown in Table 1.
Embodiment 5
Expandable graphite at low-temperature is placed in 750W microwave ovens carries out expansion 90s, and expanded graphite is obtained.Take 0.2gPVP molten
PVP aqueous solutions are prepared in 1500mL water, weigh 125g Heveatexes (solid content 40%) and 2.5g expanded graphites and 0.5g
CNT, load weighted expanded graphite and CNT (diameter is about 10nm, long about 1 μm of SWCN) are added
Enter in the PVP aqueous solutions of preparation, stir 12 hours under room temperature.The suspension for stirring is carried out supersound process, under 1000W
Process 2h and stable suspension is obtained.Afterwards by obtained suspension and 125g Heveatexes and 0.25gDCP high-speed stirred 1h,
Uniform mixed liquor is obtained, mixed liquor is concentrated on a rotary evaporator, concentrated 4 hours at 40 DEG C, and concentrated solution is led to
Cross and be spray-dried in dosing pump input spray-dried instrument, 190 DEG C of setting air inlet temperature, cleansing pin frequency are 4, rate of feed
For 20%, expanded graphite/CNT/rubber powder composite is obtained, then obtained rubber powder composite is placed in
Vulcanized on vulcanizing press, 145 DEG C of curing temperature, cure time is sulfurizing time, expanded graphite/carbon nanometer is obtained
Pipe/natural rubber conducing composite material, and its electric conductivity is tested, performance is shown in Table 1.
Embodiment 6
Expandable graphite at low-temperature is placed in 750W microwave ovens carries out expansion 90s, and expanded graphite is obtained.Take 0.2g dodecanes
Base sodium sulfonate is dissolved in 1500mL water and is prepared into sodium dodecyl sulfate aqueous solution, weighs 125g styrene-butadiene latexes (solid content 50%)
And 2.5g expanded graphites and 0.5g CNTs, by load weighted expanded graphite and CNT, (diameter is about 10nm, and length is about
1 μm of SWCN) add in the sodium dodecyl sulfate aqueous solution for preparing, stir 12 hours under room temperature.Will stirring
Uniform suspension carries out supersound process, processes 2h stable suspension is obtained under 1000W.Afterwards by obtained suspension with
125g styrene-butadiene latexes and 0.25g DCP high-speed stirred 1h, are obtained uniform mixed liquor, mixed liquor are carried out on a rotary evaporator dense
Contracting, concentrates 4 hours at 40 DEG C, and concentrated solution is set empty by being spray-dried in dosing pump input spray-dried instrument
190 DEG C of gas inlet temperature, cleansing pin frequency are 4, and rate of feed is 20%, and expanded graphite/CNT/rubber powder composite wood is obtained
Material, then obtained rubber powder composite is placed on vulcanizing press is vulcanized, 150 DEG C of curing temperature, cure time
For sulfurizing time, expanded graphite/CNT/butadiene-styrene rubber conducing composite material is obtained, and tests its electric conductivity, performance
It is shown in Table 1.
1 embodiment of the present invention of table is compared with the electric conductivity of comparative example
In above-mentioned table 1 is contrasted, embodiment 1 is compared with comparative example 1, it can be deduced that：Expanded graphite one kind is used alone to lead
Electric filler electric conductivity is poor, and using two kinds of conductive fillers, electric conductivity is significantly improved, and the expansion stone of present invention employing is described
Ink is connected with each other in rubber matrix with two kinds of conductive fillers of CNT, forms conductive dual network structure, obtained composite wood
Material electric conductivity is excellent.Embodiment 1 and the comparison of comparative example 2, it can be deduced that：Expanded graphite/CNT/carboxy terminated nitrile rubber
The electrical conductivity of conducing composite material is differed not with the electric conductivity of graphene/carbon nano-tube/carboxy terminated nitrile rubber conducing composite material
Greatly, and expanded graphite is cheap, have greater advantage in production application.
Claims (7)
1. a kind of expanded graphite/carbon nanotube conducting dual network structure rubber composite, it is characterised in that：With expanded graphite and
CNT is conductive filler, is dispersed in base rubber and forms the matter of conductive dual network structure, base rubber and conductive filler
Amount is than being 100：0.5～20.
2. expanded graphite according to claim 1/carbon nanotube conducting dual network structure rubber composite, its feature exist
In in conductive filler, expanded graphite is 1 with the mass ratio of CNT：20～20：1.
3. expanded graphite according to claim 1/carbon nanotube conducting dual network structure rubber composite, its feature exist
In base rubber is selected from natural rubber, butadiene-styrene rubber, nitrile rubber, carboxy terminated nitrile rubber, neoprene or acrylate rubber
Glue.
4. according to the system of one of claims 1 to 3 expanded graphite/carbon nanotube conducting dual network structure rubber composite
Preparation Method, actual conditions and step are：
(1) preparation of expanded graphite：Expandable graphite at low-temperature is carried out microwave expansion, expanded graphite is prepared into；
(2) preparation of expanded graphite/carbon nano tube suspension：Expanded graphite obtained in step (1) and CNT are added table
Ultrasonic disperse is carried out in the aqueous surfactant solutions of face, is prepared into stable expanded graphite/carbon nano tube suspension；
(3) preparation of expanded graphite/CNT/latex suspension：Expanded graphite/CNT obtained in step (2) is outstanding
Supernatant liquid adds the solid content to be in 5～60% base rubber emulsion, and adds vulcanizing agent, is thoroughly mixed, expansion stone is obtained
Ink/CNT/latex suspension；
(4) preparation of conductive dual network structure rubber composite：By expanded graphite/CNT/latex obtained in step (3)
Suspension evaporation and concentration, spray-dried prepared expanded graphite/CNT/rubber powder, then obtained powder is placed in flat
Vulcanized on plate vulcanizer, obtained expanded graphite/carbon nanotube conducting dual network structure rubber composite.
5. the preparation side of expanded graphite according to claim 4/carbon nanotube conducting dual network structure rubber composite
Method, it is characterised in that：The CNT is multi-walled carbon nano-tubes that draw ratio is 10～1000 or SWCN.
6. the preparation side of expanded graphite according to claim 4/carbon nanotube conducting dual network structure rubber composite
Method, it is characterised in that：The vulcanizing agent is sulfur or cumyl peroxide.
7. the preparation side of expanded graphite according to claim 4/carbon nanotube conducting dual network structure rubber composite
Method, it is characterised in that：Described surfactant is selected from polyvinylpyrrolidone, dodecyl sodium sulfate or detergent alkylate sulphur
Sour sodium.
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| CN107629355A (en) * | 2017-09-22 | 2018-01-26 | 扬州大学 | A kind of preparation method of antistatic herd polyvinyl chloride material |
| CN109370027A (en) * | 2018-09-18 | 2019-02-22 | 特变电工(德阳)电缆股份有限公司 | A kind of compound semi-conductive shielding material of graphene, preparation method and applications |
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| CN112961412A (en) * | 2021-01-25 | 2021-06-15 | 昆明理工大学 | Method and device for preparing ultrahigh-sensitivity natural rubber nano composite sensing material |
| CN114075353A (en) * | 2020-08-12 | 2022-02-22 | 苏州怒鲨智能科技有限公司 | Graphene dielectric material for flexible sensor and preparation method thereof |
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| CN107629355A (en) * | 2017-09-22 | 2018-01-26 | 扬州大学 | A kind of preparation method of antistatic herd polyvinyl chloride material |
| CN107629355B (en) * | 2017-09-22 | 2019-10-18 | 扬州大学 | A kind of preparation method of antistatic herd polyvinyl chloride material |
| CN109370027A (en) * | 2018-09-18 | 2019-02-22 | 特变电工(德阳)电缆股份有限公司 | A kind of compound semi-conductive shielding material of graphene, preparation method and applications |
| CN109370027B (en) * | 2018-09-18 | 2021-01-05 | 特变电工(德阳)电缆股份有限公司 | Graphene composite semiconductive shielding material, preparation method and application thereof |
| CN109553829A (en) * | 2018-10-24 | 2019-04-02 | 上海五同同步带有限公司 | A kind of antistatic elastic composition |
| CN114075353A (en) * | 2020-08-12 | 2022-02-22 | 苏州怒鲨智能科技有限公司 | Graphene dielectric material for flexible sensor and preparation method thereof |
| CN114075352A (en) * | 2020-08-12 | 2022-02-22 | 苏州怒鲨智能科技有限公司 | Conductive rubber for flexible sensor and preparation method thereof |
| CN112961412A (en) * | 2021-01-25 | 2021-06-15 | 昆明理工大学 | Method and device for preparing ultrahigh-sensitivity natural rubber nano composite sensing material |
| CN114891350A (en) * | 2022-06-17 | 2022-08-12 | 山东海科创新研究院有限公司 | High-performance antistatic filler, polyether sulfone composite material containing antistatic material and preparation method of polyether sulfone composite material |
| CN114891350B (en) * | 2022-06-17 | 2023-10-13 | 山东海科创新研究院有限公司 | High-performance antistatic filler, polyether sulfone composite material containing antistatic material and preparation method of composite material |
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