CN106566255A - Conductive silicone rubber and preparation method - Google Patents
Conductive silicone rubber and preparation method Download PDFInfo
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
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- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
- C08L83/08—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
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Abstract
The invention discloses a conductive silicone rubber. The conductive silicone rubber comprises the following raw materials in parts by weight: 100 parts of silicone rubber, 0.1-40 parts of composite conductive agent, 0.01-10 parts of vulcanizing agent, 1-10 parts of cross-linking agent and 1-10 parts of other fillers. A preparation method comprises the following steps: adding the silicone rubber and the composite conductive agent in a rubber mixing machine in parts by weight, and adequately stirring for 30-40min; and then sequentially adding the vulcanizing agent, the cross-linking agent and the other fillers in parts by weight, and vulcanizing for 0.5h-5h under the condition of a temperature of 30-200 DEG C. The composite conductive agent is taken as a conductive filler, thus the conductive silicone rubber disclosed by the invention has the advantage of being capable of greatly reducing the electrical resistivity, of an electronic conductive material, and has the characteristic of being capable of uniformly reinforcing a macroscopic electronic conductive material, of an ionic conductive material; and the problems of agglomeration, sedimentation, precipitation and own high oxidization possibility of the conductive filler due to non-uniform dispersion can be prevented, thus the conductive silicone rubber is excellent and stable in conductive performance and mechanical performance.
Description
【Technical field】
The present invention relates to conductive silicon rubber technical field, more particularly to adopts combined conductive agent for the conductive silicon of conductive filler
Rubber and preparation method.
【Background technology】
With developing rapidly for Modern Electronic industry, the various electronic products for human being's production life are progressively to miniature
Change, digitize, integrated direction develops, so that all kinds of problems occurred because electromagnetic wave is interfered with each other are increased sharply, and electricity
The harm of the Radiation On Human body of magnetic wave is also what is should not be underestimated.The Main Function of conductive silicon rubber is sealing and prevents electromagnetism from letting out
Dew, therefore good electric conductivity, higher resilience, are the prerequisites for preparing high-performance conductive silicon rubber.
At present, as the method that above-mentioned imparting rubber composition is conductive, the main method by addition conductive filler.In
In patent document disclosed in state's patent, CN201410506087X, CN038098970, CN028097580,
CN2008100604896、CN2004100743180、CN201410506087、CN201210077600、CN200810060489、
CN200480033846、CN200410074318、CN03809897、CN02809758、CN201410301626、
CN201410130827 Patents are mainly disclosed with single carbon black either graphite or modified or unmodified carbon nanometer
Pipe is either modified or unmodified Graphene, the silver powder either silver-plated copper powder either silvered aluminum powder either metal such as silver powder or nickel powder
Powder prepares conductive silicon rubber as conductive filler.Patent document CN2015105066387, CN2011102783708,
The Patents such as CN2012800687164, CN200810125111X, TW092137260 mainly disclose it is single with small molecule from
Alite etc. prepares conductive silicon rubber as antistatic filler.Above patent mainly by be used alone electronic conductive material or from
Electronic conduction agent is used as conductive filler, although can meet specific conductive characteristic, but under some adverse circumstances such as low temperature and low humidity
Still DeGrain.Patent JP200382232A, CN200610068026.5 etc. is by adding some antistatic additive and carbon black
Material can reduce the phenomenon of conductive inequality, but it is actually used in, effect is not still obvious.
Therefore, it is necessary to solve drawbacks described above.
【The content of the invention】
It is an object of the invention to provide a kind of conductive silicon rubber, it is intended to solve conductive silicon rubber in prior art conductive not
Uniformly, the unstable problem of electric conductivity.
The conductive silicon rubber that the present invention is provided, the main raw material including following weight parts：100 parts of silicon rubber, composite conducting
Agent 0.1-40 parts, vulcanizing agent 0.01-10 parts, crosslinking agent 1-10 parts, other fillers 1-10 parts.Wherein described combined conductive agent includes
Electronic conduction filler, ionic conduction filler, help dispersed polymeres, auxiliary agent and solvent.
Present invention also offers the method for preparing above-mentioned conductive silicon rubber, comprises the following steps：In rubber mixing machine by weight
Part adds silicon rubber, combined conductive agent, is thoroughly mixed 30-40min；Then by vulcanizing agent, crosslinking agent, other fillers by weight
Amount part sequentially adds curing temperature for 30-200 DEG C, and cure time is 0.5h-5h, you can.
Compared with prior art, conductive silicon rubber of the present invention adopts combined conductive agent as conductive filler, both with electronics
The advantage of the fabulous reduction resistivity of conductive material energy, and can uniformly to the electronic conduction material of macroscopic view comprising ion conductive material
The characteristics of material carries out reinforcement, is prevented from conductive filler occur due to disperseing the uneven reunion for occurring, sedimentation, separating out and itself
The easy problem of oxidation, so as to improve the advantage such as conductive characteristic, physical property of conductive material, has conductive silicon rubber excellent
With stable electric conductivity and mechanical performance.
【Specific embodiment】
To realize the object of the invention, with reference to embodiments the present invention is described in further detail.It should be appreciated that this
The described specific embodiment in place, is used only for explaining the present invention, is not intended to limit the present invention.
The invention provides a kind of conductive silicon rubber, is mainly added on combined conductive agent as conductive filler organic
In silicone rubber matrix, so as to form stable conductive system.The conductive silicon rubber includes the raw material of following weight parts：Silicon rubber
100 parts, combined conductive agent 0.1-40 parts, vulcanizing agent 0.01-10 parts, crosslinking agent 1-10 parts, other fillers 1-10 parts.
In above-mentioned conductive silicon rubber component, the silicon rubber is not limited to high-temperature silicon disulfide rubber commonly used in the prior art,
Room temperature vulcanized sili cone rubber can also be adopted.Wherein high temperature vulcanizable silicone selects methyl vinyl silicone rubber, aminomethyl phenyl
Vinylsiloxane rubber, methyl trifluoro propyl silicon rubber, low-phenyl silicone rubber, ammonia silicon rubber, vinylsiloxane rubber or dimethyl-silicon
One or more in rubber；Room temperature vulcanized sili cone rubber is from RTV Methyl Silicone Rubber, the double phenyl room temperature vulcanizations of methyl
Silicon rubber, RTV block methyl silicone rubber, room temperature vulcanization nitrile silicone rubber, RTV fluorocarbon silicone rubber or room temperature vulcanization penylene
One or more in silicon rubber.Above-mentioned silicon rubber high mechanical strength, with it is remarkable can cure, hydrolytic stability and
Good low compression deformation nature.
In the component of above-mentioned conductive silicon rubber, the combined conductive agent includes that electronic conduction filler 0.1-20 parts, ion are led
Electric filler 0.1-20 parts, help dispersed polymeres 1-10, auxiliary agent 1-10 parts and solvent 1-100 parts.
In the concrete combined conductive agent, the electronic conduction filler includes carbon black, modified carbon nano-tube, modified graphite
One or more in alkene, metallic fiber, metallic, ITO or ATO.Mix in silicon rubber, both can be used as the reinforcement of silicon rubber
Agent, can improve silicon rubber mechanics, electricity and chemical property again.
In the concrete combined conductive agent, the ionic conduction filler includes the ammonium salts such as ammonium sulfate, ammonium nitrate, ammonium iodide；
Or LiBF4、LiPF6、LiAsF6、LiSbF6、LiCF3SO3、LiN(SO2CF3)2、LiSO3C4F9、LiC(SO2CF3)3、LiB
(C6H5)4、Deng lithium salts, or ionic liquid and ion liquid polymer.Above-mentioned ionic conduction filler, especially ionic liquid
Body and ion liquid polymer, can form the conductive network of densification, and for silicon rubber excellent electric conductivity is provided, both comprehensive
The advantage high with main body silastic material mixture homogeneity of ion conductive material, solves silastic surface due to little point again
Caused by son migration institute the problems such as precipitation, bloom.
Further, in the ionic conduction filler, the anion in the ionic liquid is mainly：
Wherein R1～R6For methyl, ethyl, propyl group (just, different), hydroxyl, carboxyl, butyl (just, different, uncle), (CH2) 2CN (n
=3,5).
Further, in the ionic conduction filler, the ionic liquid cationic is mainly：
Wherein R7～R12、R14～R21For methyl, ethyl, propyl group (just, different), hydroxyl, carboxyl, butyl (just, different, uncle),
(CH2)n(n=3,5), R13 is methyl, ethyl, propyl group (just, different), butyl (just, different, uncle), (CH to CN2)nCN (n=3,5).
Further, in the ionic conduction filler, the cation of the ion liquid polymer is mainly：
Or
WhereinMethyl, ethyl, propyl group (just, different),
Butyl (just, different, uncle).
Wherein R24
～R28For methyl, ethyl, propyl group (just, different), hydroxyl, carboxyl, butyl (just, different, uncle), (CH2)nCN (n=3,5), it is described from
Sub- liquid polymers polymerization scope be 1-200, preferred degree of polymerization 20.
In the concrete combined conductive agent, it is described help dispersed polymeres can select polyvinyl alcohol, polyvinylpyrrolidone,
One or more in polyethylene glycol, PEO, 1,2- stearoyl phosphatidyl monoethanolamines, polyurethane, PLA.Can carry
The dispersive property of high electronic conduction filler and ionic conduction filler in silicon rubber.
In the concrete combined conductive agent, the auxiliary agent includes silane coupler and dispersant, wherein described dispersant
In optional dimethyl silicone polymer, polybasic carboxylic acid copolymer, polyether modified siloxane or vinyl triethoxyl siloxanes
One or more；Described silane coupler can select end aminopropylpolysiloxane, the hydrogen siloxane of tetramethyl two, tetramethyl tetrem
Thiazolinyl cyclotetrasiloxane, n-octadecane base trichlorosilane, hexadecane base trichlorosilane, n-tetradecane base trichlorosilane, positive ten
Eight alkyltrichlorosilanes, n-octadecane base silicofluoroform, n-hexadecyl silicofluoroform, n-tetradecane base silicofluoroform.Or
γ-chloropropyl trichloro-silane, γ-chloropropyl dichlorosilane, γ-r-chloropropyl trimethoxyl silane, the ethoxy of γ-chloropropyl three
Base silane, chloromethyl triethoxysilane, gamma-aminopropyl-triethoxy-silane, γ-aminopropyltrimethoxysilane, γ-(β-
Aminoethyl) aminopropyl trimethoxysilane, γ-urea propyl-triethoxysilicane, anilinomethyl triethoxysilane, anilinomethyl
Trimethoxy silane, γ-(oxygen of 2,3- epoxies third) propyl trimethoxy silicane, γ-(oxygen of 2,3- epoxies third) propyl triethoxy
Silane, γ-(oxygen of 2,3- epoxies third) hydroxypropyl methyl dimethoxysilane, β-(3,4- epoxycyclohexyls) ethyl trimethoxy silicon
Alkane, gamma-methyl allyl acyloxypropyl trichlorosilane, gamma-methyl allyl acyloxypropyl trimethoxysilane, γ-methacryl
Oxygen hydroxypropyl methyl diethoxy silane, gamma-methyl allyl acyloxypropyl methyl dimethoxysilane, γ-mercapto propyl trimethoxy
Silane, gamma-mercaptopropyltriethoxysilane, double-(the ethoxy silicon propyl group of 3- tri-) tetrasulfide, double-(ethoxy silicon propyl group of 3- tri-) two
Sulfide, vinyl trichlorosilane, VTES, vinyltrimethoxy silane, (the 2- methoxy second of vinyl three
Epoxide) silane, vinyltriacetoxy silane, the tert-butyl peroxide silane of vinyl three, vinyl methyl dichlorosilane, β-
Cyanoethyltrichlorosilane, β-cyanoethyl dimethyl dichlorosilane (DMCS), β-cyanoethyl triethoxysilane, γ-cyanoethyl trimethoxy silicon
One or more in alkane or 3- isocyanatopropyl triethoxysilanes.
In the concrete combined conductive agent, the optional spent glycol of the solvent, acetone, methyl alcohol, ethanol, ether, ethylene glycol
One or more in butyl ether, glycerine, 1,2- propane diols, 1,3- propane diols, isopropanol, N-methyl pyrrolidones, cyclohexanone.
In above-mentioned conductive silicon rubber component, the vulcanizing agent can select benzoyl peroxide, 2,4- phenodiazine benzoyl peroxide first
Acyl, t-butyl perbenzoate, 2,5- dimethyl -2,5- di-tert-butyl peroxide hexanes, cumyl peroxide, the tertiary fourths of 1,1- bis-
Complex compound, the chlorine of base peroxy -3,3,5- trimethyl-cyclohexanes, platinum chloride, acetoacetate platinum, platinum black, chloroplatinic acid and monohydric alcohol
At least one in complex compound, chloroplatinic acid Crown Ether Complexes or other complex compounds that platinic acid is wished with alkene.
In above-mentioned conductive silicon rubber component, the crosslinking agent can select divinylbenzene, divinyl ether, divinyl sulfone,
Ethylene glycol dimethacrylate, diacrylate triglycol ester, TEGDMA, dimethacrylate 1,
4- butanediol esters, dimethacrylate 1,6-HD ester, trimethylolpropane trimethacrylate, trimethylol propane trimethyl
At least one in acrylate or pentaerythritol triacrylate.
In above-mentioned conductive silicon rubber component, described other fillers can select Ta2O5、TiO2、HfO2、(Ba,Sr)TiO3、(Ba,
Zr)TiO3、BaTiO3、ZrO2、HfO2/Si3N4、BZT、BST、Al2O3、Gd2O3, polytetrafluoroethylene (PTFE), hexafluoropropylene (HFP)/tetrafluoroethylene (TFE)
Copolymer, poly(4-methyl-1-pentene), polypropylene, polytrifluorochloroethylene, low density polyethylene (LDPE), high density polyethylene (HDPE), ABS resin,
Polystyrene, ethene-vinyl acetate copolymer, polyphenylene oxide, silicones, Merlon, ethyl cellulose, polyester, polyvinyl chloride,
Polymethyl methacrylate, polyimides, epoxy resin, polyformaldehyde, nylon 6, nylon66 fiber, Vingon, phenolic resin, nitre
Cellulose, Vingon, cyanoethyl be Prussian blue or polyvinylpyrrolidone, and silica, calcium carbonate or oxidation
At least one in calcium, can be used as dielectric conditioning agent, filler, colouring agent or rub resistance strength agents.
The conductive silicon rubber that the present invention is provided, organic silicon rubber matrix is added on using combined conductive agent as conductive filler
It is interior, highly stable conductive system can be formed, compared to single conductive filler, both with the drop that electronic conductive material energy was fabulous
The advantage of low-resistivity, but comprising ion conductive material can uniformly to macroscopic view electronic conductive material carry out reinforcement the characteristics of,
Efficiently solve the problems, such as that the conductive fillers such as single charcoal system, ATO dispersion inequality, electric conductivity are unstable, and ionic conduction material
It is rear easy the problems such as material of main part produces precipitation, bloom that material is used, and with excellent and stable electric conductivity, system material is equal
Other excellent physical features such as one property is high, tensile strength is high, resilience is good, and the simple and practical property of manufacture craft is by force, has
Good using value and market prospects.
Present invention also offers a kind of above-mentioned conductive silicon rubber preparation method, comprises the following steps：
Add silicon rubber, combined conductive agent by weight in rubber mixing machine, be thoroughly mixed 30-40min；Then by sulphur
Agent, crosslinking agent, other fillers are sequentially added by weight, make silicon rubber vulcanization, form fine and close conductive network path, sulfuration
Temperature is 30-200 DEG C, and cure time is 0.5h-5h, you can makes that a kind of conductive system is excellent, good mechanical property new lead
Electric silicon rubber.
Above-mentioned preparation method process is simple, cost are very cheap.
The present invention is further described with reference to specific embodiment.
Embodiment 1：
S1 selects totally 100 parts (both ratios 11 of methyl vinyl silicone rubber and low-phenyl silicone rubber:5), combined conductive agent 7
Part, carry out being sufficiently mixed 30min.
It is prepared by combined conductive agent：
A：Choose 3 parts of superconduction carbon black, 5 parts of γ-r-chloropropyl trimethoxyl silane, 50 parts of blendings of acetone, the water-bath at 100 DEG C
Heating and continuous stirring 0.6h, mixing speed is 1000rpm；
B：Step A gains are carried out with acetone to filter cleaning 5 times, 200 DEG C are dried；
C：5 parts of mixture after step B is processed, sequentially adds LiCF3SO36 parts, 3 parts of polyurethane, 50 parts of acetone fully
High speed shear is disperseed.
S2 is by 3 parts of vulcanizing agent t-butyl perbenzoate, 5 parts of cross-linker divinylbenzene, other filler polytetrafluoroethylene (PTFE) 3
Part, 2 parts of calcium carbonate sequentially add S1 preparation compound in, then put into rubber mixing machine in uniformly mixing, 180 DEG C of curing temperature,
Cure time 3h, you can.
Embodiment 2：
S1 selects RTV block methyl silicone rubber, 100 parts of room temperature vulcanization nitrile silicone rubber (both ratios 3:5), it is combined
5 parts of conductive agent, carries out being sufficiently mixed 30min；
It is prepared by combined conductive agent：
A：10 parts of CNT, 7 parts of γ-chloropropyl triethoxysilane, 50 parts of blendings of ethylene glycol are chosen, at 120 DEG C
Heating water bath persistently stirs 2.5h, and mixing speed is 10000rpm；
B：Step A gains spent glycol is carried out to filter cleaning 7 times, 200 DEG C are dried；
C：10 parts of mixture after step B is processed, sequentially adds LiC (SO2CF3)3、LiB(C6H5)4Totally 10 parts of (both
Ratio 1:3), the abundant high speed shear dispersion of 5 parts of PEO, 50 parts of ethylene glycol.
S2 is by 0.1 part of vulcanizing agent platinum chloride, 6 parts of crosslinking agent ethylene glycol dimethacrylate, the poly- trifluoro chlorine of other fillers
4 parts of ethene, Ta2O5Sequentially add in the compound of S1 preparations for 3 parts, uniformly mix in input rubber mixing machine, 57 DEG C of curing temperature,
Cure time 2.5h, you can.
Embodiment 3A：
S1 selects methyl block RTV fluorocarbon silicone rubber, 100 parts of room temperature phenylene silicone rubber (both ratios 1:2), it is combined
5 parts of conductive agent, carries out being sufficiently mixed 30min；
It is prepared by combined conductive agent：
A：Choose modified graphene, totally 5 parts (both ratios 3 of ITO:7), 7 parts of γ-chloropropyl triethoxysilane, ethanol
60 parts of blendings, heating water bath persistently stirs 2.5h at 100 DEG C, and mixing speed is 12000rpm；
B：Step A gains are carried out with ethanol to filter cleaning 7 times, 200 DEG C are dried；
C：15 parts of mixture after step B is processed, sequentially adds LiPF6、
Totally 15 parts (both ratios 5:3), the abundant high speed shear dispersion of 5 parts of PEO, 70 parts of ethanol.
S2 is by 3 parts of vulcanizing agent t-butyl perbenzoate, 3 parts of crosslinking agent trimethylolpropane trimethacrylate, other fillers
3.5 parts of high density polyethylene (HDPE), nitrocellulose are in 3 parts of compounds for sequentially adding S1 preparations, uniformly to mix in input rubber mixing machine
Close, 65 DEG C of curing temperature, cure time 3.0h, you can.
Embodiment 3B：
S1 selects methyl block RTV fluorocarbon silicone rubber, 100 parts of room temperature phenylene silicone rubber (both ratios 1:2), it is combined
5 parts of conductive agent, carries out being sufficiently mixed 30min；
It is prepared by combined conductive agent：
A：Choose modified graphene, totally 5 parts (both ratios 3 of ITO:7), 7 parts of γ-chloropropyl triethoxysilane, ethanol
60 parts of blendings, heating water bath persistently stirs 2.5h at 100 DEG C, and mixing speed is 12000rpm；
B：Step A gains are carried out with ethanol to filter cleaning 7 times, 200 DEG C are dried；
C：15 parts of mixture after step B is processed, sequentially add ammonium iodide,
Totally 15 parts (both ratios 5:3), the abundant high speed shear dispersion of 5 parts of PEO, 70 parts of ethanol.
S2 is by 3 parts of vulcanizing agent t-butyl perbenzoate, 3 parts of crosslinking agent trimethylolpropane trimethacrylate, other fillers
3.5 parts of high density polyethylene (HDPE), nitrocellulose are in 3 parts of compounds for sequentially adding S1 preparations, uniformly to mix in input rubber mixing machine
Close, 65 DEG C of curing temperature, cure time 3.0h, you can.
Note：The embodiment component is essentially identical with embodiment 3A, except that the ionic conduction filler for selecting is different.
Comparative example 1：
S1 selects methyl block RTV fluorocarbon silicone rubber, 100 parts of room temperature phenylene silicone rubber (both ratios 1:2) it is, conductive
5 parts of agent, carries out being sufficiently mixed 30min；
It is prepared by conductive agent：
A：Choose modified graphene, totally 5 parts (both ratios 3 of ITO:7), 7 parts of γ-chloropropyl triethoxysilane, ethanol
60 parts of blendings, heating water bath persistently stirs 2.5h at 100 DEG C, and mixing speed is 12000rpm；
B：Step A gains are carried out with ethanol to filter cleaning 7 times, 200 DEG C are dried；
C：15 parts of mixture after step B is processed, sequentially adds 5 parts of PEO, 70 parts of ethanol and fully cuts at a high speed
Cutting dissipates.
S2 is by 3 parts of vulcanizing agent t-butyl perbenzoate, 3 parts of crosslinking agent trimethylolpropane trimethacrylate, other fillers
3.5 parts of high density polyethylene (HDPE), nitrocellulose are in 3 parts of compounds for sequentially adding S1 preparations, uniformly to mix in input rubber mixing machine
Close, 65 DEG C of curing temperature, cure time 3.0h, you can.
Note：The embodiment component is essentially identical with embodiment 3A, 3B, except that not adding ionic conduction filler.
Comparative example 2：
Choose 100 parts of vinylsiloxane rubber, 5 parts of metallic fiber, vulcanizing agent 2,5- dimethyl -2,5- di-tert-butyl peroxides
7 parts of hexane, 7 parts of crosslinking agent divinyl sulfone, other fillers Ta2O51.05 parts, Al2O32.5 part；
Above-mentioned raw materials are uniformly mixed in rubber mixing machine, 180 DEG C of curing temperature, cure time 3.5h, you can.
Experimental result see the table below：
| Project | Ambient temperature and moisture volume resistance | Low temperature and low humidity volume resistance | The rough sketch quality of page 2000 |
| Embodiment 1 | 6.37E+04 | 5.64E+05 | It is good |
| Embodiment 2 | 5.36E+04 | 1.28E+05 | It is excellent |
| Embodiment 3A | 4.33E+04 | 2.35E+05 | It is excellent |
| Embodiment 3B | 3.27E+04 | 9.86E+04 | It is excellent |
| Comparative example 1 | 2.32E+05 | 4.53E+07 | In |
| Comparative example 2 | 9.35E+05 | 5.73E+08 | Difference |
Contrasting above-mentioned experimental result can see, embodiment 1.2.3 is added with combined conductive agent, and it has preferably comprehensive
Performance is closed, while it can further be seen that the change CNT and ionic conduction filler shared component in conductive silicon rubber, can sieve
Select the component value that electric conductivity is optimum, printing rough sketch is best.Comparative example 1 prepares conductive silicon using single electronic conduction filler
Rubber, its combination property is less better, and comparative example 2 is prepared using component conventional at present, and rough sketch is second-rate.
Embodiment described above only expresses the preferred embodiment of the present invention, and its description is more concrete and detailed, but and
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformations and improvement can also be made, these belong to the guarantor of the present invention
Shield scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (15)
1. a kind of conductive silicon rubber, it is characterised in that including the raw material of following weight parts：100 parts of silicon rubber, combined conductive agent
0.1-40 parts, vulcanizing agent 0.01-10 parts, crosslinking agent 1-10 parts, other fillers 1-10 parts.
2. conductive coating according to claim 1, it is characterised in that the silicon rubber is first in high temperature vulcanizable silicone
Base vinylsiloxane rubber, methyl phenyl vinyl silicone rubber, methyl trifluoro propyl silicon rubber, low-phenyl silicone rubber, ammonia silicon rubber,
One or more in vinylsiloxane rubber or dimethyl silicone rubber；Or methyl room temperature vulcanization in room temperature vulcanized sili cone rubber
The double phenyl room temperature vulcanized silicone rubbers of silicon rubber, methyl, RTV block methyl silicone rubber, room temperature vulcanization nitrile silicone rubber, room temperature
One or more in sulfuration fluorosioloxane rubber or room temperature vulcanization phenylene silicone rubber.
3. conductive silicon rubber according to claim 1, it is characterised in that the combined conductive agent includes electronic conduction filler
0.1-20 parts, ionic conduction filler 0.1-20 parts, help dispersed polymeres 1-10, auxiliary agent 1-10 parts and solvent 1-100 parts.
4. ionic conductive agent according to claim 3, it is characterised in that the electronic conduction filler includes carbon black, modified
One or more in CNT, modified graphene, metallic fiber, metallic, ITO or ATO.
5. conductive silicon rubber according to claim 3, it is characterised in that the ionic conduction filler includes ammonium sulfate, nitre
Sour ammonium, ammonium iodide, LiBF4、LiPF6、LiAsF6、LiSbF6、LiCF3SO3、LiN(SO2CF3)2、LiSO3C4F9、LiC
(SO2CF3)3、LiB(C6H5)4, or ionic liquid and ion liquid polymer.
6. conductive silicon rubber according to claim 5, it is characterised in that the ionic liquid anion is
[Cl]-、[Br]-、[CoCl4]-、
[MnCl4]-、[FeCl4]-, wherein R1～R6For methyl, ethyl, propyl group (just, different), hydroxyl, carboxyl, butyl (just, different, uncle),
(CH2) 2CN (n=3,5).
7. conductive silicon rubber according to claim 5, it is characterised in that the ionic liquid cation is mainly Wherein R7～R12、R14～R21For methyl, ethyl, propyl group (just, different), hydroxyl, carboxyl,
Butyl (just, different, uncle), (CH2) 2CN (n=3,5), R13 be methyl, ethyl, propyl group (just, different), butyl (just, different, uncle),
(CH2) 2CN (n=3,5).
8. conductive silicon rubber according to claim 5, it is characterised in that the ion liquid polymer cation is mainlyOrWherein
R22=Methyl, ethyl, propyl group (just, different), butyl are (just,
Different, uncle)；
R23=R24～R28For first
(n=3,5), the ionic liquid gathers for base, ethyl, propyl group (just, different), hydroxyl, carboxyl, butyl (just, different, uncle), (CH2) 2CN
Compound polymerization scope is 1-200.
9. conductive silicon rubber according to claim 3, it is characterised in that：It is described help dispersed polymeres include polyvinyl alcohol,
In polyvinylpyrrolidone, polyethylene glycol, PEO, 1,2- stearoyl phosphatidyl monoethanolamines, polyurethane, PLA
One or more.
10. conductive silicon rubber according to claim 3, it is characterised in that the auxiliary agent includes silane coupler and dispersion
Agent, wherein described dispersant is dimethyl silicone polymer, polybasic carboxylic acid copolymer, polyether modified siloxane or the second of vinyl three
One or more in epoxide siloxanes；Described silane coupler for end aminopropylpolysiloxane, the hydrogen siloxane of tetramethyl two,
T etram-ethyltetravinylcyclotetrasiloxane, n-octadecane base trichlorosilane, hexadecane base trichlorosilane, n-tetradecane base trichlorine
Silane, n-octadecane base trichlorosilane, n-octadecane base silicofluoroform, n-hexadecyl silicofluoroform, n-tetradecane base trifluoro
Silane.Or γ-chloropropyl trichloro-silane, γ-chloropropyl dichlorosilane, γ-r-chloropropyl trimethoxyl silane, γ-chlorine
Propyl-triethoxysilicane, chloromethyl triethoxysilane, gamma-aminopropyl-triethoxy-silane, γ-aminopropyl trimethoxy silicon
Alkane, γ-(β-aminoethyl) aminopropyl trimethoxysilane, γ-urea propyl-triethoxysilicane, anilinomethyl triethoxysilicane
Alkane, anilinomethyl trimethoxy silane, γ-(oxygen of 2,3- epoxies third) propyl trimethoxy silicane, γ-(oxygen of 2,3- epoxies third) third
Ethyl triethoxy silicane alkane, γ-(oxygen of 2,3- epoxies third) hydroxypropyl methyl dimethoxysilane, β-(3,4- epoxycyclohexyls) ethyl three
Methoxy silane, gamma-methyl allyl acyloxypropyl trichlorosilane, gamma-methyl allyl acyloxypropyl trimethoxysilane, γ-first
Base acryloxypropyl methyldiethoxysilane, gamma-methyl allyl acyloxypropyl methyl dimethoxysilane, γ-mercapto propyl group
Trimethoxy silane, gamma-mercaptopropyltriethoxysilane, double-(the ethoxy silicon propyl group of 3- tri-) tetrasulfide, double-(ethoxy silicon of 3- tri-
Propyl group) disulphide, vinyl trichlorosilane, VTES, vinyltrimethoxy silane, vinyl three
(2- methoxyethoxies) silane, vinyltriacetoxy silane, the tert-butyl peroxide silane of vinyl three, vinyl methyl two
Chlorosilane, β-cyanoethyltrichlorosilane, β-cyanoethyl dimethyl dichlorosilane (DMCS), β-cyanoethyl triethoxysilane, γ-cyanoethyl three
One or more in methoxy silane or 3- isocyanatopropyl triethoxysilanes.
11. conductive silicon rubbers according to claim 3, it is characterised in that：The solvent comprising ethylene glycol, acetone, methyl alcohol,
Ethanol, ether, butyl glycol ether, glycerine, 1,2- propane diols, 1,3- propane diols, isopropanol, N-methyl pyrrolidones, hexamethylene
One or more in ketone.
12. conductive silicon rubbers according to any one of claim 1-11, it is characterised in that the vulcanizing agent is benzoyl peroxide
Formyl, 2,4- phenodiazine benzoyl peroxides, t-butyl perbenzoate, 2,5- dimethyl -2,5- di-tert-butyl peroxide hexanes, mistake
Oxidation diisopropylbenzene (DIPB), 1,1 di tert butylperoxy 3,3,5 trimethylcyclohexane, platinum chloride, acetoacetate platinum, platinum black, chlorine
In the platinic acid complex compound uncommon with the complex compound of monohydric alcohol, chloroplatinic acid and alkene, chloroplatinic acid Crown Ether Complexes or other complex compounds
It is at least one.
13. conductive silicon rubbers according to any one of claim 1-11, it is characterised in that the crosslinking agent is divinyl
Benzene, divinyl ether, divinyl sulfone, ethylene glycol dimethacrylate, diacrylate triglycol ester, dimethacrylate three
Glycol ester, dimethacrylate 1,4- butanediol esters, dimethacrylate 1,6-HD ester, trimethylolpropane tris propylene
At least one in acid esters, trimethylol-propane trimethacrylate or pentaerythritol triacrylate.
14. conductive silicon rubbers according to any one of claim 1-11, it is characterised in that described other fillers are Ta2O5、
TiO2、HfO2、(Ba,Sr)TiO3、(Ba,Zr)TiO3、BaTiO3、ZrO2、HfO2/Si3N4、BZT、BST、Al2O3、Gd2O3, poly- four
PVF, tetrafluoraoethylene-hexafluoropropylene copolymer, poly(4-methyl-1-pentene), polypropylene, polytrifluorochloroethylene, low density polyethylene
Alkene, high density polyethylene (HDPE), ABS resin, polystyrene, ethene-vinyl acetate copolymer, polyphenylene oxide, silicones, Merlon,
Ethyl cellulose, polyester, polyvinyl chloride, polymethyl methacrylate, polyimides, epoxy resin, polyformaldehyde, nylon 6, nylon
66th, Vingon, phenolic resin, nitrocellulose, Vingon, cyanoethyl be Prussian blue or polyvinylpyrrolidone,
And at least one in silica, calcium carbonate or calcium oxide.
Conductive silicon rubber preparation method described in a kind of 15. any one of employing claim 1-14, it is characterised in that including following
Step：Add silicon rubber, combined conductive agent by weight in rubber mixing machine, be thoroughly mixed 30-40min；Then will sulfuration
Agent, crosslinking agent, other fillers are sequentially added by weight, and curing temperature is 30-200 DEG C, and cure time is 0.5h-5h, you can.
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