CN108299705A - A kind of semi-conducting material and preparation method thereof for lightning protection - Google Patents
A kind of semi-conducting material and preparation method thereof for lightning protection Download PDFInfo
- Publication number
- CN108299705A CN108299705A CN201810119906.3A CN201810119906A CN108299705A CN 108299705 A CN108299705 A CN 108299705A CN 201810119906 A CN201810119906 A CN 201810119906A CN 108299705 A CN108299705 A CN 108299705A
- Authority
- CN
- China
- Prior art keywords
- parts
- graphite
- lightning protection
- semi
- conducting material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L21/00—Compositions of unspecified rubbers
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Conductive Materials (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The semi-conducting material and preparation method thereof that the invention discloses a kind of for lightning protection, includes the raw material of following parts by weight：48 parts of 42 58 parts of graphite, 15 22 parts of conductive rubber, 2.4 5 parts of calcirm-fluoride, 36 parts of ammonium stearate, 58 parts of iron chloride, 12 16 parts of muscovite, 6 10 parts of nano silicon dioxide, 2.6 5.5 parts of sodium sulphate, 10 15 parts of polyacrylamide, 8 12 parts of polytetrafluoroethylene (PTFE), 1.6 3.4 parts of coupling agent and calamus.Raw material sources of the present invention are extensive, and by the interaction between various raw materials, the compatibility for preparing finished product is good, material be uniformly dispersed degree height, have good lightning protection effect, have a extensive future.
Description
Technical field
The present invention relates to lightning protection field, specifically a kind of semi-conducting material for lightning protection.
Background technology
Thunder and lightning is a kind of common natural phenomena, is the positive and negative charge concentration of high density in borderline electric discharge phenomena, it has
There is the features such as high voltage, high current, high current-rising-rate, voltage may be up to 2MV when lightning stroke, and peak point current is up to 200kA, thunder and lightning
The energy that tens of to hundreds of kWh are released with s grades of moments of μ, can generate 30000 DEG C high temperature and 10 or more atmospheric pressures.
Nature has millions of secondary lightnings every year, Lightning Disaster be ten kinds of the most serious that " the United Nations's International Decade for Disaster Reduction " is announced from
One of right disaster.Updated statistics shows that loss caused by thunder and lightning has increased to the third position of natural calamity.It is global annual
Because lightning stroke causes casualties, property loss is countless.Range involved by Lightning Disaster almost spreads over all trades and professions.
Semiconductor is indispensable material in the development of mankind's contemporary industry, is said on ordinary meaning, semiconductor refers to room temperature
Material of the lower electric conductivity between conductor and insulator.Semiconductor has extensively on radio, television set and thermometric
Application.Semi-conducting material can be divided by chemical composition, then by structure and the more special amorphous state of performance and liquid semiconductor
Individually it is classified as one kind.Can semi-conducting material be divided into elemental semiconductor according to such sorting technique, inorganic compound semiconductor, had
Machine compound semiconductor and amorphous state and liquid semiconductor, doping metals particle carrys out lightning protection to people in a semiconductor material, most often
What is seen is lightning protected cable.
But some metal particle sizes of existing lightning protected cable doping are uneven, semiconductor material surface is constantly present part
Electronic current and ionic current are unequal, and semiconductor material surface is caused to form charge accumulation, and lightning protection efficiency is bad.
Invention content
The purpose of the present invention is to provide a kind of semi-conducting materials for lightning protection, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the present invention provides the following technical solutions：
A kind of semi-conducting material for lightning protection includes the raw material of following parts by weight：42-58 parts of graphite, conductive rubber 15-
22 parts, 2.4-5 parts of calcirm-fluoride, 3-6 parts of ammonium stearate, 5-8 parts of iron chloride, 12-16 parts of muscovite, nano silicon dioxide 6-10
Part, 2.6-5.5 parts of sodium sulphate, 10-15 parts of polyacrylamide, 8-12 parts of polytetrafluoroethylene (PTFE), 1.6-3.4 parts of coupling agent and calamus 4-
8 parts.
As a further solution of the present invention：Graphite using in three layers of graphite, Multi-layer graphite and graphite oxide one kind or
Person is two or more with the mixed mixture of arbitrary ratio, and coupling agent is using one kind in titanate coupling agent or silane coupling agent.
As a further solution of the present invention：The granularity of sodium sulphate is 0.65-2.38mm, and the granularity of calcirm-fluoride is 1.34-
3.52mm。
The preparation method of the semi-conducting material for lightning protection, is as follows：
The ethanol solution that the mass fraction of 8-15 times of calamus and its weight is 70-85% is put in a kettle and is added by step 1
Enter catalyst, is reacted 20-30 minutes under 158-185 degrees Celsius, it is reaction product is cooling and absolute ethyl alcohol is added extracts
It takes, liquid phase stratification is organic phase and ethanol water phase, is evaporated under reduced pressure to organic phase, you can obtain calamus extraction
Liquid；
Graphite and muscovite are milled to 50-80 mesh, obtain graphite powder and white mica powder by step 2, by graphite powder, muscovite
Powder, calamus extracting solution, ammonium stearate, iron chloride and water are mixed, and are then disperseed under the ultrasonic wave of 260-330W, are obtained
To the first dispersion liquid；
Step 3 nano silicon dioxide, sodium sulphate and polyacrylamide is added in the glycerine that temperature is 65-76 degrees Celsius, then
Calcirm-fluoride is added thereto and ultrasonic wave disperses 25-40 minutes, obtains the second dispersion liquid；
Conductive rubber and polytetrafluoroethylene (PTFE) are separately heated to molten condition by step 4, by the first dispersion liquid, the second dispersion liquid,
Batch mixer is added after the Teflon stir of coupling agent, the conductive rubber of molten condition and molten condition to be uniformly mixed, then
It adds twin-screw extrude, extruding pelletization under the conditions of extrusion temperature is 145-175 DEG C and die head temperature is 190-210 DEG C,
It can be obtained finished product.
As a further solution of the present invention：The mixing velocity of batch mixer is 900-1500rpm in step 4.
Compared with prior art, the beneficial effects of the invention are as follows：Raw material sources of the present invention are extensive, by between various raw materials
Interaction, the compatibility for preparing finished product is good, material be uniformly dispersed degree height, have good lightning protection effect, application prospect
It is wide.
Specific implementation mode
The technical solution of this patent is described in more detail With reference to embodiment.
Embodiment 1
A kind of semi-conducting material for lightning protection includes the raw material of following parts by weight：42 parts of graphite, 15 parts of conductive rubber,
2.4 parts of calcirm-fluoride, 3 parts of ammonium stearate, 5 parts of iron chloride, 12 parts of muscovite, 6 parts of nano silicon dioxide, 2.6 parts of sodium sulphate, poly- third
4 parts of 10 parts of acrylamide, 8 parts of polytetrafluoroethylene (PTFE), 1.6 parts of coupling agent and calamus.Graphite uses Multi-layer graphite, coupling agent to use metatitanic acid
Ester coupling agent.
The preparation method of the semi-conducting material for lightning protection, is as follows：
The ethanol solution that 10 times of mass fraction of calamus and its weight is 75% is put in a kettle and is added and urged by step 1
Agent is reacted 25 minutes under 164 degrees Celsius, reaction product is cooling and absolute ethyl alcohol is added extracts, and liquid phase is stood
It is layered as organic phase and ethanol water phase, organic phase is evaporated under reduced pressure, you can obtains calamus extracting solution；
Graphite and muscovite are milled to 60 mesh, obtain graphite powder and white mica powder by step 2, by graphite powder, white mica powder, Chang
Pu extracting solution, ammonium stearate, iron chloride and water are mixed, and are then disperseed under the ultrasonic wave of 280W, obtain first point
Dispersion liquid；
Step 3, temperature, which is added, in nano silicon dioxide, sodium sulphate and polyacrylamide is in 72 degrees Celsius of glycerine, then to its
Middle addition calcirm-fluoride and ultrasonic wave disperse 32 minutes, obtain the second dispersion liquid；
Conductive rubber and polytetrafluoroethylene (PTFE) are separately heated to molten condition by step 4, by the first dispersion liquid, the second dispersion liquid,
Batch mixer is added after the Teflon stir of coupling agent, the conductive rubber of molten condition and molten condition to be uniformly mixed, then
It adds twin-screw extrude, extruding pelletization under the conditions of extrusion temperature is 154 DEG C and die head temperature is 198 DEG C, you can obtain
Finished product.
The product of embodiment 1 is tested for the property, it is 436% to measure elongation at break, volume resistivity 212
Cm, resistance to thunder level are 185kA.
Embodiment 2
A kind of semi-conducting material for lightning protection includes the raw material of following parts by weight：46 parts of graphite, 17 parts of conductive rubber,
3.6 parts of calcirm-fluoride, 4.5 parts of ammonium stearate, 6.5 parts of iron chloride, 13.5 parts of muscovite, 8 parts of nano silicon dioxide, 4 parts of sodium sulphate,
5.6 parts of 12 parts of polyacrylamide, 10 parts of polytetrafluoroethylene (PTFE), 2.5 parts of coupling agent and calamus.The granularity of sodium sulphate is 0.87mm, fluorine
The granularity for changing calcium is 2.58mm.
The preparation method of the semi-conducting material for lightning protection, is as follows：
The ethanol solution that 10 times of mass fraction of calamus and its weight is 74% is put in a kettle and is added and urged by step 1
Agent is reacted 24 minutes under 173 degrees Celsius, reaction product is cooling and absolute ethyl alcohol is added extracts, and liquid phase is stood
It is layered as organic phase and ethanol water phase, organic phase is evaporated under reduced pressure, you can obtains calamus extracting solution；
Graphite and muscovite are milled to 75 mesh, obtain graphite powder and white mica powder by step 2, by graphite powder, white mica powder, Chang
Pu extracting solution, ammonium stearate, iron chloride and water are mixed, and are then disperseed under the ultrasonic wave of 300W, obtain first point
Dispersion liquid；
Step 3, temperature, which is added, in nano silicon dioxide, sodium sulphate and polyacrylamide is in 72 degrees Celsius of glycerine, then to its
Middle addition calcirm-fluoride and ultrasonic wave disperse 32 minutes, obtain the second dispersion liquid；
Conductive rubber and polytetrafluoroethylene (PTFE) are separately heated to molten condition by step 4, by the first dispersion liquid, the second dispersion liquid,
Batch mixer is added after the Teflon stir of coupling agent, the conductive rubber of molten condition and molten condition to be uniformly mixed, then
It adds twin-screw extrude, extruding pelletization under the conditions of extrusion temperature is 160 DEG C and die head temperature is 198 DEG C, you can obtain
Finished product.
The product of embodiment 2 is tested for the property, it is 512% to measure elongation at break, volume resistivity 189
Cm, resistance to thunder level are 193kA.
Embodiment 3
A kind of semi-conducting material for lightning protection includes the raw material of following parts by weight：54 parts of graphite, 20 parts of conductive rubber,
4.4 parts of calcirm-fluoride, 5.2 parts of ammonium stearate, 7.2 parts of iron chloride, 15 parts of muscovite, 8.8 parts of nano silicon dioxide, 5 parts of sodium sulphate,
7 parts of 14 parts of polyacrylamide, 11.4 parts of polytetrafluoroethylene (PTFE), 3 parts of coupling agent and calamus.The granularity of sodium sulphate is 2.16mm, fluorination
The granularity of calcium is 3.24mm.
The preparation method of the semi-conducting material for lightning protection, is as follows：
The ethanol solution that 13 times of mass fraction of calamus and its weight is 82% is put in a kettle and is added and urged by step 1
Agent is reacted 24 minutes under 180 degrees Celsius, reaction product is cooling and absolute ethyl alcohol is added extracts, and liquid phase is stood
It is layered as organic phase and ethanol water phase, organic phase is evaporated under reduced pressure, you can obtains calamus extracting solution；
Graphite and muscovite are milled to 60 mesh, obtain graphite powder and white mica powder by step 2, by graphite powder, white mica powder, Chang
Pu extracting solution, ammonium stearate, iron chloride and water are mixed, and are then disperseed under the ultrasonic wave of 320W, obtain first point
Dispersion liquid；
Step 3, temperature, which is added, in nano silicon dioxide, sodium sulphate and polyacrylamide is in 72 degrees Celsius of glycerine, then to its
Middle addition calcirm-fluoride and ultrasonic wave disperse 40 minutes, obtain the second dispersion liquid；
Conductive rubber and polytetrafluoroethylene (PTFE) are separately heated to molten condition by step 4, by the first dispersion liquid, the second dispersion liquid,
Batch mixer is added after the Teflon stir of coupling agent, the conductive rubber of molten condition and molten condition with 1300rpm to turn
Speed is uniformly mixed, and is then added twin-screw extrude, and is squeezed under the conditions of extrusion temperature is 165 DEG C and die head temperature is 205 DEG C
Go out to be granulated, you can obtain finished product.
The product of embodiment 3 is tested for the property, it is 472% to measure elongation at break, volume resistivity 234
Cm, resistance to thunder level are 202kA.
Embodiment 4
A kind of semi-conducting material for lightning protection includes the raw material of following parts by weight：42-58 parts of graphite, conductive rubber 15-
22 parts, 2.4-5 parts of calcirm-fluoride, 3-6 parts of ammonium stearate, 5-8 parts of iron chloride, 12-16 parts of muscovite, nano silicon dioxide 6-10
Part, 2.6-5.5 parts of sodium sulphate, 10-15 parts of polyacrylamide, 8-12 parts of polytetrafluoroethylene (PTFE), 1.6-3.4 parts of coupling agent and calamus 4-
8 parts.Graphite uses Multi-layer graphite and graphite oxide with the mixed mixture of arbitrary ratio, and coupling agent uses silane coupling agent.Sulfuric acid
The granularity of sodium is 1.76mm, and the granularity of calcirm-fluoride is 2.48mm.
The preparation method of the semi-conducting material for lightning protection, is as follows：
The ethanol solution that 12 times of mass fraction of calamus and its weight is 80% is put in a kettle and is added and urged by step 1
Agent is reacted 25 minutes under 180 degrees Celsius, reaction product is cooling and absolute ethyl alcohol is added extracts, and liquid phase is stood
It is layered as organic phase and ethanol water phase, organic phase is evaporated under reduced pressure, you can obtains calamus extracting solution；
Graphite and muscovite are milled to 70 mesh, obtain graphite powder and white mica powder by step 2, by graphite powder, white mica powder, Chang
Pu extracting solution, ammonium stearate, iron chloride and water are mixed, and are then disperseed under the ultrasonic wave of 280W, obtain first point
Dispersion liquid；
Step 3, temperature, which is added, in nano silicon dioxide, sodium sulphate and polyacrylamide is in 70 degrees Celsius of glycerine, then to its
Middle addition calcirm-fluoride and ultrasonic wave disperse 30 minutes, obtain the second dispersion liquid；
Conductive rubber and polytetrafluoroethylene (PTFE) are separately heated to molten condition by step 4, by the first dispersion liquid, the second dispersion liquid,
Batch mixer is added after the Teflon stir of coupling agent, the conductive rubber of molten condition and molten condition with 1200rpm to turn
Speed is uniformly mixed, and is then added twin-screw extrude, and is squeezed under the conditions of extrusion temperature is 165 DEG C and die head temperature is 200 DEG C
Go out to be granulated, you can obtain finished product.
The product of embodiment 4 is tested for the property, it is 494% to measure elongation at break, volume resistivity 196
Cm, resistance to thunder level are 227kA.
By graphite in the mixture of calamus extracting solution, ammonium stearate, iron chloride and water ultrasonic disperse, graphite is changed
Property, then with the polytetrafluoroethylene (PTFE) of the second dispersion liquid, coupling agent, the conductive rubber of molten condition and molten condition squeeze and make
Grain, obtains finished product, by graphite surface modification and loads other ions, keeps the charge that semiconductor material surface is accumulated long-range
It at the uniform velocity migrates, the performance test of embodiment 1-4 can prove that the lightning protection effect of this product is good.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (5)
1. a kind of semi-conducting material for lightning protection, which is characterized in that include the raw material of following parts by weight：Graphite 42-58
Part, 15-22 parts of conductive rubber, 2.4-5 parts of calcirm-fluoride, 3-6 parts of ammonium stearate, 5-8 parts of iron chloride, 12-16 parts of muscovite, nanometer
6-10 parts of silica, 2.6-5.5 parts of sodium sulphate, 10-15 parts of polyacrylamide, 8-12 parts of polytetrafluoroethylene (PTFE), coupling agent 1.6-
3.4 parts and 4-8 parts of calamus.
2. the semi-conducting material according to claim 1 for lightning protection, which is characterized in that the graphite uses three layers
One or two kinds of above with the mixed mixture of arbitrary ratio in graphite, Multi-layer graphite and graphite oxide, coupling agent uses titanium
One kind in acid esters coupling agent or silane coupling agent.
3. the semi-conducting material according to claim 1 for lightning protection, which is characterized in that the granularity of the sodium sulphate
Granularity for 0.65-2.38mm, calcirm-fluoride is 1.34-3.52mm.
4. a kind of preparation method of the semi-conducting material as described in any one of claims 1-3 for lightning protection, feature exist
In being as follows：
The ethanol solution that the mass fraction of 8-15 times of calamus and its weight is 70-85% is put in a kettle and is added by step 1
Enter catalyst, is reacted 20-30 minutes under 158-185 degrees Celsius, it is reaction product is cooling and absolute ethyl alcohol is added extracts
It takes, liquid phase stratification is organic phase and ethanol water phase, is evaporated under reduced pressure to organic phase, you can obtain calamus extraction
Liquid；
Graphite and muscovite are milled to 50-80 mesh, obtain graphite powder and white mica powder by step 2, by graphite powder, muscovite
Powder, calamus extracting solution, ammonium stearate, iron chloride and water are mixed, and are then disperseed under the ultrasonic wave of 260-330W, are obtained
To the first dispersion liquid；
Step 3 nano silicon dioxide, sodium sulphate and polyacrylamide is added in the glycerine that temperature is 65-76 degrees Celsius, then
Calcirm-fluoride is added thereto and ultrasonic wave disperses 25-40 minutes, obtains the second dispersion liquid；
Conductive rubber and polytetrafluoroethylene (PTFE) are separately heated to molten condition by step 4, by the first dispersion liquid, the second dispersion liquid,
Batch mixer is added after the Teflon stir of coupling agent, the conductive rubber of molten condition and molten condition to be uniformly mixed, then
It adds twin-screw extrude, extruding pelletization under the conditions of extrusion temperature is 145-175 DEG C and die head temperature is 190-210 DEG C,
It can be obtained finished product.
5. the preparation method of the semi-conducting material according to claim 4 for lightning protection, which is characterized in that the step
The mixing velocity of batch mixer is 900-1500rpm in rapid four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810119906.3A CN108299705A (en) | 2018-02-07 | 2018-02-07 | A kind of semi-conducting material and preparation method thereof for lightning protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810119906.3A CN108299705A (en) | 2018-02-07 | 2018-02-07 | A kind of semi-conducting material and preparation method thereof for lightning protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108299705A true CN108299705A (en) | 2018-07-20 |
Family
ID=62864594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810119906.3A Pending CN108299705A (en) | 2018-02-07 | 2018-02-07 | A kind of semi-conducting material and preparation method thereof for lightning protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108299705A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104356603A (en) * | 2014-11-27 | 2015-02-18 | 黑龙江省科学院石油化学研究院 | Semiconductor adhesive film material for preparing lightning-protection shunt bars and preparation method thereof |
| CN106633862A (en) * | 2016-10-06 | 2017-05-10 | 常州市鼎升环保科技有限公司 | Preparation method for lightning-protection semiconductor material |
| CN107698980A (en) * | 2017-10-13 | 2018-02-16 | 南京旭羽睿材料科技有限公司 | A kind of anti-lightning strike graphene composite material and preparation method thereof |
-
2018
- 2018-02-07 CN CN201810119906.3A patent/CN108299705A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104356603A (en) * | 2014-11-27 | 2015-02-18 | 黑龙江省科学院石油化学研究院 | Semiconductor adhesive film material for preparing lightning-protection shunt bars and preparation method thereof |
| CN106633862A (en) * | 2016-10-06 | 2017-05-10 | 常州市鼎升环保科技有限公司 | Preparation method for lightning-protection semiconductor material |
| CN107698980A (en) * | 2017-10-13 | 2018-02-16 | 南京旭羽睿材料科技有限公司 | A kind of anti-lightning strike graphene composite material and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107046140B (en) | A kind of fluorine-containing bipolar plates and preparation method thereof | |
| Pu et al. | Application of nitrogen-doped graphene nanosheets in electrically conductive adhesives | |
| WO2016093645A1 (en) | Method for preparing graphene by using high speed homogenization pretreatment and high pressure homogenization | |
| CN106366418B (en) | The method of nano-graphite load graphene nanobelt modified poly ethylene film | |
| CN103254533A (en) | Preparation method of polytetrafluoroethylene film doped with conducting particles | |
| CN106009190A (en) | 500 kv or below flexible direct-current cable insulation material working at 90 DEG C and preparing method thereof | |
| Badot et al. | A multiscale description of the electronic transport within the hierarchical architecture of a composite electrode for lithium batteries | |
| CN105206844A (en) | Preparation method of lead storage battery grid containing lead-graphene composite | |
| Liu et al. | High energy density LiFePO4/C cathode material synthesized by wet ball milling combined with spray drying method | |
| WO2023226515A1 (en) | Mxene-based composite conductive paste, and preparation method therefor and use thereof | |
| CN105324824A (en) | Capacitor anode and production method for same | |
| CN106910924A (en) | A kind of conductive ventilative blocking solution film and its preparation and application | |
| CN113436779A (en) | Composite conductive powder and preparation method thereof | |
| JP6094932B2 (en) | Composition for negative electrode active material, negative electrode, non-aqueous electrolyte secondary battery, and method for producing composition for negative electrode active material | |
| CN102634108A (en) | Halogen free releasable semiconductive insulation shielding material and production method thereof | |
| CN111293311A (en) | Conductive agent slurry, preparation method of conductive agent slurry and battery positive electrode slurry | |
| CN108299705A (en) | A kind of semi-conducting material and preparation method thereof for lightning protection | |
| Pavlović et al. | Electrical conductivity of lignocellulose composites loaded with electrodeposited copper powders. Part III. Influence of particle morphology on appearance of electrical conductive layers | |
| CN104538631B (en) | A kind of cell positive material and preparation method thereof | |
| Feng et al. | Significantly reduced dielectric loss and conductivity in polymer-based nano-composites from a suppressed interface coulomb force | |
| Deng et al. | A facile way to fabricate novel 2–3-type composites based on zinc powders and polyvinylidene fluoride with enhanced dielectric properties | |
| CN110804234A (en) | Novel method for preparing PPTC (polymeric positive temperature coefficient) overcurrent protection element by using graphene | |
| CN105037991B (en) | A kind of bismuthic acid barium nanometer rods electronic package material | |
| CN103980600A (en) | Method for preparing ultra-clean nano-modified polyolefin high-voltage direct-current (HVDC) cable material | |
| JP2005060204A (en) | Conductive material-covered expanded graphite, graphite based conductive filler, conductive rubber material, rubber molding and method for producing rubber molding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180720 |
|
| RJ01 | Rejection of invention patent application after publication |