CN107017477A - A kind of modified fibre strengthens the preparation method of earthing material - Google Patents
A kind of modified fibre strengthens the preparation method of earthing material Download PDFInfo
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- CN107017477A CN107017477A CN201710100725.1A CN201710100725A CN107017477A CN 107017477 A CN107017477 A CN 107017477A CN 201710100725 A CN201710100725 A CN 201710100725A CN 107017477 A CN107017477 A CN 107017477A
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- wood pulp
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- copper
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
- H01B1/22—Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
- H01B1/24—Conductive material dispersed in non-conductive organic material the conductive material comprising carbon-silicon compounds, carbon or silicon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
Abstract
The present invention relates to the preparation method that a kind of modified fibre strengthens earthing material, belong to earthing material technical field.The present invention first carries out foaming processing to wood pulp cellulose, wood pulp cellulose structure is set to expand to form porous wood pulp cellulose, drying will be washed after wood pulp cellulose acidleach again, obtain and added after dried object in mixing copper salt solution, reducing agent is then added dropwise, make mantoquita reduction reaction, material is put into tube furnace after reduction, hydrogen is passed through further to be reduced, copper ion is reduced into after copper simple substance is supported in porous wood pulp cellulose and mixed with graphite, modified fibre enhancing earthing material is can obtain after compressing, the earthing material that the present invention is prepared using wood pulp cellulose and graphite, corrosion resistance is strong, and its heat resistance, the excellent performance of flexible and electric conductivity, and it is easy to processing, it is quality controllable, cost is also reasonably controlled simultaneously.
Description
Technical field
The present invention relates to the preparation method that a kind of modified fibre strengthens earthing material, belong to earthing material technical field.
Background technology
Ground connection is the important means of the equipment such as microelectronic device to ensure electric power, communicating, building and personal safety.With
The progress of electric power, microelectronics and the most advanced branches of science, for the requirement also more and more higher of earthed system.In recent years due to earthed system
The bad device damage accident caused occurs again and again, particularly corrodes in thunderstorm season earthing or grounding means, makes grounding resistance
Rise, making the thermal stability of earthed system reduces, so that the equipment triggered damages also generation again and again because of thunderbolt.With electric power
The continuous increase of power system capacity, the requirement of grounded screen safe operation is more and more stricter, to the stability of pole tower ground resistance will
Ask also higher.Current power system grounding body mainly faces corrosion and drop resistance problem, for a long time, has carried out largely connect both at home and abroad
Ground technical research problem, it is proposed that the resistance reduction technology such as plasma ground rod, and cathodic protection aseptic technic, but so far not from root
Ground connection etching problem is solved in sheet.Power system grounded screen is typically using metal materials, price such as steel, copper, zinc Baogang, copper covered steels
Costliness, and easily occur spontaneous corrosion, the plating alloy material antiseptic effect such as galvanized steel is poor, under external force and environmental factor effect,
Oxygen concentration difference electrochemical corrosion is easily formed between hard metal grounding body and soft unexpected colloid, shortens its service life.Copper
Corrosion resistance is 3~4 times of steel, and too high material cost is to limit its main original applied in transmission line tower grounding network
Cause.Copper covered steel earthing material antiseptic property preferably, typically easily there is spot corrosion in grounding body end, when copper covered steel grounding body because
When natural cause is distorted or bent, surface copper capping layer is easily rupturable and then accelerates the corrosion rate of internal Steel material.At present
Earthing material common problem, corrosion resistance and flexibility are poor, transport difficulty of construction is big, be tampered greatly, easily with soil gap
And high cost.
The content of the invention
The technical problems to be solved by the invention：Perishable, the intensity difference for traditional metallic ground material, it is flexible it is poor,
The problem of difficulty of construction is big is transported there is provided the preparation method that a kind of modified fibre strengthens earthing material, the present invention is first to wood pulp
Fiber carries out foaming processing, makes wood pulp cellulose structure expand to form porous wood pulp cellulose, then will wash dry after wood pulp cellulose acidleach
It is dry, obtain and added after dried object in mixing copper salt solution, reducing agent is then added dropwise, material after mantoquita reduction reaction, reduction is put into
In tube furnace, be passed through hydrogen and further reduced, by copper ion be reduced into copper simple substance be supported in porous wood pulp cellulose after with
Graphite is mixed, and the compressing rear modified fibre that can obtain strengthens earthing material, and the present invention utilizes wood pulp cellulose and graphite preparation
Obtained earthing material, corrosion resistance is strong, and its heat resistance, the excellent performance of flexible and electric conductivity, and is easy to processing, quality
It is controllable, while cost is also reasonably controlled.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
（1）Weigh 150~200g wood pulp celluloses, in mass ratio 1：5 mix wood pulp cellulose with water, sequentially add 3 after mixing~
5g azodicarbonamides and 2~4g Tween-80s, first with 1000~1200r/min rotating speeds stirring 10~15min of mixing, after stirring
60~70 DEG C are heated to, then 8~10h is stirred with 200~400r/min, foamed slurry is formed after stirring, is filtered, filter residue is collected,
Filter residue is placed in steam oven, with 90~95 DEG C of 30~50min of steam treatment, the wood pulp cellulose after steam treatment is collected and puts
In vacuum drying chamber, 12~15h is dried at a temperature of 40~60 DEG C, porous wood pulp cellulose is obtained after drying；
（2）In mass ratio 1:10 are immersed in above-mentioned porous wood pulp cellulose in the salpeter solution of mass fraction 15%, and stirring mixing 50~
Filtered after 60min, obtain and be washed with deionized after filter residue to neutrality, the filter residue after washing is put into baking oven, at 60~80 DEG C
Under conditions of dry 5~7h, obtain dried object, in mass ratio 1:10 add dried object in mixing copper salt solution, stirring mixing 30
The hydrazine hydrate solution of 10~15mL mass fractions 45% is slowly added dropwise after~40min, it is 1~2 drop/min to control rate of addition, is added dropwise
1~2h of stirring mixing, centrifuges to obtain sediment after end after stirring；Described mixing copper salt solution is in mass ratio 1：1：1：
50, copper sulphate, copper chloride and copper nitrate are added in deionized water, stirring is mixed to solid dissolving；
（3）Above-mentioned sediment is put into baking oven, 8~10h is dried at a temperature of 60~70 DEG C, dried sediment is placed in
In tube-type atmosphere furnace, it is warming up under hydrogen atmosphere protection with 2~4 DEG C/min heating rates after 300~400 DEG C, 2~4h of insulation
Room temperature is cooled down, the porous wood pulp cellulose of supported copper is obtained；
（4）In mass ratio 1:3 mix the porous wood pulp cellulose of above-mentioned supported copper and graphite, add in pulverizer and crush after mixing,
200~220 mesh sieves are crossed, mixed-powder is obtained, mixed-powder is placed in mould, the first compacting 5 under 15~20MPa pressure~
10min, then rise pressure is to 40~50MPa, and pressurize is suppressed and is stripped after 10~15min, you can obtains modified fibre enhancing and connects
Ground material.
The application process of the present invention：Vertical ground hole is pierced in the bottom of horizontal grounding ditch, depth is 15~25cm, to hanging down
The modified fibre enhancing earthing material that the present invention is prepared directly is added in hole, lower floor's backfill section uses fine clay friction reducer
Backfilled, upper strata is backfilled section and backfilled using soil, earthing material top and termination are connected and composed into combined type grounded screen, through prison
Survey, the resistivity of modified fibre enhancing ground connection material produced by the present invention is 1.0 × 10-2~1.2 × 10-2Ω m, density is
1.85~2.03g/cm3, compression strength is 8~12MPa, after 5~7 years, and rate of corrosion is 1.2~2.0%.
The present invention is compared with other method, and advantageous effects are：
（1）Modified fibre enhancing earthing material prepared by the present invention has well corrosion-resistant, electric conductivity, flexible；
（2）Modified fibre prepared by the present invention strengthens cheap earthing material, easy transport, accurate height is combined with soil, is applicable
In transformer station, overhead power transmission line pole tower, elevation building etc., all need the engineering field of electrical grounding.
Embodiment
Weigh 150~200g wood pulp celluloses, in mass ratio 1：5 mix wood pulp cellulose with water, sequentially add 3 after mixing~
5g azodicarbonamides and 2~4g Tween-80s, first with 1000~1200r/min rotating speeds stirring 10~15min of mixing, after stirring
60~70 DEG C are heated to, then 8~10h is stirred with 200~400r/min, foamed slurry is formed after stirring, is filtered, filter residue is collected,
Filter residue is placed in steam oven, with 90~95 DEG C of 30~50min of steam treatment, the wood pulp cellulose after steam treatment is collected and puts
In vacuum drying chamber, 12~15h is dried at a temperature of 40~60 DEG C, porous wood pulp cellulose is obtained after drying；In mass ratio 1:10
Above-mentioned porous wood pulp cellulose is immersed in the salpeter solution of mass fraction 15%, is filtered after 50~60min of stirring mixing, obtains filter residue
After be washed with deionized to neutrality, the filter residue after washing is put into baking oven, under conditions of 60~80 DEG C dry 5~7h,
Obtain dried object, in mass ratio 1:10 add dried object in mixing copper salt solution, and 10 are slowly added dropwise after 30~40min of stirring mixing
The hydrazine hydrate solution of~15mL mass fractions 45%, it is 1~2 drop/min to control rate of addition, 1~2h of stirring mixing after completion of dropwise addition,
Sediment is centrifuged to obtain after stirring；Described mixing copper salt solution is in mass ratio 1：1：1：50, by copper sulphate, copper chloride and
Copper nitrate is added in deionized water, and stirring is mixed to solid dissolving；Above-mentioned sediment is put into baking oven, in 60~70 DEG C of temperature
8~10h of lower drying, dried sediment is placed in tube-type atmosphere furnace, with 2~4 DEG C/min liters under hydrogen atmosphere protection
Warm speed cools down room temperature after being warming up to 300~400 DEG C, 2~4h of insulation, obtains the porous wood pulp cellulose of supported copper；In mass ratio 1:3 will
The above-mentioned porous wood pulp cellulose of supported copper and graphite mixing, adds in pulverizer after mixing and crushes, cross 200~220 mesh sieves, must mix
Powder, mixed-powder is placed in mould, first 5~10min of compacting under 15~20MPa pressure, and subsequent rise pressure to 40~
50MPa, pressurize is suppressed and is stripped after 10~15min, you can obtain modified fibre enhancing earthing material.
Example 1
Weigh 150g wood pulp celluloses, in mass ratio 1：5 mix wood pulp cellulose with water, and the formyl of 3g azos two is sequentially added after mixing
Amine and 2g Tween-80s, first with 1000r/min rotating speeds stirring mixing 10min, are heated to 60 DEG C, then stir with 200r/min after stirring
Mix and foamed slurry is formed after 8h, stirring, filter, collect filter residue, filter residue is placed in steam oven, with 90 DEG C of steam treatment
30min, collects the wood pulp cellulose after steam treatment and is placed in vacuum drying chamber, 12h is dried at a temperature of 40 DEG C, after drying much
Hole wood pulp cellulose；In mass ratio 1:10 are immersed in above-mentioned porous wood pulp cellulose in the salpeter solution of mass fraction 15%, stirring mixing
Filtered after 50min, obtain and be washed with deionized after filter residue to neutrality, the filter residue after washing is put into baking oven, in 60 DEG C of bar
5h is dried under part, dried object, in mass ratio 1 is obtained:10 add dried object in mixing copper salt solution, delay after stirring mixing 30min
Slow that the hydrazine hydrate solution of 10mL mass fractions 45% is added dropwise, it is 1 drop/min to control rate of addition, and stirring mixing 1h, is stirred after completion of dropwise addition
Sediment is centrifuged to obtain after mixing；Described mixing copper salt solution is in mass ratio 1：1：1：50, by copper sulphate, copper chloride and nitre
Sour copper is added in deionized water, and stirring is mixed to solid dissolving；Above-mentioned sediment is put into baking oven, dried at a temperature of 60 DEG C
8h, dried sediment is placed in tube-type atmosphere furnace, is warming up under hydrogen atmosphere protection with 2 DEG C/min heating rates
300 DEG C, room temperature is cooled down after being incubated 2h, the porous wood pulp cellulose of supported copper is obtained；In mass ratio 1:3 is fine by the porous wood pulp of above-mentioned supported copper
Peacekeeping graphite is mixed, and is added in pulverizer and is crushed after mixing, crosses 200 mesh sieves, obtain mixed-powder, mixed-powder is placed in into mould
In, 5min first is suppressed under 15MPa pressure, then rise pressure is to 40MPa, and pressurize is suppressed and is stripped after 10min, you can changed
Property fiber reinforcement earthing material.
Vertical ground hole is pierced in the bottom of horizontal grounding ditch, depth is 15cm, the present invention is added into vertical ground hole
The modified fibre enhancing earthing material prepared, lower floor's backfill section is backfilled using fine clay friction reducer, upper strata backfill section
Backfilled using soil, earthing material top and termination are connected and composed into combined type grounded screen, through monitoring, modification produced by the present invention
The resistivity of fiber reinforcement ground connection material is 1.0 × 10-2Ω m, density is 1.85g/cm3, compression strength is 8MPa, is used 5 years
Afterwards, rate of corrosion is 1.2%.
Example 2
Weigh 175g wood pulp celluloses, in mass ratio 1：5 mix wood pulp cellulose with water, and the formyl of 4g azos two is sequentially added after mixing
Amine and 3g Tween-80s, first with 1100r/min rotating speeds stirring mixing 13min, are heated to 65 DEG C, then stir with 300r/min after stirring
Mix and foamed slurry is formed after 9h, stirring, filter, collect filter residue, filter residue is placed in steam oven, with 93 DEG C of steam treatment
40min, collects the wood pulp cellulose after steam treatment and is placed in vacuum drying chamber, 13h is dried at a temperature of 50 DEG C, after drying much
Hole wood pulp cellulose；In mass ratio 1:10 are immersed in above-mentioned porous wood pulp cellulose in the salpeter solution of mass fraction 15%, stirring mixing
Filtered after 55min, obtain and be washed with deionized after filter residue to neutrality, the filter residue after washing is put into baking oven, in 70 DEG C of bar
6h is dried under part, dried object, in mass ratio 1 is obtained:10 add dried object in mixing copper salt solution, delay after stirring mixing 35min
Slow that the hydrazine hydrate solution of 13mL mass fractions 45% is added dropwise, it is 1 drop/min to control rate of addition, and stirring mixing 1h, is stirred after completion of dropwise addition
Sediment is centrifuged to obtain after mixing；Described mixing copper salt solution is in mass ratio 1：1：1：50, by copper sulphate, copper chloride and nitre
Sour copper is added in deionized water, and stirring is mixed to solid dissolving；Above-mentioned sediment is put into baking oven, dried at a temperature of 65 DEG C
9h, dried sediment is placed in tube-type atmosphere furnace, is warming up under hydrogen atmosphere protection with 3 DEG C/min heating rates
350 DEG C, room temperature is cooled down after being incubated 3h, the porous wood pulp cellulose of supported copper is obtained；In mass ratio 1:3 is fine by the porous wood pulp of above-mentioned supported copper
Peacekeeping graphite is mixed, and is added in pulverizer and is crushed after mixing, crosses 210 mesh sieves, obtain mixed-powder, mixed-powder is placed in into mould
In, 8min first is suppressed under 17MPa pressure, then rise pressure is to 45MPa, and pressurize is suppressed and is stripped after 13min, you can changed
Property fiber reinforcement earthing material.
Vertical ground hole is pierced in the bottom of horizontal grounding ditch, depth is 20cm, the present invention is added into vertical ground hole
The modified fibre enhancing earthing material prepared, lower floor's backfill section is backfilled using fine clay friction reducer, upper strata backfill section
Backfilled using soil, earthing material top and termination are connected and composed into combined type grounded screen, through monitoring, modification produced by the present invention
The resistivity of fiber reinforcement ground connection material is 1.1 × 10-2Ω m, density is 1.95g/cm3, compression strength is 10MPa, is used 6 years
Afterwards, rate of corrosion is 1.8%.
Example 3
Weigh 200g wood pulp celluloses, in mass ratio 1：5 mix wood pulp cellulose with water, and the formyl of 5g azos two is sequentially added after mixing
Amine and 4g Tween-80s, first with 1200r/min rotating speeds stirring mixing 15min, are heated to 70 DEG C, then stir with 400r/min after stirring
Mix and foamed slurry is formed after 10h, stirring, filter, collect filter residue, filter residue is placed in steam oven, with 95 DEG C of steam treatment
50min, collects the wood pulp cellulose after steam treatment and is placed in vacuum drying chamber, 15h is dried at a temperature of 60 DEG C, after drying much
Hole wood pulp cellulose；In mass ratio 1:10 are immersed in above-mentioned porous wood pulp cellulose in the salpeter solution of mass fraction 15%, stirring mixing
Filtered after 60min, obtain and be washed with deionized after filter residue to neutrality, the filter residue after washing is put into baking oven, in 80 DEG C of bar
7h is dried under part, dried object, in mass ratio 1 is obtained:10 add dried object in mixing copper salt solution, delay after stirring mixing 40min
Slow that the hydrazine hydrate solution of 15mL mass fractions 45% is added dropwise, it is 2 drops/min to control rate of addition, and stirring mixing 2h, is stirred after completion of dropwise addition
Sediment is centrifuged to obtain after mixing；Described mixing copper salt solution is in mass ratio 1：1：1：50, by copper sulphate, copper chloride and nitre
Sour copper is added in deionized water, and stirring is mixed to solid dissolving；Above-mentioned sediment is put into baking oven, dried at a temperature of 70 DEG C
10h, dried sediment is placed in tube-type atmosphere furnace, is warming up under hydrogen atmosphere protection with 4 DEG C/min heating rates
400 DEG C, room temperature is cooled down after being incubated 4h, the porous wood pulp cellulose of supported copper is obtained；In mass ratio 1:3 is fine by the porous wood pulp of above-mentioned supported copper
Peacekeeping graphite is mixed, and is added in pulverizer and is crushed after mixing, crosses 220 mesh sieves, obtain mixed-powder, mixed-powder is placed in into mould
In, 10min first is suppressed under 20MPa pressure, then rise pressure is to 50MPa, and pressurize is suppressed and is stripped after 15min, you can obtained
Modified fibre strengthens earthing material.
Vertical ground hole is pierced in the bottom of horizontal grounding ditch, depth is 25cm, the present invention is added into vertical ground hole
The modified fibre enhancing earthing material prepared, lower floor's backfill section is backfilled using fine clay friction reducer, upper strata backfill section
Backfilled using soil, earthing material top and termination are connected and composed into combined type grounded screen, through monitoring, modification produced by the present invention
The resistivity of fiber reinforcement ground connection material is 1.2 × 10-2Ω m, density is 2.03g/cm3, compression strength is 12MPa, is used 7 years
Afterwards, rate of corrosion is 2.0%.
Claims (1)
1. a kind of modified fibre strengthens the preparation method of earthing material, it is characterised in that specifically preparation process is：
（1）Weigh 150~200g wood pulp celluloses, in mass ratio 1：5 mix wood pulp cellulose with water, sequentially add 3 after mixing~
5g azodicarbonamides and 2~4g Tween-80s, first with 1000~1200r/min rotating speeds stirring 10~15min of mixing, after stirring
60~70 DEG C are heated to, then 8~10h is stirred with 200~400r/min, foamed slurry is formed after stirring, is filtered, filter residue is collected,
Filter residue is placed in steam oven, with 90~95 DEG C of 30~50min of steam treatment, the wood pulp cellulose after steam treatment is collected and puts
In vacuum drying chamber, 12~15h is dried at a temperature of 40~60 DEG C, porous wood pulp cellulose is obtained after drying；
（2）In mass ratio 1:10 are immersed in above-mentioned porous wood pulp cellulose in the salpeter solution of mass fraction 15%, and stirring mixing 50~
Filtered after 60min, obtain and be washed with deionized after filter residue to neutrality, the filter residue after washing is put into baking oven, at 60~80 DEG C
Under conditions of dry 5~7h, obtain dried object, in mass ratio 1:10 add dried object in mixing copper salt solution, stirring mixing 30
The hydrazine hydrate solution of 10~15mL mass fractions 45% is slowly added dropwise after~40min, it is 1~2 drop/min to control rate of addition, is added dropwise
1~2h of stirring mixing, centrifuges to obtain sediment after end after stirring；Described mixing copper salt solution is in mass ratio 1：1：1：
50, copper sulphate, copper chloride and copper nitrate are added in deionized water, stirring is mixed to solid dissolving；
（3）Above-mentioned sediment is put into baking oven, 8~10h is dried at a temperature of 60~70 DEG C, dried sediment is placed in
In tube-type atmosphere furnace, it is warming up under hydrogen atmosphere protection with 2~4 DEG C/min heating rates after 300~400 DEG C, 2~4h of insulation
Room temperature is cooled down, the porous wood pulp cellulose of supported copper is obtained；
（4）In mass ratio 1:3 mix the porous wood pulp cellulose of above-mentioned supported copper and graphite, add in pulverizer and crush after mixing,
200~220 mesh sieves are crossed, mixed-powder is obtained, mixed-powder is placed in mould, the first compacting 5 under 15~20MPa pressure~
10min, then rise pressure is to 40~50MPa, and pressurize is suppressed and is stripped after 10~15min, you can obtains modified fibre enhancing and connects
Ground material.
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| CN201710100725.1A CN107017477A (en) | 2017-02-23 | 2017-02-23 | A kind of modified fibre strengthens the preparation method of earthing material |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1225603A (en) * | 1996-05-15 | 1999-08-11 | 海珀里昂催化国际有限公司 | Rigid porous carbon structure, method of making, method of using and products contg. same |
| CN104226292A (en) * | 2014-09-18 | 2014-12-24 | 中国科学院合肥物质科学研究院 | Multi-level structure material adopting graphitized-carbon coated nanometer-sized metal particles and preparation method of multi-level structure material |
| CN104230212A (en) * | 2014-09-06 | 2014-12-24 | 丹阳丹金汽车部件有限公司 | Conductive carbon fiber-enhanced quartz ceramic matrix composite material and preparation method thereof |
| US9181134B1 (en) * | 2011-04-27 | 2015-11-10 | Israzion Ltd. | Process of converting textile solid waste into graphite simple or complex shaped manufacture |
-
2017
- 2017-02-23 CN CN201710100725.1A patent/CN107017477A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1225603A (en) * | 1996-05-15 | 1999-08-11 | 海珀里昂催化国际有限公司 | Rigid porous carbon structure, method of making, method of using and products contg. same |
| US9181134B1 (en) * | 2011-04-27 | 2015-11-10 | Israzion Ltd. | Process of converting textile solid waste into graphite simple or complex shaped manufacture |
| CN104230212A (en) * | 2014-09-06 | 2014-12-24 | 丹阳丹金汽车部件有限公司 | Conductive carbon fiber-enhanced quartz ceramic matrix composite material and preparation method thereof |
| CN104226292A (en) * | 2014-09-18 | 2014-12-24 | 中国科学院合肥物质科学研究院 | Multi-level structure material adopting graphitized-carbon coated nanometer-sized metal particles and preparation method of multi-level structure material |
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Application publication date: 20170804 |
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