WO2013066064A1 - Elément chauffant de carbone et son procédé de fabrication - Google Patents
Elément chauffant de carbone et son procédé de fabrication Download PDFInfo
- Publication number
- WO2013066064A1 WO2013066064A1 PCT/KR2012/009106 KR2012009106W WO2013066064A1 WO 2013066064 A1 WO2013066064 A1 WO 2013066064A1 KR 2012009106 W KR2012009106 W KR 2012009106W WO 2013066064 A1 WO2013066064 A1 WO 2013066064A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- main shaft
- heating element
- carbon
- polymer
- focusing body
- Prior art date
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 51
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 36
- 238000010438 heat treatment Methods 0.000 claims abstract description 48
- 229920000642 polymer Polymers 0.000 claims abstract description 37
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 28
- 239000004917 carbon fiber Substances 0.000 claims abstract description 28
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000001035 drying Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims description 35
- 239000007789 gas Substances 0.000 claims description 21
- 238000010304 firing Methods 0.000 claims description 15
- 239000004215 Carbon black (E152) Substances 0.000 claims description 14
- 229930195733 hydrocarbon Natural products 0.000 claims description 14
- 150000002430 hydrocarbons Chemical class 0.000 claims description 14
- 239000011261 inert gas Substances 0.000 claims description 12
- 238000004804 winding Methods 0.000 claims description 5
- 238000010000 carbonizing Methods 0.000 claims description 4
- 230000007613 environmental effect Effects 0.000 claims description 4
- 238000007654 immersion Methods 0.000 abstract description 6
- 239000011247 coating layer Substances 0.000 abstract description 2
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 238000005137 deposition process Methods 0.000 abstract 1
- 238000005245 sintering Methods 0.000 abstract 1
- 230000008569 process Effects 0.000 description 29
- 239000010410 layer Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000003779 heat-resistant material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N monobenzene Natural products C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 2
- 229920002239 polyacrylonitrile Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- -1 benzene compound Chemical class 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910000623 nickel–chromium alloy Inorganic materials 0.000 description 1
- 238000000643 oven drying Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920005594 polymer fiber Polymers 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
- H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
- H05B3/145—Carbon only, e.g. carbon black, graphite
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
- H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
- H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/20—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater
- H05B3/34—Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
Definitions
- the present invention relates to a carbon heating element and a method for manufacturing the same, and more particularly to a carbon heating element and a method for manufacturing the carbon heating element used in the heating element of the electric heater and carbon fiber yarn forming process of the carbon heating element production in large quantities It is about.
- carbon is not available as a heating element because it is known as a conductor having a low electrical resistance, but recently, it has a high level of resistance when carbonized with natural fibers to form carbon fibers with micro bubbles. It turned out to be used as a heating element.
- the carbon heating element has been limited in the manufacture of the carbon heating element because it is intended to increase the radiant heat efficiency by simply adjusting the length or changing the thickness within the limited power consumption by using the resistivity of carbon.
- the present invention provides a method for producing a carbon heating element and a carbon heating element for the stable production of the carbon heating element in the process of mass production, including the improvement of moldability, the improvement of production yield, the simplification of the manufacturing process and the reduction of manufacturing cost.
- Carbon heating element manufacturing method for achieving the above object, the step of fixing the carbon fiber yarn twisted or woven body of the carbon fiber yarn to have a certain type of shape based on the main axis and ; Immersing the focusing body including the main shaft in a polymer; A plasticity step of removing the polymer from the polymer and heating the concentrator including the main shaft in a high pressure furnace of a reduced pressure atmosphere or an inert atmosphere; Separating the focusing body that has undergone the plasticization step from the main shaft; And carbonizing the separated focus body in a high-temperature furnace having any one of an environmental condition selected from a predetermined reduced pressure atmosphere, a hydrocarbon gas atmosphere, an inert gas atmosphere, and a mixed gas atmosphere of an inert gas and a hydrocarbon gas. Characterized in that performed.
- the fixing of the focusing body on the surface of the main shaft, the carbon fiber yarn 3 to 24 patterns arranged in one direction, twisting or weaving the focusing body immersed in the polymer at least 1 Characterized in that it is made after performing more than once.
- the plasticity temperature of the high temperature furnace of the plasticity step is to be made in the range of 400 ⁇ 900 °C
- the firing temperature of the high temperature furnace of the main firing step is preferably to be made in the range of 1000 ⁇ 2500 °C.
- the carbon heating element according to the invention is characterized in that it is produced by the method for producing the carbon heating element.
- a carbon heating element from the converging body made of carbon fiber yarns to manufacturing the carbon heating element, not only extends the service life of the manufacturing parts including the main shaft, but also the advantages of simplifying the manufacturing process and reducing the time and accordingly It has the effect of reducing the manufacturing cost, and the improvement of formability through the plasticity step makes the pitch interval of the carbon heating element uniform by the deformation of the main shaft, and thus the heating distribution is uniform.
- a uniform and stable carbon film layer has the advantage of improving the stabilization and manufacturing yield of the product.
- FIG. 1 is a flowchart illustrating a process of manufacturing a carbon heating element according to an embodiment of the present invention.
- FIG. 2 is a flowchart illustrating a process of manufacturing a carbon heating element according to another embodiment of the present invention.
- the detailed description of the present invention relates to the raw material properties of PAN (polyacrylonitrile) -based carbon fiber yarn, pitch-based carbon fiber yarn and viscose-based carbon fiber yarn and the processing characteristics up to forming into a converging body such as twisting or weaving. The description will be made based on what is formed as a focusing body without.
- PAN polyacrylonitrile
- the invention of manufacturing a carbon heating element according to the present invention includes a pretreatment process before forming into a focusing body including material properties of each series of carbon fiber yarns as raw materials of the carbon heating element or processing characteristics up to formation of the focusing body.
- twisted carbon fiber yarns or woven body of a carbon fiber yarn woven form based on the main shaft Fixing to have a step (ST100), the step of immersing the focusing body including the main shaft in the polymer (ST110), the focusing body including the main shaft undergoing the drying process (ST120) taken out of the polymer to a high-temperature atmosphere of a reduced pressure or inert atmosphere
- the plasticizing step (ST130) for heating in the step, the step of separating the focusing body undergoing the plasticizing step from the main shaft (ST140) and the separated focusing body a predetermined reduced pressure atmosphere, hydrocarbon gas atmosphere, mixed gas atmosphere of inert gas and hydrocarbon gas
- the process including the main firing step (ST150) to be carbonized in a high temperature furnace having any one environment selected from among .
- the main shaft is selected from those of heat-resistant materials such as quartz, silica, ceramics, graphite, etc., which have a smooth surface and can withstand shape deformation at temperatures of about 900 ° C. or higher, and use round or tubular ones.
- heat-resistant materials such as quartz, silica, ceramics, graphite, etc.
- the fixing of the focusing body made of carbon fiber yarns with respect to the main shaft is wound in a spiral shape along the longitudinal surface of the main shaft when the focusing body has a straight shape having a predetermined width and thickness or a string having a predetermined thickness. Both ends of the sieve may be fixed to maintain the shape and position of the focusing body with a clip or the like provided at both ends of the main shaft.
- the focusing body when it has a cylindrical shape, it may be inserted into the tubular main shaft so as to be fixed by a conventional method using a jig or the like so that the shape and position of the focusing body do not change.
- the shape of the focusing body based on the main axis is independent of the shape of the focusing body unless the external physical force is applied even when the main shaft is separated and then put into the main firing process after the plasticity process in the next step. It is intended to have tolerance that can be maintained within. In addition, this resistance allows the shape to be maintained within a certain range even after the firing process.
- the focusing body fixed to the main shaft to have a certain form and shape is polymerized on the surface of each carbon fiber yarn constituting the focusing body by immersing the main shaft with a polymer containing a large amount of carbon such as a phenol solution and a benzene compound. Is to be applied.
- the drying process for this may be made by natural drying at room temperature, or may be made through a rapid drying process in an oven having a temperature condition of less than 350 °C.
- the drying temperature of the polymer with respect to the focusing body is limited to less than 350 ° C, which is a reason for preventing the problem of oxidizing even the polymer and carbon fiber yarn.
- the application of polymers to such a concentrator increases the distribution of carbon due to the thermal decomposition of the polymer in contact with or adjacent to each surface of carbon fiber yarns due to the high temperature atmosphere of the firing process, thereby increasing the possibility of vapor deposition of carbon molecules. It is for forming a carbon film layer.
- the effect of the carbon heating element can be obtained by repeating the above-described series of steps 1-5 times, followed by the immersion process and the drying process. .
- the focusing body after the immersion and drying process of the polymer is put into a high-temperature furnace of a predetermined pressure-reducing atmosphere or an inert atmosphere in a state fixed to the main shaft to perform a plasticity process.
- the above-described plasticity process is carried out in the temperature range of 400 ⁇ 900 °C, this temperature range is for fixing the shape of the focusing body wound in the spiral shape on the main axis of the polymer in a state that the polymer is almost no pyrolysis.
- plasticity in the temperature range of 400 to 900 ° C is the shape of the focusing body wound around the main shaft compared to the case of drying the polymer in the natural state of the prior art and the example of oven drying below 350 ° C in an air atmosphere such as air Hardening more stably has the effect of reducing the moldability defect rate.
- the polymer is thermally decomposed, and when the separation from the main shaft occurs, the spiral shape of the main body as well as the main body wound around the main shaft is not stable and loosened. .
- the temperature range of the above-described plasticity process is lower than the first heat treatment temperature of the prior art, and it is not difficult to select a heat-resistant spindle material without shape deformation or physical property change such as bending or twisting in this temperature range. It can be adopted as the main spindle of the main shaft, and even if a high level of heat-resistant material is selected, it can be expected to extend the service life of the main shaft.
- the focusing body undergoes a plasticity process has the ability to maintain the shape based on the main axis along with the ability to maintain the shape as the polymer is dried.
- the focusing body is separated from the cooled spindle, and the separated focusing body is any one selected from a predetermined pressure reducing atmosphere, a hydrocarbon gas atmosphere, an inert gas atmosphere, and a mixed gas atmosphere of an inert gas and a hydrocarbon gas.
- the firing process is carried out by putting in a high temperature furnace having an environment of.
- the temperature of the firing process described above is in the range of 1,000 to 2,500 ° C., and this temperature range not only carbonizes the carbon fiber yarns constituting the concentrator, but also thermally decomposes the polymer coated on these surfaces, causing impurities to evaporate, Carbon molecules induce vapor deposition on the surface of each carbon fiber yarn of the focusing body to form a carbon film layer.
- the focusing body that has undergone the above process is made of a carbon heating element having a carbon coating layer, and then connecting the terminals of the carbon heating element to the both ends of the carbon heating element and putting the inside of the quartz tube.
- the carbon heater is completed by sealing after treating with a predetermined vacuum pressure.
- the carbon heating element manufacturing method through the immersion process (ST200) and drying process (ST210) for the polymer, the main body made of carbon fiber yarns Winding in a spiral shape (ST220), a plasticizing step (ST230) for heating the focusing body including the main shaft in a high-temperature furnace in a reduced pressure atmosphere or an inert atmosphere, and separating the focusing body undergoing the plasticizing step from the main shaft ( ST240) and the separated firing body is carbonized in a high temperature furnace having any one selected from a predetermined reduced pressure atmosphere, a hydrocarbon gas atmosphere, a mixed gas atmosphere of an inert gas and a hydrocarbon gas (ST250) This is done sequentially.
- a feature of another embodiment which is distinguished from one embodiment of the present invention is that the process of fixing the focusing body based on the main shaft is performed after immersing the focusing body in a polymer and then drying to a certain level. have.
- the process of immersing the above-described polymer and drying to a certain level is not at the limiting condition that proceeds after fixing to the main shaft, but at the same time in the process before cutting the length of the focusing body to the desired length. It has the advantage that it can be implemented in turn.
- the process of immersing the polymer in the focusing body is supplied continuously through an automated facility, and the process of immersing the polymer just before the focusing body is wound around the main shaft during the winding on the main shaft, and drying the polymer after winding up the main shaft after immersion. It is not necessary to make enough.
Landscapes
- Inorganic Fibers (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
La présente invention porte sur un élément chauffant de carbone, lequel élément chauffant est utilisé comme élément chauffant d'un élément chauffant électrique, et sur son procédé de fabrication, qui permettent la production en masse d'un fil de fibre de carbone. Par la réalisation d'une immersion de polymère et d'un séchage une pluralité de fois, la forme d'un corps de faisceau séparé vis-à-vis d'un arbre principal peut être maintenue de façon stable même quand une température de pré-frittage est abaissée, et une couche de revêtement en carbone d'une épaisseur stable et uniforme est formée à l'aide d'un processus de dépôt de polymère, de telle sorte qu'une stabilisation de produit et un rendement de fabrication sont améliorés.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020110113983A KR101125480B1 (ko) | 2011-11-03 | 2011-11-03 | 탄소발열체 및 그 제조방법 |
| KR10-2011-0113983 | 2011-11-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2013066064A1 true WO2013066064A1 (fr) | 2013-05-10 |
Family
ID=46142092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2012/009106 WO2013066064A1 (fr) | 2011-11-03 | 2012-11-01 | Elément chauffant de carbone et son procédé de fabrication |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR101125480B1 (fr) |
| WO (1) | WO2013066064A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015084071A1 (fr) * | 2013-12-06 | 2015-06-11 | 김민휘 | Corps chauffant en fibre de carbone étanche à l'eau et procédé pour fabriquer ce dernier |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101479645B1 (ko) * | 2012-04-27 | 2015-01-07 | 주식회사 모닝아트 | 탄소 발열체 및 그 제조방법 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100686327B1 (ko) * | 2005-08-18 | 2007-02-22 | (주)지스코 | 카본사램프 히터 및 이를 위한 탄소끈관 제조방법 |
| KR100793973B1 (ko) * | 2006-06-08 | 2008-01-16 | 쵸이 알렉산드르 | 나노결정 구조의 탄소층으로 코팅된 나선형 탄소의 제조 방법 및 나선형 탄소를 포함하는 적외선 발생기 |
| KR100909881B1 (ko) * | 2008-07-17 | 2009-07-30 | 제이씨텍(주) | 탄소발열체 및 그 제조 방법 |
| KR20090122779A (ko) * | 2008-05-26 | 2009-12-01 | 제이씨텍(주) | 나노구조의 탄소 발열체 및 그 제조방법 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100639790B1 (ko) * | 2005-01-07 | 2006-10-31 | 요업기술원 | 비저항이 조절된 저온 발열 탄소재의 제조 방법 |
-
2011
- 2011-11-03 KR KR1020110113983A patent/KR101125480B1/ko active IP Right Grant
-
2012
- 2012-11-01 WO PCT/KR2012/009106 patent/WO2013066064A1/fr active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100686327B1 (ko) * | 2005-08-18 | 2007-02-22 | (주)지스코 | 카본사램프 히터 및 이를 위한 탄소끈관 제조방법 |
| KR100793973B1 (ko) * | 2006-06-08 | 2008-01-16 | 쵸이 알렉산드르 | 나노결정 구조의 탄소층으로 코팅된 나선형 탄소의 제조 방법 및 나선형 탄소를 포함하는 적외선 발생기 |
| KR20090122779A (ko) * | 2008-05-26 | 2009-12-01 | 제이씨텍(주) | 나노구조의 탄소 발열체 및 그 제조방법 |
| KR100909881B1 (ko) * | 2008-07-17 | 2009-07-30 | 제이씨텍(주) | 탄소발열체 및 그 제조 방법 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015084071A1 (fr) * | 2013-12-06 | 2015-06-11 | 김민휘 | Corps chauffant en fibre de carbone étanche à l'eau et procédé pour fabriquer ce dernier |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101125480B1 (ko) | 2012-03-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5324472B2 (ja) | 耐炎化繊維と炭素繊維の製造方法 | |
| KR101943784B1 (ko) | 탄소 섬유의 제조 방법 | |
| WO2010008216A2 (fr) | Élément chauffant en carbone et son procédé de production | |
| CN111910291A (zh) | 一种pan基碳纤维及其制备方法与由其制成的碳纤维 | |
| JP4392432B2 (ja) | 炭素化布帛の製造方法 | |
| WO2013066064A1 (fr) | Elément chauffant de carbone et son procédé de fabrication | |
| JP2001332373A (ja) | カーボンワイヤー発熱体封入ヒータ | |
| JP2010242249A (ja) | 高強度炭素繊維用耐炎化繊維及びその製造方法 | |
| JPS6238444B2 (fr) | ||
| JP4392433B2 (ja) | 炭素化布帛の製造方法 | |
| JP4392434B2 (ja) | 炭素化布帛の製造方法 | |
| CN210657241U (zh) | 一种碳纤维生产用热稳定化装置 | |
| RU2705971C1 (ru) | Способ получения углеродных графитированных волокнистых материалов | |
| KR101065185B1 (ko) | 원통형 탄소발열체 제조방법 | |
| KR20200125211A (ko) | 탄소섬유 전구체의 제조방법 | |
| JP4392435B2 (ja) | 炭素化布帛の製造方法 | |
| JPS5930914A (ja) | 炭素繊維の製造方法 | |
| RU2741012C1 (ru) | Способ получения углеродного волокна и материалов на его основе | |
| CN102704227A (zh) | 聚丙烯腈基碳布的制备方法 | |
| CN103024953A (zh) | 一种绝缘耐高温电热丝及制备方法 | |
| KR100983972B1 (ko) | 탄소발열체 및 그 제조방법 | |
| KR20030047072A (ko) | 레이온계 탄소섬유 및 그의 제조방법 | |
| JP5612330B2 (ja) | セラミックス繊維の製造方法およびその方法により得られるセラミックス繊維 | |
| CN116876203A (zh) | 一种碳纤维及其制备方法、复合材料 | |
| JPS58214535A (ja) | アクリル系炭素繊維の製造法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 12846571 Country of ref document: EP Kind code of ref document: A1 |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 12846571 Country of ref document: EP Kind code of ref document: A1 |