CN110195272A - A kind of method that Mesophase Pitch Fiberss oil - Google Patents
A kind of method that Mesophase Pitch Fiberss oil Download PDFInfo
- Publication number
- CN110195272A CN110195272A CN201910422056.9A CN201910422056A CN110195272A CN 110195272 A CN110195272 A CN 110195272A CN 201910422056 A CN201910422056 A CN 201910422056A CN 110195272 A CN110195272 A CN 110195272A
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- Prior art keywords
- pitch
- oil
- mesophase pitch
- fiberss
- graphite
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- 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.)
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- 239000011302 mesophase pitch Substances 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000003921 oil Substances 0.000 claims abstract description 53
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 43
- 239000004917 carbon fiber Substances 0.000 claims abstract description 43
- 239000011295 pitch Substances 0.000 claims abstract description 37
- 239000000843 powder Substances 0.000 claims abstract description 36
- 230000003647 oxidation Effects 0.000 claims abstract description 20
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 20
- 239000000835 fiber Substances 0.000 claims abstract description 17
- ICLYJLBTOGPLMC-KVVVOXFISA-N (z)-octadec-9-enoate;tris(2-hydroxyethyl)azanium Chemical compound OCCN(CCO)CCO.CCCCCCCC\C=C/CCCCCCCC(O)=O ICLYJLBTOGPLMC-KVVVOXFISA-N 0.000 claims abstract description 15
- 229940117013 triethanolamine oleate Drugs 0.000 claims abstract description 15
- 239000007864 aqueous solution Substances 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 40
- 239000010439 graphite Substances 0.000 claims description 37
- 229910002804 graphite Inorganic materials 0.000 claims description 37
- 239000000243 solution Substances 0.000 claims description 15
- 239000000084 colloidal system Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 6
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 5
- 239000000908 ammonium hydroxide Substances 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 239000011859 microparticle Substances 0.000 claims description 5
- 238000003801 milling Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 230000001590 oxidative effect Effects 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims 1
- 230000016507 interphase Effects 0.000 claims 1
- 238000003763 carbonization Methods 0.000 abstract description 6
- 239000000654 additive Substances 0.000 description 8
- 230000000996 additive effect Effects 0.000 description 8
- 238000009987 spinning Methods 0.000 description 6
- 239000008367 deionised water Substances 0.000 description 4
- 229910021641 deionized water Inorganic materials 0.000 description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 1
- 239000005642 Oleic acid Substances 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 230000007786 learning performance Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 150000004756 silanes Chemical class 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F11/00—Chemical after-treatment of artificial filaments or the like during manufacture
- D01F11/10—Chemical after-treatment of artificial filaments or the like during manufacture of carbon
- D01F11/12—Chemical after-treatment of artificial filaments or the like during manufacture of carbon with inorganic substances ; Intercalation
- D01F11/125—Carbon
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F11/00—Chemical after-treatment of artificial filaments or the like during manufacture
- D01F11/10—Chemical after-treatment of artificial filaments or the like during manufacture of carbon
- D01F11/14—Chemical after-treatment of artificial filaments or the like during manufacture of carbon with organic compounds, e.g. macromolecular compounds
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
- D01F9/12—Carbon filaments; Apparatus specially adapted for the manufacture thereof
- D01F9/14—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments
- D01F9/145—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from pitch or distillation residues
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Fibers (AREA)
- Working-Up Tar And Pitch (AREA)
Abstract
The present invention relates to a kind of methods that Mesophase Pitch Fiberss oil, point twice oil, and first of contact length that oils is 5-20mm, oil as pitch fibers moistened surface modifying agent for first, aqueous solution is configured using triethanolamine oleate, the mass concentration of triethanolamine oleate is 0.5-2wt%;Second is the aqueous colloidal of the mesophase pitch-based carbon fibers superfine powder of mass concentration 1-5wt%, is prepared using mesophase pitch-based carbon fibers sheet as raw material, the contact length that second oils is 2-10cm.The present invention is after twice oil, the convergence of Mesophase Pitch Fiberss beam is good, can be fully oxidized in subsequent oxidation process, and residual quantity is more after the low-temperature carbonization of 400-600oC, prepared mesophase pitch-based carbon fibers low temperature silk can be collected continuously, and lousiness is less.
Description
Technical field
The present invention relates to a kind of production method of Mesophase Pitch Fiberss suitable for mesophase pitch-based carbon fibers spinning,
Oil formula and method especially in Mesophase Pitch Fiberss second level.
Background technique
Mesophase pitch-based carbon fibers have high thermal conductivity, high-modulus, low thermal coefficient of expansion and high-strength light etc. a series of
Advantage is widely used on space flight and aviation, high-end manufacturing industry and strategic arms.The preparation of mesophase pitch-based carbon fibers is logical
It often needs by processes such as mesophase pitch modulation, spinning, oxidation and charing black leads, mesophase pitch silk is usual before winding
It needs to add finish and carries out boundling processing, but finish remaining quantity is less after low-temperature carbonization, causes to collect after low-temperature carbonization low
Warm silk convergence is poor, seriously affects subsequent high temperature charing and graphited processing performance;Although can by modified silane finish
To improve the residue of carbon fiber surface after low-temperature carbonization, but siliceous residue can not in the heat treatment of subsequent higher temperature
Cause the damage of carbon fiber surface structure with avoiding, the final surface property for influencing mesophase pitch-based carbon fibers.
Summary of the invention
The object of the present invention is to provide the method that mesophase pitch-based carbon fibers point twice oil, first is pitch fibers
Moistened surface is modified finish, and second is the aqueous colloidal of mesophase pitch-based carbon fibers superfine powder, after twice oil,
The convergence of Mesophase Pitch Fiberss beam is good, can be fully oxidized in subsequent oxidation process, by the low temperature of 400-600oC
Residual quantity is more after charing, and prepared mesophase pitch-based carbon fibers low temperature silk can be collected continuously, and lousiness is less.
It carries out twice for the mesophase pitch-based carbon fibers of spinning to oil, first modified for pitch fibers moistened surface
Finish, second are the aqueous colloidal of mesophase pitch-based carbon fibers superfine powder.It oils for first as pitch fibers surface profit
Wet modifying agent is that aqueous solution is configured using triethanolamine oleate, and the mass concentration of triethanolamine oleate is 0.5-2wt%, the
The contact length that oils together is 5-20mm.Second is the aqueous colloidal of mesophase pitch-based carbon fibers superfine powder, in utilization
Between asphalt phase base carbon fibre sheet as raw material prepare, oil at first immediately carry out second oil, what second oiled
Contact length is 2-10cm, is wound on winder after oiling.The water solubility of second mesophase pitch-based carbon fibers superfine powder
Colloid preparation process is as follows:
Firstly, mesophase pitch-based carbon fibers Mechanical Crushing at progress 2600-3000oC graphite after the short silk that length is 2-5mm
Change, obtains the short silk of intermediate phase pitch-based graphite, then continue to be broken for 3-10 μm of intermediate phase pitch-based graphite using airflow milling
Fine powder.To mesophase pitch base graphite fine powder carry out oxidation processes, oxidizing atmosphere be vapor, air, oxygen and they
Mixture, the temperature of oxidation is 500-800oC.Progress ultrasonic wave is broken after intermediate phase pitch-based graphite fine powder carries out oxidation processes
It is broken, 0.1-5 μm of ultra-fine intermediate phase pitch-based graphite microparticles are then filtered out according to grain size grading, and deionized water is then added,
Enuatrol configures solution, and ammonium hydroxide is added and adjusts solution pH value 9-11, the additive amount of enuatrol is 0.1-5wt%, graphite colloids
Additive amount is 1-5wt%, and stirring rate is that 2000-5000 turns/min, and solution bath temperature is 30-70oC, obtains mesophase pitch
The aqueous colloidal of base carbon fibre superfine powder.
The present invention is improved the surface wettability of Mesophase Pitch Fiberss first, is then utilized by twice oiling process
Own material raw material configures the aqueous colloidal of mesophase pitch-based carbon fibers superfine powder, carries out second and oils.The present invention adopts
On the one hand the method that oils can optimize the collection after convergence, oxidation technology and the low-temperature carbonization of Mesophase Pitch Fiberss
On the other hand Shu Xing avoids carbon fiber power caused by the residual of non-carbon element in subsequent high temperature carbonization and graphitizing process
The damage for learning performance has positive effect to the industrialization preparation for pushing high-performance mesophase pitch-based carbon fibers.
Specific embodiment
Below with reference to specific example, the present invention will be further described.
Embodiment 1 carries out twice for the mesophase pitch-based carbon fibers of spinning and oils, and first is pitch fibers surface
Modified finish is soaked, second is the aqueous colloidal of mesophase pitch-based carbon fibers superfine powder.It oils for first as pitch fibre
Dimension table face wettability improvers configure aqueous solution, mass concentration 0.5wt%, first of contact that oils using triethanolamine oleate
Length is 5.Second is the aqueous colloidal of mesophase pitch-based carbon fibers superfine powder, utilizes mesophase pitch-based carbon fibers sheet
It is prepared as raw material.Firstly, carrying out 2600oC graphite after the short silk for being 2 at length mesophase pitch-based carbon fibers Mechanical Crushing
Change, obtains the short silk of intermediate phase pitch-based graphite, then continue to be broken for 3 μm of partial size of intermediate phase pitch-based graphite using airflow milling
Fine powder.To above-mentioned mesophase pitch base graphite fine powder carry out oxidation processes, oxidizing atmosphere be vapor, air, oxygen and
Their mixture, the temperature of oxidation are 500oC.Progress ultrasonic wave is broken after intermediate phase pitch-based graphite fine powder carries out oxidation processes
It is broken, 0.1 μm of ultra-fine intermediate phase pitch-based graphite microparticles are then filtered out according to grain size grading, and deionized water is then added, oil
Sour sodium configures solution, and ammonium hydroxide is added and adjusts solution ph 9, the additive amount of enuatrol is 0.1wt%, and the additive amount of graphite colloids is
1wt%, stirring rate are 2000 turns/min, and solution bath temperature is 30oC, obtain the water of mesophase pitch-based carbon fibers superfine powder
Dissolubility colloid.Oil at first immediately carry out second oil, the contact length that second oils be 2cm, after oiling
It is wound on winder.
Embodiment 2 carries out twice for the mesophase pitch-based carbon fibers of spinning and oils, and first is pitch fibers surface
Modified finish is soaked, second is the aqueous colloidal of mesophase pitch-based carbon fibers superfine powder.It oils for first as pitch fibre
Dimension table face wettability improvers configure aqueous solution, concentration 1.5% using triethanolamine oleate, and first of contact length that oils is
10mm.Second is the aqueous colloidal of mesophase pitch-based carbon fibers superfine powder, utilizes mesophase pitch-based carbon fibers itself
For raw material preparation.Firstly, mesophase pitch-based carbon fibers Mechanical Crushing at progress 2800oC graphite after the short silk that length is 3mm
Change, obtains the short silk of intermediate phase pitch-based graphite, then continue to be broken for 6 μm of partial size of intermediate phase pitch-based graphite using airflow milling
Fine powder.To above-mentioned mesophase pitch base graphite fine powder carry out oxidation processes, oxidizing atmosphere be vapor, air, oxygen and
Their mixture, the temperature of oxidation are 600oC.Progress ultrasonic wave is broken after intermediate phase pitch-based graphite fine powder carries out oxidation processes
It is broken, 2 μm of ultra-fine intermediate phase pitch-based graphite microparticles are then filtered out according to grain size grading, and deionized water, oleic acid is then added
Sodium configures solution, and ammonium hydroxide is added and adjusts solution pH value 10, the additive amount of enuatrol is 2wt%, and the additive amount of graphite colloids is
3wt%, stirring rate are 3500 turns/min, and solution bath temperature is 50oC, obtain the water of mesophase pitch-based carbon fibers superfine powder
Dissolubility colloid.Oil at first immediately carry out second oil, the contact length that second oils be 6cm, after oiling
It is wound on winder.
Embodiment 3 carries out twice for the mesophase pitch-based carbon fibers of spinning and oils, and first is pitch fibers surface
Modified finish is soaked, second is the aqueous colloidal of mesophase pitch-based carbon fibers superfine powder.It oils for first as pitch fibre
Dimension table face wettability improvers configure aqueous solution, concentration 2% using triethanolamine oleate, and first of contact length that oils is
20mm.Second is the aqueous colloidal of mesophase pitch-based carbon fibers superfine powder, utilizes mesophase pitch-based carbon fibers itself
For raw material preparation.Firstly, mesophase pitch-based carbon fibers Mechanical Crushing at progress 3000oC graphite after the short silk that length is 5mm
Change, obtains the short silk of intermediate phase pitch-based graphite, then continue to be broken for 10 μm of partial size of mesophase pitch foundation stone using airflow milling
Black fine powder.To above-mentioned mesophase pitch base graphite fine powder carry out oxidation processes, oxidizing atmosphere be vapor, air, oxygen with
And their mixture, the temperature of oxidation are 800oC.Intermediate phase pitch-based graphite fine powder carries out ultrasonic wave after carrying out oxidation processes
It is broken, 5 μm of ultra-fine intermediate phase pitch-based graphite microparticles are then filtered out according to grain size grading, and deionized water is then added, oil
Sour sodium configures solution, and ammonium hydroxide is added and adjusts solution pH value 11, the additive amount of enuatrol is 5wt%, and the additive amount of graphite colloids is
5wt%, stirring rate are 5000 turns/min, and solution bath temperature is 70oC, obtain the water of mesophase pitch-based carbon fibers superfine powder
Dissolubility colloid.Oil at first immediately carry out second oil, the contact length that second oils be 10cm, after oiling
It is wound on winder.
Claims (9)
1. a kind of method that Mesophase Pitch Fiberss oil, it is characterised in that: a point twice oil, and first is pitch fibers surface
Modified finish is soaked, first of contact length that oils is 5-20mm;Second is the water of mesophase pitch-based carbon fibers superfine powder
Dissolubility colloid;First of oil is pitch fibers moistened surface modifying agent, is prepared using triethanolamine oleate configuration aqueous solution
It forms, the mass concentration of triethanolamine oleate is 0.5-2wt%;Second is the intermediate phase pitch-based of mass concentration 1-5wt%
The aqueous colloidal of carbon fiber superfine powder is prepared using mesophase pitch-based carbon fibers sheet as raw material, and preparation process is as follows:
Firstly, mesophase pitch-based carbon fibers Mechanical Crushing at progress 2600-3000oC graphite after the short silk that length is 2-5mm
Change, obtains the short silk of intermediate phase pitch-based graphite, then continue to be broken for 3-10 μm of intermediate phase pitch-based graphite using airflow milling
Fine powder carries out oxidation processes to mesophase pitch base graphite fine powder, and it is laggard that intermediate phase pitch-based graphite fine powder carries out oxidation processes
Row ultrasonic disruption, then filters out 0.1-5 μm of ultra-fine intermediate phase pitch-based graphite microparticles according to grain size grading, addition go from
Sub- water, enuatrol configure solution, and ammonium hydroxide is added and adjusts solution ph 9-11, and the mass percentage concentration of enuatrol is 0.1-5wt%,
The mass percentage concentration of graphite colloids is 1-5wt%, and stirring rate is that 2000-5000 turns/min, and solution bath temperature is 30-70o
C obtains the aqueous colloidal of mesophase pitch-based carbon fibers superfine powder, and second is carried out after oiling at first and is oiled, and second
The contact length that road oils is 2-10cm, is wound on winder after oiling.
2. the method that a kind of Mesophase Pitch Fiberss according to claim 1 oil, it is characterised in that: oil for first for
Pitch fibers moistened surface modifying agent configures aqueous solution, the mass concentration of triethanolamine oleate using triethanolamine oleate
For 0.8-2wt%.
3. the method that a kind of Mesophase Pitch Fiberss according to claim 1 oil, it is characterised in that: oil for first for
Pitch fibers moistened surface modifying agent configures aqueous solution, the mass concentration of triethanolamine oleate using triethanolamine oleate
For 0.8-2wt%.
4. the method that a kind of Mesophase Pitch Fiberss according to claim 1 or 2 oil, it is characterised in that: on first
Oil is pitch fibers moistened surface modifying agent, configures aqueous solution, the quality of triethanolamine oleate using triethanolamine oleate
Concentration is 1.0-2wt%.
5. the method that a kind of Mesophase Pitch Fiberss according to claim 1 oil, it is characterised in that: the quality of enuatrol
Percentage concentration is 0.2-5wt%.
6. the method that a kind of Mesophase Pitch Fiberss according to claim 1 oil, it is characterised in that: the matter of graphite colloids
Amount percentage concentration is 1-5wt%.
7. the method that a kind of Mesophase Pitch Fiberss according to claim 1 oil, it is characterised in that: what second oiled
Contact length is 3-10cm.
8. the method that a kind of Mesophase Pitch Fiberss according to claim 1 oil, it is characterised in that: described to interphase
Pitch based graphite fine powder carries out oxidation processes, and oxidizing atmosphere is vapor, air, oxygen or their mixture, oxidation
Temperature be 600-800oC.
9. the method that a kind of Mesophase Pitch Fiberss according to claim 1 oil, it is characterised in that: described utilizes gas
Stream mill continues to be crushed, and is broken for 5-10 μm of intermediate phase pitch-based graphite fine powder.
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CN201910422056.9A CN110195272B (en) | 2019-05-21 | 2019-05-21 | Method for oiling mesophase pitch fibers |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58191222A (en) * | 1982-04-30 | 1983-11-08 | Dainippon Ink & Chem Inc | Manufacture of pitch based carbon fiber |
CN102690125A (en) * | 2012-06-26 | 2012-09-26 | 武汉科技大学 | Highly-oriented highly-heat-conducting carbon/carbon composite material and preparation method thereof |
CN104160085A (en) * | 2012-03-02 | 2014-11-19 | 松本油脂制药株式会社 | Treating agent for acrylic fibers for use in carbon fiber production, acrylic fibers for use in carbon fiber production, and process for producing carbon fibers |
CN104452270A (en) * | 2014-12-19 | 2015-03-25 | 四川创越炭材料有限公司 | Spinning finish for asphalt carbon fiber |
CN104562299A (en) * | 2014-12-29 | 2015-04-29 | 四川创越炭材料有限公司 | Preparation method for high-dispersity carbon fiber |
CN109280997A (en) * | 2018-09-20 | 2019-01-29 | 北京化工大学 | The high-strength high-modules carbon fibre and preparation method thereof of low degree of graphitization |
-
2019
- 2019-05-21 CN CN201910422056.9A patent/CN110195272B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58191222A (en) * | 1982-04-30 | 1983-11-08 | Dainippon Ink & Chem Inc | Manufacture of pitch based carbon fiber |
CN104160085A (en) * | 2012-03-02 | 2014-11-19 | 松本油脂制药株式会社 | Treating agent for acrylic fibers for use in carbon fiber production, acrylic fibers for use in carbon fiber production, and process for producing carbon fibers |
CN102690125A (en) * | 2012-06-26 | 2012-09-26 | 武汉科技大学 | Highly-oriented highly-heat-conducting carbon/carbon composite material and preparation method thereof |
CN104452270A (en) * | 2014-12-19 | 2015-03-25 | 四川创越炭材料有限公司 | Spinning finish for asphalt carbon fiber |
CN104562299A (en) * | 2014-12-29 | 2015-04-29 | 四川创越炭材料有限公司 | Preparation method for high-dispersity carbon fiber |
CN109280997A (en) * | 2018-09-20 | 2019-01-29 | 北京化工大学 | The high-strength high-modules carbon fibre and preparation method thereof of low degree of graphitization |
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Address after: Room 2202, building F1, Lugu Yuyuan, No.27 Wenxuan Road, high tech Development Zone, Changsha City, Hunan Province Patentee after: Hunan Dongying Carbon Materials Technology Co.,Ltd. Address before: Room 2202, building F1, Lugu Yuyuan, No.27 Wenxuan Road, high tech Development Zone, Changsha City, Hunan Province Patentee before: HUNAN DONGYING CARBON MATERIAL TECHNOLOGY CO.,LTD. |
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