BR112018012553B1 - Tratamento de superfície da fase gasosa para tratar fibra de carbono contínua, e, processo contínuo para fabricar fibra de carbono - Google Patents
Tratamento de superfície da fase gasosa para tratar fibra de carbono contínua, e, processo contínuo para fabricar fibra de carbono Download PDFInfo
- Publication number
- BR112018012553B1 BR112018012553B1 BR112018012553-9A BR112018012553A BR112018012553B1 BR 112018012553 B1 BR112018012553 B1 BR 112018012553B1 BR 112018012553 A BR112018012553 A BR 112018012553A BR 112018012553 B1 BR112018012553 B1 BR 112018012553B1
- Authority
- BR
- Brazil
- Prior art keywords
- carbon fiber
- fiber
- nitrogen
- surface treatment
- gas phase
- Prior art date
Links
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 104
- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 91
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 91
- 238000004381 surface treatment Methods 0.000 title claims abstract description 56
- 238000010924 continuous production Methods 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 115
- 239000000835 fiber Substances 0.000 claims abstract description 81
- 239000007789 gas Substances 0.000 claims abstract description 69
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 46
- 230000003647 oxidation Effects 0.000 claims abstract description 39
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 39
- 229910001873 dinitrogen Inorganic materials 0.000 claims abstract description 23
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 11
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 60
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 34
- 238000003763 carbonization Methods 0.000 claims description 30
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 26
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 claims description 20
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 12
- 239000001301 oxygen Substances 0.000 claims description 12
- 229910052760 oxygen Inorganic materials 0.000 claims description 12
- 239000003570 air Substances 0.000 claims description 4
- 238000009656 pre-carbonization Methods 0.000 claims description 4
- 239000002243 precursor Substances 0.000 claims description 4
- 239000011261 inert gas Substances 0.000 claims description 3
- 238000001420 photoelectron spectroscopy Methods 0.000 claims description 2
- 239000012071 phase Substances 0.000 claims 7
- 239000007792 gaseous phase Substances 0.000 claims 1
- 229910021529 ammonia Inorganic materials 0.000 description 27
- 230000001590 oxidative effect Effects 0.000 description 18
- 238000000034 method Methods 0.000 description 14
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 239000002131 composite material Substances 0.000 description 8
- 229920005989 resin Polymers 0.000 description 8
- 239000011347 resin Substances 0.000 description 8
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 6
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 description 6
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 6
- 239000011159 matrix material Substances 0.000 description 6
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 6
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- -1 poly(vinyl chloride) Polymers 0.000 description 4
- 229920003002 synthetic resin Polymers 0.000 description 4
- 239000000057 synthetic resin Substances 0.000 description 4
- 238000009987 spinning Methods 0.000 description 3
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010301 surface-oxidation reaction Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000011437 continuous method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000003779 heat-resistant material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 235000013824 polyphenols Nutrition 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- D01F11/128—Nitrides, nitrogen carbides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/06—Reinforcing macromolecular compounds with loose or coherent fibrous material using pretreated fibrous materials
-
- 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
- D01F11/122—Oxygen, oxygen-generating 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
- D01F9/20—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products
- D01F9/21—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F9/22—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyacrylonitriles
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/34—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxygen, ozone or ozonides
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/58—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with nitrogen or compounds thereof, e.g. with nitrides
- D06M11/59—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with nitrogen or compounds thereof, e.g. with nitrides with ammonia; with complexes of organic amines with inorganic substances
- D06M11/60—Ammonia as a gas or in solution
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/40—Fibres of carbon
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Inorganic Fibers (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201562270656P | 2015-12-22 | 2015-12-22 | |
| US62/270,656 | 2015-12-22 | ||
| PCT/US2016/067574 WO2017112598A1 (en) | 2015-12-22 | 2016-12-19 | Process for gas phase surface treatment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BR112018012553A2 BR112018012553A2 (pt) | 2018-12-04 |
| BR112018012553B1 true BR112018012553B1 (pt) | 2022-12-06 |
Family
ID=57822036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112018012553-9A BR112018012553B1 (pt) | 2015-12-22 | 2016-12-19 | Tratamento de superfície da fase gasosa para tratar fibra de carbono contínua, e, processo contínuo para fabricar fibra de carbono |
Country Status (12)
| Country | Link |
|---|---|
| US (2) | US10060053B2 (https=) |
| EP (1) | EP3394331B1 (https=) |
| JP (1) | JP7092671B2 (https=) |
| KR (1) | KR20180094081A (https=) |
| CN (1) | CN108431311B (https=) |
| AU (1) | AU2016377496B2 (https=) |
| BR (1) | BR112018012553B1 (https=) |
| CA (1) | CA3009340A1 (https=) |
| ES (1) | ES2899079T3 (https=) |
| MX (1) | MX376037B (https=) |
| TW (1) | TWI699466B (https=) |
| WO (1) | WO2017112598A1 (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111286816B (zh) * | 2018-12-10 | 2022-11-29 | 天津工业大学 | 一种具有平滑表面的聚丙烯腈基碳纤维的制备方法 |
| CN110528277A (zh) * | 2019-08-21 | 2019-12-03 | 大同新成新材料股份有限公司 | 一种碳纤维的表面处理方法 |
| FR3124508B1 (fr) * | 2021-06-23 | 2026-04-17 | Safran Ceram | Procédé de traitement d’une fibre de carbure de silicium |
| CN115710817B (zh) * | 2022-10-07 | 2024-06-18 | 河南师范大学 | 一种臭氧辅助激光制备高缺陷多孔碳纤维的方法 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5116219B2 (https=) * | 1972-12-22 | 1976-05-22 | ||
| CA1018716A (en) * | 1972-12-22 | 1977-10-11 | Kureha Kagaku Kogyo Kabushiki Kaisha | Process for the surface treatment of carbon fibres |
| JPS5116220B2 (https=) * | 1972-12-22 | 1976-05-22 | ||
| US4507272A (en) * | 1983-05-09 | 1985-03-26 | Hitco | Method of purifying partially carbonized pan material prior to carbonization |
| US4608402A (en) * | 1985-08-09 | 1986-08-26 | E. I. Du Pont De Nemours And Company | Surface treatment of pitch-based carbon fibers |
| JP2514637B2 (ja) * | 1986-09-20 | 1996-07-10 | 日機装 株式会社 | 気相成長炭素繊維の表面処理方法 |
| JPS6385167A (ja) * | 1986-09-22 | 1988-04-15 | 東レ株式会社 | 表面改質炭素繊維とその製造方法 |
| JPS6468570A (en) * | 1987-09-03 | 1989-03-14 | Asahi Chemical Ind | Surface modification of carbon fiber |
| JP3656864B2 (ja) * | 1996-02-14 | 2005-06-08 | 東レ株式会社 | 炭素繊維およびその製造方法ならびにその炭素繊維を使用したプリプレグ |
| JP2001207377A (ja) | 2000-01-28 | 2001-08-03 | Toho Rayon Co Ltd | 表面改質された炭素繊維 |
| JP2011017100A (ja) * | 2009-07-09 | 2011-01-27 | Toray Ind Inc | 炭素繊維の製造方法 |
| CN103215692B (zh) * | 2013-03-26 | 2015-05-13 | 北京化工大学 | 一种高碳收率聚丙烯腈基碳纤维的制备方法 |
| CN103806274B (zh) * | 2014-03-03 | 2015-09-16 | 哈尔滨工业大学 | 一种碳纤维表面接枝聚合物的方法 |
| KR101563892B1 (ko) * | 2014-04-09 | 2015-10-30 | 인하대학교 산학협력단 | 수소저장용 활성탄소섬유 |
-
2016
- 2016-12-19 CN CN201680075389.3A patent/CN108431311B/zh not_active Expired - Fee Related
- 2016-12-19 JP JP2018532441A patent/JP7092671B2/ja not_active Expired - Fee Related
- 2016-12-19 US US15/382,832 patent/US10060053B2/en active Active
- 2016-12-19 KR KR1020187020185A patent/KR20180094081A/ko not_active Abandoned
- 2016-12-19 AU AU2016377496A patent/AU2016377496B2/en not_active Ceased
- 2016-12-19 WO PCT/US2016/067574 patent/WO2017112598A1/en not_active Ceased
- 2016-12-19 EP EP16826805.0A patent/EP3394331B1/en not_active Not-in-force
- 2016-12-19 ES ES16826805T patent/ES2899079T3/es active Active
- 2016-12-19 MX MX2018007275A patent/MX376037B/es active IP Right Grant
- 2016-12-19 CA CA3009340A patent/CA3009340A1/en not_active Abandoned
- 2016-12-19 BR BR112018012553-9A patent/BR112018012553B1/pt not_active IP Right Cessation
- 2016-12-22 TW TW105142627A patent/TWI699466B/zh not_active IP Right Cessation
-
2018
- 2018-07-25 US US16/045,470 patent/US20180327935A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| CA3009340A1 (en) | 2017-06-29 |
| JP2018538459A (ja) | 2018-12-27 |
| US20180327935A1 (en) | 2018-11-15 |
| TWI699466B (zh) | 2020-07-21 |
| MX2018007275A (es) | 2018-09-06 |
| EP3394331A1 (en) | 2018-10-31 |
| AU2016377496A1 (en) | 2018-06-14 |
| MX376037B (es) | 2025-03-07 |
| BR112018012553A2 (pt) | 2018-12-04 |
| CN108431311B (zh) | 2021-06-25 |
| ES2899079T3 (es) | 2022-03-10 |
| TW201736655A (zh) | 2017-10-16 |
| CN108431311A (zh) | 2018-08-21 |
| KR20180094081A (ko) | 2018-08-22 |
| US10060053B2 (en) | 2018-08-28 |
| JP7092671B2 (ja) | 2022-06-28 |
| WO2017112598A1 (en) | 2017-06-29 |
| US20170175298A1 (en) | 2017-06-22 |
| AU2016377496B2 (en) | 2020-05-21 |
| EP3394331B1 (en) | 2021-09-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BR112018012553B1 (pt) | Tratamento de superfície da fase gasosa para tratar fibra de carbono contínua, e, processo contínuo para fabricar fibra de carbono | |
| CN101542027B (zh) | 具有改善的强度和模量的碳纤维及其相关制造方法和设备 | |
| Gulgunje et al. | Low-density and high-modulus carbon fibers from polyacrylonitrile with honeycomb structure | |
| Qin et al. | Effect of heating and stretching polyacrylonitrile precursor fibers in steam on the properties of stabilized fibers and carbon fibers | |
| Lv et al. | Study on the chemical structure and skin-core structure of polyacrylonitrile-based fibers during stabilization | |
| CN107002307A (zh) | 用于生产碳纤维的连续碳化方法及系统 | |
| US4073869A (en) | Internal chemical modification of carbon fibers to yield a product of reduced electrical conductivity | |
| Santos de Oliveira Junior et al. | A statistical approach to evaluate the oxidative process of electrospun polyacrylonitrile ultrathin fibers | |
| Zhang et al. | Manufacture of carbon fibers from polyacrylonitrile precursors treated with CoSO4 | |
| Morishita et al. | Carbon fibre production using an ecofriendly water-soluble precursor | |
| Liu et al. | Investigation of combined N2‐and KMnO4‐pretreatment to reduce stabilization time of polyacrylonitrile‐based carbon fibers | |
| Serkov et al. | Improving carbon fibre production technology | |
| EP3786324A1 (en) | Method for stabilizing precursor fibers for manufacturing carbon fibers, and method for manufacturing carbon fibers by using same | |
| Liu et al. | Microwave promoted rapid curing reaction of phenolic fibers | |
| EP3661712A1 (en) | Method and system for producing unidirctional carbon fiber tape as well as method for surface treating carbon fibers | |
| JPH0229766B2 (https=) | ||
| Kim et al. | Mechanical and electrical properties of carbon nanotube fibers from impregnation with poly (vinyl alcohol)/poly (acrylic acid) and subsequent thermal condensation | |
| JP6522971B2 (ja) | 繊維束の製造方法 | |
| CN111465732B (zh) | 碳纤维及其制造方法 | |
| CN111247286A (zh) | 碳纤维及其制造方法 | |
| Li et al. | Effect of Temperature on the Structural Evolution of Polyacrylonitrile Fibers During Plasma-Assisted Thermal Stabilization | |
| JPS6366325A (ja) | 高性能cfrp用炭素繊維の製造方法 | |
| Fakhrhoseini | Pathways to reduce energy consumption in thermal stabilisation process of polyacrylonitrile fibre | |
| JPH0116927B2 (https=) | ||
| Liu et al. | Evaluation of PAN based composite sheet films with modified carbon nanotubes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B06U | Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette] | ||
| B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
| B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
| B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 19/12/2016, OBSERVADAS AS CONDICOES LEGAIS |
|
| B21F | Lapse acc. art. 78, item iv - on non-payment of the annual fees in time |
Free format text: REFERENTE A 8A ANUIDADE. |
|
| B24J | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12) |
Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2806 DE 15-10-2024 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |