DE69033221T2 - Kohlenstoffasern mit nichtrundem Querschnitt, Verfahren zu deren Herstellung und damit hergestellter Verbundwerkstoff - Google Patents
Kohlenstoffasern mit nichtrundem Querschnitt, Verfahren zu deren Herstellung und damit hergestellter VerbundwerkstoffInfo
- Publication number
- DE69033221T2 DE69033221T2 DE69033221T DE69033221T DE69033221T2 DE 69033221 T2 DE69033221 T2 DE 69033221T2 DE 69033221 T DE69033221 T DE 69033221T DE 69033221 T DE69033221 T DE 69033221T DE 69033221 T2 DE69033221 T2 DE 69033221T2
- Authority
- DE
- Germany
- Prior art keywords
- fiber
- section
- carbon fiber
- cross
- resin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229920000049 Carbon (fiber) Polymers 0.000 title claims description 124
- 239000004917 carbon fiber Substances 0.000 title claims description 124
- 239000002131 composite material Substances 0.000 title claims description 51
- 238000000034 method Methods 0.000 title claims description 25
- 238000004519 manufacturing process Methods 0.000 title description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 102
- 239000000835 fiber Substances 0.000 claims description 59
- 239000002243 precursor Substances 0.000 claims description 23
- 229920005989 resin Polymers 0.000 claims description 23
- 239000011347 resin Substances 0.000 claims description 23
- 238000009987 spinning Methods 0.000 claims description 20
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 18
- 229920000642 polymer Polymers 0.000 claims description 11
- 230000001112 coagulating effect Effects 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000012298 atmosphere Substances 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 7
- 239000002904 solvent Substances 0.000 claims description 7
- 229920001577 copolymer Polymers 0.000 claims description 6
- 229920002554 vinyl polymer Polymers 0.000 claims description 5
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 4
- 239000000701 coagulant Substances 0.000 claims description 4
- 239000013078 crystal Substances 0.000 claims description 4
- 239000000178 monomer Substances 0.000 claims description 4
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 4
- 238000010000 carbonizing Methods 0.000 claims description 3
- 230000001590 oxidative effect Effects 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- 239000000243 solution Substances 0.000 description 18
- 238000012360 testing method Methods 0.000 description 16
- 230000000052 comparative effect Effects 0.000 description 15
- 230000006835 compression Effects 0.000 description 13
- 238000007906 compression Methods 0.000 description 13
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 12
- 230000001976 improved effect Effects 0.000 description 12
- 238000002166 wet spinning Methods 0.000 description 12
- 238000001354 calcination Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- 229920002972 Acrylic fiber Polymers 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000005452 bending Methods 0.000 description 4
- 238000003763 carbonization Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- 239000000314 lubricant Substances 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 238000002074 melt spinning Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 3
- JDVIRCVIXCMTPU-UHFFFAOYSA-N ethanamine;trifluoroborane Chemical compound CCN.FB(F)F JDVIRCVIXCMTPU-UHFFFAOYSA-N 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229910017604 nitric acid Inorganic materials 0.000 description 3
- 239000004014 plasticizer Substances 0.000 description 3
- 229920001296 polysiloxane Polymers 0.000 description 3
- -1 vinyl compound Chemical class 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- 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
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 2
- 239000003677 Sheet moulding compound Substances 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000578 dry spinning Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 238000005087 graphitization Methods 0.000 description 2
- 230000001788 irregular Effects 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
- 239000000203 mixture Substances 0.000 description 2
- 238000013001 point bending Methods 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
- XEEYSDHEOQHCDA-UHFFFAOYSA-N 2-methylprop-2-ene-1-sulfonic acid Chemical compound CC(=C)CS(O)(=O)=O XEEYSDHEOQHCDA-UHFFFAOYSA-N 0.000 description 1
- AGBXYHCHUYARJY-UHFFFAOYSA-N 2-phenylethenesulfonic acid Chemical compound OS(=O)(=O)C=CC1=CC=CC=C1 AGBXYHCHUYARJY-UHFFFAOYSA-N 0.000 description 1
- YWHFEWPKYNNWRC-UHFFFAOYSA-N 3-hydroxy-2-methylidenebutanenitrile Chemical compound CC(O)C(=C)C#N YWHFEWPKYNNWRC-UHFFFAOYSA-N 0.000 description 1
- YXALYBMHAYZKAP-UHFFFAOYSA-N 7-oxabicyclo[4.1.0]heptan-4-ylmethyl 7-oxabicyclo[4.1.0]heptane-4-carboxylate Chemical compound C1CC2OC2CC1C(=O)OCC1CC2OC2CC1 YXALYBMHAYZKAP-UHFFFAOYSA-N 0.000 description 1
- 229920001342 Bakelite® Polymers 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 125000005396 acrylic acid ester group Chemical group 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 125000005907 alkyl ester group Chemical group 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium group Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012662 bulk polymerization Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000805 composite resin Substances 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000003348 petrochemical agent Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000011417 postcuring Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- UIIIBRHUICCMAI-UHFFFAOYSA-N prop-2-ene-1-sulfonic acid Chemical compound OS(=O)(=O)CC=C UIIIBRHUICCMAI-UHFFFAOYSA-N 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- VGTPCRGMBIAPIM-UHFFFAOYSA-M sodium thiocyanate Chemical compound [Na+].[S-]C#N VGTPCRGMBIAPIM-UHFFFAOYSA-M 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000010557 suspension polymerization reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
- 239000011592 zinc chloride Substances 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
- 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
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/253—Formation of filaments, threads, or the like with a non-circular cross section; Spinnerette packs therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2918—Rod, strand, filament or fiber including free carbon or carbide or therewith [not as steel]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/30—Self-sustaining carbon mass or layer with impregnant or other layer
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Fibers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22957889 | 1989-09-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69033221D1 DE69033221D1 (de) | 1999-09-02 |
| DE69033221T2 true DE69033221T2 (de) | 2000-02-03 |
Family
ID=16894374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69033221T Expired - Fee Related DE69033221T2 (de) | 1989-09-05 | 1990-08-24 | Kohlenstoffasern mit nichtrundem Querschnitt, Verfahren zu deren Herstellung und damit hergestellter Verbundwerkstoff |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5227237A (OSRAM) |
| EP (1) | EP0416789B1 (OSRAM) |
| KR (1) | KR0156870B1 (OSRAM) |
| DE (1) | DE69033221T2 (OSRAM) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6503624B2 (en) | 2000-06-23 | 2003-01-07 | Mitsubishi Rayon Co., Ltd. | Carbon fiber precursor fiber bundle and manufacturing method of the same |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5677372A (en) * | 1993-04-06 | 1997-10-14 | Sumitomo Electric Industries, Ltd. | Diamond reinforced composite material |
| JP3175801B2 (ja) * | 1993-09-17 | 2001-06-11 | 株式会社東芝 | 二次電池用負極 |
| US5366798A (en) * | 1993-11-30 | 1994-11-22 | Wangner Systems Corporation | Multi-layered papermaking fabric having stabilized stacked weft yarn |
| US5910456A (en) * | 1995-01-09 | 1999-06-08 | Toray Industries, Inc. | Prepregs and carbon fiber-reinforced composite materials |
| US5518836A (en) * | 1995-01-13 | 1996-05-21 | Mccullough; Francis P. | Flexible carbon fiber, carbon fiber electrode and secondary energy storage devices |
| US20090013538A1 (en) * | 2007-03-29 | 2009-01-15 | Acme United Corporation | Cutting instrument |
| MX370355B (es) | 2010-10-13 | 2019-12-10 | Mitsubishi Chem Corp | Bloque de fibra precursora de fibra de carbono, bloque de fibra de carbono, y sus aplicaciones. |
| KR20140129311A (ko) * | 2012-03-29 | 2014-11-06 | 미쯔비시 레이온 가부시끼가이샤 | 탄소 섬유 열가소성 수지 프리프레그, 탄소 섬유 복합 재료 및 제조 방법 |
| US9314885B2 (en) * | 2012-05-11 | 2016-04-19 | Empire Technology Development Llc | Shape memory alloy composite flexible substrates |
| WO2018007847A1 (en) * | 2016-07-02 | 2018-01-11 | Reliance Industries Limited | A spinneret plate for extruding fibers |
| CN110257936A (zh) * | 2019-06-18 | 2019-09-20 | 桐昆集团浙江恒盛化纤有限公司 | 一种t形纤维 |
| US20230001618A1 (en) * | 2021-06-30 | 2023-01-05 | Connie Jackson | Carbon-fiber fuel tank |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3600491A (en) * | 1968-02-14 | 1971-08-17 | Japan Exlan Co Ltd | Production of hollow acrylic fibers |
| ZA702622B (en) * | 1969-05-12 | 1971-05-27 | American Cyanamid Co | Process for producing an acrylic synthetic fiber having a non-circular cross-section |
| USRE30414E (en) * | 1974-10-21 | 1980-10-07 | Toray Industries, Inc. | Process for producing a high tensile strength, high Young's modulus carbon fiber having excellent internal structure homogeneity |
| JPS59168126A (ja) * | 1983-03-14 | 1984-09-21 | Toray Ind Inc | ピツチ系炭素繊維の製造方法 |
| JPS59199809A (ja) * | 1983-04-20 | 1984-11-13 | Japan Exlan Co Ltd | 高強力ポリアクリロニトリル系繊維及びその製造法 |
| US4628001A (en) * | 1984-06-20 | 1986-12-09 | Teijin Limited | Pitch-based carbon or graphite fiber and process for preparation thereof |
| US4695415A (en) * | 1985-01-24 | 1987-09-22 | Mitsubishi Rayon Co., Ltd. | Method for producing acrylic fiber precursors |
| US5154908A (en) * | 1985-09-12 | 1992-10-13 | Clemson University | Carbon fibers and method for producing same |
| DE3783675T2 (de) * | 1986-07-28 | 1993-07-01 | Mitsubishi Rayon Co | Verfahren zur herstellung von acrylfasern mit hohen fasereigenschaften. |
| JPS63211326A (ja) * | 1987-02-20 | 1988-09-02 | Toray Ind Inc | 高い圧縮強度を有する黒鉛繊維 |
| US4935180A (en) * | 1988-08-25 | 1990-06-19 | Basf Aktiengesellschaft | Formation of melt-spun acrylic fibers possessing a highly uniform internal structure which are particularly suited for thermal conversion to quality carbon fibers |
| JPH0321916A (ja) * | 1989-06-19 | 1991-01-30 | Japan Aviation Electron Ind Ltd | 光変調器 |
-
1990
- 1990-08-22 KR KR1019900012986A patent/KR0156870B1/ko not_active Expired - Fee Related
- 1990-08-24 EP EP90309310A patent/EP0416789B1/en not_active Expired - Lifetime
- 1990-08-24 DE DE69033221T patent/DE69033221T2/de not_active Expired - Fee Related
- 1990-08-31 US US07/575,709 patent/US5227237A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6503624B2 (en) | 2000-06-23 | 2003-01-07 | Mitsubishi Rayon Co., Ltd. | Carbon fiber precursor fiber bundle and manufacturing method of the same |
| US6569523B2 (en) | 2000-06-23 | 2003-05-27 | Mitsubishi Rayon Co., Ltd. | Carbon fiber bundle |
Also Published As
| Publication number | Publication date |
|---|---|
| KR0156870B1 (ko) | 1998-12-01 |
| EP0416789A3 (en) | 1991-09-18 |
| EP0416789A2 (en) | 1991-03-13 |
| EP0416789B1 (en) | 1999-07-28 |
| DE69033221D1 (de) | 1999-09-02 |
| US5227237A (en) | 1993-07-13 |
| KR910006523A (OSRAM) | 1991-04-29 |
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