子分类：
| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 141 | JPH06504565A - | JP50272892 | 1991-12-05 | JPH06504565A | 1994-05-26 | |
| 142 | JPH048475B2 - | JP21149488 | 1988-08-25 | JPH048475B2 | 1992-02-17 | |
| 143 | JPH046755B2 - | JP12565786 | 1986-06-02 | JPH046755B2 | 1992-02-06 | TATE KAZUHITO; YOSHIDA HAJIME; SASAKI TERUHIKO |
| 144 | JPH0258311B2 - | JP3813680 | 1980-03-25 | JPH0258311B2 | 1990-12-07 | KOONERIUSU JII FUITSUTSUJERARUDO; HAARII DABURYUU BAANAMU |
| 145 | Binder pitch and its preparation | JP26886489 | 1989-10-16 | JPH02258892A | 1990-10-19 | DEII ROURII BUREIKUBAAN ZA SEK; KIISU EMU RUUSERU; TAA UEI FU |
| PURPOSE: To obtain binder pitch having high density, high strength and low electric resistance by subjecting hydrogenated petroleum aromatic mineral oil to pyrolytic treatment and distilling the obtained product to obtain hot tar and combining this tar with fine baked petroleum coke particles. CONSTITUTION: Petroleum aromatic mineral oil pref. being supernatant oil is subjected to hydrogenation treatment and the obtained product is subjected to pyrolytic treatment to obtain hot tar which is, in turn, distilled to obtain topping hot tar. This hot tar is combined with about 1-18 wt.% of fine baked petroleum coke particles with an average particle size of about 1-40 μm (pref. about 5 μm or less) to obtain the objective binder pitch. COPYRIGHT: (C)1990,JPO | ||||||
| 146 | Production of pitch as starting material for carbon material | JP2459289 | 1989-02-02 | JPH02204314A | 1990-08-14 | SEO IKUO; ONO TORU; MURAKAMI YOSHINOBU |
| PURPOSE: To obtain a carbon molded product having a low ash content and superior quality by polymerizing naphthalene or a deriv. thereof at a specified temp. in the presence of an aluminum chloride catalyst, adding water, carrying out emulsification by stirring, and separating the water. CONSTITUTION: Naphthalene or a deriv. thereof is polymerized at 100-330°C in the presence of an aluminum chloride catalyst, water is added to the polymn. system and emulsification is carried out by stirring to prepare an emulsion. This emulsion is then broken and the residue of the catalyst is removed by separating and removing the water. A carbon material using the resultant pitch has a very low ash content and can give a carbon molded body having superior quality. COPYRIGHT: (C)1990,JPO&Japio | ||||||
| 147 | Pitch-based carbon fiber having excellent compression property and production thereof | JP16068388 | 1988-06-30 | JPH0214023A | 1990-01-18 | TAKASHIMA HIROAKI; KATO OSAMU; AZAMI KIYOSHI; NAKAJIMA HAJIME |
| PURPOSE: To obtain the subject pitch-based carbon fiber having novel structure by spinning pitch containing specific amount of optically anisotropic phase obtained by hydrolyzing carbonaceous pitch, heat treating and extracting with respectively specific two organic solvents, infusibilizing and carbonizing. CONSTITUTION: Carbonaceous pitch is hydrolyzed with hydrolyzing catalyst and ≥2mol hydrogen per a pitch molecule is added, then heattreated under normal pressure or reduced pressure, thus pitch containing 5-40vol% optically anisotropic phase. Said pitch is extracted with an organic solvent having 7.4-9.0 solubility parameter at 25°C and insoluble component is extracted with an organic solvent having 9.2-11.0 solubility parameter at 25°C, then soluble component is spun, infusibilized and carbonized to obtain the aimed pitch-based carbon fiber having ≥50vol% fine texture comprising of respectively ≤1000Å La and Lc values in X-ray diffraction and ≤1000Å fibril width, 1.95-2.12g/cm 3 density and a relation expressed by the formula of layer spacing d 002 in X-ray diffraction and density. COPYRIGHT: (C)1990,JPO&Japio | ||||||
| 148 | JPH0149316B2 - | JP15865883 | 1983-08-29 | JPH0149316B2 | 1989-10-24 | MORI MAKIHIKO; FUJITA KATSUMI; NAKAGAWA YOSHITERU; AIDA YASUKI; MAEDA TOYOHIRO |
| 149 | Production of raw material pitch for carbon fiber | JP23708786 | 1986-10-07 | JPS62174294A | 1987-07-31 | ISHIKAWA SEIJI; HIRANO SHUICHI; MATSUMOTO YUKIO; KAIHARA TSUTOMU; MORISHIGE TAKUO; SUGIYAMA KENJI |
| PURPOSE: To obtain the title pitch capable of providing a carbon fiber which is excellent in mechanical properties such as strength and modulus of elasticity, by heat- treating a particular raw material such as a high-boiling oil derived from petroleum, removing insoluble matter therefrom, heating the treated material to remove low- boiling fractions and further heat-treating the material at a high temp. CONSTITUTION: Cracked petroleum is obtd. by fluidized catalystic cracking of petroleum at 480W560°C in the presence of a silica-alumina or zeolite cracking catalyst. At least one raw material selected from among a high-boiling oil contg. entrained catalyst powder obtd. from the cracked petroleum, a distillate or distillation residue of the cracked petroleum or pitch obtd. by heat treatment thereof is heat-treated in a hydrogen atmosphere at 350W550°C for 10min W3hr. Insoluble matter is separated and removed from the reaction mixture to obtain a first treatment mixture. The first treatment mixture is heated at 250W400°C in an inert gas atmosphere under a reduced pressure to remove a low-boiling fraction which distilled at the same temp., thereby obtaining a second treatment mixture. The second treatment mixture is treated in an inert gas atmosphere under a reduced pressure at 430W550°C for 10W60min to obtain the title pitch having a softening point of 260W340°C, a toluene insoluble content of 50W90% and a quinoline insoluble content of 10W40%. COPYRIGHT: (C)1987,JPO&Japio | ||||||
| 150 | Optically anisotropic pitch | JP21807985 | 1985-10-02 | JPS6279215A | 1987-04-11 | TATE KAZUHITO; YOSHIDA HAJIME; SASAKI TERUHIKO |
| PURPOSE: To obtain the titled pitch useful as a production raw material for high-tenacity and high-modulus carbon fiber and other carbon material, by using a specific polymer as a starting raw material and heat-treating the polymer. CONSTITUTION: An alkylbenzene (preferably 2W4-substituted 9W10C alkylbenzene) is made to react with a 2W4-cyclic aromatic compound and preferably formaldehyde in the presence of preferably a protonic acid catalyst and the resultant polymer wherein the alkylbenzene and the 2W4-cyclic aromatic compound are bonded together through methylene group is used as a raw material. The objective pitch is produced by heat-treating the raw material preferably at 350W460°C for 0.5W10hr under refluxing. COPYRIGHT: (C)1987,JPO&Japio | ||||||
| 151 | Membrane separation of non-converted carbon fiber precursor from flux solvent | JP9310584 | 1984-05-11 | JPS60235606A | 1985-11-22 | MAAMUUDO EMU HAFUEZU; ROORA II BURATSUKU |
| 152 | Method for treating coal tar or coal tar pitch | JP15865883 | 1983-08-29 | JPS6049085A | 1985-03-18 | MORI MAKIHIKO; FUJITA KATSUMI; NAKAGAWA YOSHITERU; AIDA YASUKI; MAEDA TOYOHIRO |
| PURPOSE: To obtain coal tar (pitch) containing only pure secondary substances insoluble in quinoline useful as a raw material for producing carbon fibers, etc., by centrifuging coal tar (pitch), and heat-treating the resultant clear liquid under specific conditions. CONSTITUTION: Coal tar (pitch) is centrifuged at 100W400°C temperature, preferably 200W350°C usually under about 500W4,000G centrifugal force to give a clear liquid, which is then heat-treated at 300W500°C under conditions of ordinary pressure W20kg/cm 2.G for 0.5W50hr and then preferably centrifuged at 150W450°C, preferably 200W400°C usually under about 500W5,000G centrifugal force. COPYRIGHT: (C)1985,JPO&Japio | ||||||
| 153 | Manufacture of carbon fiber | JP8877583 | 1983-05-20 | JPS59216921A | 1984-12-07 | GOMI SHINPEI; ARAI TOMIO; MOGI FUMIO; MIURA KUNIO; OOTANI SUGIROU |
| PURPOSE: To manufacture carbon fiber without the restriction of the raw materials, at a remarkably reduced cost, by thermally cracking a specific petroleum residue oil e.g. by contacting with a gaseous heat medium, separating and removing the meso-phase, and carrying out the melt-spinning, infusibilization and carbonization of the product. CONSTITUTION: A petroleum residue oil having a boiling point of ≥500°C and containing ≥30wt% of a residue oil having a boiling point of ≥500°C and a metal content of ≥200ppm and obtained from a napthenic crude oil or mixed- base crude oil, is made to contact with a gas or vapor of an inert heat medium or cracked at 400W500°C under reduced pressure in liquid phase while evporating and removing the cracked light oil, to obtain a pitch having a softening point of 140W220°C and containing ≥5wt% of meso-phase and ≤10wt% of the light fraction having a boiling point of ≤300°C under the pressure of 60mmHg. The meso-phase (and its agglomerate) is separated and removed from the pitch, and the obtained pitch free from the meso-phase (and its agglomerate) having a diameter of ≥10μ is subjected to melt-spinning. The produced fiber is made infusible and carbonized to obtain the objective carbon fiber. COPYRIGHT: (C)1984,JPO&Japio | ||||||
| 154 | Custom blend precursor for manufacturing carbon article and manufacture | JP6048784 | 1984-03-28 | JPS59189168A | 1984-10-26 | GAJII DEITSUKAKIAN |
| 155 | JPS5930192B2 - | JP17681380 | 1980-12-15 | JPS5930192B2 | 1984-07-25 | OOTANI SUGIRO |
| 156 | JPS59501266A - | JP50214383 | 1983-07-04 | JPS59501266A | 1984-07-19 | |
| 157 | JPS5910713B2 - | JP6555879 | 1979-05-29 | JPS5910713B2 | 1984-03-10 | HAYASHI KYOSHIGE |
| 158 | JPS5854081B2 - | JP23880 | 1980-01-04 | JPS5854081B2 | 1983-12-02 | NOGUCHI KOSAKU; TANAKA HONAMI; HISAMURA YUKIMASA; KITAJIMA EIJI; TSUCHA TOKUYUKI; SUNADA TOMONORI |
| 159 | Preparation of pitch carbon fiber | JP17207681 | 1981-10-29 | JPS5876523A | 1983-05-09 | KAMIMURA SEIICHI; YAMAMOTO SHIYUNICHI; HIROSE TAKAO; TAKASHIMA HIROAKI; KATOU OSAMU |
| PURPOSE: To obtain carbon fibers having a high elasticity and high strength from a uniform low-melting pitch in melt spinning, by using an optically isotropic pitch exhibiting a specific reflectance as a raw material. CONSTITUTION: An optically isotropic pitch, exhibiting 9.0W11.0% reflectance, and containing the mesophase is used as a raw material. For example, a petroleum, e.g. naphtha or kerosene, is steam cracked at 700W1,200°C to prepare an olefin. A heavy oil, produced in the process as a byproduct, and having 200W 450°C boiling point is molten in an inert gaseous atmosphere to form a liquid, which is then formed into a thin film of ≤5mm thickness. The resultant thin film is then treated at 280W345°C and 0.1W10mmHg reduced pressure for 5W20min to give the reflectance within the above-mentioned range. The resultant film is then melt spun to afford pitch fibers, which are made infusible, carbonized and graphitized to give the aimed carbon fibers. COPYRIGHT: (C)1983,JPO&Japio | ||||||
| 160 | Preparation of raw material pitch for carbon fiber | JP14950181 | 1981-09-24 | JPS5852386A | 1983-03-28 | MORIYA KUNIHIKO; TATE KAZUHITO; MUROGA GOROU; YANAGIDA KAZUHIRO |
| PURPOSE: To stably obtain raw material pitch with high modulus of elasticity for preparing carbon fiber, by extractiong a deasphalted oil obtd. by the vacuum distillation and solvent deasphalting of a heavy petroleum residue, or extracting a vacuum distillate of the heavy residue, with a solvent and thermally treating the extract. CONSTITUTION: A heavy petroleum residue such as an atmospheric distillation residue or hydrocracked residue of crude oil is subjected to vacuum distillation and a vacuum residue of b.p. ≥500°C under normal press is subjected to deasphalting with a solvent such as propane, to remove asphaltene contg. V, Ni, etc. in a large amt. The obtd. solvent-deasphalted oil or a fraction of b.p. 300W 500°C under normal press. obtd. by the vacuum distillation of the heavy oil without deasphalting, is extracted at about 45W145°C by using furfural as a solvent. Then the purpase pitch is obtd. by thermally treating a furfural-extract at about 390W460°C for about 1W30hr. COPYRIGHT: (C)1983,JPO&Japio | ||||||
QQ群二维码
意见反馈
意见反馈