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公开(公告)号：JPH03232771A
公开(公告)日：1991-10-16
申请号：JP2827190
申请日：1990-02-09
Applicant: UBE INDUSTRIES
Inventor： YAMAMURA TAKETAMI , KUGIMOTO JUNICHI , ISHIKAWA TOSHIHIRO , SHIOJI YASUHIRO , SHIBUYA MASAKI
IPC: C04B35/565 , C04B35/52 , C04B35/56 , C04B35/80 , C04B35/83
Abstract: PURPOSE:To obtain the title composite material having excellent strength, elasticity and toughness by using hybrid fibers containing inorganic fibers obtained from specific polycyclic aromatic polymers as reinforcing materials and constituting matrix from a specific inorganic substance. CONSTITUTION:(A) An inorganic fiber which is obtained from a silicon- containing polycyclic aromatic polymer and comprise a carbonaceous material in a crystal arranged state, crystalline carbon in a non-orientated state and a Si-C-O substance, (B) an inorganic fiber which is obtained from a polycyclic aromatic polymer containing an element selected from Ti, Zr and Hf and silicon and comprise a carbonaceous material in a crystal arranged state, crystalline carbon in a non-orientated state and a Si-M-C-O substance (M is Ti, Zr or Hf) and (C) carbon fiber, glass fiber, boron fiber, etc., are prepared. Hybrid fibers containing at least one of the component A and the component B and comprising at least two selected from the component A, the component B and the component C are produced. Then the hybrid fibers are used as a reinforcing material and a carbonaceous inorganic substance having the same composition as that of the component A is utilized as matrix to give the title carbonaceous composite material.
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公开(公告)号：JPH03225788A
公开(公告)日：1991-10-04
申请号：JP1808990
申请日：1990-01-30
Applicant: UBE INDUSTRIES
Inventor： YAMAMURA TAKETAMI , ISHIKAWA TOSHIHIRO , SHIBUYA MASAKI
IPC: H05B3/20
Abstract: PURPOSE:To enable high-temperature heating of heated material by applying and/or impregnating heat-resistant exothermic paint into wooven fabric of silicon carbide fiber to form a heating element. CONSTITUTION:A heating element 1 is made up with heat-resistant exothermic paint 3 applied to wooven fabric 2 of silicon carbide fiber. As the silicon carbide fiber constituting the wooven fabric 2, fiber which is mainly composed of SiC, fiber of Si-C-Ti-O, fiber of Si-C-Zr-O, etc., are represented. The secondary fiber is composed of inorganic material selected out of following groups: (i) amorphous material including Si, M, C and O in effect, (ii) crystalline ultra-fine particles including beta-SiC, C, MC, solid solution of beta-SiC and MC and/or MC1-x in effect with the size of 500Angstrom or smaller, or aggregate of crystalline ultra-fine particles and amorphous SiO2 and MO2 in some case, (iii) mixture of the above- mentioned (i) amorphous material and the above-mentioned (ii) aggregate (in an equation, M represents Ti or Zr, and a figure x is more than 0 and less than 1). Heating up to 1000 deg.C is thus allowed.
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公开(公告)号：JPH0353334B2
公开(公告)日：1991-08-14
申请号：JP30834386
申请日：1986-12-26
Applicant: UBE INDUSTRIES
Inventor： YAMAMURA TAKETAMI , ISHIKAWA TOSHIHIRO , SHIBUYA MASAKI
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公开(公告)号：JPH03112868A
公开(公告)日：1991-05-14
申请号：JP24795389
申请日：1989-09-26
Applicant: UBE INDUSTRIES
Inventor： YAMAMURA TAKETAMI , KUGIMOTO JUNICHI , ISHIKAWA TOSHIHIRO , SHIOJI YASUHIRO , SHIBUYA MASAKI
Abstract: PURPOSE:To provide the subject material having excellent strength, elasticity, heat resistance, etc., by containing specific highly strong and elastic inorganic fibers prepared from a metal-containing polycyclic aromatic polymer as a reinforcing material and a specified carbonaceous inorganic substance as a matrix. CONSTITUTION:A fiber-reinforced carbonaceous composite material is prepared from inorganic fibers prepared from a metal-containing polycyclic aromatic polymer as a reinforcing material and from a carbonaceous inorganic material prepared from a silicon-containing polycyclic aromatic polymer as a matrix. The constituting component of the inorganic fibers includes crystalline carbon derived from a mesophase state polycyclic aromatic compound constituting the polymer, amorphous state carbon derived from an organic solvent-insoluble content-containing optically anisotropic polycyclic aromatic compound constituting the polymer and an amorphous substance containing Si, Ti, C, O, etc. The constituting component of the inorganic substance includes crystalline carbon derived from a polycyclic aromatic compound constituting the polymer, amorphous carbon and amorphous substance containing Si, C and O.
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公开(公告)号：JPH03104831A
公开(公告)日：1991-05-01
申请号：JP24080289
申请日：1989-09-19
Applicant: UBE INDUSTRIES
Inventor： YAMAMURA TAKETAMI , KUGIMOTO JUNICHI , ISHIKAWA TOSHIHIRO , SHIOJI YASUHIRO , SHIBUYA MASAKI
Abstract: PURPOSE:To obtain the inorganic fiber reinforced metal matrix composite excellent in joining strength between matrix metal and a reinforcing material by regulating an inorganic fiber constituted of a metal-contg. polycyclic aromatic polymer contg. one kind among Ti, Zr and Hf as well as Si as a reinforcing material. CONSTITUTION:At the time of manufacturing an inorganic fiber reinforced metal matrix composite in which a metal such as Al and its alloy is regulated as a matrix and an inorganic fiber as a reinforcing material, a fiber by a metal- contg. polycyclic aromatic polymer contg. M (at least one kind among Ti, Zr and Hf) and Si is used as an inorganic fiber. The constitutional components of the fiber are formed from a) a carbonaceous material having radial structure, anionic structure or random structure or the one in the other crystal arraying state, b) crystalline carbon or amorphous carbon in a nonoriented state and c) an amorphous material constituted of Si, M, C and O or beta-SiC, NC or their solid soln. As for the quantity of the components, c) is regulated to 0.015 to 200 pts. to a)+b) 100 pts., and the ratio of a):b) is constituted of 1:(0.02 to 4). The composite excellent in tensile strength, elastic modulus, heat resistance and wear resistance can be obtd.
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Patent Agency Ranking
公开(公告)号：JPH02311530A
公开(公告)日：1990-12-27
申请号：JP13129789
申请日：1989-05-26
Applicant: UBE INDUSTRIES
Inventor： YAMAMURA TAKETAMI , KUGIMOTO JUNICHI , ISHIKAWA TOSHIHIRO , SHIOJI YASUHIRO , SHIBUYA MASAKI
Abstract: PURPOSE:To improve the mechanical properties, and resistance to oxidation, abrasion, and heat by thermally reacting and/or thermally melting a specific random copolymer with an arom. polycyclic compd. CONSTITUTION:100 pts.wt. random copolymer (A) comprising a transition metal-contg. organosilicon polymer and an arom. polycyclic compd. obtd. from a petroleum- or coal-derived pitch thermally treated and eliminated org. solvent soluble components, wherein Si atoms of said organosilicon polymer are bonded at least partially to C atoms on arom. rings of said polycyclic compd. through Si-C linkage, and 5 to 900 pts.wt. arom. polycyclic compd. (B) comprising a mesophase or two phases, i.e., said mesophase and an optically isotropic phase, are thermally reacted and/or thermally melted at 200 to 500 deg.C. Said organosilicon polymer mainly comprises a bonding unit, Si-CH2, or said bonding unit and another bonding unit, Si-Si, contains H, a lower alkyl, phenyl, or silyl group as a side chain attached to Si, and contains at least one metal selected from the group consisting of Ti, Zr, and Hf bonded directly or through an oxygen atom to at least a part of Si atoms in said bonding units in the main polymer chain. Said arom. polycyclic compd. (B) is obtd. by thermally treating org. solvent insoluble components in a thermally treated petroleum- or coal-derived pitch.
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公开(公告)号：JPH02289651A
公开(公告)日：1990-11-29
申请号：JP23693489
申请日：1989-09-14
Applicant: UBE INDUSTRIES
Inventor： YAMAMURA TAKETAMI , KUGIMOTO JUNICHI , ISHIKAWA TOSHIHIRO , SHIOJI YASUHIRO , SHIBUYA MASAKI
IPC: C08K7/02 , C08K7/00 , C08K7/16 , C08L101/00
Abstract: PURPOSE:To obtain a composite composition suitable for building materials, etc., having excellent mechanical properties comprising hybrid fibers consisting of specific inorganic fibers and one or more fibers selected from carbon fibers, glass fibers, etc., as a reinforcing material and a plastics as a matrix. CONSTITUTION:A composite material consisting of hybrid fibers of inorganic fibers and one or more selected from carbon fibers, boron fibers, etc., as a reinforcing material and a plastics as a material. The inorganic fibers are obtain from a metalcontaining polycyclic aromatic polymer having one or more elements selected from titanium, zirconium and hafnium and silicon and composed of (A) a carbonaceous substance showing one or more crystal orientation state selected from radical structure, onion structure, etc., (B) crystalline carbon in a nonorientated state and/or amorphous carbon and (C) an aggregate Si-M-C- O substance composed of an amorphous substance composed of C1: S, M, C and O and/or C2: crystal fine particles composed of beta-SiC, etc., amorphous SiOy (0
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公开(公告)号：JPH02229218A
公开(公告)日：1990-09-12
申请号：JP22451189
申请日：1989-09-01
Applicant: UBE INDUSTRIES
Inventor： YAMAMURA TAKETAMI , KUGIMOTO JUNICHI , ISHIKAWA TOSHIHIRO , SHIOJI YASUHIRO , SHIBUYA MASAKI
IPC: D01F9/10
Abstract: PURPOSE:To provide the subject fiber having excellent strength, elastic modulus, adhesion, etc., by reacting an organic silicon polymer with a pitch, with a specific transition metal compound and subsequently with a polycyclic aromatic compound. CONSTITUTION:(A) 100 pts.wt. of an organic silicon polymer prepared by heating a polymethylsilane is reacted with (B) preferably 83-4900 pts.wt. of a pitch containing preferably 5-98wt.% of a component insoluble in an organic solvent such as toluene e.g. in an inert gas, reacted with (C) a transition metal compound of a formula: MX4 (M is Ti, Zr or Hf; X is OC4H9, etc.) preferably at 100-500 deg.C and subsequently melt-mixed with (D) a mesophase polycyclic aromatic compound having a melting point of 200-400 deg.C and a weight-average mol.wt. of 200-10000 preferably at 200-500 deg.C, followed by spinning the mixture to provide the objective fiber.
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公开(公告)号：JPH02221156A
公开(公告)日：1990-09-04
申请号：JP4154589
申请日：1989-02-23
Applicant: UBE INDUSTRIES
Inventor： YAMAMURA TAKETAMI , KUGIMOTO JUNICHI , ISHIKAWA TOSHIHIRO , SHIOJI YASUHIRO , SHIBUYA MASAKI
IPC: C04B35/52
Abstract: PURPOSE:To enhance resistance to wear and resistance to oxidation by forming the carbonaceous inorganic material of a metal-contg. polycyclic aromatic polymer incorporating metal such as Ti, Zr and Hf. CONSTITUTION:This carbonaceous inorganic material is obtained from a metal contg. polycyclic aromatic polymer and constituted of the components (a)-(c) described hereunder. (a) Crystalline carbon derived from a polycyclic aromatic compd. being a mesophase state constituting the above-mentioned polymer or crystalline carbon and amorphous carbon; (b) Crystalline carbon being in a nonoriental state and/or amorphous carbon derived from an optical isotropic polycyclic aromatic compd. constituting the above-mentioned polymer; (c) (1) Amorphous substance substantially consisting of Si, M, O and 0 and/or (2) an aggregate of both ultrafine crystal particle which substantially consists of beta-SiC, MC, solid soln. of beta-SiC and MO and MC1-x and has
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公开(公告)号：JPH02167343A
公开(公告)日：1990-06-27
申请号：JP21411189
申请日：1989-08-22
Applicant: UBE INDUSTRIES
Inventor： YAMAMURA TAKETAMI , KUGIMOTO JUNICHI , ISHIKAWA TOSHIHIRO , SHIOJI YASUHIRO , SHIBUYA MASAKI
Abstract: PURPOSE:To obtain a precursor polymer becoming carbon-based inorganic fiber having excellent mechanical properties by infusibilizing calcination, extreme ly improved oxidation resistance and wetting properties to matrix for composite material, containing an organosilicon copolymer and a mesophase aromatic compound. CONSTITUTION:A polymer consisting of (A) an organosilicon polymer unit comprising bond unit (Si-CH2) or the bond unit (Si-CH2) and (Si-Si), containing H, silyl, etc., on the side chain of Si, (B) a polycyclic aromatic compound unit having a skeleton in a mesophase state of condensed ring structure ana (c) a polycyclic aromatic compound unit having a skeleton in an optically isotropic state of condensed ring structure, wherein silicon of the component A is at least partially bonded to carbon of aromatic ring of the component B and/or the component C.
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