FR2190764A1 - - Google Patents

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Publication number
FR2190764A1
FR2190764A1 FR7314436A FR7314436A FR2190764A1 FR 2190764 A1 FR2190764 A1 FR 2190764A1 FR 7314436 A FR7314436 A FR 7314436A FR 7314436 A FR7314436 A FR 7314436A FR 2190764 A1 FR2190764 A1 FR 2190764A1
Authority
FR
France
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.)
Granted
Application number
FR7314436A
Other versions
FR2190764B1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Original Assignee
Bayer AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bayer AG filed Critical Bayer AG
Publication of FR2190764A1 publication Critical patent/FR2190764A1/fr
Application granted granted Critical
Publication of FR2190764B1 publication Critical patent/FR2190764B1/fr
Expired legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
    • C04B35/565—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on silicon carbide
    • C04B35/571—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on silicon carbide obtained from Si-containing polymer precursors or organosilicon monomers
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
    • C01B21/0828—Carbonitrides or oxycarbonitrides of metals, boron or silicon
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/90—Carbides
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
    • C04B35/584—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon nitride
    • C04B35/589—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon nitride obtained from Si-containing polymer precursors or organosilicon monomers
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/02—Amorphous compounds
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/10—Particle morphology extending in one dimension, e.g. needle-like
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/90—Other properties not specified above

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Ceramic Products (AREA)
  • Inorganic Fibers (AREA)
  • Carbon And Carbon Compounds (AREA)
FR7314436A 1972-04-19 1973-04-19 Expired FR2190764B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2218960A DE2218960A1 (de) 1972-04-19 1972-04-19 Formkoerper aus mogenen mischungen von siliciumcarbid und siliciumnitrid und verfahren zu ihrer erstellung

Publications (2)

Publication Number Publication Date
FR2190764A1 true FR2190764A1 (fr) 1974-02-01
FR2190764B1 FR2190764B1 (fr) 1976-03-19

Family

ID=5842475

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7314436A Expired FR2190764B1 (fr) 1972-04-19 1973-04-19

Country Status (8)

Country Link
US (1) US3853567A (fr)
JP (1) JPS5546995B2 (fr)
BE (1) BE798404A (fr)
CA (1) CA986541A (fr)
DE (1) DE2218960A1 (fr)
FR (1) FR2190764B1 (fr)
GB (1) GB1396830A (fr)
NL (1) NL7305617A (fr)

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2475034A1 (fr) * 1980-01-31 1981-08-07 Kurosaki Refractories Co B-sic lamelle, procede de preparation, ceramiques et refractaires le contenant
FR2497812A1 (fr) * 1981-01-15 1982-07-16 Dow Corning Procede de preparation de polymeres de silazane, polymeres ainsi obtenus, et leur utilisation pour la production de matiere et articles ceramiques contenant du carbure de silicium
FR2500460A1 (fr) * 1981-02-20 1982-08-27 Dow Corning Polymeres de silazanes formes a partir de disilazanes et d'organochlorosilanes, leur preparation et leur utilisation pour la production de matieres, articles et articles revetus d'un revetement a base de carbure de silicium
FR2520730A1 (fr) * 1982-02-03 1983-08-05 Nippon Carbon Co Ltd Procede de preparation de corps frittes mettant en oeuvre un compose organosilicie
EP0167230A2 (fr) * 1984-06-25 1986-01-08 Nippon Carbon Co., Ltd. Fibres continues inorganiques en Si, N et O et procédé pour leur fabrication
FR2583744A1 (fr) * 1985-06-24 1986-12-26 Chisso Corp Procede de fabrication d'articles faconnes en ceramique contenant du nitrure de silicium
EP0315907A2 (fr) * 1987-11-07 1989-05-17 Hoechst Aktiengesellschaft Polysilazanes, leur procédé de fabrication, et fabrication de matériaux céramiques contenant du nitrure de silicium
FR2633301A1 (fr) * 1988-06-22 1989-12-29 Atochem Polysilazanes, leur procede de preparation, leur utilisation comme precurseurs de ceramiques et lesdites ceramiques
FR2635528A1 (fr) * 1988-08-17 1990-02-23 Atochem Procede de preparation de polyhydrosilazanes derives d'hydrazine et l'utilisation desdits silazanes comme precurseurs de ceramique
EP0361181A2 (fr) * 1988-09-09 1990-04-04 Shin-Etsu Chemical Co., Ltd. Procédé pour rendre infusibles des polysilazanes et procédé de préparation de fibres céramiques creuses
EP0368535A2 (fr) * 1988-11-07 1990-05-16 Dow Corning Corporation Corps à densité élevée en polysilazanes précéramiques remplis de poudres en carbure de silicium
FR2639937A1 (fr) * 1988-12-07 1990-06-08 Atochem Compositions de precurseurs de ceramiques a base de polysilazanes et ceramiques obtenues par pyrolyse desdites compositions
FR2639952A1 (fr) * 1988-11-25 1990-06-08 Rhone Poulenc Chimie Procede de traitement de polycarbosilanes, produits ainsi obtenus et utilisation dudit traitement dans la fabrication de produits ceramiques en carbure de silicium notamment sous forme de fibres
FR2640982A1 (fr) * 1988-12-23 1990-06-29 Rhone Poulenc Chimie
FR2640980A1 (fr) * 1988-12-23 1990-06-29 Rhone Poulenc Chimie
FR2642431A1 (fr) * 1989-01-30 1990-08-03 Rhone Poulenc Chimie Procede de reticulation de polysilazanes
EP0389962A2 (fr) * 1989-03-25 1990-10-03 Hoechst Aktiengesellschaft Poudre en céramique apte au frittage et son procédé de fabrication, céramique en nitrure de silicium obtenue, son procédé de fabrication et son utilisation
EP0411611A1 (fr) * 1989-08-01 1991-02-06 Nkk Corporation Méthode pour produire un matériau de carbone ayant une bonne résistance à l'oxydation
FR2652081A1 (fr) * 1989-09-21 1991-03-22 Rhone Poulenc Chimie Procede de preparation d'un composite si3n4-sic.
EP0437934A1 (fr) * 1989-12-28 1991-07-24 Dow Corning Corporation Corps frittés en carbure de silicium ayant une densité élevée préparés à partir de borosiloxanes
US5084423A (en) * 1987-11-07 1992-01-28 Hoechst Aktiengesellschaft Polysilazanes, process for the preparation thereof, silicon, nitride-containing ceramic materials which can be prepared therefrom, and the preparation thereof

Families Citing this family (100)

* Cited by examiner, † Cited by third party
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US3911188A (en) * 1973-07-09 1975-10-07 Norton Co High strength composite ceramic structure
US4117057A (en) * 1975-06-25 1978-09-26 The Research Institute For Iron, Steel And Other Metals Of The Tohoku University Silicon carbide sintered moldings and a method for producing the same
JPS5833196B2 (ja) * 1975-10-27 1983-07-18 トウホクダイガクキンゾクザイリヨウケンキユウシヨチヨウ タイネツセイセラミツクスフクゴウザイリヨウノセイゾウホウホウ
JPS5844630B2 (ja) * 1975-11-10 1983-10-04 トウホクダイガクキンゾクザイリヨウケンキユウシヨチヨウ シリコ−ンカ−バイドシヨウケツセイケイタイノ セイゾウホウホウ
US4295890A (en) * 1975-12-03 1981-10-20 Ppg Industries, Inc. Submicron beta silicon carbide powder and sintered articles of high density prepared therefrom
JPS52112700A (en) * 1976-02-28 1977-09-21 Tohoku Daigaku Kinzoku Zairyo Amorphous organopolysilicone composite for preparing silicone carbide
GB1590011A (en) * 1976-08-17 1981-05-28 Kyoto Ceramic Method of producing dense sintered silicon carbide body from polycarbosilane
US4097294A (en) * 1976-08-23 1978-06-27 The United States Of America As Represented By The Secretary Of The Navy Preparation of ceramics
US4788309A (en) 1985-04-26 1988-11-29 Sri International Method of forming compounds having Si-N groups and resulting products
US4399232A (en) * 1979-06-28 1983-08-16 Ube Industries, Ltd. Continuous inorganic fibers and process for production thereof
JPS6031799B2 (ja) * 1979-11-30 1985-07-24 黒崎窯業株式会社 ＳｉＣ−Ｓｉ↓３Ｎ↓４系複合耐熱セラミツクス材料及びその製造方法
US4298558A (en) * 1980-07-23 1981-11-03 Dow Corning Corporation High yield silicon carbide pre-ceramic polymers
US4314956A (en) * 1980-07-23 1982-02-09 Dow Corning Corporation High yield silicon carbide pre-ceramic polymers
USRE31447E (en) * 1980-07-23 1983-11-22 Dow Corning Corporation High yield silicon carbide pre-ceramic polymers
US4310482A (en) * 1980-07-23 1982-01-12 Dow Corning Corporation High yield silicon carbide pre-polymers
US4298559A (en) * 1980-07-23 1981-11-03 Dow Corning Corporation High yield silicon carbide from alkylated or arylated pre-ceramic polymers
US4415342A (en) * 1980-09-24 1983-11-15 Minnesota Mining And Manufacturing Company Air pollution control process
US4404153A (en) * 1981-01-15 1983-09-13 Dow Corning Corporation Process for the preparation of poly(disilyl)silazane polymers and the polymers therefrom
JPS57200210A (en) * 1981-06-01 1982-12-08 Nippon Carbon Co Ltd Fibrous silicon nitride and its production
US4395460A (en) * 1981-09-21 1983-07-26 Dow Corning Corporation Preparation of polysilazane polymers and the polymers therefrom
JPS5892711A (ja) * 1981-11-28 1983-06-02 Matsushita Electric Ind Co Ltd 燃焼器
JPS59101112U (ja) * 1982-12-25 1984-07-07 松下電器産業株式会社 加熱調理器具用排気ガス浄化装置
US4783516A (en) * 1983-03-31 1988-11-08 Union Carbide Corporation Polysilane precursors containing olefinic groups for silicon carbide
US4540803A (en) * 1983-11-28 1985-09-10 Dow Corning Corporation Hydrosilazane polymers from [R3 Si]2 NH and HSiCl3
US4543344A (en) * 1983-11-28 1985-09-24 Dow Corning Corporation Silicon nitride-containing ceramic material prepared by pyrolysis of hydrosilazane polymers from (R3 Si)2 NH and HSiCl3
JPS60145903A (ja) * 1983-12-29 1985-08-01 Toa Nenryo Kogyo Kk 無機ポリシラザン及びその合成方法
US4535007A (en) * 1984-07-02 1985-08-13 Dow Corning Corporation Silicon nitride-containing ceramics
FR2579602B1 (fr) * 1985-03-29 1987-06-05 Rhone Poulenc Rech Composition polysilazane pouvant reticuler en presence d'un metal ou d'un compose metallique catalysant la reaction d'hydrosilylation
US4761389A (en) * 1985-04-01 1988-08-02 Dow Corning Corporation Process for preparing ceramic materials with reduced carbon levels
US5008422A (en) * 1985-04-26 1991-04-16 Sri International Polysilazanes and related compositions, processes and uses
US5055431A (en) * 1985-04-26 1991-10-08 Sri International Polysilazanes and related compositions, processes and uses
FR2581391B1 (fr) * 1985-05-06 1987-06-05 Rhone Poulenc Rech Composition organo-polysilazane comportant des generateurs de radicaux libres et reticulable par apport d'energie
FR2581386B1 (fr) * 1985-05-06 1987-11-20 Rhone Poulenc Rech Procede de traitement de polyorganosilazanes et/ou de polyorgano(disilyl)silazanes par un traitement de polyorganosilazanes par un systeme catalytique comprenant un sel mineral ionique et un compose complexant
FR2584079B1 (fr) * 1985-06-26 1987-08-14 Rhone Poulenc Rech Procede de traitement par catalyse cationique d'un polysilazane comportant en moyenne au moins deux groupes sih par molecule
US4645807A (en) * 1985-07-18 1987-02-24 Massachusetts Institute Of Technology Method for forming new preceramic polymers for SiC and Si3 N4 /SiC systems
US4650837A (en) * 1985-09-30 1987-03-17 Massachusetts Institute Of Technology Method for converting Si-H containing polycarbosilanes to new and useful preceramic polymers and ceramic materials
US4719273A (en) * 1985-09-04 1988-01-12 Massachusetts Institute Of Technology Method for forming new preceramic polymers containing silicon
US4639501A (en) * 1985-09-04 1987-01-27 Massachusetts Institute Of Technology Method for forming new preceramic polymers containing silicon
JPS6294721A (ja) * 1985-10-18 1987-05-01 Toyotomi Kogyo Co Ltd 石油燃焼器
FR2590580B1 (fr) * 1985-11-28 1988-05-13 Rhone Poulenc Spec Chim Procede de traitement catalytique d'un polysilazane comportant en moyenne au moins deux groupes hydrocarbone a insaturation aliphatique par molecule
US4778907A (en) * 1985-12-20 1988-10-18 The Dexter Corporation Method for making organosilazanes
US4983552A (en) * 1986-11-26 1991-01-08 The Dexter Corporation Method for making organosilazanes
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JPS62156135A (ja) * 1985-12-28 1987-07-11 Toa Nenryo Kogyo Kk ポリオルガノ（ヒドロ）シラザン
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US4705837A (en) * 1986-04-08 1987-11-10 Massachusetts Institute Of Technology Method for converting Si-H containing polysiloxanes to new and useful preceramic polymers and ceramic materials
JPS62290730A (ja) * 1986-06-10 1987-12-17 Shin Etsu Chem Co Ltd 有機シラザン重合体の製造方法
US5151390A (en) * 1986-06-13 1992-09-29 Toa Nenryo Kogyo Kabushiki Kaisha Silicon nitride-based fibers and composite material reinforced with fibers
JPH0764642B2 (ja) * 1986-06-13 1995-07-12 東燃株式会社 窒化物系セラミツクスの製法
US4746480A (en) * 1986-08-11 1988-05-24 Hoechst Celanese Corporation Process for providing a protective oxide coating on ceramic fibers
US4720532A (en) * 1986-08-22 1988-01-19 Massachusetts Institute Of Technology Organopolysilazane precursors to silicon nitride-rich mixed SiC/Si3 N4
US4730026A (en) * 1986-09-30 1988-03-08 E. I. Du Pont De Nemours And Company Cross-linked organosilazane polymers
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JPS63210133A (ja) * 1987-02-25 1988-08-31 Shin Etsu Chem Co Ltd 有機シラザン重合体の製造方法
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US4916200A (en) * 1987-06-08 1990-04-10 Dow Corning Corporation Silane modified polysilacyclobutasilazanes
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US4847027A (en) * 1987-07-06 1989-07-11 Dow Corning Corporation Infusible preceramic polymers via nitric oxide treatment
US4863755A (en) * 1987-10-16 1989-09-05 The Regents Of The University Of California Plasma enhanced chemical vapor deposition of thin films of silicon nitride from cyclic organosilicon nitrogen precursors
US5176941A (en) * 1987-11-07 1993-01-05 Hoechst Aktiengesellschaft Process of producing a ceramic/fiber composite using a molten polysilazone
US5135809A (en) * 1987-11-13 1992-08-04 Dow Corning Corporation Method for densification of amorphous ceramic material
US4921657A (en) * 1987-11-13 1990-05-01 Dow Corning Corporation Method for densification of amorphous ceramic material
JPH01139819A (ja) * 1987-11-27 1989-06-01 Nippon Carbon Co Ltd セラミックス繊維およびその製造法
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DE10203473A1 (de) * 2002-01-25 2003-07-31 Skf Ab Verfahren zur Herstellung keramischer Lagerbauteile
WO2008089147A2 (fr) * 2007-01-15 2008-07-24 Cha Corporation Destruction induite par micro-ondes de siloxanes et de sulfure d'hydrogène dans un biogaz
DE102010007780A1 (de) 2010-02-12 2011-08-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 80686 Spritzgießverfahren für Kondensationsharze und Vorrichtung für das Verfahren
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FR2497812A1 (fr) * 1981-01-15 1982-07-16 Dow Corning Procede de preparation de polymeres de silazane, polymeres ainsi obtenus, et leur utilisation pour la production de matiere et articles ceramiques contenant du carbure de silicium
FR2500460A1 (fr) * 1981-02-20 1982-08-27 Dow Corning Polymeres de silazanes formes a partir de disilazanes et d'organochlorosilanes, leur preparation et leur utilisation pour la production de matieres, articles et articles revetus d'un revetement a base de carbure de silicium
FR2520730A1 (fr) * 1982-02-03 1983-08-05 Nippon Carbon Co Ltd Procede de preparation de corps frittes mettant en oeuvre un compose organosilicie
EP0167230A2 (fr) * 1984-06-25 1986-01-08 Nippon Carbon Co., Ltd. Fibres continues inorganiques en Si, N et O et procédé pour leur fabrication
US4916093A (en) * 1984-06-25 1990-04-10 Nippon Carbon Co., Ltd. Method of producing continuous inorganic fiber consisting of Si, N and O
EP0167230A3 (en) * 1984-06-25 1987-06-03 Nippon Carbon Co., Ltd. Continuous inorganic fiber consisting of si, n and o and a method of producing the same
US4873039A (en) * 1985-06-24 1989-10-10 Chisso Corporation Method for producing shaped articles of ceramics
FR2583744A1 (fr) * 1985-06-24 1986-12-26 Chisso Corp Procede de fabrication d'articles faconnes en ceramique contenant du nitrure de silicium
EP0315907A2 (fr) * 1987-11-07 1989-05-17 Hoechst Aktiengesellschaft Polysilazanes, leur procédé de fabrication, et fabrication de matériaux céramiques contenant du nitrure de silicium
US5084423A (en) * 1987-11-07 1992-01-28 Hoechst Aktiengesellschaft Polysilazanes, process for the preparation thereof, silicon, nitride-containing ceramic materials which can be prepared therefrom, and the preparation thereof
EP0315907A3 (fr) * 1987-11-07 1991-01-09 Hoechst Aktiengesellschaft Polysilazanes, leur procédé de fabrication, et fabrication de matériaux céramiques contenant du nitrure de silicium
FR2633301A1 (fr) * 1988-06-22 1989-12-29 Atochem Polysilazanes, leur procede de preparation, leur utilisation comme precurseurs de ceramiques et lesdites ceramiques
EP0351262A1 (fr) * 1988-06-22 1990-01-17 Elf Atochem S.A. Polysilazanes, leur procédé de préparation, leur utilisation comme précurseurs de céramiques et lesdites céramiques
FR2635528A1 (fr) * 1988-08-17 1990-02-23 Atochem Procede de preparation de polyhydrosilazanes derives d'hydrazine et l'utilisation desdits silazanes comme precurseurs de ceramique
EP0359604A1 (fr) * 1988-08-17 1990-03-21 Elf Atochem S.A. Procédé de préparation de polyhydrosilazanes dérivés d'hydrazine et l'utilisation desdits silazanes comme précurseurs de céramique
US5272242A (en) * 1988-08-17 1993-12-21 Atochem Hydrazino/polyhydrosilazanes
EP0361181A3 (fr) * 1988-09-09 1991-01-02 Shin-Etsu Chemical Co., Ltd. Procédé pour rendre infusibles des polysilazanes et procédé de préparation de fibres céramiques creuses
EP0361181A2 (fr) * 1988-09-09 1990-04-04 Shin-Etsu Chemical Co., Ltd. Procédé pour rendre infusibles des polysilazanes et procédé de préparation de fibres céramiques creuses
EP0368535A2 (fr) * 1988-11-07 1990-05-16 Dow Corning Corporation Corps à densité élevée en polysilazanes précéramiques remplis de poudres en carbure de silicium
EP0368535A3 (fr) * 1988-11-07 1991-01-09 Dow Corning Corporation Corps à densité élevée en polysilazanes précéramiques remplis de poudres en carbure de silicium
FR2639952A1 (fr) * 1988-11-25 1990-06-08 Rhone Poulenc Chimie Procede de traitement de polycarbosilanes, produits ainsi obtenus et utilisation dudit traitement dans la fabrication de produits ceramiques en carbure de silicium notamment sous forme de fibres
EP0376766A1 (fr) * 1988-11-25 1990-07-04 L'ETAT FRANCAIS représenté par le Ministre de la Défense Procédé de traitement de polycarbosilanes, produits ainsi obtenus et utilisation dudit traitement dans la fabrication de produits céramiques en carbure de silicium notamment sous forme de fibres
EP0373059A1 (fr) * 1988-12-07 1990-06-13 Elf Atochem S.A. Compositions de précurseurs de céramiques à base de polysilazanes et céramiques obtenues par pyrolyse desdites compositions
FR2639937A1 (fr) * 1988-12-07 1990-06-08 Atochem Compositions de precurseurs de ceramiques a base de polysilazanes et ceramiques obtenues par pyrolyse desdites compositions
EP0379819A1 (fr) * 1988-12-23 1990-08-01 Rhone-Poulenc Chimie Procédé pour la réticulation de polysilazanes
EP0379815A1 (fr) * 1988-12-23 1990-08-01 Rhone-Poulenc Chimie Procédé de réticulation de polysilazanes
FR2640980A1 (fr) * 1988-12-23 1990-06-29 Rhone Poulenc Chimie
FR2640982A1 (fr) * 1988-12-23 1990-06-29 Rhone Poulenc Chimie
EP0384793A1 (fr) * 1989-01-30 1990-08-29 Rhone-Poulenc Chimie Procédé de réticulation de polysilazanes
FR2642431A1 (fr) * 1989-01-30 1990-08-03 Rhone Poulenc Chimie Procede de reticulation de polysilazanes
EP0389962A2 (fr) * 1989-03-25 1990-10-03 Hoechst Aktiengesellschaft Poudre en céramique apte au frittage et son procédé de fabrication, céramique en nitrure de silicium obtenue, son procédé de fabrication et son utilisation
EP0389962A3 (fr) * 1989-03-25 1991-03-27 Hoechst Aktiengesellschaft Poudre en céramique apte au frittage et son procédé de fabrication, céramique en nitrure de silicium obtenue, son procédé de fabrication et son utilisation
US5162272A (en) * 1989-03-25 1992-11-10 Hoechst Aktiengesellschaft Sinterable ceramic powder, process for its production, silicon nitride ceramic produced therefrom, process for its production and its use
EP0411611A1 (fr) * 1989-08-01 1991-02-06 Nkk Corporation Méthode pour produire un matériau de carbone ayant une bonne résistance à l'oxydation
FR2652081A1 (fr) * 1989-09-21 1991-03-22 Rhone Poulenc Chimie Procede de preparation d'un composite si3n4-sic.
EP0420714A1 (fr) * 1989-09-21 1991-04-03 Rhone-Poulenc Chimie Procédé de préparation d'un composite en nitrure et carbure de silicium
EP0437934A1 (fr) * 1989-12-28 1991-07-24 Dow Corning Corporation Corps frittés en carbure de silicium ayant une densité élevée préparés à partir de borosiloxanes

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NL7305617A (fr) 1973-10-23
BE798404A (fr) 1973-10-18
GB1396830A (en) 1975-06-04
DE2218960A1 (de) 1973-11-08
CA986541A (en) 1976-03-30
FR2190764B1 (fr) 1976-03-19
JPS4920206A (fr) 1974-02-22
US3853567A (en) 1974-12-10
JPS5546995B2 (fr) 1980-11-27

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