GB2024789B - Method for preparing silicon carbide - Google Patents

Method for preparing silicon carbide

Info

Publication number
GB2024789B
GB2024789B GB7917110A GB7917110A GB2024789B GB 2024789 B GB2024789 B GB 2024789B GB 7917110 A GB7917110 A GB 7917110A GB 7917110 A GB7917110 A GB 7917110A GB 2024789 B GB2024789 B GB 2024789B
Authority
GB
United Kingdom
Prior art keywords
silicon carbide
preparing silicon
preparing
carbide
silicon
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
Application number
GB7917110A
Other versions
GB2024789A (en
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.)
Dow Silicones Corp
Original Assignee
Dow Corning Corp
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 Dow Corning Corp filed Critical Dow Corning Corp
Publication of GB2024789A publication Critical patent/GB2024789A/en
Application granted granted Critical
Publication of GB2024789B publication Critical patent/GB2024789B/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • 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
    • C01B32/914—Carbides of single elements
    • C01B32/956—Silicon carbide
    • C01B32/963—Preparation from compounds containing silicon
    • C01B32/977—Preparation from organic compounds containing silicon
    • 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
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04—Polysiloxanes
    • C08G77/38—Polysiloxanes modified by chemical after-treatment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/60—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule in which all the silicon atoms are connected by linkages other than oxygen atoms
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
    • C01P2002/88—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by thermal analysis data, e.g. TGA, DTA, DSC
    • 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
    • C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
    • 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
    • C01P2006/80—Compositional purity
GB7917110A 1978-05-30 1979-05-16 Method for preparing silicon carbide Expired GB2024789B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US91024778A 1978-05-30 1978-05-30
US2413779A 1979-03-26 1979-03-26

Publications (2)

Publication Number Publication Date
GB2024789A GB2024789A (en) 1980-01-16
GB2024789B true GB2024789B (en) 1982-07-28

Family

ID=26698093

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7917110A Expired GB2024789B (en) 1978-05-30 1979-05-16 Method for preparing silicon carbide

Country Status (10)

Country Link
AU (1) AU526855B2 (en)
BR (1) BR7903370A (en)
CA (1) CA1121971A (en)
CH (1) CH640803A5 (en)
DE (1) DE2921570C3 (en)
FR (1) FR2427301A1 (en)
GB (1) GB2024789B (en)
IT (1) IT1121520B (en)
NL (1) NL178069C (en)
SE (1) SE437654B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4314956A (en) * 1980-07-23 1982-02-09 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
US4298558A (en) * 1980-07-23 1981-11-03 Dow Corning Corporation High yield silicon carbide pre-ceramic polymers
US4310481A (en) * 1980-07-23 1982-01-12 Dow Corning Corporation High yield silicon carbide pre-ceramic polymers
US4298559A (en) * 1980-07-23 1981-11-03 Dow Corning Corporation High yield silicon carbide from alkylated or arylated pre-ceramic polymers
US4942011A (en) * 1988-05-03 1990-07-17 E. I. Du Pont De Nemours And Company Process for preparing silicon carbide fibers

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1226088B (en) * 1959-07-17 1966-10-06 Wacker Chemie Gmbh Process for the production of high purity crystalline silicon carbide
DE1302312B (en) * 1959-07-17 1972-03-09 Wacker Chemie Gmbh
DE2236078A1 (en) * 1972-07-22 1974-03-21 Bayer Ag Silicon carbide mouldings prepn - by pyrolysing organo silicon cpds follo-wed by moulding and heating
US4100233A (en) * 1975-04-25 1978-07-11 The Research Institute For Iron, Steel And Other Metals Of The Tohoku University Silicon carbide fibers having a high strength and a method for producing said fibers
JPS51126300A (en) * 1975-04-26 1976-11-04 Res Inst Iron Steel Tohoku Univ Method for manufacturing an organoo silicon polymer having silicon and carbon atoms as main skeleton component
GB1590011A (en) * 1976-08-17 1981-05-28 Kyoto Ceramic Method of producing dense sintered silicon carbide body from polycarbosilane

Also Published As

Publication number Publication date
BR7903370A (en) 1979-12-11
CA1121971A (en) 1982-04-20
AU4753179A (en) 1979-12-06
FR2427301B1 (en) 1984-03-09
SE437654B (en) 1985-03-11
NL178069C (en) 1986-01-16
FR2427301A1 (en) 1979-12-28
SE7904662L (en) 1980-02-06
IT7923078A0 (en) 1979-05-29
CH640803A5 (en) 1984-01-31
AU526855B2 (en) 1983-02-03
NL7904254A (en) 1979-12-04
DE2921570A1 (en) 1979-12-20
IT1121520B (en) 1986-04-02
DE2921570B2 (en) 1981-03-12
DE2921570C3 (en) 1982-02-25
GB2024789A (en) 1980-01-16
NL178069B (en) 1985-08-16

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee
PCNP Patent ceased through non-payment of renewal fee

Free format text: IN PAT.BUL.5009,PAGE 494 FOR 2024789 READ 2024798

PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950516