FI68257C - Foerfarande foer framstaellning av r'3sinh-innehaollande silazanpolymerer och av desamma framstaellda keramiska material och produkter - Google Patents

Foerfarande foer framstaellning av r'3sinh-innehaollande silazanpolymerer och av desamma framstaellda keramiska material och produkter Download PDF

Info

Publication number
FI68257C
FI68257C FI812045A FI812045A FI68257C FI 68257 C FI68257 C FI 68257C FI 812045 A FI812045 A FI 812045A FI 812045 A FI812045 A FI 812045A FI 68257 C FI68257 C FI 68257C
Authority
FI
Finland
Prior art keywords
carbon atoms
alkyl group
general formula
silicon carbide
polymer
Prior art date
Application number
FI812045A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI812045L (fi
FI68257B (fi
Inventor
Jr John Henry Gaul
Original Assignee
Dow Corning
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 filed Critical Dow Corning
Publication of FI812045L publication Critical patent/FI812045L/fi
Application granted granted Critical
Publication of FI68257B publication Critical patent/FI68257B/fi
Publication of FI68257C publication Critical patent/FI68257C/fi

Links

Classifications

    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • 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
    • 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
    • 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
    • C08G77/62—Nitrogen 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
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/60—Optical properties, e.g. expressed in CIELAB-values

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • General Health & Medical Sciences (AREA)
  • Ceramic Products (AREA)
  • Silicon Polymers (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
FI812045A 1981-02-20 1981-06-30 Foerfarande foer framstaellning av r'3sinh-innehaollande silazanpolymerer och av desamma framstaellda keramiska material och produkter FI68257C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/236,366 US4312970A (en) 1981-02-20 1981-02-20 Silazane polymers from {R'3 Si}2 NH and organochlorosilanes
US23636681 1981-02-20

Publications (3)

Publication Number Publication Date
FI812045L FI812045L (fi) 1982-08-21
FI68257B FI68257B (fi) 1985-04-30
FI68257C true FI68257C (fi) 1985-08-12

Family

ID=22889189

Family Applications (1)

Application Number Title Priority Date Filing Date
FI812045A FI68257C (fi) 1981-02-20 1981-06-30 Foerfarande foer framstaellning av r'3sinh-innehaollande silazanpolymerer och av desamma framstaellda keramiska material och produkter

Country Status (15)

Country Link
US (1) US4312970A (fr)
JP (1) JPS57139124A (fr)
KR (1) KR840001711B1 (fr)
AU (1) AU538466B2 (fr)
BE (1) BE888787A (fr)
CA (1) CA1168419A (fr)
DE (1) DE3128645C2 (fr)
DK (1) DK286881A (fr)
FI (1) FI68257C (fr)
FR (1) FR2500460A1 (fr)
GB (1) GB2093470B (fr)
IT (1) IT1136595B (fr)
NL (1) NL8101940A (fr)
NO (1) NO158139C (fr)
SE (1) SE446452B (fr)

Families Citing this family (82)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4612383A (en) * 1985-04-26 1986-09-16 S R I International Method of producing polysilazanes
US4788309A (en) 1985-04-26 1988-11-29 Sri International Method of forming compounds having Si-N groups and resulting products
US4395460A (en) * 1981-09-21 1983-07-26 Dow Corning Corporation Preparation of polysilazane polymers and the polymers therefrom
GB2119777B (en) * 1982-01-21 1985-07-10 Nippon Carbon Co Ltd Process for the preparation of sintered bodies
US4783516A (en) * 1983-03-31 1988-11-08 Union Carbide Corporation Polysilane precursors containing olefinic groups for silicon carbide
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
US4540803A (en) * 1983-11-28 1985-09-10 Dow Corning Corporation Hydrosilazane polymers from [R3 Si]2 NH and HSiCl3
US4535007A (en) * 1984-07-02 1985-08-13 Dow Corning Corporation Silicon nitride-containing ceramics
CA1241972A (fr) * 1984-09-11 1988-09-13 Dow Corning Corporation Ceramique derives des polymeres de silazane
US4668642A (en) * 1984-09-11 1987-05-26 Dow Corning Corporation Ceramic materials from silazane polymers
US4666872A (en) * 1984-09-21 1987-05-19 Dow Corning Corporation Ceramic materials from silazane polymers
US4757035A (en) * 1984-09-21 1988-07-12 Dow Corning Corporation Ceramic materials with increased crystallinity from silazane polymers
FR2577933B1 (fr) * 1985-02-27 1987-02-20 Rhone Poulenc Rech Procede de preparation d'organopolysilazanes et d'organopoly(disilyl)silazanes de tenue thermique amelioree et son utilisation notamment comme precurseur de ceramique
US5008422A (en) * 1985-04-26 1991-04-16 Sri International Polysilazanes and related compositions, processes and uses
EP0206449A3 (fr) * 1985-06-24 1987-06-24 Dow Corning Corporation Procédé de fabrication de matériaux céramiques
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
US4789507A (en) * 1985-10-28 1988-12-06 Hoechst Celanese Corporation Production of preceramic and ceramic fibers from friable, thermally sensitive organosilicon preceramic polymers
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
FR2590584B1 (fr) * 1985-11-28 1988-03-04 Rhone Poulenc Spec Chim Procede de preparation, en deux etapes, de reticulats d'organopolysilazanes de tenue thermique amelioree pouvant servir notamment comme precurseur ceramique
US5503817A (en) * 1986-01-16 1996-04-02 Hoechst Celanese Corp. Curing of preceramic articles with gaseous hydrogen halide
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
US4863799A (en) * 1986-05-22 1989-09-05 Hoechst Celanese Corp. Sheath core spun organosilicon preceramic fibers and processes for production
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
JPS636113A (ja) * 1986-06-23 1988-01-12 Chisso Corp 無機繊維の製造方法
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
US4816497A (en) * 1986-09-08 1989-03-28 The Dow Corning Corporation Infusible preceramic silazane polymers via ultraviolet irradiation
US4869854A (en) * 1986-10-31 1989-09-26 Shin-Etsu Chemical Co., Ltd. Process for manufacturing organic silazane polymers and ceramics therefrom
US4742143A (en) * 1986-11-04 1988-05-03 Dow Corning Corporation Preceramic polymers derived from cyclic silazanes, and halosilanes and a method for their preparation
US4756977A (en) * 1986-12-03 1988-07-12 Dow Corning Corporation Multilayer ceramics from hydrogen silsesquioxane
US4822697A (en) * 1986-12-03 1989-04-18 Dow Corning Corporation Platinum and rhodium catalysis of low temperature formation multilayer ceramics
US4826733A (en) * 1986-12-03 1989-05-02 Dow Corning Corporation Sin-containing coatings for electronic devices
US4749631B1 (en) * 1986-12-04 1993-03-23 Multilayer ceramics from silicate esters
US4753855A (en) * 1986-12-04 1988-06-28 Dow Corning Corporation Multilayer ceramic coatings from metal oxides for protection of electronic devices
US4911992A (en) * 1986-12-04 1990-03-27 Dow Corning Corporation Platinum or rhodium catalyzed multilayer ceramic coatings from hydrogen silsesquioxane resin and metal oxides
US4962175A (en) * 1986-12-22 1990-10-09 Dow Corning Corporation Alkylpoly (polysilyl) azane preceramic polymers
US4753856A (en) * 1987-01-02 1988-06-28 Dow Corning Corporation Multilayer ceramic coatings from silicate esters and metal oxides
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
US4835238A (en) * 1987-06-08 1989-05-30 Dow Corning Corporation Polysilacyclobutasilazanes
US4774312A (en) * 1987-06-08 1988-09-27 Dow Corning Corporation Polydisilacyclobutasilazanes
US4810443A (en) * 1987-07-02 1989-03-07 Dow Corning Coporation Method for forming filaments from a resin
US4847027A (en) * 1987-07-06 1989-07-11 Dow Corning Corporation Infusible preceramic polymers via nitric oxide treatment
US4798701A (en) * 1987-07-13 1989-01-17 International Business Machines Corporation Method of synthesizing amorphous group IIIA-group VA compounds
US4800221A (en) * 1987-08-25 1989-01-24 Dow Corning Corporation Silicon carbide preceramic polymers
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
US5176941A (en) * 1987-11-07 1993-01-05 Hoechst Aktiengesellschaft Process of producing a ceramic/fiber composite using a molten polysilazone
US4772516A (en) * 1987-11-09 1988-09-20 Mahone Louis G Stable methylpolydisilylazane polymers
JPH01153730A (ja) * 1987-12-11 1989-06-15 Shin Etsu Chem Co Ltd 有機シラザン重合体の製造方法
US4929742A (en) * 1988-11-28 1990-05-29 Dow Corning Corporation Silane modified polysilacyclobutasilazanes
US5070116A (en) * 1989-06-02 1991-12-03 Massachusetts Institute Of Technology Preceramic organosilicon-metal carbonyl polymers
US5547623A (en) * 1989-08-21 1996-08-20 Dow Corning Corporation Method for continuous spinning and pyrolysis of ceramic filaments from a resin
JPH0662776B2 (ja) * 1989-08-24 1994-08-17 信越化学工業株式会社 ポリチタノカルボシラザン重合体及び該重合体を用いたセラミックスの製造方法
FR2652081A1 (fr) * 1989-09-21 1991-03-22 Rhone Poulenc Chimie Procede de preparation d'un composite si3n4-sic.
US5171736A (en) * 1989-10-16 1992-12-15 Massachusetts Institute Of Technology Preceramic organosilicon-boron polymers
JPH03190933A (ja) * 1989-12-20 1991-08-20 Shin Etsu Chem Co Ltd 有機シラザン重合体の製造方法及び該重合体を用いたセラミックスの製造方法
US5545687A (en) * 1990-02-21 1996-08-13 Dow Corning Corporation Preparation of high density boron carbide ceramics with preceramic polymer binders
US5051215A (en) * 1990-03-21 1991-09-24 Dow Corning Corporation Curing preceramic polymers by exposure to nitrogen dioxide
US5783139A (en) * 1990-04-18 1998-07-21 Curran; Dennis John Gerard Ceramic materials
US5292830A (en) * 1991-06-20 1994-03-08 Tonen Corporation Thermosetting copolymers, silicon carbide-based fiber and processes for producing same
US5204380A (en) * 1991-08-29 1993-04-20 Massachusetts Institute Of Technology Preparation of silicon carbide ceramics from the modification of an Si-H containing polysilane
US6146559A (en) 1994-07-28 2000-11-14 Dow Corning Corporation Preparation of high density titanium diboride ceramics with preceramic polymer binders
US5449646A (en) 1994-07-29 1995-09-12 Dow Corning Corporation Preparation of high density zirconium diboride ceramics with preceramic polymer binders
CA2154216A1 (fr) 1994-08-01 1996-02-02 Gregg Alan Zank Preparation de ceramiques haute densite de carbure de zirconium a liants polymeriques preceramiques
US5447893A (en) 1994-08-01 1995-09-05 Dow Corning Corporation Preparation of high density titanium carbide ceramics with preceramic polymer binders
CA2374944A1 (fr) * 1999-06-10 2000-12-21 Nigel Hacker Enduit antireflet spin-on-glass pour photolithographie
US6368400B1 (en) * 2000-07-17 2002-04-09 Honeywell International Absorbing compounds for spin-on-glass anti-reflective coatings for photolithography
US8053159B2 (en) 2003-11-18 2011-11-08 Honeywell International Inc. Antireflective coatings for via fill and photolithography applications and methods of preparation thereof
JPWO2008081883A1 (ja) * 2006-12-28 2010-04-30 東レ・ダウコーニング株式会社 多孔性ケイ素含有炭素系複合材料並びにそれからなる電極及び電池
US8642246B2 (en) * 2007-02-26 2014-02-04 Honeywell International Inc. Compositions, coatings and films for tri-layer patterning applications and methods of preparation thereof
WO2008123311A1 (fr) * 2007-03-27 2008-10-16 Tokyo Institute Of Technology Procédé de fabrication d'un matériau d'électrode positive pour une batterie rechargeable
WO2009096501A1 (fr) 2008-01-30 2009-08-06 Dow Corning Toray Co., Ltd. Particule contenant du silicium, procédé pour produire celle-ci, composition de polymère organique, céramique et procédé pour produire celle-ci
CN102015844B (zh) * 2008-04-30 2013-11-06 道康宁东丽株式会社 含硅颗粒、其制法、油组合物、陶瓷材料、及其制法
US8557877B2 (en) 2009-06-10 2013-10-15 Honeywell International Inc. Anti-reflective coatings for optically transparent substrates
EP2466670A1 (fr) 2009-07-31 2012-06-20 Dow Corning Toray Co., Ltd. Matériau actif pour électrode, électrode et dispositif de stockage d'électricité
KR20120055565A (ko) 2009-07-31 2012-05-31 다우 코닝 도레이 캄파니 리미티드 전극활물질，전극 및 축전 디바이스
JP2012178224A (ja) 2011-01-31 2012-09-13 Dow Corning Toray Co Ltd 表面炭素被覆ケイ素含有炭素系複合材料の製造方法
US8864898B2 (en) 2011-05-31 2014-10-21 Honeywell International Inc. Coating formulations for optical elements
JP2013157221A (ja) 2012-01-30 2013-08-15 Dow Corning Toray Co Ltd ケイ素含有炭素系複合材料
WO2016167892A1 (fr) 2015-04-13 2016-10-20 Honeywell International Inc. Formulations de polysiloxane et revêtements pour applications optoélectroniques

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2564674A (en) * 1947-08-07 1951-08-21 Nicholas D Cheronis Preparation of organic silicon compounds
US3146250A (en) * 1961-10-11 1964-08-25 Dow Corning Nitrogen-containing cyclic silanes, their preparation and hydrolysis
IL22431A (en) * 1964-11-12 1968-11-27 Fuchs J Process for the production of disilazanes and the products obtained by this method
US3553242A (en) * 1968-04-26 1971-01-05 Monsanto Co Process for preparing 1,3-disilyl-1,3,2,4-diazadisiletidines
US3755397A (en) * 1971-06-01 1973-08-28 Dow Corning Silylating agent
DE2218960A1 (de) * 1972-04-19 1973-11-08 Bayer Ag Formkoerper aus mogenen mischungen von siliciumcarbid und siliciumnitrid und verfahren zu ihrer erstellung
DE2243527A1 (de) * 1972-09-05 1974-04-18 Bayer Ag Formkoerper aus homogenen mischungen von siliciumcarbid und siliciumnitrid und verfahren zu ihrer herstellung
US3809713A (en) * 1973-03-01 1974-05-07 Union Carbide Corp Process for producing silazane compounds
JPS52112700A (en) * 1976-02-28 1977-09-21 Tohoku Daigaku Kinzoku Zairyo Amorphous organopolysilicone composite for preparing silicone carbide

Also Published As

Publication number Publication date
SE446452B (sv) 1986-09-15
JPS57139124A (en) 1982-08-27
GB2093470B (en) 1984-11-14
FR2500460A1 (fr) 1982-08-27
GB2093470A (en) 1982-09-02
IT1136595B (it) 1986-09-03
AU538466B2 (en) 1984-08-16
FR2500460B1 (fr) 1984-02-17
FI812045L (fi) 1982-08-21
US4312970A (en) 1982-01-26
DK286881A (da) 1982-08-21
IT8121495A0 (it) 1981-05-04
NO158139B (no) 1988-04-11
AU6940181A (en) 1982-08-26
SE8103955L (sv) 1982-08-21
DE3128645A1 (de) 1982-09-16
FI68257B (fi) 1985-04-30
JPS6133857B2 (fr) 1986-08-05
CA1168419A (fr) 1984-06-05
NL8101940A (nl) 1982-09-16
NO158139C (no) 1988-07-20
DE3128645C2 (de) 1987-03-05
NO820517L (no) 1982-08-23
KR830005286A (ko) 1983-08-13
BE888787A (fr) 1981-11-13
KR840001711B1 (ko) 1984-10-16

Similar Documents

Publication Publication Date Title
FI68257C (fi) Foerfarande foer framstaellning av r'3sinh-innehaollande silazanpolymerer och av desamma framstaellda keramiska material och produkter
US4395460A (en) Preparation of polysilazane polymers and the polymers therefrom
FI68256B (fi) Foerfarande foer framstaellning av silazanpolymerer
US4482689A (en) Process for the preparation of polymetallo(disily)silazane polymers and the polymers therefrom
US4404153A (en) Process for the preparation of poly(disilyl)silazane polymers and the polymers therefrom
US4540803A (en) Hydrosilazane polymers from [R3 Si]2 NH and HSiCl3
US4543344A (en) Silicon nitride-containing ceramic material prepared by pyrolysis of hydrosilazane polymers from (R3 Si)2 NH and HSiCl3
US4472591A (en) Hydrosilyl-modified polycarbosilane precursors for silicon carbide
CA1287433C (fr) Polymeres preceramique derives de silazanes et d'halosilazanes cycliques et methode pour leur preparation
EP0175382B1 (fr) Matériaux céramiques à partir de polymères silazanes
DE4114217A1 (de) Organische silazanpolymere, verfahren zu ihrer herstellung, sowie ein verfahren zur herstellung von keramikmaterialien daraus
EP0175383B1 (fr) Matériaux céramiques à partir de polymères silazanes
CA2175415A1 (fr) Resine modifiee a base de silsesquioxane hydrogene
US4608242A (en) Hydrosilyl-modified polycarbosilane precursors for silicon carbide
EP0175384A2 (fr) Matériaux céramiques à cristallinité accrue à partir de polymères silazane
CA1189080A (fr) Methode de preparation de polymeres de poly(disily) silazane, et polymeres ainsi obtenus
Cannady et al. Silicon nitride–containing ceramic material prepared by pyrolysis hydrosilazane polymers from (R3Si) 2NH and HSiCl3

Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: DOW CORNING CORPORATION