CA1121971A - Methode de preparation du carbure de silicone - Google Patents

Methode de preparation du carbure de silicone

Info

Publication number: CA1121971A
Authority: CA; Canada
Prior art keywords: polysilane; silicon carbide; silicon; flask; weight
Prior art date: 1978-05-30
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

CA000327267A

Other languages

English (en)

Inventor

Ronald H. Baney

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.)

1978-05-30

Filing date

1979-05-09

Publication date

1982-04-20

1979-05-09 Application filed by Dow Corning Corp filed Critical Dow Corning Corp

1982-04-20 Application granted granted Critical

1982-04-20 Publication of CA1121971A publication Critical patent/CA1121971A/fr

Status Expired legal-status Critical Current

Links

229910010271 silicon carbide Inorganic materials 0.000 title claims abstract description 32
HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 title claims abstract description 30
238000000034 method Methods 0.000 title claims abstract description 27
229920000548 poly(silane) polymer Polymers 0.000 claims abstract description 37
YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 27
229910052801 chlorine Inorganic materials 0.000 claims description 15
239000000460 chlorine Substances 0.000 claims description 15
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 13
238000010438 heat treatment Methods 0.000 claims description 13
XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 11
229910052710 silicon Inorganic materials 0.000 claims description 10
WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 8
239000012298 atmosphere Substances 0.000 claims description 7
239000010703 silicon Substances 0.000 claims description 7
GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 6
229910052794 bromium Inorganic materials 0.000 claims description 6
239000000155 melt Substances 0.000 claims description 6
239000000945 filler Substances 0.000 claims description 4
125000001309 chloro group Chemical group Cl* 0.000 claims description 2
229920000642 polymer Polymers 0.000 abstract description 10
238000002360 preparation method Methods 0.000 abstract description 7
238000000605 extraction Methods 0.000 abstract 1
238000000746 purification Methods 0.000 abstract 1
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 26
238000006243 chemical reaction Methods 0.000 description 19
239000000463 material Substances 0.000 description 17
239000003054 catalyst Substances 0.000 description 13
PZPGRFITIJYNEJ-UHFFFAOYSA-N disilane Chemical compound [SiH3][SiH3] PZPGRFITIJYNEJ-UHFFFAOYSA-N 0.000 description 13
229910052757 nitrogen Inorganic materials 0.000 description 13
239000000835 fiber Substances 0.000 description 9
239000000203 mixture Substances 0.000 description 9
229910052736 halogen Inorganic materials 0.000 description 8
150000002367 halogens Chemical class 0.000 description 8
150000004756 silanes Chemical class 0.000 description 7
UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
241000209094 Oryza Species 0.000 description 6
235000007164 Oryza sativa Nutrition 0.000 description 6
229920003257 polycarbosilane Polymers 0.000 description 6
-1 quaternary ammonium halides Chemical class 0.000 description 6
235000009566 rice Nutrition 0.000 description 6
239000000243 solution Substances 0.000 description 6
230000015572 biosynthetic process Effects 0.000 description 5
239000000047 product Substances 0.000 description 5
239000007858 starting material Substances 0.000 description 5
238000003786 synthesis reaction Methods 0.000 description 5
CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 4
KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 4
238000000197 pyrolysis Methods 0.000 description 4
229910052708 sodium Inorganic materials 0.000 description 4
239000011734 sodium Substances 0.000 description 4
238000004458 analytical method Methods 0.000 description 3
229910010293 ceramic material Inorganic materials 0.000 description 3
150000001875 compounds Chemical class 0.000 description 3
LIKFHECYJZWXFJ-UHFFFAOYSA-N dimethyldichlorosilane Chemical compound C[Si](C)(Cl)Cl LIKFHECYJZWXFJ-UHFFFAOYSA-N 0.000 description 3
150000004820 halides Chemical class 0.000 description 3
125000005843 halogen group Chemical group 0.000 description 3
238000002844 melting Methods 0.000 description 3
230000008018 melting Effects 0.000 description 3
239000002244 precipitate Substances 0.000 description 3
239000011541 reaction mixture Substances 0.000 description 3
239000011347 resin Substances 0.000 description 3
229920005989 resin Polymers 0.000 description 3
IBWGNZVCJVLSHB-UHFFFAOYSA-M tetrabutylphosphanium;chloride Chemical compound [Cl-].CCCC[P+](CCCC)(CCCC)CCCC IBWGNZVCJVLSHB-UHFFFAOYSA-M 0.000 description 3
RTCLHEHPUHREBC-UHFFFAOYSA-N 1,1,2,2,3,3,4,4,5,5,6,6-dodecamethylhexasilinane Chemical compound C[Si]1(C)[Si](C)(C)[Si](C)(C)[Si](C)(C)[Si](C)(C)[Si]1(C)C RTCLHEHPUHREBC-UHFFFAOYSA-N 0.000 description 2
XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
239000002253 acid Substances 0.000 description 2
150000001412 amines Chemical class 0.000 description 2
125000004429 atom Chemical group 0.000 description 2
238000009835 boiling Methods 0.000 description 2
125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
235000013339 cereals Nutrition 0.000 description 2
238000000578 dry spinning Methods 0.000 description 2
239000007789 gas Substances 0.000 description 2
239000011521 glass Substances 0.000 description 2
229910052744 lithium Inorganic materials 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
150000001367 organochlorosilanes Chemical class 0.000 description 2
150000003961 organosilicon compounds Chemical class 0.000 description 2
239000000843 powder Substances 0.000 description 2
239000010909 process residue Substances 0.000 description 2
229910000077 silane Inorganic materials 0.000 description 2
239000007787 solid Substances 0.000 description 2
239000002904 solvent Substances 0.000 description 2
238000003756 stirring Methods 0.000 description 2
239000000126 substance Substances 0.000 description 2
239000003039 volatile agent Substances 0.000 description 2
239000008096 xylene Substances 0.000 description 2
ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
239000005046 Chlorosilane Substances 0.000 description 1
WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
229910008045 Si-Si Inorganic materials 0.000 description 1
229910052581 Si3N4 Inorganic materials 0.000 description 1
229910006411 Si—Si Inorganic materials 0.000 description 1
229910000831 Steel Inorganic materials 0.000 description 1
239000003082 abrasive agent Substances 0.000 description 1
150000007513 acids Chemical class 0.000 description 1
239000003513 alkali Substances 0.000 description 1
238000013459 approach Methods 0.000 description 1
239000007864 aqueous solution Substances 0.000 description 1
229910052786 argon Inorganic materials 0.000 description 1
239000012300 argon atmosphere Substances 0.000 description 1
239000008280 blood Substances 0.000 description 1
210000004369 blood Anatomy 0.000 description 1
125000001246 bromo group Chemical group Br* 0.000 description 1
239000006227 byproduct Substances 0.000 description 1
239000000919 ceramic Substances 0.000 description 1
239000007795 chemical reaction product Substances 0.000 description 1
KOPOQZFJUQMUML-UHFFFAOYSA-N chlorosilane Chemical compound Cl[SiH3] KOPOQZFJUQMUML-UHFFFAOYSA-N 0.000 description 1
239000000571 coke Substances 0.000 description 1
238000001816 cooling Methods 0.000 description 1
238000004132 cross linking Methods 0.000 description 1
239000002178 crystalline material Substances 0.000 description 1
125000004122 cyclic group Chemical group 0.000 description 1
238000010790 dilution Methods 0.000 description 1
239000012895 dilution Substances 0.000 description 1
238000004821 distillation Methods 0.000 description 1
230000009977 dual effect Effects 0.000 description 1
SQFXATUXPUCFFO-UHFFFAOYSA-N ethyl 2-[(3,5-dibromo-4-hydroxyphenyl)-(3,5-dibromo-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]benzoate Chemical compound CCOC(=O)C1=CC=CC=C1C(C=1C=C(Br)C(O)=C(Br)C=1)=C1C=C(Br)C(=O)C(Br)=C1 SQFXATUXPUCFFO-UHFFFAOYSA-N 0.000 description 1
238000001914 filtration Methods 0.000 description 1
239000012467 final product Substances 0.000 description 1
239000012530 fluid Substances 0.000 description 1
238000005194 fractionation Methods 0.000 description 1
239000001307 helium Substances 0.000 description 1
229910052734 helium Inorganic materials 0.000 description 1
SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
239000011261 inert gas Substances 0.000 description 1
229910052740 iodine Inorganic materials 0.000 description 1
239000011630 iodine Substances 0.000 description 1
229910052742 iron Inorganic materials 0.000 description 1
239000007788 liquid Substances 0.000 description 1
239000000289 melt material Substances 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
150000002739 metals Chemical class 0.000 description 1
238000002156 mixing Methods 0.000 description 1
239000000178 monomer Substances 0.000 description 1
238000012856 packing Methods 0.000 description 1
229920000555 poly(dimethylsilanediyl) polymer Polymers 0.000 description 1
229920005594 polymer fiber Polymers 0.000 description 1
239000000376 reactant Substances 0.000 description 1
230000008707 rearrangement Effects 0.000 description 1
238000001953 recrystallisation Methods 0.000 description 1
238000010992 reflux Methods 0.000 description 1
238000011160 research Methods 0.000 description 1
238000012827 research and development Methods 0.000 description 1
238000007086 side reaction Methods 0.000 description 1
239000000377 silicon dioxide Substances 0.000 description 1
HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
229920005573 silicon-containing polymer Polymers 0.000 description 1
LFAGQMCIGQNPJG-UHFFFAOYSA-N silver cyanide Chemical compound [Ag+].N#[C-] LFAGQMCIGQNPJG-UHFFFAOYSA-N 0.000 description 1
229940098221 silver cyanide Drugs 0.000 description 1
238000001577 simple distillation Methods 0.000 description 1
239000011343 solid material Substances 0.000 description 1
238000009987 spinning Methods 0.000 description 1
239000010959 steel Substances 0.000 description 1
238000000859 sublimation Methods 0.000 description 1
230000008022 sublimation Effects 0.000 description 1
238000004448 titration Methods 0.000 description 1
239000011345 viscous material Substances 0.000 description 1
238000005406 washing Methods 0.000 description 1
239000002699 waste material Substances 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1

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

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Organic Chemistry (AREA)
Nanotechnology (AREA)
Health & Medical Sciences (AREA)
Materials Engineering (AREA)
Chemical Kinetics & Catalysis (AREA)
Crystallography & Structural Chemistry (AREA)
Ceramic Engineering (AREA)
Physics & Mathematics (AREA)
Medicinal Chemistry (AREA)
Composite Materials (AREA)
Condensed Matter Physics & Semiconductors (AREA)
General Physics & Mathematics (AREA)
Inorganic Chemistry (AREA)
Polymers & Plastics (AREA)
General Health & Medical Sciences (AREA)
Manufacturing & Machinery (AREA)
General Chemical & Material Sciences (AREA)
Structural Engineering (AREA)
Silicon Polymers (AREA)
Ceramic Products (AREA)
Carbon And Carbon Compounds (AREA)

CA000327267A 1978-05-30 1979-05-09 Methode de preparation du carbure de silicone Expired CA1121971A (fr)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date
US91024778A	1978-05-30	1978-05-30
US910,247		1978-05-30
US2413779A	1979-03-26	1979-03-26
US24,137		1979-03-26

Publications (1)

Publication Number	Publication Date
CA1121971A true CA1121971A (fr)	1982-04-20

Family

ID=26698093

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000327267A Expired CA1121971A (fr)	1978-05-30	1979-05-09	Methode de preparation du carbure de silicone

Country Status (10)

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

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
US4298559A (en) *	1980-07-23	1981-11-03	Dow Corning Corporation	High yield silicon carbide from alkylated or arylated pre-ceramic polymers
US4310481A (en) *	1980-07-23	1982-01-12	Dow Corning Corporation	High yield silicon carbide pre-ceramic polymers
US4298558A (en) *	1980-07-23	1981-11-03	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
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 (de) *	1959-07-17	1966-10-06	Wacker Chemie Gmbh	Verfahren zur Herstellung von hochreinem kristallinem Siliciumcarbid
DE1302312B (fr) *	1959-07-17	1972-03-09	Wacker Chemie Gmbh
DE2236078A1 (de) *	1972-07-22	1974-03-21	Bayer Ag	Formkoerper aus siliciumcarbid und verfahren zu ihrer herstellung
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

1979
- 1979-05-09 CA CA000327267A patent/CA1121971A/fr not_active Expired
- 1979-05-16 GB GB7917110A patent/GB2024789B/en not_active Expired
- 1979-05-28 DE DE2921570A patent/DE2921570C3/de not_active Expired
- 1979-05-29 BR BR7903370A patent/BR7903370A/pt unknown
- 1979-05-29 IT IT7923078A patent/IT1121520B/it active
- 1979-05-29 SE SE7904662A patent/SE437654B/sv not_active IP Right Cessation
- 1979-05-29 FR FR7913609A patent/FR2427301A1/fr active Granted
- 1979-05-29 AU AU47531/79A patent/AU526855B2/en not_active Ceased
- 1979-05-30 NL NLAANVRAGE7904254,A patent/NL178069C/xx not_active IP Right Cessation
- 1979-05-30 CH CH505579A patent/CH640803A5/de not_active IP Right Cessation

Also Published As

Publication number	Publication date
DE2921570A1 (de)	1979-12-20
CH640803A5 (de)	1984-01-31
NL178069B (nl)	1985-08-16
SE437654B (sv)	1985-03-11
AU526855B2 (en)	1983-02-03
GB2024789B (en)	1982-07-28
BR7903370A (pt)	1979-12-11
DE2921570C3 (de)	1982-02-25
AU4753179A (en)	1979-12-06
FR2427301A1 (fr)	1979-12-28
IT1121520B (it)	1986-04-02
FR2427301B1 (fr)	1984-03-09
SE7904662L (sv)	1980-02-06
NL7904254A (nl)	1979-12-04
DE2921570B2 (de)	1981-03-12
NL178069C (nl)	1986-01-16
IT7923078A0 (it)	1979-05-29
GB2024789A (en)	1980-01-16

Legal Events

Date	Code	Title	Description
1999-04-20	MKEX	Expiry

Publication	Publication Date	Title
US4310651A (en)	1982-01-12	Method for preparing silicon carbide
EP0051855B1 (fr)	1985-01-30	Méthode de préparation de polycarbosilanes
US4546163A (en)	1985-10-08	Silicon carbide preceramic vinyl-containing polymers
KR840001536B1 (ko)	1984-10-04	폴리실란의 제조방법
EP0167306B1 (fr)	1990-05-16	Matériau céramique contenant du nitrure de silicium
CA1171871A (fr)	1984-07-31	Preparation de polysilanes, et obtention simultanee de produits ceramiques a base de carbure de silicium
CA1155865A (fr)	1983-10-25	Prepolymeres de polysilane utilises pour la fabrication de produits ceramiques a base de carbure de silicium
EP0030105B1 (fr)	1985-04-10	Polymétallocarbosilane, procédé pour sa préparation et articles façonnés en carbure de silicium en étant dérivés
US4783516A (en)	1988-11-08	Polysilane precursors containing olefinic groups for silicon carbide
US4687657A (en)	1987-08-18	Fabrication of SiC - AlN alloys
US4472591A (en)	1984-09-18	Hydrosilyl-modified polycarbosilane precursors for silicon carbide
JPS6353293B2 (fr)	1988-10-21
EP0167230A2 (fr)	1986-01-08	Fibres continues inorganiques en Si, N et O et procédé pour leur fabrication
US4800221A (en)	1989-01-24	Silicon carbide preceramic polymers
CA1309102C (fr)	1992-10-20	Procede de preparation de metallopololysilanes preceramiques et polymeres obtenus
CA1281477C (fr)	1991-03-12	Methode de conversion de si-h a teneur de polysiloxanes en polymeres preceramiques en materiaux ceramiques nouveau genre et utiles
US4550151A (en)	1985-10-29	Organoborosilicon polymer and a method for the preparation thereof
US4806612A (en)	1989-02-21	Preceramic acetylenic polysilanes
CA1121971A (fr)	1982-04-20	Methode de preparation du carbure de silicone
US4497787A (en)	1985-02-05	Branched polycarbosilanes and their use in the production of silicon carbide
US4534948A (en)	1985-08-13	Method for preparing silicon carbide
US4595472A (en)	1986-06-17	Silicon carbide preceramic vinyl-containing polymers
EP0596680A2 (fr)	1994-05-11	Dérivés borazine de polymères d'hydridopolysilazane
JPH0238127B2 (fr)	1990-08-29
CA1318442C (fr)	1993-05-25	Polymeres preceramiques de polysilane