PRODUCTION OF SILICON CARBIDE FIBER
A process for preparing silicon carbide fibers, which comprises spinning a copolymer obtained by reacting at least one disilane of the formula R2R1Si2(OCH3)3 in which R represents the same or different alkyl, alkenyl or aryl radicals and R1 represents the same or different alkyl radicals, which may...
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| creator | BERUNTO PAHIYARII NORUBERUTO TSUERAA FUORUKAA FURAI |
| description | A process for preparing silicon carbide fibers, which comprises spinning a copolymer obtained by reacting at least one disilane of the formula R2R1Si2(OCH3)3 in which R represents the same or different alkyl, alkenyl or aryl radicals and R1 represents the same or different alkyl radicals, which may optionally be mixed with a compound of the formula R2Si2(OCH3)4 in which R is the same as above, with at least one compound of the formula R2R2SiH in which R is the same as above and R2 represents a methoxy radical or is the same as R, in the presence of at least one compound of the formula MOR in which R is the same as above and M represents an alkali metal, and a compound of the formula HO-(R1R3SiO)x(R21SiO)y-nH in which R1 is the same as above, R3 represents the same or different alkenyl radicals, x is in the range of from 0.5 to 1.5, y is in the range of from 3 to 5 and n is in the range of from 500 to 2,000 into fibers and thereafter reacting the fibers under an inert atmosphere or in vacuo at temperatures in the range of from 800 DEG to 1,300 DEG C. |
| format | Patent |
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| subjects | APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS ARTIFICIAL STONE CEMENTS CERAMICS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS COMPOUNDS THEREOF CONCRETE INORGANIC CHEMISTRY LIME, MAGNESIA MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY NATURAL OR ARTIFICIAL THREADS OR FIBRES NON-METALLIC ELEMENTS ORGANIC MACROMOLECULAR COMPOUNDS REFRACTORIES SLAG SPINNING TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF NATURAL STONE |
| title | PRODUCTION OF SILICON CARBIDE FIBER |
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