Process for producing inorganic fiber

Details Process for producing inorganic fiber Process for producing inorganic fiber

C - Chemistry, Metallurgy

04

B

23/242, 18/576,

C04B 35/00 (2006.01) C04B 35/622 (2006.01)

Patent

CA 1233930

ABSTRACT OF THE DISCLOSURE A new process for producing an inorganic fiber of superior tensile strength and modulus of elasticity, which comprises spinning a spinning solution in organic solvent of polymetaloxane or polysiloxane of good spinnability to form a precursor fiber, and calcining said precursor fiber, wherein said solution containing polymetaloxane or polysiloxane comprising 0.1-95 mole % of a structural unit represented by the following general formula [A] and 99.9-5 mole % of the following formula [B]: [A] Image and/or Image [B] Image and/or Image wherein M represents a trivalent or tetravalent metal atom or a silicon atom, X1 represents a group of the formula Image where Y and m are as hereafter or an alkyl group, alkoxy group, acyl group, hydrogen, nitro or halogen, X2 and X3 represent an alkyl group, alkoxy group or acyl group, Y represents an alkoxy group; acyl group; alkoxy carbonyl group; cyano group; alkenyl group; phenyl group; phenoxy group, nitro group or halogen atom and m represents an integer from 1 to 3.

416211

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