Process for producing alumina-based fiber

Details Process for producing alumina-based fiber Process for producing alumina-based fiber

D - Textiles, Paper

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D01F 9/08 (2006.01) C04B 35/622 (2006.01) C08G 77/58 (2006.01) C08G 79/10 (2006.01) D01F 9/10 (2006.01) D01F 11/00 (2006.01)

Patent

CA 1297658

ABSTRACT: An organic solution of AlR1R2R3 (R1, R2 and R3: organic group or halogen) is reacted with water of the molar ratio of 1.01 to 1.45 to prepare a polyaluminoxane. The polyaluminoxane is mixed with a silicon-containing compound, and the mixture is spun into precursor fibers, which are calcinated to obtain fibers containing aluminum- oxide and up to 70 W% of silica. The alumina-based fibers have excellent mechanical properties and heat resistance.

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