Process for the manufacture of ceramic oxide fibers from solvent

Glass manufacturing – Processes – Forming product or preform from molten glass

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65 6, 65 8, 65 14, 65 15, 264 8, 423607, 423610, 423625, 423626, C03B 3702, C03B 3704

Patent

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042772699

ABSTRACT:
A process and apparatus for the manufacture of ceramic oxide fibers from solvent solution. The process comprises spinning a solution of a ceramic oxide precursor through openings having a diameter of from about 0.3 to about 1.5 millimeters, attenuating the resulting fibers with a stream of air to a diameter of less than 10 microns and heating the fibers in an oxygen atmosphere to form ceramic oxide fibers having a diameter of less than 5 microns. The apparatus comprises a hollow rotatable disc having about 0.3 to about 1.5 millimeter holes in its circumferential edge; means for rotatably mounting the disc; means for introducing a solution of a ceramic oxide precursor into the disc; means for rotating the disc to force solution through the openings in fiber form; means for attenuating the fibers with a stream of air; and means for calcining the fibers.

REFERENCES:
patent: Re24708 (1959-09-01), Heymes et al.
patent: 3485611 (1969-12-01), Blaze
patent: 4159205 (1979-06-01), Miyashara et al.

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