Method of producing inorganic oxide fibers with axially aligned

Details Method of producing inorganic oxide fibers with axially aligned Method of producing inorganic oxide fibers with axially aligned

1991-05-30

1993-01-05

Lowe, James

Plastic and nonmetallic article shaping or treating: processes

Formation of solid particulate material directly from molten...

By extrusion spraying or gravity fall through orifice

264 44, 264204, 26421111, 26421112, B29B 900, B29C 6500, B29C 4788

Patent

active

051768577

ABSTRACT:
A porous low density inorganic oxide fibre of improved strength and flexibility has at least 25% of the porosity provided by axially aligned pores. The fibres are produced by spinning into fibres a spinning solution in which is incorporated a non-ionic surface active agent having a cloud point in the solution above the fibre spinning temperature and less than 20.degree. C. above the fibre spinning temperature, preferably within the range of 5.degree.-15.degree. C. above the fibre spinning temperature. The fibre may be an alumina fibre which can be free from silica and is useful as reinforcement in MMCs.

REFERENCES:
patent: 3846527 (1974-11-01), Winter et al.
patent: 3853688 (1974-12-01), D'Ambrosio
patent: 3950478 (1976-04-01), Kenworthy et al.
patent: 3953561 (1976-04-01), Shin
patent: 3996145 (1976-12-01), Hepburn
patent: 4125406 (1978-11-01), Sowman
patent: 4166147 (1979-08-01), Lange et al.
patent: 4792478 (1988-12-01), Taylor et al.
Chemical Abstracts, vol. 102, No. 20, Abstract No. 169158t (1985); vol. 103, No. 10, Abstract No. 75149j (1985).

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