Inorganic oxide fibres and their production

Details Inorganic oxide fibres and their production Inorganic oxide fibres and their production

D - Textiles, Paper

01

F

18/576, 75/1.3

D01F 9/08 (2006.01) C04B 35/10 (2006.01) C04B 35/622 (2006.01)

Patent

CA 1313443

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°C above the fibre spinning temperature, preferably within the range of 5-15°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.

583966

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