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Alumina fibers, alumina fiber aggregate, and retaining material for use in exhaust gas purification device
The present invention relates to an alumina fiber having a mass ratio (A/C) of the content (A) of iron oxide as expressed in terms of ferric oxide to the content (C) of titanium oxide of 2 to 121; and a mass ratio (B/C) of the content (B) of calcium oxide to the content (C) of titanium oxide of 0.4 to 14, with a sum total of the content (A) of iron oxide, the content (B) of calcium oxide, and the content (C) of titanium oxide being 0.0170 to 0.1180% by mass.
Alumina fibers, alumina fiber aggregate, and retaining material for use in exhaust gas purification device
The present invention relates to an alumina fiber having a mass ratio (A/C) of the content (A) of iron oxide as expressed in terms of ferric oxide to the content (C) of titanium oxide of 2 to 121; and a mass ratio (B/C) of the content (B) of calcium oxide to the content (C) of titanium oxide of 0.4 to 14, with a sum total of the content (A) of iron oxide, the content (B) of calcium oxide, and the content (C) of titanium oxide being 0.0170 to 0.1180% by mass.
Alumina fibers, alumina fiber aggregate, and retaining material for use in exhaust gas purification device
AIKYO TERUHIRO (author) / OSHIMA YASUTAKA (author) / OHASHI HIROYUKI (author)
2022-05-03
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
/
B01J
Chemische oder physikalische Verfahren, z.B. Katalyse oder Kolloidchemie
,
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY
/
D01F
Chemische Gesichtspunkte bei der Herstellung von produzierten Filamenten, Zwirnen, Fasern, Borsten oder Bändern
,
CHEMICAL FEATURES IN THE MANUFACTURE OF MAN-MADE FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
/
D04H
Herstellen von flächigem Textilgut, z.B. aus Fasern oder fadenförmigem Material
,
MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL
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