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Title:
MANUFACTURING METHOD FOR CONTINUOUS ALUMINA FIBER SHEET, AND CONTINUOUS ALUMINA FIBER SHEET
Document Type and Number:
WIPO Patent Application WO/2018/079468
Kind Code:
A1
Abstract:
Provided is a manufacturing method for a continuous alumina fiber sheet, the method comprising: (I) a step for obtaining an alumina fiber precursor by spinning a spinning dope that has an aluminum compound and a silicon compound as main components; (II) a step for depositing the alumina fiber precursor on an accumulating device to make a precursor continuous sheet; (III) a step for slicing a surface layer of the sheet with a slicer apparatus (1) and thereby smoothing the precursor continuous sheet; (IV) a step for performing an interlacing operation on the precursor continuous sheet via needling; and (V) a step for firing the precursor continuous sheet. Also provided is a continuous alumina fiber sheet in which the variation in the friction coefficient of at least one surface thereof is 10% or less.

Inventors:
OHSHIMA, Yasutaka (2209 Oaza Omi, Itoigawa-cit, Niigata 93, 〒9490393, JP)
FUJI, Kohichi (2209 Oaza Omi, Itoigawa-cit, Niigata 93, 〒9490393, JP)
NOZAWA, Kazumi (2209 Oaza Omi, Itoigawa-cit, Niigata 93, 〒9490393, JP)
Application Number:
JP2017/038145
Publication Date:
May 03, 2018
Filing Date:
October 23, 2017
Export Citation:
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Assignee:
DENKA COMPANY LIMITED (1-1 Nihonbashi-Muromachi 2-chome, Chuo-ku Tokyo, 38, 〒1038338, JP)
International Classes:
D04H1/4209; D04H1/46; D06C7/04; D01F9/08
Foreign References:
JP2006152474A2006-06-15
JP2012001638A2012-01-05
JP2003236739A2003-08-26
JP2007299445A2007-11-15
JP2009535143A2009-10-01
Attorney, Agent or Firm:
TAGUCHI, Masahiro et al. (DAIYA PATENT OFFICE, Toranomon ES Bldg. 8F. 25-2, Toranomon 3-chome, Minato-k, Tokyo 01, 〒1050001, JP)
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