Title:
POLYPHENYLENE SULFIDE STAPLE FIBER, AND FILTER FABRIC FORMED FROM SAME
Document Type and Number:
WIPO Patent Application WO/2021/161557
Kind Code:
A1
Abstract:
Polyphenylene sulfide staple fiber characterized by being formed from fibers having at least two different single-fiber finenesses, and moreover characterized in that the mixed fiber uniformity is less than 3.0. Provided is PPS stable fiber for which a cotton blend step during production of a filter fabric is simplified and with which it is possible to improve dust detachment properties, improve the efficiency of dust capture, and reduce pressure loss.
Inventors:
KOBAYASHI YUMA (JP)
SUGIMOTO TAKESHI (JP)
SUGIMOTO TAKESHI (JP)
Application Number:
PCT/JP2020/030537
Publication Date:
August 19, 2021
Filing Date:
August 11, 2020
Export Citation:
Assignee:
TORAY INDUSTRIES (JP)
International Classes:
B01D39/16; D01F6/76; D04H1/4326
Foreign References:
| JP2014152407A | 2014-08-25 | |||
| JP2012067414A | 2012-04-05 | |||
| JP2006257618A | 2006-09-28 | |||
| JP2004185860A | 2004-07-02 | |||
| JP2011202305A | 2011-10-13 | |||
| CN106283235A | 2017-01-04 | |||
| JP2010064075A | 2010-03-25 | |||
| JPH1064502A | 1998-03-06 | |||
| JPS61289162A | 1986-12-19 |
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