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Title:
POLYPHENYLENE SULFIDE SHORT FIBER, FIBROUS STRUCTURE, FILTER FELT, AND BAG FILTER
Document Type and Number:
WIPO Patent Application WO/2019/124189
Kind Code:
A1
Abstract:
Provided is a polyphenylene sulfide short fiber having a monofilament fineness of 0.70 to 0.95 dtex, a strength of 4.5 to 5.5 cN/dtex, a fiber length of 20 to 100 mm, and a melt flow rate (MFR) value of 200 to 295 g/10 min. This polyphenylene sulfide short fiber enables improvements to be made in the dust collection performance and mechanical strength without impairing the fiber productivity or felt productivity.

Inventors:
SUGIMOTO, Takeshi (Toray Industries Inc., 1515, Oaza-tsutsui, Masaki-cho, Iyo-gu, Ehime 93, 〒7913193, JP)
MITSUNAGA, Reo (Toray Industries Inc., 1515, Oaza-tsutsui, Masaki-cho, Iyo-gu, Ehime 93, 〒7913193, JP)
MORI, Tatsuya (Toray Industries Inc., 3-3, Nakanoshima 3-chome, Kita-ku, Osaka-sh, Osaka 22, 〒5308222, JP)
KOBAYASHI, Yuma (Toray Industries Inc., 1515, Oaza-tsutsui, Masaki-cho, Iyo-gu, Ehime 93, 〒7913193, JP)
Application Number:
JP2018/045684
Publication Date:
June 27, 2019
Filing Date:
December 12, 2018
Export Citation:
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Assignee:
TORAY INDUSTRIES, INC. (1-1 Nihonbashi-Muromachi 2-chome, Chuo-ku Tokyo, 66, 〒1038666, JP)
International Classes:
D01F6/76; B01D39/16; D04H1/4326; D04H1/4382
Domestic Patent References:
WO2006059509A12006-06-08
Foreign References:
JP2012127018A2012-07-05
JP2014080716A2014-05-08
JP2009215680A2009-09-24
JP2009209509A2009-09-17
JP2007031845A2007-02-08
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