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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.

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Inventors:
SUGIMOTO TAKESHI (JP)
MITSUNAGA REO (JP)
MORI TATSUYA (JP)
KOBAYASHI YUMA (JP)
Application Number:
PCT/JP2018/045684
Publication Date:
June 27, 2019
Filing Date:
December 12, 2018
Export Citation:
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Assignee:
TORAY INDUSTRIES (JP)
International Classes:
D01F6/76; B01D39/16; D04H1/4326; D04H1/4382
Domestic Patent References:
WO2006059509A12006-06-08
WO2013125514A12013-08-29
Foreign References:
JP2012127018A2012-07-05
JP2014080716A2014-05-08
JP2009215680A2009-09-24
JP2009209509A2009-09-17
JP2007031845A2007-02-08
JPH02216214A1990-08-29
JP2012246599A2012-12-13
JP2015067919A2015-04-13
Other References:
See also references of EP 3730680A4
Download PDF:
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