Title:
METHOD FOR PRODUCING UNCRIMPED SHORT FIBERS AND WET-LAID NONWOVEN FABRIC COMPRISING OBTAINED UNCRIMPED SHORT FIBERS
Document Type and Number:
WIPO Patent Application WO/2018/139651
Kind Code:
A1
Abstract:
Provided is a method for producing uncrimped short fibers of excellent water dispersibility more efficiently. A method for producing uncrimped short fibers by spinning at a spinning rate of at least 600 m/min and cutting the fiber tow to lengths of not more than 35 mm at a rate equal to or greater than said spinning rate is characterized in satisfying the requirements (I)-(III): (I) the unstretched multifilament immediately after spinning is made into a fiber tow as such or bundling multiple strands; (II) said bundled fiber tow is cut continually without being placed in a can; and (III) the method has a step for applying hydrophilic oil at one or more points from the unstretched multifilament immediately after spinning until prior to fiber tow cutting.
Inventors:
BAN NORITAKA (JP)
GODA HIRONORI (JP)
IMAI YASUSHI (JP)
NOMIYAMA CHIO (JP)
HANAWA SHOHEI (JP)
KATSUDA TAKESHI (JP)
GODA HIRONORI (JP)
IMAI YASUSHI (JP)
NOMIYAMA CHIO (JP)
HANAWA SHOHEI (JP)
KATSUDA TAKESHI (JP)
Application Number:
PCT/JP2018/002771
Publication Date:
August 02, 2018
Filing Date:
January 29, 2018
Export Citation:
Assignee:
TEIJIN FRONTIER CO LTD (JP)
International Classes:
D06H7/04; D01G1/10
Domestic Patent References:
| WO2014192746A1 | 2014-12-04 |
Foreign References:
| JP2009221611A | 2009-10-01 | |||
| JP2012112079A | 2012-06-14 | |||
| JP2002339287A | 2002-11-27 | |||
| JP2014070303A | 2014-04-21 | |||
| JP2015129356A | 2015-07-16 |
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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