SPUN YARN, METHOD FOR PRODUCING SAME, AND CLOTH CONTAINING SAME

WIPO Patent Application WO/2019/146787

A1

The present invention relates to a spun yarn which contains more than 50% by mass of polypropylene-based fibers each having a moisture content of less than 0.15% by mass, in which the number of fluffs each having a length of 3 mm or more is 40 fluffs/10 m or less, the porosity is 40 to 65% and the twist coefficient is 2.4 to 6.0 or, alternatively, the number of fluffs each having a length of 3 mm or more is 40 fluffs/10 m or less and the twist angle is 23° or more. The present invention also relates to a spun yarn which contains 5% by mass or more of polypropylene-based fibers each having a moisture content of 0.15% by mass or more as measured in accordance with JIS L 1015(2010), in which the number of fluffs each having a length of 3 mm or more is 40 fluffs/10 m or less, the porosity is 40 to 65% and the twist coefficient is 2.4 to 6.0 or, alternatively, the number of fluffs each having a length of 3 mm or more is 40 fluffs/10 m or less and the twist angle is 23° or more. It becomes possible to provide: a spun yarn which contains polypropylene-based fibers and can improve the antipilling properties of a cloth; a method for producing the spun yarn; and a cloth containing the spun yarn.

NISHIYAMA TOYOKAZU
YAMAUCHI HIROSHI
MIZUHASHI HIDEAKI

PCT/JP2019/002793

August 01, 2019

January 28, 2019

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DAIWABO HOLDINGS CO LTD (JP)
DAIWABO NEU CO LTD (JP)

D02G3/36; D02G3/28; D03D15/00; D04B1/16; D06M15/53

EP0742296A1	1996-11-13
JPH02175939A	1990-07-09
JP2017186709A	2017-10-12
JP2017025435A	2017-02-02
JP2005146426A	2005-06-09

IKEUCHI & PARTNERS (JP)

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