Title:
ACTUALIZED CRIMPED COMPOSITE SHORT FIBER AND PROCESS FOR PRODUCTION THEREOF, FIBER ASSEMBLY, AND SANITARY ARTICLE
Document Type and Number:
WIPO Patent Application WO/2012/105602
Kind Code:
A1
Abstract:
A composite short fiber comprising a first component and a second component, wherein the first component (1) comprises a linear polyethylene having a density of 0.90-0.94 g/cm3 and a low-density polyethylene, the second component (2) contains 50 mass% or more of a polyester having a melting point that is higher by 40°C or more than the melting point of the linear polyethylene that constitutes the first component, the first component (1) makes up at least 20% of the surface of the fiber in the cross section of the fiber, and the two components are arranged in such a manner that the position of the gravity center of the second component (2) is deviated from the position of the gravity center of the fiber. In this manner, an actualized crimped composite short fiber having at least one crimping form selected from a wavy crimping form and a spiral crimping form can be produced.
Inventors:
OKAYA HIROSHI (JP)
HARUMOTO KOSUKE (JP)
YUDAZONO TAKURO (JP)
HARUMOTO KOSUKE (JP)
YUDAZONO TAKURO (JP)
Application Number:
PCT/JP2012/052251
Publication Date:
August 09, 2012
Filing Date:
February 01, 2012
Export Citation:
Assignee:
DAIWABO HOLDINGS CO LTD (JP)
DAIWABO POLYTEC CO LTD (JP)
OKAYA HIROSHI (JP)
HARUMOTO KOSUKE (JP)
YUDAZONO TAKURO (JP)
DAIWABO POLYTEC CO LTD (JP)
OKAYA HIROSHI (JP)
HARUMOTO KOSUKE (JP)
YUDAZONO TAKURO (JP)
International Classes:
D01F8/06; A61F13/511; D01F8/14; D04H1/541
Foreign References:
| JPS6110583B2 | 1986-03-29 | |||
| JP2008274473A | 2008-11-13 | |||
| JPS6392722A | 1988-04-23 | |||
| JP4315663B2 | 2009-08-19 |
Attorney, Agent or Firm:
SAMEJIMA, Mutsumi et al. (JP)
Mutsumi Sameshima (JP)
Mutsumi Sameshima (JP)
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Claims: