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Patent Searching and Data


Title:
HEAT-BONDABLE COMPOSITE FIBER, MANUFACTURING METHOD FOR SAME, AND NON-WOVEN FABRIC USING HEAT-BONDABLE COMPOSITE FIBER
Document Type and Number:
WIPO Patent Application WO/2022/050189
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a heat-bondable composite fiber from which a non-woven fabric that has an excellent texture and excellent shaping properties can be obtained. Provided is a heat-bondable composite fiber which comprises a first component that contains a polyester-based resin and a second component that contains a polyolefin-based resin having a melting point lower than that of the polyester-based resin by 15°C or more and which has a concentric core-shell structure in which, in a cross section of a fiber perpendicular to the lengthwise direction of the fiber, the second component occupies the outer circumference of the fiber, wherein elongation at break is 350% or more, and the ratio of elongation at break to fineness is 80%/dtex or more.

Inventors:
YONEDA SATOSHI (JP)
Application Number:
PCT/JP2021/031561
Publication Date:
March 10, 2022
Filing Date:
August 27, 2021
Export Citation:
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Assignee:
ES FIBERVISIONS CO LTD (JP)
ES FIBERVISIONS HONG KONG LTD (CN)
ES FIBERVISIONS LP (US)
ES FIBERVISIONS APS (DK)
International Classes:
D01F8/06; D01F8/14; D04H1/541
Foreign References:
JP2018165416A2018-10-25
JP2016079551A2016-05-16
JP2000336526A2000-12-05
JP2008274448A2008-11-13
Attorney, Agent or Firm:
MINORI PATENT PROFESSION CORPORATION (JP)
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