Title:
ECO-FRIENDLY COMPOSITE FIBER SPUNBONDED NON-WOVEN FABRIC CONTAINING PLANT-DERIVED POLYETHYLENE AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2021/125643
Kind Code:
A1
Abstract:
An eco-friendly composite fiber spunbonded non-woven fabric containing plant-derived polyethylene according to an embodiment of the present invention is formed by: melting a first component containing polypropylene and a second component containing plant-derived polyethylene in separate extruders, respectively; spinning the respective polymers by using nozzles capable of side-by-side spinning; solidifying the spun filaments by applying cooling air thereto; elongating the solidified filaments through elongation; laying the elongated filaments onto a continuously driven porous screen belt to form non-woven fabric webs; and joining the laid non-woven fabric webs through thermal bonding to impart the shape stability of the non-woven fabric webs.
Inventors:
YUN JAE DEUK (KR)
SEO YOUNG SEOK (KR)
KIM DAE HEE (KR)
SEO YOUNG SEOK (KR)
KIM DAE HEE (KR)
Application Number:
PCT/KR2020/017615
Publication Date:
June 24, 2021
Filing Date:
December 04, 2020
Export Citation:
Assignee:
TORAY ADVANCED MAT KOREA INC (KR)
International Classes:
D04H3/013; D01D5/30; D01F8/06; D04H3/12
Foreign References:
| KR20120121602A | 2012-11-06 | |||
| JP2018199886A | 2018-12-20 | |||
| KR101448385B1 | 2014-10-13 | |||
| KR20140083359A | 2014-07-04 | |||
| JP2018522149A | 2018-08-09 |
Attorney, Agent or Firm:
KIM, Byung Joo (KR)
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