Title:
NONWOVEN FABRIC OF CRIMPED CONJUGATE FIBERS, LAMINATE THEREOF, AND PRODUCT
Document Type and Number:
WIPO Patent Application WO/2021/006528
Kind Code:
A1
Abstract:
Disclosed are nonwoven fabric of crimped conjugate fibers, a laminate thereof, and a product. The disclosed nonwoven fabric of crimped conjugate fibers comprises a first propylene-based polymer and a second propylene-based polymer, wherein the melting point of the second propylene-based polymer measured by a differential scanning calimeter (DSC) is 30℃ higher than the melting point of the first propylene-based polymer, a ratio (the second propylene-based polymer/the first propylene-based polymer) between melt flow rates (MFR: measured temperature 230℃, weight 2.16 kg), measured according to ASTM D1238, of the first and second propylene-based polymers is 1.7 or higher, a component ratio expressed as the first propylene-based polymer/the second propylene-based polymer (weight ratio) is 50/50 to 10/90, and the hydrotrope impregnation rate (OPU) is 0.7% or lower.
Inventors:
JUNG JIN IL (KR)
PARK SEO JIN (KR)
SEO YEONG SEOK (KR)
KIM DAE HEE (KR)
JOO WON CHUL (KR)
PARK SEO JIN (KR)
SEO YEONG SEOK (KR)
KIM DAE HEE (KR)
JOO WON CHUL (KR)
Application Number:
PCT/KR2020/008545
Publication Date:
January 14, 2021
Filing Date:
June 30, 2020
Export Citation:
Assignee:
TORAY ADVANCED MAT KOREA INC (KR)
International Classes:
D04H3/007; B32B5/02; D01D5/30; D01D5/34; D01F8/06; D04H3/05
Domestic Patent References:
| WO2010050407A1 | 2010-05-06 |
Foreign References:
| KR20030071869A | 2003-09-06 | |||
| JPH11323715A | 1999-11-26 | |||
| KR20040009721A | 2004-01-31 | |||
| KR101483363B1 | 2015-01-16 |
Attorney, Agent or Firm:
Y.P.LEE, MOCK & PARTNERS (KR)
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