Title:
POLYVINYL-ALCOHOL-BASED FIBER, FIBER STRUCTURE, AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2022/138241
Kind Code:
A1
Abstract:
The present invention provides: a polyvinyl-alcohol-based fiber containing at least 1 mol% of at least one functional group selected from the group comprising sulfonic acid groups, sulfonate groups, maleic acid groups, itaconic acid groups, acrylic acid groups, and methacrylic acid groups, the degree of crosslinking being 0%, and the tensile strength being at least 3 cN/dtex; a method for manufacturing said polyvinyl-alcohol-based fiber; and a fiber structure using the fiber. Provided are: a polyvinyl-alcohol-based fiber having exceptional water absorption, water solubility, and mechanical strength; a fiber structure comprising said fiber; and a method for manufacturing the polyvinyl-alcohol-based fiber.
Inventors:
IWACHIDO NAOYUKI (JP)
ENDO RYOKEI (JP)
NONAKA YOSHIMI (JP)
SHIMABUKURO OSAMU (JP)
ENDO RYOKEI (JP)
NONAKA YOSHIMI (JP)
SHIMABUKURO OSAMU (JP)
Application Number:
PCT/JP2021/045575
Publication Date:
June 30, 2022
Filing Date:
December 10, 2021
Export Citation:
Assignee:
KURARAY CO (JP)
International Classes:
D01F6/34
Foreign References:
| JP2000136430A | 2000-05-16 | |||
| JP2002235236A | 2002-08-23 | |||
| JPH0314613A | 1991-01-23 | |||
| JP2001262432A | 2001-09-26 | |||
| JP2008235047A | 2008-10-02 | |||
| JP2004293022A | 2004-10-21 | |||
| JP2004293022A | 2004-10-21 | |||
| JP2020507687A | 2020-03-12 |
Attorney, Agent or Firm:
KOMAI Shinji (JP)
Download PDF: