Title:
THERMOPLASTIC POLYURETHANE ELASTIC FIBER, WOUND BODY OF SAME, GATHER AND SANITARY MATERIALS CONTAINING SAID THERMOPLASTIC POLYURETHANE ELASTIC FIBER, AND METHOD FOR PRODUCING SAID POLYURETHANE ELASTIC FIBER
Document Type and Number:
WIPO Patent Application WO/2023/286651
Kind Code:
A1
Abstract:
The present invention provides: a thermoplastic polyurethane elastic fiber which has both recoverability and unwindability; a wound body of this thermoplastic polyurethane elastic fiber; and a gather member and a sanitary material, each of which comprises this thermoplastic polyurethane elastic fiber. The present invention relates to: a thermoplastic polyurethane elastic fiber which is characterized by containing 0.05 ppm to 100 ppm of at least one substance that is selected from the group consisting of dimethyl acetamide (DMAc), dimethyl formamide (DMF), dimethyl sulfoxide (DMSO) and N-methyl pyrrolidone (NMP); a wound body of this thermoplastic polyurethane elastic fiber; gather and sanitary materials, each of which comprises this thermoplastic polyurethane elastic fiber; and a method for producing this thermoplastic polyurethane elastic fiber.
Inventors:
GOTO HIDEYUKI (JP)
Application Number:
PCT/JP2022/026616
Publication Date:
January 19, 2023
Filing Date:
July 04, 2022
Export Citation:
Assignee:
ASAHI CHEMICAL IND (JP)
International Classes:
D01F6/70; C08G18/32; C08G18/48; C08G18/65; D01F6/94
Domestic Patent References:
| WO2006043568A1 | 2006-04-27 | |||
| WO2019103013A1 | 2019-05-31 | |||
| WO2020250994A1 | 2020-12-17 | |||
| WO2022034868A1 | 2022-02-17 | |||
| WO2022054811A1 | 2022-03-17 |
Foreign References:
| JP2015224399A | 2015-12-14 | |||
| JP2017186704A | 2017-10-12 | |||
| JP2003049368A | 2003-02-21 |
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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