Title:
POLYURETHANE ELASTIC FIBER AND WOUND BODY THEREOF
Document Type and Number:
WIPO Patent Application WO/2019/103013
Kind Code:
A1
Abstract:
Provided is a polyurethane elastic fiber that is a multifilament yarn, the polyurethane elastic fiber being characterized in that the content of an ester or a phosphoric acid ester that is a product of the condensation of a compound A with a compound B is 50 ppm or more and 5% or less relative to the weight of the polyurethane elastic fiber, the compound A is at least one compound selected from a monocarboxylic acid having 4 to 30 carbon atoms inclusive, a dicarboxylic acid having 4 to 30 carbon atoms inclusive, a tricarboxylic acid having 4 to 30 carbon atoms inclusive and phosphoric acid, and the compound B is at least one compound selected from a monol having 1 to 30 carbon atoms inclusive, a diol having a molecular weight of 3000 or less and a triol having a molecular weight of 3000 or less.
Inventors:
GOTO HIDEYUKI (JP)
SATO HITOSHI (JP)
YAMAMOTO TARO (JP)
SATO HITOSHI (JP)
YAMAMOTO TARO (JP)
Application Number:
PCT/JP2018/042898
Publication Date:
May 31, 2019
Filing Date:
November 20, 2018
Export Citation:
Assignee:
ASAHI CHEMICAL IND (JP)
International Classes:
D01F6/94; D06M13/224; D06M13/292; D06M13/402; D06M101/38
Domestic Patent References:
| WO2016129357A1 | 2016-08-18 |
Foreign References:
| JP2011042891A | 2011-03-03 | |||
| JPS506899A | 1975-01-24 | |||
| JPS4734965B1 | ||||
| JPS436103B1 | 1968-03-06 | |||
| JP2010121240A | 2010-06-03 | |||
| JPH11229235A | 1999-08-24 | |||
| JP2010506063A | 2010-02-25 | |||
| JP2016135936A | 2016-07-28 |
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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