Title:
SULFATE ESTERIFIED CHITIN, SULFATE ESTERIFIED CHITIN FIBER, AND PRODUCTION METHODS THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/249083
Kind Code:
A1
Abstract:
The purpose of the present disclosure is to provide: a sulfate esterified chitin that has excellent hydrophilicity and can be easily made fine in water; a sulfate esterified chitin fiber; a method for producing a sulfate esterified chitin; and a method for producing a sulfate esterified chitin fiber. A sulfate esterified chitin according to the present embodiment has a sulfate ester group represented by general formula (1). (In general formula (1), n is an integer of 1-3, Mn+ is an n-valent cation, and the wavy line is a bonding site to another atom.)
Inventors:
IWAMOTO SHINICHIRO (JP)
MOCHIDUKI MAKOTO (JP)
TANI RYOTARO (JP)
EGAWA NORIAKI (JP)
SAKO TAKAHIRO (JP)
TANAKA HIROAKI (JP)
YOKOMIZO TOMOFUMI (JP)
MOCHIDUKI MAKOTO (JP)
TANI RYOTARO (JP)
EGAWA NORIAKI (JP)
SAKO TAKAHIRO (JP)
TANAKA HIROAKI (JP)
YOKOMIZO TOMOFUMI (JP)
Application Number:
PCT/JP2023/023154
Publication Date:
December 28, 2023
Filing Date:
June 22, 2023
Export Citation:
Assignee:
YOKOGAWA ELECTRIC CORP (JP)
International Classes:
C08B37/08; D01F9/00; D06M13/262
Domestic Patent References:
| WO2018131721A1 | 2018-07-19 | |||
| WO2019073810A1 | 2019-04-18 |
Foreign References:
| JP2020066658A | 2020-04-30 | |||
| JPH0840915A | 1996-02-13 | |||
| JPH02240101A | 1990-09-25 | |||
| US2755275A | 1956-07-17 | |||
| JPS516720B1 | 1976-03-01 | |||
| JP2019173243A | 2019-10-10 |
Attorney, Agent or Firm:
HIRAKI & ASSOCIATES (JP)
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