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Title:
PRODUCTION METHOD FOR CELLULOSE NANOFIBERS
Document Type and Number:
WIPO Patent Application WO/2018/230354
Kind Code:
A1
Abstract:
[Problem] To provide an efficient method for producing cellulose nanofibers which contain no N-oxyl compounds, e.g., TEMPO, remaining therein. [Solution] A production method for cellulose nanofibers which comprises: a step in which a cellulosic raw material is oxidized with hypochlorous acid or a salt thereof having an effective chlorine concentration of 14-43 mass% to produce oxidized cellulose; and a step in which the oxidized cellulose is fibrillated to a nanometer size.

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Inventors:
KAMIYA DAISUKE (JP)
MATSUKI SHIROSHI (JP)
Application Number:
PCT/JP2018/021103
Publication Date:
December 20, 2018
Filing Date:
June 01, 2018
Export Citation:
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Assignee:
TOAGOSEI CO LTD (JP)
International Classes:
C08B15/04
Foreign References:
US20170101738A12017-04-13
JP2016030809A2016-03-07
JPH11310601A1999-11-09
JP2017193814A2017-10-26
JP2015067730A2015-04-13
JP2010236106A2010-10-21
JP2016030809A2016-03-07
Other References:
CELLULOSE COMMUN., vol. 14, no. 2, 2007, pages 62
See also references of EP 3640264A4
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