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Title:
PULVERIZED PRODUCT OF CARBOXYMETHYLATED PULP AND ADDITIVE CONTAINING SAID PULVERIZED PRODUCT
Document Type and Number:
WIPO Patent Application WO/2019/221272
Kind Code:
A1
Abstract:
This pulverized product of carboxymethylated pulp has a carboxymethyl substitution degree of 0.50 or less and a cellulose-I crystallinity index of 50% or more. This additive contains the pulverized product. Preferably, the carboxymethylated pulp is produced by performing a mercerization reaction in a solvent mainly containing water, and then performing a carboxymethylation reaction in a mixed solvent containing water and an organic solvent, and is fibrillated by wet pulverization.

Inventors:
INOUE KAZUHIKO (JP)
SUZUKI HIROYOSHI (JP)
NISHIGAYA KASUMI (JP)
TAKAYAMA MASATO (JP)
NAKADA SAKIKO (JP)
TAKAHASHI YUKI (JP)
GOTO SHISEI (JP)
Application Number:
PCT/JP2019/019670
Publication Date:
November 21, 2019
Filing Date:
May 17, 2019
Export Citation:
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Assignee:
JUJO PAPER CO LTD (JP)
International Classes:
A23L29/00; A23K20/163; A61K8/73; A61K47/38; A61Q19/02; C08B11/12
Domestic Patent References:
WO2014087767A12014-06-12
WO2014088072A12014-06-12
Foreign References:
JPH10251119A1998-09-22
JPH10251301A1998-09-22
JPH10251446A1998-09-22
JPH11140793A1999-05-25
JP2015149929A2015-08-24
JP2015149930A2015-08-24
JP6337225B12018-06-06
JP6351821B12018-07-04
JP2018164443A2018-10-25
JP6417490B12018-11-07
JP6442106B12018-12-19
JP6505900B12019-04-24
JP6505901B12019-04-24
JP2017149901A2017-08-31
JP2008222859A2008-09-25
JP2007191558A2007-08-02
JP2002194001A2002-07-10
Other References:
See also references of EP 3815541A4
Attorney, Agent or Firm:
ONO, Shinjiro et al. (JP)
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