ANIONICALLY-MODIFIED CELLULOSE NANOFIBER DISPERSION AND PRODUCTION METHOD THEREFOR

A method for producing an anionically-modified cellulose nanofiber dispersion, the method comprising: preparing a dispersion containing anionically-modified cellulose; and defibrating the cellulose in the dispersion, wherein at least a part of hydroxyl groups in pyranose rings in the anionically-mod...

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Bibliographische Detailangaben
Hauptverfasser:	Muramatsu, Riichi, Shinkura, Hiroshi, Tada, Yusuke, Takaichi, Satoshi, Tamura, Naoyuki, Takahashi, Masanari, Fujii, Takeshi
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS IMPREGNATING OR COATING OF PAPER METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
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Beschreibung
Zusammenfassung:	A method for producing an anionically-modified cellulose nanofiber dispersion, the method comprising: preparing a dispersion containing anionically-modified cellulose; and defibrating the cellulose in the dispersion, wherein at least a part of hydroxyl groups in pyranose rings in the anionically-modified cellulose is modified by oxidation or substitution, and an electrical conductivity of the anionically-modified cellulose aqueous dispersion that is subjected to defibration is 500 μS/cm or lower at a concentration of 1.0 wt %. The dispersion has high transparency.