METHOD FOR PRODUCING DRY SOLID OF CELLULOSE NANOFIBER

To provide a method that can efficiently produce a dry solid of cellulose nanofiber with high re-dispersibility.SOLUTION: A dry solid of cellulose nanofiber is produced by causing air bubbles to form in a mixture containing cellulose nanofiber and solvent with the cellulose nanofiber content of 0.5-...

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Bibliographische Detailangaben
1. Verfasser:	WATABE KEIGO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON DERIVATIVES THEREOF METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS POLYSACCHARIDES THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	To provide a method that can efficiently produce a dry solid of cellulose nanofiber with high re-dispersibility.SOLUTION: A dry solid of cellulose nanofiber is produced by causing air bubbles to form in a mixture containing cellulose nanofiber and solvent with the cellulose nanofiber content of 0.5-7 mass% and the mixture having a B viscosity of 500-1000000 mPa s and causing the air bubbles to burst.SELECTED DRAWING: None 【課題】再分散性が良好なセルロースナノファイバーの乾燥固形物を効率的に製造する方法を提供する。【解決手段】セルロースナノファイバーと溶媒を含む混合物において、セルロースナノファイバーの含有量が０．５～７質量％であり、前記混合物のＢ型粘度が５００～１００００００ｍＰａ・ｓである前記混合物に気泡を生じさせ、前記気泡を破裂させることより、セルロースナノファイバーの乾燥固形物を製造する。【選択図】なし