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Size Fractionation of Cellulose Nanofibers by Settling Method and Their Morphology
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 Title & Authors
Size Fractionation of Cellulose Nanofibers by Settling Method and Their Morphology
Park, Chan-Woo; Han, Song-Yi; Lee, Seung-Hwan;
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The cellulose nanofibers (CNFs) were prepared by wet disk-milling (WDM) and fractionated by settling method into supernatant, middle and sediment fractions. The diameter and its distribution of the fractionated CNFs were investigated. With increasing WDM passing number, precipitation became delayed. Weight fraction at sediment fraction was decreased, whereas those at supernatant and middle fractions were increased with increasing WDM passing number. Diameter distribution of CNFs at supernatant fraction was narrowest and became broaden at middle and sediment fraction. Filtration time was longer in order of supernatant, middle and sediment fraction.
cellulose nanofiber;disk-milling;fractionation;settling method;
 Cited by
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