Journal
CARBOHYDRATE POLYMERS
Volume 112, Issue -, Pages 284-290Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2014.05.064
Keywords
Aqueous counter collision; Hierarchical structure; Nanofiber; Cellulose; Top-down process
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This study involved a detailed investigation of a novel approach to reducing naturally occurring cellulose fibers into nanofibers solely by the use of aqueous counter collision (ACC) without any chemical modification. In this process, equivalent aqueous suspensions of cellulose are ejected from dual nozzles and collide at high speed and pressure. Even a few repetitions of the collision process are sufficient to produce nano-sized fibers dispersed in water. This work compared the ACC nano-pulverization of stable I beta-rich and meta-stable I alpha-rich cellulose samples. The ACC method is applicable to various kinds of polymeric materials with hierarchical structures, either natural or synthetic, as a means of preparing aqueous dispersions of nano-sized structures. (C) 2014 Elsevier Ltd. All rights reserved.
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