Novel Poly (vinyl Alcohol) Nanocomposites Reinforced with Nano Cellulose Fibrils Isolated from Plants by Mechanochemical Treatment


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The objective of this study was to reinforce biodegradable polyvinyl alcohol (PVA) with nano cellulose fibrils generated from poplar and cotton through mechanochemical treatment. A method used a combination of acid and alkali treatment to obtain cellulose from poplar and cotton. The cellulose of both fibers was further processed by grinder treatment. PVA/nano cellulose composite was prepared successfully by an immersion method. The cellulose nanofibers and nanocomposite films were characterized with scanning electron microscope (SEM), tensile testing machine, ultraviolet-visible spectrophotometry (UV-vis). SEM showed the diameter of the cellulose was range between 30-100 nm and exhibited a high aspect ratio of over 1500. The mechanical properties of PVA were improved significantly and the two plant nanofibers had the similarly reinforcing effects in the matrix. Cellulose nanofibers as a future resource have tremendous potential since they are one of the most abundant organic resources on the earth.



Edited by:

Yongbo Shao, Shuguang Hao, Yuping Luo, Jibo Xing and Zhiyong Liu




Y. Hu et al., "Novel Poly (vinyl Alcohol) Nanocomposites Reinforced with Nano Cellulose Fibrils Isolated from Plants by Mechanochemical Treatment", Applied Mechanics and Materials, Vols. 174-177, pp. 870-876, 2012

Online since:

May 2012




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