Biologically Inspired Hierarchical Design of Nanocomposites Based on Poly(ethylene oxide) and Cellulose Nanofibers

被引：25
作者：
Changsarn, Sutheerat [1 ,2 ]
Mendez, James D. [3 ,4 ,5 ]
Shanmuganathan, Kadhiravan [5 ]
Foster, E. Johan [3 ,4 ]
Weder, Christoph [1 ,2 ,3 ,4 ,5 ]
Supaphol, Pitt [1 ,2 ]
机构：
[1] Chulalongkorn Univ, Petr & Petrochem Coll, Bangkok 10330, Thailand
[2] Chulalongkorn Univ, Ctr Petr Petrochem & Adv Mat, Bangkok 10330, Thailand
[3] Univ Fribourg, Adolphe Merkle Inst, CH-1723 Marly, Switzerland
[4] Univ Fribourg, Fribourg Ctr Nanomat, CH-1723 Marly, Switzerland
[5] Case Western Reserve Univ, Dept Macromol Sci & Engn, Cleveland, OH 44106 USA
来源：
MACROMOLECULAR RAPID COMMUNICATIONS | 2011年 / 32卷 / 17期
基金：
美国国家科学基金会; 瑞士国家科学基金会;
关键词：
cellulose; electrospinning; fibers; hierarchical structure; nanocomposite; nanowhiskers; POLYMER NANOCOMPOSITES; CARBON NANOTUBES; ELASTIC-MODULUS; WHISKERS; ORIENTATION; NANOCRYSTALS; NANOWHISKERS; FABRICATION; BEHAVIOR; CHAINS;
D O I：
10.1002/marc.201100183
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Attempts to create hierarchically structured, uniaxially oriented nanocomposites comprising cellulose nanowhiskers (CNWs), which promise anisotropic mechanical properties, are exceedingly rare. We report here the fabrication of uniaxially-oriented arrays of microfibers based on poly(ethylene oxide) (PEO) and CNWs by electrospinning. Compared with the neat PEO fibers, the incorporation of CNWs within the fibers increased the storage modulus (E') of arrays along the fiber axis of the PEO/CNW nanocomposite fibers. Successful incorporation of the CNWs within each of the as-spun PEO/CNW nanocomposite fibers in the direction parallel to the fiber axis was verified by both scanning and transmission electron microscopy.
引用
收藏
页码：1367 / 1372
页数：6
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