期刊
CARBOHYDRATE POLYMERS
卷 83, 期 2, 页码 447-451出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2010.08.007
关键词
Carboxylate multi-walled carbon nanotubes; Nanocomposites; Thermoplastic; Starch
A facile solution dispersion method is used to prepare high performance thermoplastic starch (TPS)/carboxylate multi-walled carbon nanotubes (CMWNTs) nanocomposites Transmission electron microscopy demonstrates glycerol pretreatment can further restrain the agglomeration of CMWNTs So the improved dispersion and hydrophilicity of CMWNTs are favorable to enhance the compatibility and homogeneity of TPS/CMWNTs nanocomposites The improvements of CMWNTs content enhance both the pasting viscosity of cornstarch and thermal stability of TPS matrix proved by rapid visco analysis and thermogravimetric analysis respectively Scanning electron microscopy reveals that homogeneous TPS/CMWNTs nanocomposites can be achieved when CMWNTs content is below 1 5 wt% CMWNTs can also form a perfect electric conductive network in TPS matrix at this concentration However higher CMWNTs content deteriorate the plasticization of cornstarch detected by Fourier transform infrared Therefore mechanical test shows that the residue cornstarch granules influence the load transfer from TPS matrix to the ultra-strong carbon nanotubes (CNTs) (C) 2010 Elsevier Ltd All rights reserved
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