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Preparation and Properties of Copolyamide Nanocomposites Containing Multi-Walled Carbon Nanotubes  

Lim, Jae-Ho (Department of Advanced Organic Materials and Textile System Engineering, Chungnam National University)
Jee, Min-Ho (Department of Advanced Organic Materials and Textile System Engineering, Chungnam National University)
Baik, Doo-Hyun (Department of Advanced Organic Materials and Textile System Engineering, Chungnam National University)
Publication Information
Textile Science and Engineering / v.48, no.1, 2011 , pp. 25-32 More about this Journal
Abstract
Copolyamide 66/6T/610 was synthesized by the condensation polymerization of polyamide 66, 6T, 610 salts. Copolyamide nanocomposites containing well-dispersed multi-walled carbon nanotubes (MWNTs) were prepared using a solution mixing method. The crystallinity increased with increasing MWNT content, suggesting that MWNT can help the copolyamide crystallize further. The copolyamide/MWNT nanocomposites also showed improved mechanical properties and electrical conductivity. Scanning electron microscopy of the fracture surfaces of the composite showed not only a uniform dispersion of MWNTs but also strong interfacial adhesion with the matrix, as evidenced by the presence of many broken but strongly embedded carbon nanotubes in the matrix.
Keywords
multi-walled carbon nanotube; nanocomposite; copolyamide; solution mixing;
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