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http://dx.doi.org/10.12772/TSE.2015.52.361

Study on Polyhydroxyamide/Carbon Nanotube Nanocomposite Fibers  

Jee, Min Ho (Department of Advanced Organic Materials and Textile System Engineering, Chungnam National University)
Kang, Chan Sol (Department of Advanced Organic Materials and Textile System Engineering, Chungnam National University)
Yeo, Moon Jin (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.52, no.6, 2015 , pp. 361-366 More about this Journal
Abstract
Polyhydroxyamide (PHA) was synthesized by low-temperature solution polymerization of 3,3'-dihydroxybenzidine and terephthaloyl chloride. Then, pure PHA and PHA nanocomposite fibers, including multi-walled carbon nanotube (MWNT), were prepared by a wet-spinning process. The structural characteristics, thermal properties, and mechanical performances, such as tensile strength, initial modulus, and compressive strength, of the PHA fibers were investigated using FT-IR, TGA, and a tensile testing machine. The TGA results show that the PHA fiber has excellent thermal stability at high temperatures and can undergo thermal cyclization to yield PBO fiber. The tensile mechanical properties of PHA nanocomposite fibers were better than those of pure PHA fiber, and they were improved on increasing the MWNT content. The highly improved mechanical properties of the nanocomposite fibers are thought to be related to the strong interfacial interactions between the PHA matrix and MWNT.
Keywords
polyhydroxyamide fiber; multi-walled carbon nanotube; wet-spinning; mechanical properties;
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Times Cited By KSCI : 6  (Citation Analysis)
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