期刊
APPLIED SURFACE SCIENCE
卷 287, 期 -, 页码 117-123出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2013.09.088
关键词
Functionalized multi-walled carbon nanotube; Nanocomposite; Amino acid; Optically active polymer
类别
资金
- Research Affairs Division Isfahan University of Technology (IUT), Isfahan
- Iran Nanotechnology Initiative Council (INIC)
- National Elite Foundation (NEF)
- Center of Excellency in Sensors and Green Chemistry (IUT)
Amino acid functionalized multi-walled carbon nanotubes (f-MWCNTs)/poly(amide-ester-imide) (PAEI) composites were fabricated by solution mixing method. Proper functionalization and mixing strategy of MWCNTs provides the best opportunity for better distribution and bonding of nanoparticles to the polymer matrix. MWCNTs have been chemically modified with l-phenylalanine to improve their compatibility with l-phenylalanine based PAEI. Field emission scanning electron microscopy micrographs of composite revealed that f-MWCNTs made a good interaction with polymer chains by wrapping the polymer around them, and transmission electron microscopy results confirmed well dispersion with nano size of f-MWCNTs in the polymer matrix. In addition, thermal analysis showed good enhancement in thermal properties of composites compared to pure polymer. Thermal stability of the composites containing f-MWCNTs was enhanced due to their good dispersion and improved interfacial interaction between the amino acid based PAEI matrix and f-MWCNTs. (C) 2013 Elsevier B. V. All rights reserved.
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