Synthesis and characterization of styrene grafted carbon nanotube and its polystyrene nanocomposite

Effective side wall functionalization of single-walled carbon nanotube (SWCNT) with 4-vinylaniline was carried out through solvent free functionalization. The functionalized SWCNT was characterized through FT-IR and NMR. Typical peaks to identify the functionalization were observed. Thermal analysis...

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Bibliographic Details
Published inEuropean polymer journal Vol. 43; no. 12; pp. 4916 - 4923
Main Authors Nayak, Rati Ranjan, Lee, Kwang Yong, Shanmugharaj, A.M., Ryu, Sung Hun
Format Journal Article
LanguageEnglish
Published Oxford Elsevier Ltd 01.12.2007
Elsevier
Subjects
Applied sciences
Composite
Composites
Electrical properties
Exact sciences and technology
FESEM
Forms of application and semi-finished materials
Functionalization
Polymer industry, paints, wood
SWCNT
Technology of polymers
TGA
Functionalization
Composite
Electrical properties
FESEM
SWCNT
TGA
Mixing
Dispersion degree
Carbon nanotubes
Mechanical properties
Aniline derivatives
Experimental study
Chemical coupling
Azo compound
Singlewalled nanotube
Styrene derivatives
Morphology
Preparation
Concentration effect
Electric resistivity
Styrene polymer
Nanocomposite
Growth from solution
Modified material
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Summary:Effective side wall functionalization of single-walled carbon nanotube (SWCNT) with 4-vinylaniline was carried out through solvent free functionalization. The functionalized SWCNT was characterized through FT-IR and NMR. Typical peaks to identify the functionalization were observed. Thermal analysis shows around 48% weight loss in functionalized SWCNT in comparison to the pure SWCNT. The ratio of disordered to order transition ( I D/ I G) in FT-Raman, indicated the generation of some surface defects due to functionalization. Near infrared spectrum of functionalized SWCNT also confirmed the functionalization of SWCNT. The polystyrene nanocomposite materials were prepared with functionalized SWCNT as fillers by solution casting from tetrahydrofuran. The functionalized SWCNT nanocomposite showed significant improvement in mechanical properties and electrical properties. The dispersibility of the carbon nanotube in the composite was investigated by using scanning electron microscopy.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0014-3057
1873-1945
DOI:10.1016/j.eurpolymj.2007.04.012