The fabrication and characterization of nanocomposites containing new poly(amide–imide) based on 4,4-methylenebis(3-chloro-2,6-diethyl trimellitimidobenzene) and carboxylic acid-functionalized multiwalled carbon nanotubes
Restricted accessResearch articleFirst published online April, 2016
The fabrication and characterization of nanocomposites containing new poly(amide–imide) based on 4,4-methylenebis(3-chloro-2,6-diethyl trimellitimidobenzene) and carboxylic acid-functionalized multiwalled carbon nanotubes
In this article, a nanostructure poly(amide–imide) (PAI) was prepared from the polymerization of 4,4′-methylenebis(3-chloro-2,6-diethyl trimellitimidobenzene) with 3,5-diamino-N-(4-hydroxyphenyl)benzamide using tetra-n-butylammonium bromide as a green media and triphenylphosphite as a condensing agent. This methodology is safe and green since toxic and volatile organic solvents were eliminated. To obtain a homogeneous dispersion of multiwalled carbon nanotubes (MWCNTs) in the PAI matrix, carboxyl-modified MWCNT (CA-MWCNT) was used. The resulting nanocomposites were characterized by Fourier transform infrared spectroscopy, powder X-ray diffraction, field-emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), and thermogravimetric analysis. TEM and FESEM results confirm good dispersion of CA-MWCNTs in the polymer matrix.
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