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Khalil Faghihi

Khalil Faghihi

Academic rank: Professor
ORCID: https://orcid.org/0000-0001-9884-1788
Education: PhD.
ScopusId: 6603751266
Faculty: Science
Address: Arak University
Phone:

Research

Title
Synthesis and properties of new polyamide-organoclay nanocomposites containing pyrazine moiety in the main chain
Type
JournalPaper
Keywords
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Year
2012
Journal Science and Engineering of Composite Materials
DOI
Researchers Khalil Faghihi ، Mohammad Naderi Ghomi ، Mohsen Hajibeygi

Abstract

A series of polyamide (PA)/montmorillonite nanocomposites containing pyrazine moiety in the main chain were synthesized by a convenient solution intercalation technique. PA 3 as a source of polymer matrix was synthesized by the direct polycondensation reaction of pyrazine-2,3-dicarboxylic acid 1 with 4,4′-diaminodiphenyl sulfone 2 in the presence of triphenyl phosphite, CaCl2, pyridine, and N-methyl-2-pyrrolidone. The resulting nanocomposite films were characterized by Fourier transform infrared spectra, X-ray diffraction, scanning electron microscopy, and thermogravimetric analysis (TGA). The results showed that organo-modified clay was dispersed homogeneously in the PA matrix. TGA indicated an enhancement of thermal stability of new nanocomposites compared with the pure polymer.