Synthesis and properties of new polyamide-organoclay nanocomposites containing pyrazine moiety in the main chain

被引：0

作者：

Faghihi, Khalil ^{[1
]}

Naderi-Ghomi, Mohammad ^{[2
]}

Hajibeygi, Mohsen ^{[3
]}

机构：

[1] Arak Univ, Fac Sci, Dept Chem, Arak 3815688349, Iran

[2] Islamic Azad Univ, Arak Branch, Dept Chem, Arak, Iran

[3] Islamic Azad Univ, Varamin Pishva Branch, Dept Chem, Varamin, Iran

来源：

SCIENCE AND ENGINEERING OF COMPOSITE MATERIALS | 2012年 / 19卷 / 03期

关键词：

nanocomposite; polyamide; pyrazine; thermal stable; MECHANICAL-PROPERTIES; POLY(AMIDE-IMIDE)S; INTERCALATION; POLYIMIDES; POLYMER;

D O I：

10.1515/secm-2011-0105

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

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.

引用

页码：215 / 220

页数：6

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