Polyimide nanocomposite films containing α-Fe2O3 nanoparticles
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- 作者：Zahra Rafiee (1)
Leila Golriz (1) - 关键词：Polyimide ; Nanocomposite ; Amine ; functionalized Fe2O3 ; α ; Fe2O3
- 刊名：Journal of Polymer Research
- 出版年：2015
- 出版时间：January 2015
- 年：2015
- 卷：22
- 期：1
- 全文大小：1,203 KB
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17. Yi L, Li C, Hu - 作者单位：Zahra Rafiee (1)
Leila Golriz (1)
1. Department of Chemistry, Yasouj University, Yasouj, 75918-74831, Islamic Republic of Iran - ISSN：1572-8935
文摘
In this study, novel polyimide/α-Fe2O3 (PI/α-Fe2O3) hybrid nanocomposite films were synthesized via thermal curing of different amount of modified α-Fe2O3 nanoparticles containing poly(amic acid) derived from 3,5-diamino-N-(9H-fluoren-2-yl)benzamide and 3,3-4,4-benzophenonetetracarboxylic dianhydride in N-methyl-2-pyrrolidone. To improve the dispersion and obtain the homogeneous distribution of α-Fe2O3 in polymeric matrix, the surface of nanoparticles was modified to organophile with γ-aminopropyltriethoxy silane. The PI/α-Fe2O3 nanocomposite films were characterized by Fourier transform infrared spectra, X-ray diffraction and transmission electron microscopy (TEM). The TEM results confirm that the nanoparticles were dispersed uniformly in PI matrix on nanoscale. Additionally, thermogravimetric analysis data showed an improvement of thermal stability of novel nanocomposite films as compared to the pure polymer.