Optically active poly(amide-imide)/TiO2 nanocomposites containing amino acid moieties: synthesis and properties

被引：3

作者：

Rafiee, Zahra ^{[1
]}

Zare, Elham ^{[1
]}

机构：

[1] Univ Yasuj, Dept Chem, Yasuj 7591474831, Iran

来源：

AMINO ACIDS | 2015年 / 47卷 / 11期

关键词：

Poly(amide-imide); Nanocomposite; Amine-functionalized TiO2; TiO2; FILMS;

D O I：

10.1007/s00726-015-2008-z

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

The novel optically active poly(amide-imide) (PAI)/TiO2 nanocomposites containing fluorene moieties have been successfully synthesized through ultrasonic irradiation. The surface of nanoparticles was chemically modified with gamma-aminopropyltriethoxyl silane to enhance the compatibility with polymeric matrix and to avoid the aggregation of nanoparticles. The dispersion of surface-modified TiO2 in PAI film was confirmed by the transmission electron microscope (TEM) analysis showing the well-dispersed nanosized TiO2 nanoparticles. The thermal stabilities and optical properties of PAI/surface-modified TiO2 nanocomposite films were also investigated. The thermogravimetric analysis data showed an improvement of thermal stability of novel nanocomposite films as compared to the pure polymer.

引用

页码：2293 / 2302

页数：10

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