Synthesis and characterization of novel silver/L-phenylalanine-based optically active polyacrylate nanocomposite

被引：2

作者：

Mallakpour, Shadpour ^{[1
,2
]}

Rafiee, Zahra ^{[3
]}

Ashrafi, Ali ^{[4
]}

机构：

[1] Isfahan Univ Technol, Organ Polymer Chem Res Lab, Dept Chem, Esfahan 8415683111, Iran

[2] Isfahan Univ Technol, Nanotechnol & Adv Mat Inst, Esfahan 8415683111, Iran

[3] Univ Yasuj, Dept Chem, Yasuj 75914353, Iran

[4] Shahid Chamran Univ, Dept Mat, Ahvaz 61355, Iran

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2012年 / 124卷 / 06期

关键词：

silver nanoparticles; optically active polymers; poly(N-acryloyl-L-phenylalanine); reducing agent; atom transfer radical polymerization; AROMATIC POLYAMIDES; IONIC LIQUID; NANOPARTICLES; ACID; CONVENIENT; POLYMERS; DIAMINES; FILMS;

D O I：

10.1002/app.35459

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Novel bioactive and optically active poly(N-acryloyl-L-phenylalanine) (PAPA) was synthesized by atom transfer radical polymerization. PAPA-silver (Ag) nanocomposites have been successfully prepared via in situ reducing Ag+ ions anchored in the polymer chain using hydrazine hydrate as reducing agent in an aqueous medium. By controlling of the amount of Ag+ ions introduced, we have produced an organic/inorganic nanocomposite containing Ag nanoparticles with well controlled size. Nanocomposites were characterized by X-ray diffraction (XRD), UVVis spectrophotometry, transmission electron microscopy, and Fourier transform infrared. XRD pattern showed presence of Ag nanoparticles. The PAPA/Ag nanocomposites with 1 : 10 silver nitrate (AgNO3) : PAPA ratio revealed the presence of well-dispersed Ag nanoparticles in the polymer matrix. All of these Ag nanoparticles formed are spherical and more than 80% of them are in the range of 1525 nm. (c) 2011 Wiley Periodicals, Inc. J Appl Polym Sci, 2011

引用

页码：4491 / 4495

页数：5

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