Synthesis of polyvinylpyrrolidone and its nanosilver-based polymer composites in supercritical carbon dioxide

被引：9
|
作者：
Said-Galiev, E. E. [1 ]
Stakhanov, A. I. [1 ]
Blagodatskikh, I. V. [1 ]
Kobitskaya, E. M. [1 ]
Khokhlov, A. R. [1 ]
Naumkin, A. V. [1 ]
Volkov, I. O. [1 ]
Volkov, V. V. [1 ]
Shtykova, E. V. [2 ]
Dembo, K. A. [2 ]
Pisarev, S. A. [3 ]
机构：
[1] Russian Acad Sci, AN Nesmeyanov Organoelement Cpds Inst, Moscow 119991, Russia
[2] Russian Acad Sci, AV Shubnikov Crystallog Inst, Moscow 117333, Russia
[3] Russian Acad Sci, Frumkin Inst Phys Chem & Electrochem, Moscow 119991, Russia
来源：
POLYMER SCIENCE SERIES B | 2010年 / 52卷 / 3-4期
基金：
俄罗斯基础研究基金会;
关键词：
NANOPARTICLES;
D O I：
10.1134/S1560090410030061
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Polyvinylpyrrolidone is synthesized in supercritical carbon dioxide at a pressure of 20 MPa and a temperature of 65A degrees C. Polyvinylpyrrolidone films are impregnated with the organic complex silver 1,5-(cyclooctadiene)-1,1,1,5,5,5-hexafluoroacetyl acetonate, and the metal is subsequently reduced by hydrogen. The chemical structure and structure of nanometallopolymer composites are investigated by SAXS, transmission electron microscopy, FTIR and UV spectroscopy, and X-ray fluorescent analysis. It is shown that the impregnation with the complex and the reduction of the complex give rise to Ag(0) nanoparticles with a predominant size on the order of 1 nm.
引用
收藏
页码：165 / 173
页数：9
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