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

页码：165 / 173

页数：9

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