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Title Block Copolymers Containing Poly(acrylic acid) for Stabilization of Vitamin E and Silver Nanoparticles in Aqueous Solutions
Authors Permyakova, N.M.
Zheltonozhskaya, T.B.
Maksin, V.I.
Kaplunenko, V.G.
Revko, O.V.
Keywords Block copolymer
Intramolecular polycomplex
Micellization
Encapsulation
Vitamin E
Silver
Type Conference Papers
Date of Issue 2012
URI http://essuir.sumdu.edu.ua/handle/123456789/34943
Publisher Sumy State University
License
Citation Block Copolymers Containing Poly(acrylic acid) for Stabilization of Vitamin E and Silver Nanoparticles in Aqueous Solutions [Текст] / N.M. Permyakova, T.B. Zheltonozhskaya, V.I. Maksin et al. // Nanomaterials: Applications & Properties (NAP-2012) : 2-nd International conference, Alushta, the Crimea, September 17-22, 2012 / Edited by: A. Pogrebnjak. - Sumy : Sumy State University, 2012. - V.1, No1. - 01PCN37
Abstract We have synthesized asymmetric di- and triblock copolymers containing chemically complementary blocks of poly(acrylic acid) and methoxypoly(ethylene oxide) (PAAc-b-MOPEO) or poly(ethylene oxide) (PAAc-b-PEO-b-PAAc) using a template radical block copolymerization process. At low pH, polyacid blocks of these copolymers were protonated and formed the intramolecular polycomplexes (IntraPCs) with MOPEO or PEO blocks. Due to both the intramolecular complex formation and hydrophobic interactions between non-polar bound segments of the blocks, an intensive micellization in copolymer solutions at low pH took place. Aqueous copolymer solutions were used as nanocontainers for encapsulation of poorly soluble vitamin E and as nanoreactors for the silver nanoclusters/nanoparticles formation. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/34943
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