Micelle Formation and Stabilization of Metal Nanoparticles in Aqueous Solutions of Diblock Copolymers with Monomethyl Ether of Poly(Ethylene Oxide) and Poly(Acrylic Acid)

Double-hydrophilic block copolymers including monomethyl ether of poly(ethylene oxide) and poly(acrylic acid) (MEPEO-b-PAAc) with the different ratios of polymer blocks are synthesized by the matrix block-copolymerization and characterized. The intramolecular complex formation (IntraPC) between poly...

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Bibliographic Details
Published in:Molecular Crystals and Liquid Crystals 2011-02, Vol.536, p.372
Main Authors: Permyakova, N M, Zheltonozhskaya, T B, Poguliai, Y V, Grischenko, L N
Format: Article
Language:English
Subjects:
Aqueous solutions
Chemical compounds
Chemical synthesis
Copolymers
Nanoparticles
Polyethylene films
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Summary:Double-hydrophilic block copolymers including monomethyl ether of poly(ethylene oxide) and poly(acrylic acid) (MEPEO-b-PAAc) with the different ratios of polymer blocks are synthesized by the matrix block-copolymerization and characterized. The intramolecular complex formation (IntraPC) between polymer blocks in MEPEO-b-PAAc at low pH (protonated MEPEO-b-PAAc) is established. It causes the MEPEO-b-PAAc intense micellization in aqueous solutions at pH ≤ 4. Water solutions of MEPEO-b-PAAc copolymers are used for the synthesis of silver nanoparticles. The stabilizing property of MEPEO-b-PAAc solutions by the interaction with the colloid dispersions of silver nanoparticles is shown. [PUBLICATION ABSTRACT]
ISSN:1542-1406
1527-1943