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

Autor:	L. N. Grischenko, Y. V. Poguliai, N. M. Permyakova, Tatyana Zheltonozhskaya
Rok vydání:	2011
Předmět:	Aqueous solution Ethylene oxide Oxide General Chemistry Condensed Matter Physics Micelle Silver nanoparticle chemistry.chemical_compound chemistry Polymer chemistry Copolymer General Materials Science Self-assembly Acrylic acid
Zdroj:	Molecular Crystals and Liquid Crystals. 536:140/[372]-147/[379]
ISSN:	1563-5287 1542-1406
DOI:	10.1080/15421406.2011.538589
Popis:	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.
Databáze:	OpenAIRE
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