Association of poly(4-hydroxystyrene)-block-poly(ethylene oxide) in aqueous solutions : block copolymer nanoparticles with intermixed blocks

Association behavior of diblock copolymer poly(4-hydroxystyrene)-block-poly(ethylene oxide) (PHOS-PEO) in aqueous solutions and solutions in water/tetrahydrofuran mixtures was studied by static, dynamic, and electrophoretic light scattering, (1)H NMR spectroscopy, transmission electron microscopy, a...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 28(2012), 1 vom: 10. Jan., Seite 307-13
1. Verfasser: Štěpánek, Miroslav (VerfasserIn)
Weitere Verfasser: Hajduová, Jana, Procházka, Karel, Šlouf, Miroslav, Nebesářová, Jana, Mountrichas, Grigoris, Mantzaridis, Christos, Pispas, Stergios
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2012
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Phenols Polymers Polyethylene Glycols 3WJQ0SDW1A 4-vinylphenol OA7V1SM8YL
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520 |a Association behavior of diblock copolymer poly(4-hydroxystyrene)-block-poly(ethylene oxide) (PHOS-PEO) in aqueous solutions and solutions in water/tetrahydrofuran mixtures was studied by static, dynamic, and electrophoretic light scattering, (1)H NMR spectroscopy, transmission electron microscopy, and cryogenic field-emission scanning electron microscopy. It was found that, in alkaline aqueous solutions, PHOS-PEO can form compact spherical nanoparticles whose size depends on the preparation protocol. Instead of a core/shell structure with segregated blocks, the PHOS-PEO nanoparticles have intermixed PHOS and PEO blocks due to hydrogen bond interaction between -OH groups of PHOS and oxygen atoms of PEO and are stabilized electrostatically by a fraction of ionized PHOS units on the surface 
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700 1 |a Hajduová, Jana  |e verfasserin  |4 aut 
700 1 |a Procházka, Karel  |e verfasserin  |4 aut 
700 1 |a Šlouf, Miroslav  |e verfasserin  |4 aut 
700 1 |a Nebesářová, Jana  |e verfasserin  |4 aut 
700 1 |a Mountrichas, Grigoris  |e verfasserin  |4 aut 
700 1 |a Mantzaridis, Christos  |e verfasserin  |4 aut 
700 1 |a Pispas, Stergios  |e verfasserin  |4 aut 
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