An easy way to control the morphology of colloidal polymer-oxide supraparticles through seeded dispersion polymerization

SiO(2)/polystyrene colloidal supraparticles were synthesized through dispersion polymerization by using poly(N-vinylpyrrolidone) as stabilizer, in the presence of silica particles coated with methacryloxymethyltriethoxysilane. Scanning and transmission electron microscopy studies indicate that dumbb...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 26(2010), 9 vom: 04. Mai, Seite 6086-90
1. Verfasser: Nguyen, David (VerfasserIn)
Weitere Verfasser: Duguet, Etienne, Bourgeat-Lami, Elodie, Ravaine, Serge
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2010
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a SiO(2)/polystyrene colloidal supraparticles were synthesized through dispersion polymerization by using poly(N-vinylpyrrolidone) as stabilizer, in the presence of silica particles coated with methacryloxymethyltriethoxysilane. Scanning and transmission electron microscopy studies indicate that dumbbell-like or snowman-like supraparticles can be prepared by taking advantage of the coalescence phenomenon which occurs between growing polymer nodules in pure alcoholic medium, at high monomer concentration and/or at high temperature. By decreasing both temperature and monomer concentration, while adding a varying amount of water in the alcoholic reaction medium, core-shell or other interesting morphology binary supraparticles were obtained 
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700 1 |a Bourgeat-Lami, Elodie  |e verfasserin  |4 aut 
700 1 |a Ravaine, Serge  |e verfasserin  |4 aut 
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