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Erschienen in: Colloid and Polymer Science 1/2013

01.01.2013 | Short Communication

Synthesis of hematite/silica/polymer composite colloids with a tunable morphology

verfasst von: Thibaut Forestier, Mélanie Ferrié, Serge Ravaine

Erschienen in: Colloid and Polymer Science | Ausgabe 1/2013

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Abstract

Hematite/SiO2/polystyrene colloidal particles were synthesized through emulsion polymerization, in the presence of seeds coated with 3-methacryloxypropyltrimethoxysilane (MPS). Scanning and transmission electron microscopy studies indicate that flying saucer-like particles can be prepared by taking advantage of the coalescence phenomenon which occurs between growing polymer nodules when the MPS surface density of the coupling agent is high. By decreasing this density, multipod-like and raspberry-like composite particles were obtained, depending on the concentration of monomer.

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Fußnoten
1
Assuming that (a) all MMS molecules are grafted, (b) hematite/silica particles are ellipsoidal and their silica shell are dense, and (c) silica density is 2.2 g cm−3.
 
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Metadaten
Titel
Synthesis of hematite/silica/polymer composite colloids with a tunable morphology
verfasst von
Thibaut Forestier
Mélanie Ferrié
Serge Ravaine
Publikationsdatum
01.01.2013
Verlag
Springer-Verlag
Erschienen in
Colloid and Polymer Science / Ausgabe 1/2013
Print ISSN: 0303-402X
Elektronische ISSN: 1435-1536
DOI
https://doi.org/10.1007/s00396-012-2648-4

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