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Colloid and Polymer Science
Erschienen in: Colloid and Polymer Science 7/2014

01.07.2014 | Original Contribution

Sodium silicate route to coat polymer particles with silica

verfasst von: Hua Zou, Helmut Schlaad

Erschienen in: Colloid and Polymer Science | Ausgabe 7/2014

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Abstract

This paper presents a low-cost method to coat polymer particles with silica nanoparticles from inexpensive sodium silicate solution, which is a less-common precursor compared with tetraethyl orthosilicate for coating of polymer particles. The method is based on deposition of active silicic acid in the presence of polymer particles, prepared by emulsion polymerization of styrene involving poly(N-vinyl-2-pyrrolidone), under conditions that a dilute silica sol can be formed from this active silicic acid. The whole process was conducted in aqueous media. The effects of different reaction parameters, such as reaction temperature, amount of active silicic acid and solution pH, on the morphology and size of composite particles were investigated.
Vorheriger Artikel Synthesis and dilute aqueous solution properties of ester functionalized cationic gemini surfactants having different ethylene oxide units as spacer
Nächster Artikel Modeling the effect of molecular architecture of comb polymers on the behavior of Al2O3 dispersions using charge/composition factors (CCF)

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Metadaten
Titel
Sodium silicate route to coat polymer particles with silica
verfasst von
Hua Zou
Helmut Schlaad
Publikationsdatum
01.07.2014
Verlag
Springer Berlin Heidelberg
Erschienen in
Colloid and Polymer Science / Ausgabe 7/2014
Print ISSN: 0303-402X
Elektronische ISSN: 1435-1536
DOI
https://doi.org/10.1007/s00396-014-3229-5

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