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Title: Highly charged hollow latex particles prepared via seeded emulsion polymerization
Authors: Sukanya Nuasaen
Pramuan Tangboriboonrat
Mahidol University
Keywords: Chemical Engineering;Materials Science
Issue Date: 19-Feb-2013
Citation: Journal of Colloid and Interface Science. Vol.396, (2013), 75-82
Abstract: The carboxylated hollow latex (HL) particles possessing high surface charge density were conveniently prepared by using poly(styrene-co-acrylic acid) (P(St/AA)) as seed particles and methyl methacrylate (MMA)/divinylbenzene (DVB)/AA as monomers. Without seed removal, the hollow structure was simply tuned by adjusting the monomer/seed ratio and the monomer content. The monodisperse, spherical, and non-collapsed HL particles with double shell having the void of 280. nm were obtained from P(St/AA) seeds of 300. nm. The conductimetric back titration, SEM, TEM, and dynamic light scattering measurement revealed that the surface charge density, surface roughness, and size of HL particles significantly increased when applying the stepwise charging monomers/initiator. The highly charged HL particles would be well dispersed in coating film providing good optical properties, for example, opacity and whiteness. © 2013 Elsevier Inc.
ISSN: 10957103
Appears in Collections:Scopus 2011-2015

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