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Issue 23, 2013
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A CeO2/PVDC hybrid latex mediated by a phosphonated macro-RAFT agent

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Abstract

A poly(vinylidene chloride-co-methyl acrylate) hybrid latex comprising CeO2 nanoparticles was successfully prepared by emulsion polymerization employing a water-soluble phosphonated macro-RAFT agent. A poly(vinylbenzylphosphonic diacid-co-styrene) statistical copolymer was first synthesized, using dibenzyl trithiocarbonate as a controlling agent, and adsorbed on ceria nanoparticles. UV-visible and 31P NMR spectroscopy proved to be efficient and complementary techniques to assess the extent of interactions between the copolymer and ceria nanoparticles, leading to a better understanding of the adsorption of phosphonated copolymer chains on inorganic particles. Then, these functionalized-CeO2 nanoparticles were used to mediate the emulsion copolymerization of vinylidene chloride and methyl acrylate in the presence of a very low amount of emulsifier. Cryo-transmission electron microscopy (cryo-TEM) confirmed the hybrid structure of the latex and the absence of either free ceria nanoparticles or free PVDC latex particles.

Graphical abstract: A CeO2/PVDC hybrid latex mediated by a phosphonated macro-RAFT agent

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Publication details

The article was received on 25 Apr 2013, accepted on 15 Jul 2013 and first published on 16 Jul 2013


Article type: Paper
DOI: 10.1039/C3PY00530E
Polym. Chem., 2013,4, 5656-5663

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    A CeO2/PVDC hybrid latex mediated by a phosphonated macro-RAFT agent

    J. Warnant, J. Garnier, A. van Herk, P. Dufils, J. Vinas and P. Lacroix-Desmazes, Polym. Chem., 2013, 4, 5656
    DOI: 10.1039/C3PY00530E

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