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Issue 38, 2012
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Architecture-driven aqueous stability of hydrophobic, branched polymer nanoparticles prepared by rapid nanoprecipitation

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Abstract

The first nanoprecipitation study of hydrophobic branched vinyl polymers is presented with control across a wide range of particle diameters (approximately 60–800 nm) from control of degree of polymerisation and precipitation parameters. In contrast to linear polymers of identical primary chain length, the formation of stable nanoparticles in aqueous media appears to be architecture driven with a contribution from oligomeric chain-ends with measureable water-solubility. The aqueous nanoparticles dispersions are robust and stable to dilution, solvent addition, sonication and temperature. The addition of small amounts of NaCl led to a destabilisation indicating charge stabilisation is also a major contributor to stability.

Graphical abstract: Architecture-driven aqueous stability of hydrophobic, branched polymer nanoparticles prepared by rapid nanoprecipitation

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Publication details

The article was received on 11 Jun 2012, accepted on 30 Jul 2012 and first published on 10 Aug 2012


Article type: Paper
DOI: 10.1039/C2SM26355F
Citation: Soft Matter, 2012,8, 9816-9827

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    Architecture-driven aqueous stability of hydrophobic, branched polymer nanoparticles prepared by rapid nanoprecipitation

    R. A. Slater, T. O. McDonald, Dave. J. Adams, E. R. Draper, J. V. M. Weaver and S. P. Rannard, Soft Matter, 2012, 8, 9816
    DOI: 10.1039/C2SM26355F

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