Electrostatically driven coassembly of a diblock copolymer and an oppositely charged homopolymer in aqueous solutions

Voets IJK, van der Burgh S, Farago B, Fokkink R, Kovacevic D, Hellweg T, de Keizer A, Stuart MAC (2007)
Macromolecules 40(23): 8476-8482.

Journal Article | Published | English

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Abstract
Electrostatically driven coassembly of poly(acrylic acid)-block-poly(acrylamide), PAA-b-PAAm, and poly(2-methylvinylpyridinium iodide), P2MVP, leads to formation of micelles in aqueous solutions. Light scattering and small angle neutron scattering experiments have been performed to study the effect of concentration and length of the corona block (N-PAAm = 97, 208, and 417) on micellar characteristics. Small angle neutron scattering curves were analyzed by generalized indirect Fourier transformation and model fitting. All scattering curves could be well described with a combination of a form factor for polydisperse spheres in combination with a hard sphere structure factor for the highest concentrations. Micellar aggregation numbers, shape, and internal structure are relatively independent of concentration for C-p < 23.12 g L-1. The Guinier radius, average micellar radius, hydrodynamic radius, and polydispersity were found to increase with increasing N-PAAm. Micellar mass and aggregation number were found to decrease with increasing N-PAAm.
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Voets IJK, van der Burgh S, Farago B, et al. Electrostatically driven coassembly of a diblock copolymer and an oppositely charged homopolymer in aqueous solutions. Macromolecules. 2007;40(23):8476-8482.
Voets, I. J. K., van der Burgh, S., Farago, B., Fokkink, R., Kovacevic, D., Hellweg, T., de Keizer, A., et al. (2007). Electrostatically driven coassembly of a diblock copolymer and an oppositely charged homopolymer in aqueous solutions. Macromolecules, 40(23), 8476-8482.
Voets, I. J. K., van der Burgh, S., Farago, B., Fokkink, R., Kovacevic, D., Hellweg, T., de Keizer, A., and Stuart, M. A. C. (2007). Electrostatically driven coassembly of a diblock copolymer and an oppositely charged homopolymer in aqueous solutions. Macromolecules 40, 8476-8482.
Voets, I.J.K., et al., 2007. Electrostatically driven coassembly of a diblock copolymer and an oppositely charged homopolymer in aqueous solutions. Macromolecules, 40(23), p 8476-8482.
I.J.K. Voets, et al., “Electrostatically driven coassembly of a diblock copolymer and an oppositely charged homopolymer in aqueous solutions”, Macromolecules, vol. 40, 2007, pp. 8476-8482.
Voets, I.J.K., van der Burgh, S., Farago, B., Fokkink, R., Kovacevic, D., Hellweg, T., de Keizer, A., Stuart, M.A.C.: Electrostatically driven coassembly of a diblock copolymer and an oppositely charged homopolymer in aqueous solutions. Macromolecules. 40, 8476-8482 (2007).
Voets, IlJa K., van der Burgh, Stefan, Farago, Bela, Fokkink, Remco, Kovacevic, Davor, Hellweg, Thomas, de Keizer, Arie, and Stuart, Martien A. Cohen. “Electrostatically driven coassembly of a diblock copolymer and an oppositely charged homopolymer in aqueous solutions”. Macromolecules 40.23 (2007): 8476-8482.
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