Characterization of polybutadiene-poly(ethyleneoxide) aggregates in aqueous solution: A light-scattering and small-angle neutron-scattering study

Fuetterer T, Nordskog A, Hellweg T, Findenegg GH, Foerster S, Dewhurst CD (2004)
Physical Review E 70(4).

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For diblockcopolymers of polybutadiene-poly(ethyleneoxide) (PB-PEO) type, water is a selective solvent. In dependence of the length of both blocks and the block length ratio, these polymers form a multitude of self-assembled structures in solution. In the present work scattering methods are used to investigate the water-soluble polymer PB125-PEO155. It is found to form long rodlike micelles, which are characterized with respect to the aggregate length L, the cross sectional radius R-CS, the radial scattering length density profile sigma(r), and the radial aggregation number N-rad. Model-independent as well as model-based approaches are used for the scattering data analysis. From dynamic light scattering (DLS) and static light scattering (SLS) experiments the weight averaged length L-w of these stiff elongated aggregates is determined to L-w=350 nm. Small angle neutron scattering (SANS) reveals a cross sectional radius of R-CS = 17 nm and in combination with results from the SLS the radial aggregation number is found to be N-rad=70.
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Physical Review E
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70
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Fuetterer T, Nordskog A, Hellweg T, Findenegg GH, Foerster S, Dewhurst CD. Characterization of polybutadiene-poly(ethyleneoxide) aggregates in aqueous solution: A light-scattering and small-angle neutron-scattering study. Physical Review E. 2004;70(4).
Fuetterer, T., Nordskog, A., Hellweg, T., Findenegg, G. H., Foerster, S., & Dewhurst, C. D. (2004). Characterization of polybutadiene-poly(ethyleneoxide) aggregates in aqueous solution: A light-scattering and small-angle neutron-scattering study. Physical Review E, 70(4). doi:10.1103/PhysRevE.70.041408
Fuetterer, T., Nordskog, A., Hellweg, T., Findenegg, G. H., Foerster, S., and Dewhurst, C. D. (2004). Characterization of polybutadiene-poly(ethyleneoxide) aggregates in aqueous solution: A light-scattering and small-angle neutron-scattering study. Physical Review E 70.
Fuetterer, T., et al., 2004. Characterization of polybutadiene-poly(ethyleneoxide) aggregates in aqueous solution: A light-scattering and small-angle neutron-scattering study. Physical Review E, 70(4).
T. Fuetterer, et al., “Characterization of polybutadiene-poly(ethyleneoxide) aggregates in aqueous solution: A light-scattering and small-angle neutron-scattering study”, Physical Review E, vol. 70, 2004.
Fuetterer, T., Nordskog, A., Hellweg, T., Findenegg, G.H., Foerster, S., Dewhurst, C.D.: Characterization of polybutadiene-poly(ethyleneoxide) aggregates in aqueous solution: A light-scattering and small-angle neutron-scattering study. Physical Review E. 70, (2004).
Fuetterer, T, Nordskog, A, Hellweg, Thomas, Findenegg, GH, Foerster, S, and Dewhurst, CD. “Characterization of polybutadiene-poly(ethyleneoxide) aggregates in aqueous solution: A light-scattering and small-angle neutron-scattering study”. Physical Review E 70.4 (2004).

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