Abstract
In this work, we present static light scattering results from clusters formed from mesoscopic gel particles. The resultant I(q) curves show two power law behaviours within the experimentally accessible q window. At low q, the scattered intensity is sensitive to the aggregate structure factor, allowing cluster fractal dimensions to be determined. The particles form factor becomes noticeable at higher scattering wave vectors and the intensity is dominated by the scattering from the interfaces between the colloidal particles and the surrounding fluid. The exponents characterising the I(q) behaviour in this region are similar to those obtained for thermo-sensitive microgels.
Acknowledgements Financial support by Ministerio de Ciencia y Tecnologia under project MAT-2001-2767.
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Fernández-Nieves, A., Fernández-Barbero, A., de las Nieves, F.J. Static light scattering from fractal aggregates of microgel particles. In: Miguel, M., Burrows, H. (eds) Trends in Colloid and Interface Science XVI. Progress in Colloid and Polymer Science, vol 123. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-36462-7_54
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DOI: https://doi.org/10.1007/978-3-540-36462-7_54
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