Turkish Journal of Chemistry
DOI
-
Abstract
The hydrodynamic properties of micelles formed by 2 block copolymers of isoprene and tert-butylacrylate in n-octane were investigated by dynamic light scattering (DLS) over a range of temperatures and concentrations using both the cumulants and histogram methods. By means of the histogram method it was possible to determine the average hydrodynamic diameters of both micelles and unassociated-chains in the same solution. It was also used to determine the z-average fraction of unassociated-chains at a particular concentration and temperature, and it provided an alternative route when combined with static light scattering (SLS) for determining the thermodynamics of micellisation. The overall-average diffusion coefficient, \overline{D}_z, values and the average hydrodynamic diameters, (\overline{d_h^{-1}})_z^{-1}, of the 2 block copolymers were determined by means of the cumulants method.
Keywords
Block copolymers, hydrodynamic properties, micellisation
First Page
487
Last Page
496
Recommended Citation
ÜNAL, HALİL İBRAHİM and PRICE, COLIN (2004) "The Hydrodynamic Properties of Micelles Formed by Block Copolymers of Isoprene and tert-Butylacrylate in n-Octane," Turkish Journal of Chemistry: Vol. 28: No. 4, Article 11. Available at: https://journals.tubitak.gov.tr/chem/vol28/iss4/11