Abstract
Activated seed swelling technique is commonly used in synthesis of micron sized polymeric particles. Carrier (acetone) and hydrophobe (1-chlorododecane) molecules are two essential components of the swelling system. The interference of acetone and/or 1-chlorododecane residues on particle swelling make this method difficult to carry out and even could cause a polydisperse seed swelling. In order to improve this method and shorten the process time, two alternative strategies were introduced: a carrier-free procedure using decalin instead of 1-chlorododecane, and the application of methyl-β-cyclodextrin as the carrier in place of acetone. The results showed that both alternative systems are practical, easy to carry out, less time consuming and lead to a monodisperse particle swelling under favorable conditions.
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The author thanks University of Toronto for supporting this research.
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Zohrehvand, S. Novel application of decalin and methyl-β-cyclodextrin in the activated seed swelling technique. J Polym Res 20, 103 (2013). https://doi.org/10.1007/s10965-013-0103-y
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DOI: https://doi.org/10.1007/s10965-013-0103-y