Abstract
New helical poly(phenylacetylene)s have been successfully designed and synthesised and their properties checked. The new polymers behave as sensors of metal cation valences and/or the polar and donor character of solvents. In the presence of metal salts, poly(phenylacetylene)s form helical polymer–metal complexes (HPMCs) that, in the case of α-methoxyphenylacetic acid (MPA)-containing poly(phenylacetylene), has led to a new family of nanospheres made by complexation between the polymer and divalent metal ions. These HPMC nanostructures present properties such as: (1) their diameter can be tuned to different sizes, (2) the helicity of the polymeric material can be tuned to either of the two helical senses, and (3) they can encapsulate a number of inorganic and organic substances. These polymers also display phenomena such as helical inversion, chiral amplification and axial chirality selection, making them versatile materials.
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Freire, F., Seco, J.M., Quiñoá, E., Riguera, R. (2013). Helical Polymer–Metal Complexes: The Role of Metal Ions on the Helicity and the Supramolecular Architecture of Poly(phenylacetylene)s. In: Percec, V. (eds) Hierarchical Macromolecular Structures: 60 Years after the Staudinger Nobel Prize II. Advances in Polymer Science, vol 262. Springer, Cham. https://doi.org/10.1007/12_2013_260
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DOI: https://doi.org/10.1007/12_2013_260
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