Price, G. J., Lenz, E. J. and Ansell, C. W. G., 2002. The effect of high-intensity ultrasound on the ring-opening polymerisation of cyclic lactones. European Polymer Journal, 38 (9), pp. 1753-1760.
High-intensity ultrasound has been applied to the ring-opening polymerisation of delta-valerolactone and epsilon-caprolactone catalysed by dibutyl tin dilaurate. Sonication was found to accelerate the polymerisation. In the case of delta-valerolactone, sonication also promoted a depolymerisation reaction so that the molecular weight fell during later stages of the reaction. Co-polymers of the two monomers were synthesised and the use of ultrasound led to preferential incorporation of epsilon-caprolactone into the material, probably due to degradation of the valerolactone sequences. (C) 2002 Elsevier Science Ltd. All rights reserved.
|Item Type ||Articles|
|Creators||Price, G. J., Lenz, E. J. and Ansell, C. W. G.|
|Departments||Faculty of Science > Chemistry|
|Publisher Statement||DRAFT_73_The_Effect_of_High_Intensity_Ultrasound_on_the_Ring_Opening_Polymerisation_of_Cyclic_Lactones.pdf: NOTICE: this is the author’s version of a work that was accepted for publication in European Polymer Journal. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in European Polymer Journal, 38(9), 2002. http://dx.doi.org/10.1016/S0014-3057(02)00056-3|
|Additional Information||ID number: ISI:000176744400006|
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