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Enhanced Templating in the Crystallisation of Poly(E-caprolactone) Using 1,3:2,4-di(4-Chlorobenzylidene) Sorbitol

Wangsoub, S., Davis, F. J., Mitchell, G. R. and Olley, R. H. (2008) Enhanced Templating in the Crystallisation of Poly(E-caprolactone) Using 1,3:2,4-di(4-Chlorobenzylidene) Sorbitol. Macromolecular Rapid Communications, 29 (23). pp. 1861-1865. ISSN 1022-1336

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To link to this article DOI: 10.1002/marc.200800497

Abstract/Summary

We show that small quantities of 1,3:2,4-di(4-chlorobenzylidene) sorbitol dispersed in poly(epsilon-caprolactone) provide a very effective self-assembling nanoscale framework which, with a flow field, yields extremely high levels of polymer crystal orientation. During modest shear flow of the polymer melt, the additive forms highly extended nano-particles which adopt a preferred alignment with respect to the flow field. On cooling, polymer crystallisation is directed by these particles. This chloro substituted dibenzylidene sorbitol is considerably more effective at directing the crystal growth of poly(epsilon-caprolactone) than the unsubstituted compound.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Science > School of Mathematical and Physical Sciences
Faculty of Life Sciences > School of Chemistry, Food and Pharmacy > Department of Chemistry
Interdisciplinary centres and themes > Chemical Analysis Facility (CAF) > Electron Microscopy Laboratory (CAF)
ID Code:1425
Uncontrolled Keywords:crystallisation, morphology, nanoparticles, orientation, shear , SELF-ASSEMBLED TEMPLATE, DIRECTED CRYSTALLIZATION, X-RAY, NUCLEATION, POLYMERS, MELTS
Publisher:Wiley

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