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Exploiting thermally-reversible covalent bonds for the controlled release of microencapsulated isocyanate crosslinkers

Budd, M. E., Stephens, R., Afsar, A., Salimi, S. and Hayes, W. (2019) Exploiting thermally-reversible covalent bonds for the controlled release of microencapsulated isocyanate crosslinkers. Reactive and Functional Polymers, 135. pp. 23-31. ISSN 1381-5148

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To link to this item DOI: 10.1016/j.reactfunctpolym.2018.12.008

Abstract/Summary

The paper reports the successful synthesis of microcapsules that incorporate thermally-reversible Diels-Alder or oxime-urethane bonds within the polymer of the microcapsule shell using an interfacial polymerisation technique. The mechanical strength of these microcapsules was found to be dependent on the structure of the thermally-reversible functionality, thus allowing for the design of strong microcapsules that demonstrated excellent stability in one-pot PU formulations. Release of the encapsulated isocyanate crosslinkers using a thermal stimulus demonstrated the potential of this technology for use in the controlled polymerisation of one-pot PU systems.

Item Type:Article
Refereed:Yes
Divisions:Interdisciplinary centres and themes > Chemical Analysis Facility (CAF)
Faculty of Life Sciences > School of Chemistry, Food and Pharmacy > Department of Chemistry
ID Code:81149
Publisher:Elsevier

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