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Molecular design of a discrete chain-folding polyimide for controlled inkjet deposition of supramolecular polymers

Hart, L., Harries, J. L., Greenland, B. W., Colquhoun, H. and Hayes, W. (2015) Molecular design of a discrete chain-folding polyimide for controlled inkjet deposition of supramolecular polymers. Polymer Chemistry, 6 (41). pp. 7342-7352. ISSN 1759-9954

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To link to this item DOI: 10.1039/c5py00622h

Abstract/Summary

A supramolecular polymer based upon two complementary polymer components is formed by sequential deposition from solution in THF, using a piezoelectric drop-on-demand inkjet printer. Highly efficient cycloaddition or ‘click’ chemistry afforded a well-defined poly(ethylene glycol) featuring chain-folding diimide end groups, which possesses greatly enhanced solubility in THF relative to earlier materials featuring random diimide sequences. Blending the new polyimide with a complementary poly(ethylene glycol) system bearing pyrene end groups (which bind to the chain-folding diimide units) overcomes the limited solubility encountered previously with chain-folding polyimides in inkjet printing applications. The solution state properties of the resulting polymer blend were assessed via viscometry to confirm the presence of a supramolecular polymer before depositing the two electronically complementary polymers by inkjet printing techniques. The novel materials so produced offer an insight into ways of controlling the properties of printed materials through tuning the structure of the polymer at the (supra)molecular level.

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:43349
Publisher:Royal Society of Chemistry

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