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Issue 41, 2015
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Molecular design of a discrete chain-folding polyimide for controlled inkjet deposition of supramolecular polymers

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Abstract

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.

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

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Supplementary files

Article information


Submitted
28 Apr 2015
Accepted
11 Aug 2015
First published
13 Aug 2015

Polym. Chem., 2015,6, 7342-7352
Article type
Paper

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

L. R. Hart, J. L. Harries, B. W. Greenland, H. M. Colquhoun and W. Hayes, Polym. Chem., 2015, 6, 7342
DOI: 10.1039/C5PY00622H

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