Reaction of acetylenedicarboxylic acid made easy: high-pressure route for polymerization

Amit Delori, Ian B. Hutchison, Craig L. Bull, Nick P. Funnell, Andrew J. Urquhart, Iain D. H. Oswald

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Abstract

A breakthrough has been achieved in improving the efficiency of solid-state polymerization of acetylenedicarboxylic acid (ADCA). Traditional solid state polymerization of ADCA is marked by long exposure times of γ-radiation (>10 days) and very low yields (around 5.5%). We have been able to perform a reaction to an n=8 oligomer, as confirmed by MALDI-TOF, in less than 2 minutes by employing ~6 GPa of pressure. We have determined the crystal structure of ADCA on increasing pressure to (5.2 GPa) to provide insight into the process of polymerization with Pixel calculations supporting our evaluation of the polymerization process.
Original languageEnglish
Number of pages7
JournalCrystal Growth and Design
Early online date22 Jan 2018
DOIs
Publication statusE-pub ahead of print - 22 Jan 2018

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Keywords

  • high pressure
  • polymerisation
  • diamond anvil cell
  • crystal structure

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