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Lacroixdesmazes, Patrick
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article
Reverse Iodine Transfer Polymerization (RITP) of 1,1,2,2‐Tetrahydroperfluorodecyl Acrylate in Supercritical Carbon Dioxide
Abstract
<jats:p>Reverse iodine transfer polymerization (RITP) of 1,1,2,2‐tetrahydroperfluorodecyl acrylate (FDA) is successfully performed in supercritical carbon dioxide (scCO<jats:sub>2</jats:sub>) at 70 °C under a CO<jats:sub>2</jats:sub> pressure of 300 bar. PolyFDA (PFDA) of increasing molecular weights (from 10 000 to 100 000 g mol<jats:sup>−1</jats:sup>) is synthesized with good agreement between theoretical, <jats:sup>1</jats:sup>H NMR spectroscopy and and size exclusion chromatography/refractive index/right‐angle laser‐light scattering/differential viscometer (SEC/RI/RALLS/DV)‐estimated molecular weights (<jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="graphic/macp201300385-math-0001.png" xlink:title="urn:x-wiley:10221352:macp201300385:equation:macp201300385-math-0001" />). Furthermore, the increase of <jats:inline-graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="graphic/macp201300385-math-0002.png" xlink:title="urn:x-wiley:10221352:macp201300385:equation:macp201300385-math-0002" /> goes with a decrease of the dispersity of the polymers (<jats:italic>Đ</jats:italic> from 2.06 to 1.33), which is consistent with a controlled radical polymerization (CRP). Lastly, the structure of final PFDA and therefore the RITP process are confirmed by matrix‐assisted laser desorption ionization time‐of‐flight mass spectrometry (MALDI‐TOF MS) analyses. <jats:boxed-text content-type="graphic" position="anchor"><jats:graphic xmlns:xlink="http://www.w3.org/1999/xlink" mimetype="image/jpg" position="anchor" specific-use="enlarged-web-image" xlink:href="graphic/macp201300385-abs-0001-m.jpg"><jats:alt-text>image</jats:alt-text></jats:graphic></jats:boxed-text></jats:p>