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Water Sensitive Coatings Deposited by Aerosol Assisted Atmospheric Plasma Process: Tailoring the Hydrolysis Rate by the Precursor Chemistry

Abstract : Biocompatible plasma polymers are expected to be used in various applications in medicine such as drug delivery with a controlled release. In this context we investigated the possibility to monitor the kinetic of hydrolytic degradation of plasma polymers by tailoring the chemistry of the precursor. A homemade precursor way synthesized by grafting acrylate function on both side of a polycaprolactone diol (PCL diol) to produce a PCL diacrylate characterized by IR, NMR, and MS to confirm its chemical structure. Acrylates constitute a promising class of precursors to improve the retention of the integrity of the precursor by working in soft plasma conditions. The plasma polymerization of the so-synthesized precursor have been highlighted by means of a multi technique analytical strategy and ensured the retention of hydrolyzable ester function of the precursor. Finally the thickness consumption during immersion in PBS were performed and found to be slower as compared to the degradation kinetic of a plasma polymerized methacrylic anhydride.
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Submitted on : Tuesday, February 7, 2017 - 5:36:34 PM
Last modification on : Thursday, July 9, 2020 - 1:12:02 PM

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Gregory Mertz, Thierry Fouquet, Hicham Ibn El Ahrach, Claude Becker, Trang N. T. Phan, et al.. Water Sensitive Coatings Deposited by Aerosol Assisted Atmospheric Plasma Process: Tailoring the Hydrolysis Rate by the Precursor Chemistry. Plasma Processes and Polymers, Wiley-VCH Verlag, 2015, 12 (11), pp.1293--1301. ⟨10.1002/ppap.201500032⟩. ⟨hal-01460647⟩

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