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Thermal oxidative stability of polyanilines

Type
Articles dans des revues avec comité de lecture
Author
TRÂN, Thanh Hiền
203902 Institut des Molécules et Matériaux du Mans [IMMM]
DEBARNOT, Dominique
203902 Institut des Molécules et Matériaux du Mans [IMMM]
RICHAUD, Emmanuel
86289 Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]

URI
http://hdl.handle.net/10985/18402
DOI
10.1016/j.polymertesting.2019.106187
Date
2020
Journal
Polymer Testing

Abstract

This paper deals with thermal ageing of polyaniline obtained from plasma or chemical ways. FTIR analyses suggest the formation of stable carbonyl compounds in both cases. The plasma polyaniline degrades clearly faster than its chemical analog which is discussed from structural considerations. The consequences of thermal ageing on the surface properties monitored by Water Contact Angles (WCA) are also considered and explained as the overlap of an “oxidation” component that decreases WCA and a “crosslinking” component (only observed in plasma polyaniline) responsible for the WCA increase.

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