Fig. 2

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Déconvolution de la région des liaisons C ═ O du spectre IR du PEEK après 324 h d’exposition à 300 °C sous 0,21 bar d’oxygène (a) et après 196 h d’exposition à 250 °C sous 10 bars d’oxygène (b).
Deconvolution of the region of C ═ O bonds in the IR spectrum of PEEK after 324 h of exposure at 300 °C under 0.21 bar of oxygen (a) and after 196 h of exposure at 250 °C under 10 bars of oxygen (b).
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