Thermal and radio-oxidation of epoxy coatings
Article dans une revue avec comité de lecture
Auteur
GALANT, CKUNTZ, M.VERDU, Jacques 
FAYOLLE, BrunoRésumé
Degradation induced by thermal (50-110 °C) and radio-oxidation of low T g epoxy-amine networks has been studied. It has been found that oxidation leads mainly to amide groups formation at the vicinity of tertiary amines whatever ageing conditions (thermal or radio-oxidation at 200 Gy h -1 ). In addition, some species as acids, peracids or formates have been revealed indicating a chain scission process. Physical modifications as T g decrease and soluble fraction increase due to chain scission process, have been correlated with chemical modifications.
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Article dans une revue avec comité de lecture; ; ; ;FAYOLLE, Bruno (Elsevier, 2010)
The degradation of an epoxy-amine network exposed to gamma irradiation in oxygen atmosphere has been studied by using a variety of analytical methods, including infrared spectroscopy (FTIR), differential scanning calorimetry ...
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Article dans une revue avec comité de lecture; ; ; ;FAYOLLE, Bruno (Elsevier, 2014)
tThe thermo-oxidative behavior of unformulated (unfilled) samples of epoxy coatings has been studiedat five temperatures ranging from 70◦C to 150◦C. Two epoxy networks based on diglycidyl ether ofbisphenol A (DGEBA), ...
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Article dans une revue avec comité de lecture; ; ; ;FAYOLLE, Bruno (Elsevier, 2014)
Epoxy networks based on Diglycidyl ether of bisphenol A (DGEBA) and cured with Jeffamines (POPA) or polyamidoamine (PAA) were gamma irradiated at 25 1C in air. Dose rates of 50, 200 or 2000 Gy h- 1 for doses up 100 kGy ...
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Article dans une revue avec comité de lecture; ; ;FAYOLLE, Bruno; RICHAUD, Emmanuel (Institut Français du Pétrole, 2015)
This paper deals with polymer-fuel interaction focusing on specific effects of biofuels on polyethylene (PE) in automotive applications. The practical objective is to develop a predictable approach for durability of ...
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Article dans une revue avec comité de lecture; ; ; ;FAYOLLE, Bruno; RICHAUD, Emmanuel (Elsevier, 2014)
The present article reports a study of thermal oxidation of unstabilized polyamide 11 films at several temperatures (90–165 °C) under atmospheric pressure and under various oxygen pressures (up to 1.6 MPa) at 110 °C. The ...