Physico-chemical approach of polymer chemical ageing: a short review
Article dans une revue avec comité de lecture
Auteur
RICHAUD, EmmanuelRésumé
Polymers are known to degrade in their use conditions, with the risk that their properties reach unacceptable level. This paper reviews the modeling of modifications occurring at molecular and architectural changes occurring during their chemical ageing, with the aim of predicting the physical (mechanical) properties, all values being linked by structure properties relationships
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Article dans une revue avec comité de lecture; ;FAYOLLE, Bruno; RICHAUD, Emmanuel (Elsevier, 2016)
The thermal oxidative ageing of vinyl ester and unsaturated polyester was studied at temperatures ranging from 120 to 160°C and oxygen pressures ranging from 0.02 to 2.0 MPa. The oxidation of both materials was shown to ...
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Article dans une revue avec comité de lecture; ; ; ; ; ;RICHAUD, Emmanuel (Elsevier, 2017)
The in situ thermal oxidation of thin unstabilized polydicyclopentadiene was studied by TGA to monitor mass gain, and DSC to characterize hydroperoxides concentration. Results were discussed using kinetic analysis, which ...
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Article dans une revue avec comité de lecture;FAYOLLE, Bruno; RICHAUD, Emmanuel (Elsevier, 2017)
Thermal oxidation of three epoxy resins differing by the nature of prepolymer (bisphenol A diglycidyl ether and 1,4-butanediol diglycidyl ether) and hardener (isophorone diamine and 4,7,10-Trioxa-1,13-tridecanediamine) was ...
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Article dans une revue avec comité de lecture; ; ; ; ; ;RICHAUD, Emmanuel (Elsevier, 2015)
This work aims to determine and understand the influence of UV weathering on the reprocessing of a wood-plastic composite (WPC), i.e. of a wood flour reinforced polypropylene (PP) composites. Two wood flour contents (10% ...
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Article dans une revue avec comité de lecture; ;COLIN, Xavier; RICHAUD, Emmanuel (Elsevier, 2015)
A general kinetic model for the photothermal oxidation of polypropylene has been derived from the basic auto-oxidation mechanistic scheme in which the main sources of radicals are the thermolysis and photolysis of the most ...