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, 2011)
This article deals with polypropylene stabilization by hindered 2,6-di-tert-butylphenols. Two aspects are mainly considered: the influence of stabilizer structure, of its concentration and temperature on induction period ...
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Article dans une revue avec comité de lectureRICHAUD, Emmanuel (Elsevier, 2014)
This paper reports a compilation of data for PE+Vitamin E and 2,6-di-tert-butylphenols oxidation in radio-thermal ageing. Data unambiguously show that Vitamin E reacts with P° and POO° whereas 2,6-di-tert-butyl phenols ...
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Chapitre d'ouvrage scientifique;FAYOLLE, Bruno; RICHAUD, Emmanuel (Woodhead Publishing Series - Elsevier, 2009)
As soon as it appeared on the market, one half century ago, polypropylene (PP) appeared as a promising fibre-forming polymer but with some difficulties in processing due to a lack of control of its viscoelastic properties ...
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Article dans une revue avec comité de lecture; ; ;RICHAUD, Emmanuel (Elsevier, 2014)
Thermal aging of thin films of unstabilized polydicyclopentadiene (pDCPD) at several temperatures ranging from 120 to 30 C was investigated by means of carbonyl build up by FTIR with ammonia derivatization, double bond ...
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Co-oxidation kinetic model for the thermal oxidation of polyethylene-unsaturated substrate systems Article dans une revue avec comité de lecture; ;FAYOLLE, Bruno; RICHAUD, Emmanuel (Elsevier, 2013)
The thermal oxidation of polyethylene (PE) impregnated by the methyl esters of unsaturated fatty acids (UFEs) was studied using chemiluminescence, and infra-red spectrophotometry. It was shown that the presence of UFEs ...