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Reactions of antioxidants with molecular oxygen. Part II. Isooctyl-3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate in silicone matrix

Article dans une revue avec comité de lecture
Author
NAVARRO, R.
86289 Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]
AUDOUIN, Ludmila
86289 Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]
VERDU, Jacques
86289 Laboratoire Procédés et Ingénierie en Mécanique et Matériaux [PIMM]

URI
http://hdl.handle.net/10985/17921
DOI
10.1016/j.polymdegradstab.2011.01.024
Date
2011
Journal
Polymer Degradation and Stability

Abstract

The study of oxidation kinetics of isooctyl-3-(3,5-di-tert-butyl-4- hydroxyphenyl)propionate (Irganox 1135) stabiliser was carried out using silicone oil as an inert substrate. The stabiliser was exposed at 80-120 °C under 0.02-3.0 MPa oxygen pressure. UV/VIS spectrophotometry, gel permeation chromatography and high pressure liquid chromatography were used to follow the stabiliser consumption, whose kinetic parameters were determined by applying a simple kinetic model.

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