Lifetime prediction of ABS polymers based on thermoanalytical data

Autor:	Jana Kovářová, L. Rosík, Jan Pospíšil
Rok vydání:	1996
Předmět:	Arrhenius equation chemistry.chemical_classification Materials science Extrapolation Concentration effect Polymer Activation energy Isothermal process symbols.namesake Natural rubber chemistry visual_art Service life symbols visual_art.visual_art_medium Composite material
Zdroj:	Journal of Thermal Analysis. 46:465-470
ISSN:	1572-8943 0368-4466
Popis:	The service life of ABS polymer, stabilized by 2-(3,5-di-tert-butyl-4-hydroxyanilino)-4,6-bis(octylthio)-1,3,5-triazine and containing 50% of a modifying rubber component, was estimated from oxidative induction times measured by DSC in isothermal mode in the temperature interval 140–170°C. The lifetime of ABS powder at the actual temperature of drying was predicted by linear extrapolation according to Arrhenius. However, the extrapolated value was much longer than the real lifetime determined from the long-term oven aging tests at 70 and 90°C, simulating the industrial drying process. The effect of changes in the apparent activation energy of oxidation due to antioxidant consumption during polymer aging is discussed.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::7b9acc0861c4521060e912fad58e51ac https://doi.org/10.1007/bf02135023 Zobrazit plný text záznamu Full text from SpringerLink