Thermal oxydation during extrusion of polyolefins

Claire Dubrocq (1) , Bernard Monasse (1) , Marc Milesi (1) , Géraldine Rames-Langlade (2)

1 CEMEF - Centre de Mise en Forme des Matériaux
2 CRCD - Centre de Recherche Claude Delorme [Jouy-en-Josas]

The thermal oxidation during extrusion of polyethylene was studied under inert gas (nitrogen and CO2) and compared with extrusion under air atmosphere. A strong reduction of degradation rate was found by optical observation and by infrared analyses. A mechanism for the change of color is proposed.

Domaines: Matériaux

Claire Dubrocq, Bernard Monasse, Marc Milesi, Géraldine Rames-Langlade. Thermal oxydation during extrusion of polyolefins. 22nd Annual Meeting of the Polymer Processing Society (PPS-22), Jul 2006, Yamagata, Japan. 2 p. ⟨hal-00851356⟩