Premium
Characterization of contamination effects for two polypropylene‐based materials
Author(s) -
Pessey Daniel,
Bahlouli Nadia,
Raveyre Claude,
Guillet Jacques,
Ahzi Said,
Hiver JeanMarie,
Dahoun Abdesselam
Publication year - 2010
Publication title -
polymer engineering and science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.503
H-Index - 111
eISSN - 1548-2634
pISSN - 0032-3888
DOI - 10.1002/pen.21451
Subject(s) - polypropylene , materials science , contamination , rheology , extrusion , scanning electron microscope , composite material , microstructure , ethylene glycol , chemical engineering , ecology , engineering , biology
In this work, contamination effects are studied on two polypropylene‐based materials. These effects were identified on the molecular weight and on rheological and mechanical properties. Model contaminants chosen in this study were ethylene glycol and engine oil. They were added during the extrusion process to simulate the degradation due to contaminants. To quantify contamination effects and to correlate them with the microstructure evolution, scanning electron microscope (SEM) analyses were also conducted. The analysis of the different obtained results led to a better understanding of the mechanisms involved in the contamination process. Contaminants slightly affect the rheological properties, whereas mechanical properties are more influenced. These observations are confirmed by the modification of the fractured surfaces of the materials due to the presence of contaminants observed on SEM micrographs. POLYM. ENG. SCI., 2010. © 2009 Society of Plastics Engineers