ORBi: Raquez Jean-Marie - Oxidative degradations of oxodegradable LDPE enhanced with thermoplastic pea starch: thermo-mechanical properties, morphology, and UV-ageing studies

Reference : Oxidative degradations of oxodegradable LDPE enhanced with thermoplastic pea starch: the...


	Document type :	Scientific journals : Article
	Discipline(s) :	Physical, chemical, mathematical & earth Sciences : Chemistry
	To cite this reference:	http://hdl.handle.net/2268/126416

Title :	Oxidative degradations of oxodegradable LDPE enhanced with thermoplastic pea starch: thermo-mechanical properties, morphology, and UV-ageing studies
Language :	English
Author, co-author :	Raquez, Jean-Marie [Université de Mons - UMONS > Center of Innovation and Research in Materials and Polymers (CIRMAP) > Laboratory of Polymeric and Composite Materials > >]
	Bourgeois, Aurore [Cosucra Groupe Warcoing S.A. > > > >]
	Jacobs, Heidi [Cosucra Groupe Warcoing S.A. > > > >]
	Degée, Philippe [Université de Mons - UMONS > Center of Innovation and Research in Materials and Polymers (CIRMAP) > Laboratory of Polymeric and Composite Materials > >]
	Alexandre, Michaël [Materia Nova asbl > > > >]
	Dubois, Philippe [Université de Mons - UMONS > Center of Innovation and Research in Materials and Polymers CIRMAP > Laboratory of Polymeric and Composite Materials > >]
Publication date :	2011
Journal title :	Journal of Applied Polymer Science
Publisher :	Wiley
Volume :	122
Issue/season :	1
Pages :	489–496
Audience :	International
ISSN :	0021-8995
Keywords :	[en] biodegradable polymer ; polymer blend
Abstract :	[en] The abiotic UV-degradation behavior of oxodegradable LDPE was investigated in the presence of thermoplastic pea starch (TPPS) in this study. Oxodegradable LDPE was first melt-blended with thermoplastic pea starch (TPPS) using an internal mixing chamber to enhance the abiotic oxidative degradation of oxodegradable LDPE. Because of their different affinity, maleated polyethylene was added as compatibilizer. Tensile properties, thermal properties, and morphology of resulting melt-blends were determined at different content in TPPS. High content in TPPS (40 wt %) could be readily added to oxodegradable LDPE without affecting the tensile properties of resulting melt-blends. UV-ageing studies on compatibilized TPPS/oxodegradable LDPE melt-blends were carried out by Attenuated Total Reflectance infrared spectroscopy (ATR-FTIR), Dynamic Thermomechanical Analyses (DMTA) and Differential Scanning Calorimetry (DSC) under abiotic conditions. These results suggested a synergistic effect on the UV-ageing of TPPS-based melt-blends provided by both components during the first stage of UV-irradiation.
Target :	Researchers
Permalink :	http://hdl.handle.net/2268/126416
DOI :	10.1002/app.34190

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