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

Raquez, Jean-Marie; Bourgeois, Aurore; Jacobs, Heidi; Degée, Philippe; Alexandre, Michaël; Dubois, Philippe

doi:10.1002/app.34190

Article (Scientific journals)

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

Raquez, Jean-Marie; Bourgeois, Aurore; Jacobs, Heidi et al.

2011 • In Journal of Applied Polymer Science, 122 (1), p. 489–496

Peer Reviewed verified by ORBi

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https://hdl.handle.net/2268/126416

DOI
10.1002/app.34190

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Keywords :

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.

Disciplines :

Chemistry

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

Language :

English

Title :

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

Publication date :

2011

Journal title :

Journal of Applied Polymer Science

ISSN :

0021-8995

eISSN :

1097-4628

Publisher :

Wiley

Volume :

122

Issue :

Pages :

489–496

Peer reviewed :

Peer Reviewed verified by ORBi

Available on ORBi :

since 28 June 2012

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