ORBi: Degée Philippe - Bulk polymerization of lactides initiated by aluminium isopropoxide, 3a). Thermal stability and viscoelastic properties

Reference : Bulk polymerization of lactides initiated by aluminium isopropoxide, 3a). Thermal stabil...


	Document type :	Scientific journals : Article
	Discipline(s) :	Engineering, computing & technology : Materials science & engineering Physical, chemical, mathematical & earth Sciences : Chemistry
	To cite this reference:	http://hdl.handle.net/2268/4393

Title :	Bulk polymerization of lactides initiated by aluminium isopropoxide, 3a). Thermal stability and viscoelastic properties
Language :	English
Author, co-author :	Degée, Philippe [University of Liège (ULg) > Department of Chemistry > Center for Education and Research on Macromolecules (CERM) > >]
	Dubois, Philippe [University of Liège (ULg) > Department of Chemistry > Center for Education and Research on Macromolecules (CERM) > >]
	Jérôme, Robert [University of Liège (ULg) > Department of Chemistry > Center for Education and Research on Macromolecules (CERM) > >]
Publication date :	Jun-1997
Journal title :	Macromolecular Chemistry and Physics
Publisher :	Wiley-V C H Verlag Gmbh
Volume :	198
Issue/season :	6
Pages :	1985-1995
Audience :	International
ISSN :	1022-1352
City :	Weinheim
Keywords :	[en] ring-opening polymerization (ROP) ; lactone
Abstract :	[en] The thermal stability of poly(L-lactide) and L/D-lactide stereocopolymers polymerized in bulk with aluminium isopropoxide as initiator was investigated by thermogravimetric analysis, and time and température dependence of molecular weight and polydispersity. Compared to poly(L-lactide) prepared with stannous octoate as catalyst, the thermal stability of polylactides is remarkably enhanced when the ring-opening polymerization is initiated by aluminium alkoxide. Ultimate mechanical properties and viscoelasticity of these melt-stable thermoplastics have also been studied in relation to the polyester enan-tiomeric composition.
Research units :	Center for Education and Research on Macromolecules (CERM)
Funders :	Politique Scientifique Fédérale (Belgique) = Belgian Federal Science Policy ; Fonds de la Recherche Scientifique (Communauté française de Belgique) - F.R.S.-FNRS
Target :	Researchers
Permalink :	http://hdl.handle.net/2268/4393
DOI :	10.1002/macp.1997.021980624
Other URL :	http://www3.interscience.wiley.com/cgi-bin/fulltext/104078348/PDFSTART

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