Article (Scientific journals)
Bulk polymerization of lactides initiated by aluminium isopropoxide, 3a). Thermal stability and viscoelastic properties
Degée, Philippe; Dubois, Philippe; Jérôme, Robert
1997In Macromolecular Chemistry and Physics, 198 (6), p. 1985-1995
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Keywords :
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 center :
Center for Education and Research on Macromolecules (CERM)
Disciplines :
Materials science & engineering
Chemistry
Author, co-author :
Degée, Philippe;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Dubois, Philippe ;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Jérôme, Robert ;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Language :
English
Title :
Bulk polymerization of lactides initiated by aluminium isopropoxide, 3a). Thermal stability and viscoelastic properties
Publication date :
June 1997
Journal title :
Macromolecular Chemistry and Physics
ISSN :
1022-1352
eISSN :
1521-3935
Publisher :
Wiley-V C H Verlag Gmbh, Weinheim, Germany
Volume :
198
Issue :
6
Pages :
1985-1995
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
BELSPO - SPP Politique scientifique - Service Public Fédéral de Programmation Politique scientifique
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
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