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Doctoral thesis (Dissertations and theses)
Macromolecular engineering of cyclic aliphatic polyesters
Li, Haiying
2007
 

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Keywords :
ring-opening polymerization (ROP); lactone; macrocycle
Abstract :
[en] This works aims at reporting a novel strategy that combines the controlled ring-opening polymerization of lactones initiated by a cyclic tin(IV) dialkoxide and intramolecular cyclization by photo-cross-linking of pendant unsaturations next to the propagating sites. No linear species is ever involved in the polymerization, which allows higher molecular weight macrocycles to be prepared with high efficiency. Moreover, the synthetic route is very flexible to the point where macrocyclic polyesters with more complex although well-defined architectures, such as tadpole-shaped and sun-shaped copolyesters, can be tailored. Synthesis of well-defined star- and eight-shaped polyesters and twin tadpole-shaped amphiphilic copolymers has also been explored by using a spirocyclic tin(IV) alkoxide as an initiator.
Research center :
Center for Education and Research on Macromolecules (CERM)
Disciplines :
Chemistry
Materials science & engineering
Author, co-author :
Li, Haiying ;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Language :
English
Title :
Macromolecular engineering of cyclic aliphatic polyesters
Defense date :
25 January 2007
Institution :
ULiège - Université de Liège
Degree :
Doctorat en Sciences
Promotor :
Jérôme, Robert ;  Université de Liège - ULiège > Département de chimie (sciences)
President :
Demonceau, Albert ;  Université de Liège - ULiège > Département de chimie (sciences)
Jury member :
Detrembleur, Christophe ;  Université de Liège - ULiège > Complex and Entangled Systems from Atoms to Materials (CESAM)
Dubois, Philippe
Kricheldorf, Hans R
Lecomte, Philippe  ;  Université de Liège - ULiège > Complex and Entangled Systems from Atoms to Materials (CESAM)
Funders :
BELSPO - SPP Politique scientifique - Service Public Fédéral de Programmation Politique scientifique
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since 31 August 2009

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