[en] Polyesters are currently synthesized by a step-growth mechanism from a mixture of a diol and a diacid (or a diacid derivative), or from a hydroxy-acid when available. Ring-opening polymerization (ROP) of lactones and related compounds is an alternative method for the synthesis of aliphatic polyesters. Comparison of these two mechanisms is clearly in favor of the polyaddition process. The drawbacks of polycondensation are well known:high temperatures and long reaction times are required to produce high-molecular-weight chains. Even though conversion of the hydroxyl and acid group is close to completion, any departure from the reaction stoichiometry has a very detrimental effect on the chain length.
Research Center/Unit :
Center for Education and Research on Macromolecules (CERM)
Disciplines :
Chemistry Materials science & engineering
Author, co-author :
Lögfren, Anders; The Royal Institute of Technology, Stockholm, Sweden > Department of Polymer Technology
Albertsson, Ann-Christine; The Royal Institute of Technology, Stockholm, Sweden > Department of Polymer Technology
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 :
Recent advances in ring-opening polymerization of lactones and related compounds
Publication date :
1995
Journal title :
Journal of Macromolecular Science. Reviews in Macromolecular Chemistry and Physics
BELSPO - SPP Politique scientifique - Service Public Fédéral de Programmation Politique scientifique The Swedish Board for Technical Development (NUTEK)
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