[en] The recently developed 'ligated' technique has proved to be very successful in promoting living anionic polymerization of (meth)acrylic ester monomers. The efficient ligands discovered to date include mu, sigma and mu-sigma dual types. The roles of these ligands in the control of livingness and stereoregularity of anionic polymerization of (meth)acrylates are discussed in detail. There is convincing evidences that both ligation thermodynamics (electron density redistribution and steric hindrance in the formed active complex) and kinetics (how fast and in which way ligation occurs) are very critical in promoting the livingness. Moreover, steric hindrance appears to be a determining factor maintaining the process 'living' under more demanding conditions.
Research center :
Center for Education and Research on Macromolecules (CERM)
Disciplines :
Materials science & engineering Chemistry
Author, co-author :
Wang, Jin-Shan; University of Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Jérôme, Robert ; University of Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Teyssié, Philippe ; University of Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Language :
English
Title :
Mechanistic aspects of ligated anionic living polymerization (LAP) - the case of (meth)acrylic ester monomers
Publication date :
1995
Journal title :
Journal of Physical Organic Chemistry
ISSN :
0894-3230
eISSN :
1099-1395
Publisher :
John Wiley & Sons, Inc
Volume :
8
Pages :
208-221
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
BELSPO - SPP Politique scientifique - Service Public Fédéral de Programmation Politique scientifique Elf Atochem [FR]
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