Article (Scientific journals)
Preparation of pH-sensitive star-shaped aliphatic polyesters as precursors of polymersomes
Riva, Raphaël; Lazzari, Wenda; Billiet, Leen et al.
2011In Journal of Polymer Science. Part A, Polymer Chemistry, 49 (7), p. 1552-1563
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Keywords :
ring-opening polymerization (ROP); lactone; star-shaped polymer
Abstract :
[en] The synthesis of a new pH-sensitive amphiphilic A2B mikto-arm star-shaped aliphatic copolyester (with A = PCL and B = tertiary amine-bearing PCL) with two hydrophobic arms and one hydrophilic arm when protonated at pH = 5.5. The copper mediated azide-alkyne cycloaddition was used for the synthesis of the star copolyester and to impart the pH sensitivity to the hydrophilic arm by grafting of tertiary amine groups onto azide bearing PCL chain. The formation of polymersomes in water at pH 5 was assessed by DLS and TEM analyses.
Research center :
Center for Education and Research on Macromolecules (CERM)
Disciplines :
Materials science & engineering
Chemistry
Author, co-author :
Riva, Raphaël ;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Lazzari, Wenda;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Billiet, Leen;  University of Ghent > Department of Organic Chemistry > Polymer Chemistry Research Group (PCR)
Du Prez, Filip;  University of Ghent > Department of Organic Chemistry > Polymer Chemistry Research Group (PCR)
Jérôme, Christine  ;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Lecomte, Philippe  ;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Language :
English
Title :
Preparation of pH-sensitive star-shaped aliphatic polyesters as precursors of polymersomes
Publication date :
01 April 2011
Journal title :
Journal of Polymer Science. Part A, Polymer Chemistry
ISSN :
0887-624X
eISSN :
1099-0518
Publisher :
Wiley, New York, United States - New York
Volume :
49
Issue :
7
Pages :
1552-1563
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
BELSPO - SPP Politique scientifique - Service Public Fédéral de Programmation Politique scientifique
The Institute for the Promotion of Innovation through Science and Technology in Flanders, Belgium
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since 18 March 2011

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