Controlled synthesis of amphiphilic poly(methacrylate)-g-[poly(ester)/ poly(ether)] graft terpolymers

Isabelle Ydens, Philippe Degée, Jan Libiszowski, Andrzej Duda, Stanislaw Penczek, Philippe Dubois

Research output: Contribution in Book/Catalog/Report/Conference proceedingConference contribution

Abstract

Coupling atom transfer radical polymerization (ATRP) and coordination-insertion ring-opening polymerization (ROP) allows access to well-defined poly(methacrylate)-g[poly(ester)/poly(ether)] graft terpolymers according to a twostep procedure. In the first step, the controlled copolymerization of methyl methacrylate (MMA), 2-hydroxyethyl methacrylate (HEMA) and poly(ethylene glycol) methyl ether methacrylate (PEGMA) was carried out by using ethyl 2-bromoisobutyrate and NiBr2(PPh3) 2 as initiator and catalyst, respectively. The second step consisted of the ringopening polymerization (ROP) of ε-caprolactone (CL) or L,L-dilactide (LA) initiated by poly(MMA-co-HEMA-co-PEGMA) in the presence of either tin (II) bis(2-ethylhexanoate) (Sn(Oct)2) or triethylaluminum (AlEt3). The resulting graft copolymers as well as the intermediate poly(MMA-co-HEMA-co-PEGMA) terpolymers proved to be efficient surfactants as evidenced by dynamic interfacial tension measurements.

Original languageEnglish
Title of host publicationAdvances in Controlled/Living Radical Polymerization
EditorsKrzysztof Matyjaszewski
Pages283-298
Number of pages16
Publication statusPublished - 1 Dec 2003
Externally publishedYes

Publication series

NameACS Symposium Series
Volume854
ISSN (Print)0097-6156

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