Abstract
A new amphiphilic ABA triblock copolymer was synthesized by ring-opening metathesis polymerization (ROMP) and atom transfer radical polymerization (ATRP) in ionic liquid (IL). The bromo-terminated macroinitiator was prepared via ROMP of norbornene derivative, which is compatible with ionic liquid [bmim][BF4], in conjunction with a chain transfer agent (CTA) in [bmim][BF4]. ROMP with CTA in [bmim][BF4] exhibited a different performance by changing the reaction conditions, and importantly there has been a good control over polymerization process and relatively low polydispersity index of polymer in [bmim][BF4]. Based on the telechelic macroinitiator, the amphiphilic ABA triblock copolymer was synthesized by ATRP in [bmim][BF4]. The prepared PDMAEMA-PNBEDE-PDMAEMA triblock copolymer can self-assemble spontaneously in H2O to form polymeric micelles, which was characterized by DLS, AFM, and TEM.
| Original language | English |
|---|---|
| Pages (from-to) | 1601-1608 |
| Number of pages | 8 |
| Journal | Reactive and Functional Polymers |
| Volume | 68 |
| Issue number | 12 |
| DOIs | |
| State | Published - Dec 2008 |
Keywords
- Atom transfer radical polymerization (ATRP)
- Block copolymers
- Ionic liquid
- Micelles
- Ring-opening metathesis polymerization (ROMP)
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