Synthesis of amphiphilic triarm star block copolymers

We describe the synthesis and the characterization of amphiphilic triarm star block copolymers based on polystyrene, poly(methyl methacrylate), poly(ε caprolactone), poly(l lactide) and poly(ethylene oxide) blocks. This synthesis has been achieved by a new route consisting in 2 successive initiation...

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Bibliographic Details
Published in:Polymer bulletin (Berlin, Germany) Germany), 1998-02, Vol.40 (2-3), p.143-149
Main Authors: LAMBERT, O, REUTENAUER, S, HURTREZ, G, RIESS, G, DUMAS, P
Format: Article
Language:English
Subjects:
Applied sciences
Block copolymers
Chemical synthesis
Ethylene oxide
Exact sciences and technology
Miscibility
Organic polymers
Physicochemistry of polymers
Polyethylene oxide
Polymers with particular structures
Polymethyl methacrylate
Polystyrene resins
Preparation, kinetics, thermodynamics, mechanism and catalysts
Titanium dioxide
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Summary:We describe the synthesis and the characterization of amphiphilic triarm star block copolymers based on polystyrene, poly(methyl methacrylate), poly(ε caprolactone), poly(l lactide) and poly(ethylene oxide) blocks. This synthesis has been achieved by a new route consisting in 2 successive initiation steps on a core molecule (a 1,1-diphenyl-ethylene derivative bearing a protected hydroxy function) located at the end of a first block. Some results on adsorption onto TiO2 and micellization studies are given. Preliminary results on solid state indicate an increase of the miscibility of the different incompatible blocks.
ISSN:0170-0839
1436-2449
DOI:10.1007/s002890050235