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Title: | Preparation of jellyfish-shaped amphiphilic block-graft copolymers consisting of a poly(ε-caprolactone)-block-poly(pentafluorostyrene) ring and poly(ethylene glycol) lateral brushes | Authors: | Cai, T. Yang, W.J. Neoh, K.-G. Kang, E.-T. |
Issue Date: | Apr-2012 | Citation: | Cai, T., Yang, W.J., Neoh, K.-G., Kang, E.-T. (2012-04). Preparation of jellyfish-shaped amphiphilic block-graft copolymers consisting of a poly(ε-caprolactone)-block-poly(pentafluorostyrene) ring and poly(ethylene glycol) lateral brushes. Polymer Chemistry 3 (4) : 1061-1068. ScholarBank@NUS Repository. | Abstract: | A versatile synthetic route to jellyfish-shaped amphiphilic block-graft copolymers with a hydrophobic ring of controllable dimensions, consisting of tailored length and number of poly(ε-caprolactone) (PCL) and poly(pentafluorostyrene) (PFS) blocks, and hydrophilic poly(ethylene glycol) (PEG) brushes, has been developed via the combination of ring-opening polymerization (ROP), atom transfer radical polymerization (ATRP), alkyne-azide click reaction and thiol-para-fluorine click reaction. The chemical structures and compositions of all the polymers were characterized by nuclear magnetic resonance (NMR) spectroscopy, gel permeation chromatography (GPC), thermogravimetric analyses (TGA), and X-ray photoelectron spectroscopy (XPS). The morphology of micelles from self-assembly of the cyclic-[PCL-b-P(FS-g-PEG)] copolymer in an aqueous medium was investigated by field emission scanning electron microscopy (FESEM). © 2012 The Royal Society of Chemistry. | Source Title: | Polymer Chemistry | URI: | http://scholarbank.nus.edu.sg/handle/10635/89911 | ISSN: | 17599954 |
Appears in Collections: | Staff Publications |
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