Morphology of poly(ε‐caprolactone)‐b‐poly(ethylene glycol)‐b‐poly(ε‐caprolactone) assemblies in diluted aqueous solution and gel studied by atomic force microscopy |
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| Authors: | Shengrong Guo Yaqiong Zhang Zhang Yu |
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| Affiliation: | 1. School of Pharmacy, Shanghai Jiaotong University, 200240, Shanghai, P.R. China;2. Laboratory of Scanning Electron Microscopy, Shanghai Medical College, Fudan University, 200032, Shanghai, P.R. China |
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| Abstract: | Morphologies of poly(ε‐caprolactone)‐b‐poly(ethylene glycol)‐b‐poly(ε‐caprolactone) (PCL‐PEG‐PCL) triblock copolymer self‐assemblies in the diluted solution and in gel were studied by atomic force microscopy (AFM). The copolymer self‐assembled into wormlike aggregates, of uniform diameter, in water. The wormlike aggregates arranged in order to form separate clusters in the diluted copolymer solution; at a higher copolymer concentration, the clusters became bigger and bigger, and packed together to form gel. Copyright © 2008 John Wiley & Sons, Ltd. |
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| Keywords: | atomic force microscopy (AFM) self‐assembly block copolymer |
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