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Journal of Polymer Research
Erschienen in: Journal of Polymer Research 11/2013

01.11.2013 | Original Paper

Confined crystallization of core-forming blocks in nanoscale self-assembled micelles of poly(ε-caprolactone)-b-poly(ethylene oxide) in aqueous solution

verfasst von: Biyun Mai, Zhiyun Li, Ran Liu, Shuo Feng, Qing Wu, Guodong Liang, Haiyang Gao, Fangming Zhu

Erschienen in: Journal of Polymer Research | Ausgabe 11/2013

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Abstract

This study demonstrates the self-assembly of crystalline-coil diblock copolymers of poly(ε-caprolactone)-b-poly(ethylene oxide) (PCL-b-PEO) with narrow molecular weight distributions in aqueous solution. The formed spherical micelles with sub-100 nm diameters are composed of a PCL core with low crystallinity and a soluble PEO corona. Isothermal crystallization behavior of the core-forming PCL blocks in nanoscale self-assembled micelles is investigated by nano differential scanning calorimetry (nano-DSC) and transmission electron microscopy (TEM) at different temperatures ranging from 25 to −50 °C. It is found that confined crystallization of the PCL blocks in nanocores only takes place after the micellar aqueous solution turns frozen and gives rise to the in situ formed spherical nanoaggregates consisting of disc-shaped lamellae.
Vorheriger Artikel A novel biocompatible magnetic iron oxide nanoparticles/hydrogel based on poly (acrylic acid) grafted onto starch for controlled drug release
Nächster Artikel Dispersion of carbon nanotubes in polyamide 6 for microinjection moulding

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Metadaten
Titel
Confined crystallization of core-forming blocks in nanoscale self-assembled micelles of poly(ε-caprolactone)-b-poly(ethylene oxide) in aqueous solution
verfasst von
Biyun Mai
Zhiyun Li
Ran Liu
Shuo Feng
Qing Wu
Guodong Liang
Haiyang Gao
Fangming Zhu
Publikationsdatum
01.11.2013
Verlag
Springer Netherlands
Erschienen in
Journal of Polymer Research / Ausgabe 11/2013
Print ISSN: 1022-9760
Elektronische ISSN: 1572-8935
DOI
https://doi.org/10.1007/s10965-013-0299-x

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