Phase Behavior of Vesicle-Forming Block Copolymers in Aqueous Solutions

Braun, J. and Bruns, N. and Pfohl, T. and Meier, W.. (2011) Phase Behavior of Vesicle-Forming Block Copolymers in Aqueous Solutions. Macromolecular Chemistry and Physics, 212 (12). pp. 1245-1254.

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Official URL: http://edoc.unibas.ch/dok/A5843795

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The binary phase diagram of amphiphilic poly(ethylene oxide)-block-poly(g-methyl-e-caprolactone) block copolymers in water is examined for four polymers having the same hydrophilic block length but different hydrophobic block lengths across the whole concentration range. The bulk polymers show no ordered morphology. With increasing water concentration the polymers undergo transitions from lamellar phases to packed vesicles and subsequently all polymers self-assemble into vesicles in dilute aqueous solutions. Additionally, the largest polymer forms an inverse hexagonal phase, and the smallest polymer self-aggregates into rod-like micelles and showed a hexagonal phase.
Faculties and Departments:05 Faculty of Science > Departement Chemie
05 Faculty of Science > Departement Chemie > Former Organization Units Chemistry > Makromolekulare Chemie (Meier)
UniBasel Contributors:Meier, Wolfgang P. and Bruns, Nico
Item Type:Article, refereed
Article Subtype:Research Article
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:04 Jun 2018 12:40
Deposited On:08 Nov 2012 16:10

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