Self-Organization Behavior of Methacrylate-Based Amphiphilic Di- and Triblock Copolymers

Rakhmatullina, Ekaterina and Braun, Thomas and Chami, Mohamed and Malinova, Violeta and Meier, Wolfgang. (2007) Self-Organization Behavior of Methacrylate-Based Amphiphilic Di- and Triblock Copolymers. Langmuir, 23 (24). pp. 12371-12379.

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Amphiphilic di- and triblock copolymers having different hydrophilic-to-hydrophobic block length ratio were synthesized using ATRP. The self-assembly behavior of these AB and ABA block copolymers consisting of poly(n-butyl methacrylate) (B) and poly(2,2-(dimethylaminoethyl methacrylate) (A) was investigated using a combination of dynamic light scattering, negative-stain transmission electron microscopy, cryoelectron microscopy, and atomic force microscopy. Two populations of self-organized structures in aqueous solution, micelles and compound micelles, were detected for diblock copolymers. Triblock copolymers assembled into vesicular structures of uniform sizes. Furthermore it was found that these vesicles tended to compensate the high curvature by additional organization of the polymer chains outside of the membrane. The chain hydrophilicity of the polymers appeared to have a critical impact on the self-assembly response toward temperature change. The self-reorganization of the polymers at different temperatures is discussed.
Faculties and Departments:05 Faculty of Science > Departement Chemie
05 Faculty of Science > Departement Chemie > Chemie > Makromolekulare Chemie (Meier)
05 Faculty of Science > Departement Biozentrum > Structural Biology & Biophysics > Structural Biology (Braun)
UniBasel Contributors:Meier, Wolfgang P. and Braun, Thomas
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:American Chemical Society
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:06 Oct 2021 10:08
Deposited On:11 Mar 2020 15:39

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