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Giant Free-Standing ABA Triblock Copolymer Membranes

Nardin, Corinne and Winterhalter, Mathias and Meier, Wolfgang. (2000) Giant Free-Standing ABA Triblock Copolymer Membranes. Langmuir, 16 (20). pp. 7708-7712.

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Official URL: https://edoc.unibas.ch/72386/

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Abstract

For the first time giant free-standing monomolecular films of a functionalized poly(2-methyloxazoline)-block-poly(dimethylsiloxane)-block-poly(2-methyloxazoline), PMOXA-PDMS-PMOXA, triblock copolymer were prepared. Stable films with areas up to about 1 mma and thickness of 10 nm were achieved. This triblock copolymer carries polymerizable methacrylate groups at both chain ends. These end groups could be polymerized by UV light after the formation of the self-assembled structure. The mechanical properties of these films were characterized by applying short electric field pulses. In comparison to lipid bilayers, the polymer films were significantly more cohesive, seen by higher critical voltages required for rupture. Moreover, polymerization increased the stability significantly.
Faculties and Departments:05 Faculty of Science > Departement Chemie
05 Faculty of Science > Departement Chemie > Chemie > Makromolekulare Chemie (Meier)
UniBasel Contributors:Meier, Wolfgang P.
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:American Chemical Society
ISSN:0743-7463
e-ISSN:1520-5827
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:19 Mar 2020 14:31
Deposited On:19 Mar 2020 14:31

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