Vesicle Based Polymer Nanocapsules - Controlling their Structure by the Preparation Process
The formation of monodisperse vesicles in the system TDMAO (tetradecyldimethylamine oxide) - LiPFOS (lithium perfluorooctylsulfonate) can be finely controlled by admixing copolymers of the Pluronic type (EOn-POm-EOn). Their size is controlled by the copolymer concentration (radii of 20-80 nm) and they possess low polydispersities of 5%. These vesicles are used as templates to produce hollow, spherical polymer capsules by UV-induced radical polymerization of appropriate monomers. SANS will be used to determine the effect of the monomer and cross-linker concentration on the structure of the finally formed polymer capsules. The polymerised vesicle based capsules will be compared to the initially present vesicles and to the extracted polymer casules redispersed in d-DMSO in order to gain information about the structure of the pure polymer capsules. This study will yield valuable information regarding the quality of this template reaction and help substantially to develop such nano-sized polymer capsules further and optimise them for corresponding applications, for instance as containers for active agents.
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YALCINKAYA Hacer; BAYER Sebastian; BRESSEL Katharina; GRADZIELSKI Michael and LINDNER Peter. (2015). Vesicle Based Polymer Nanocapsules - Controlling their Structure by the Preparation Process. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.9-10-1444
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