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Effect of POSS.sup.TM ./sup. functionality on morphology of thin hybrid chitosan films

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    0101306 - UMCH-V 20043026 RIV NL eng J - Journal Article
    Bleha, Miroslav - Tishchenko, Galina - Pientka, Zbyněk - Brus, Jiří
    Effect of POSSTM functionality on morphology of thin hybrid chitosan films.
    [Vliv funkcionality POSSTM na morfologii tenkých hybridních chitosanových filmů.]
    Designed Monomers and Polymers. Roč. 7, 1/2 (2004), s. 25-43. ISSN 1385-772X. E-ISSN 1568-5551
    R&D Projects: GA ČR GA203/02/1327
    Keywords : chitosan * polyhedral oligomeric silsesquioxanes * POSS
    Subject RIV: CD - Macromolecular Chemistry
    Impact factor: 0.661, year: 2004

    Organic-inorganic hybrid films based on chitosan and hydrophilic polyhedral oligomeric silsesquioxanes were prepared by alkaline precipitation of dried blends. The interactions between chitosan and POSS derivatives have occurred through multiple noncovalent bonds, resulting in structural changes of chitosan on a nanoscale, and were responsible for change in diffusion permeability to electrolytes.

    Organicko/anorganické filmy založené na chitosanu a polyhedralních oligomerních silseskvioxanech byly připraveny alkalickým srážením suchých směsí. Interakce chitosanu s POSS deriváty prostřednictvím mnohačetných nekovalentních vazeb vedlo ke strukturním změnám v chisanu v nanometrovém měřítku a byly zodpovědné za změnu v difuzní permeabilitě pro elektrolyty.
    Permanent Link: http://hdl.handle.net/11104/0008740

     
     
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