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Functional nanostructured chitosan–siloxane hybrids
Journal of Materials Chemistry
New organic-inorganic hybrids were prepared by a sol-gel method from the biopolymer chitosan and a silane coupling agent, 3-isocyanatopropyltriethoxysilane (ICPTES), in which covalent bridges, essentially composed of urea, bond the chitosan to the poly(siloxane) network. The structural characterization of the advanced chitosan-siloxane hybrids was performed by Fourier transform infrared spectroscopy, X-ray diffraction and 29 Si and 13 C nuclear magnetic resonance. The presence of siloxanedoi:10.1039/b505875a fatcat:u6x5l6oykzbgbbgihpm2vsbktu