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TiO2/cellulose composite aerogels were easily fabricated by the in situ synthesis of TiO2 nanoparticles in a cellulose matrix at a mild temperature (≤80 °C). The TiO2/cellulose aerogel structure and morphology were analyzed with scanning electron microscopy, transmission electron microscopy, X-ray diffraction, thermal gravimetric analysis, and nitrogen adsorption–desorption tests as well as tensile...
Light weight and mechanically strong α-chitin aerogels were fabricated using the sol-gel/self-assembly method from α-chitin in different aqueous alkali hydroxide (KOH, NaOH and LiOH)/urea solutions. All of the α-chitin solutions exhibited temperature-induced rapid gelation behavior. 13C nuclear magnetic resonance (NMR) spectra revealed that the aqueous alkali hydroxide/ urea solutions are non-derivatizing...
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