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Degradability of organic-inorganic cellulose acetate butyrate hybrids in sea water

Wojciechowska P., Heimowska A., Foltynowicz Z., Rutkowska M.

Polish Journal of Chemical Technology

2011

Vol. 13, nr 2

29-34

Environmental degradability of novel organic-inorganic cellulose acetate butyrate hybrids obtained via solgel process was investigated. The degradation of hybrids was studied under marine exposure conditions in the Baltic Sea for a period of 25 weeks. The influence of characteristic parameters of sea water on the degree of degradation monitored by changes of weight and optical microscopy was discussed. The degraded samples were also examined by FT-IR spectroscopy. It has been established that the CAB/silica hybrids are more susceptible to biodegradation in sea water environment than pure cellulose acetate butyrate.

Li-ion conducting organic-inorganic hybrid electrolytes

Żelazowska E., Borczuch-Łączka M., Rysiakiewicz-Pasek E., Zduniewicz T.

Materials Science Poland

2006

Vol. 24, No. 1

133--140

Lithium ion conducting, sol-gel derived, amorphous, organic-inorganic hybrid electrolytes were obtained from tetraethoxysilane, poly(ethylene oxide), propylene oxide, propylene carbonate, acetonitrile and LiClO4 precursors, and were investigated for their morphological and structural properties by scanning electron microscopy equipped with energy dispersive X-ray spectroscopy (SEM/EDX), X-ray diffraction (XRD), infrared spectroscopy, and nitrogen adsorption at 77 K. A room-temperature conductivity of ca. 10-4-10-3 Sźcm-1, attributed to an amorphous character and the organic addition, as well as results of testing in WO3-based electrochromic thin-film systems, make the hybrid materials obtained promising as electrolytes for ambient temperature electrochemical and optoelectronic applications.