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Hybrid materials produced by the versatile sol-gel process with a wide sodium triflate, NaCF 3 SO 3 , concentration range have been studied. The host matrix of these xerogels, designated as di-ureasil and represented by U(600), is composed by a siliceous network bonded through covalent bonds to short polyether chains by means of bridging urea groups. The results obtained reveal that...
Sol-gel derived poly(oxyethylene)/siloxane hybrids doped with lithium triflate, LiCF 3 SO 3 , have been investigated. The host hybrid matrix of these materials, named di-ureasil and represented by U(600), is composed by a siliceous framework to which polyether chains containing 8.5 oxyethylene repeat units are covalently bonded through urea linkages. Xerogel samples U(600) n ...
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