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Clay minerals (vermiculite, montmorillonite and silica nanosheets) with diminishing layer charge were modified by a novel Gemini surfactant, 2,2′-bis(dodecyldimethylammonio)-ethyl ether dichloride (BDEE) for the first time. The resultant products were certified by FT-IR, Elemental analysis (EA), TG, SEM and XRD, which indicated that the BDEE in vermiculite (Vt), montmorillonite (Mt) and silica nanosheets...
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