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New organically bridged trialkoxysilanes containing 1,2,3-triazole moieties were synthesized. They were polymerized by sol–gel reactions, giving bridged silica membranes. Water separation properties of the membrane were investigated using a 2000 p.p.m.… Click to show full abstract
New organically bridged trialkoxysilanes containing 1,2,3-triazole moieties were synthesized. They were polymerized by sol–gel reactions, giving bridged silica membranes. Water separation properties of the membrane were investigated using a 2000 p.p.m. NaCl aqueous solution, as being 3.7–5.4 × 10−13 m3/m2 ·Pa· s of water permeance and 95–96% of NaCl rejection. Separation of neutral solutes such as 2-propanol, glucose and maltose from water by the membrane was also examined. The cutoff molecular weight (solute molecular weight on 90% rejection) was estimated to be 165.
Journal Title: Polymer Journal
Year Published: 2017
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