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In article number 2001721, Takeshi Sakamoto, Hiroyuki Katayama, Takashi Kato, and co‐workers achieve high virus removal for liquid‐crystalline water treatment membranes. The liquid crystal forms 2D lamellar nanochannels allowing superior virus removal while maintaining efficient water flux. The removal efficiency is 99.999994%. Self‐assembly of smectic liquid crystals and subsequent photopolymerization...
To obtain high quality of drinking water free from biocontaminants is especially important issue. A new strategy employing smectic liquid‐crystalline ionic membranes exhibiting 2D structures of layered nanochannels for water treatment is proposed for efficient virus removal and sufficient water flux. The smectic A (SmA) liquid‐crystalline membranes obtained by in situ polymerization of an ionic mesogenic...
A membrane with ordered 3D ionic nanochannels constructed by in situ photopolymerization of a thermotropic liquid‐crystalline monomer shows high filtration performance and ion selectivity. The nanostructured membrane (see figure) exhibits water‐treatment performance superior to that of an amorphous membrane prepared from the isotropic melt of the monomer. Self‐organized nanostructured membranes have...
A water‐treatment membrane with ordered, 3D, ionic nanochannels showing high water permeability and ion selectivity is reported by M. Henmi, T. Kato, and co‐workers on page 2238. The membrane transports larger divalent sulfate ions effectively, while smaller monovalent anions such as chloride and bromide are highly rejected by the membrane. These nanochannels are fixed in the membrane by in‐situ photopolymerization...
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