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Supramolecular Chemistry in Microflow Fields: Toward a New Material World of Precise Kinetic Control
Authors:Prof. Munenori Numata
Affiliation:1. (+81)?75‐703‐5132;2. Department of Biomolecular Chemistry, Graduate School of Life and Environmental Sciences, Kyoto Prefectural University, Shimogamo, Sakyo-ku, Kyoto, Japan
Abstract:Constructing new and versatile self‐assembling systems in supramolecular chemistry is much like the development of new reactions or new catalysts in synthetic organic chemistry. As one such new technology, conventional supramolecular assembly systems have been combined with microflow techniques to control intermolecular or interpolymer interactions through precise regulation of a flowing self‐assembly field. The potential of the microflow system has been explored by using various simple model compounds. Uniform solvent diffusion in the microflow leads to rapid activation of molecules in a nonequilibrium state and, thereby, enhanced interactions. All of these self‐assembly processes begin from a temporally activated state and proceed in a uniform chemical environment, forming a synchronized cluster and resulting in effective conversion to supramolecules, with precise tuning of molecular (or polymer) interactions. This approach allows the synthesis of a variety of discrete microstructures (e.g., fibers, sheets) and unique supramolecules (e.g., hierarchical assemblies, capped fibers, polymer networks, supramolecules with time‐delayed action) that have previously been inaccessible.
Keywords:kinetics  microfluidics  nanomaterials  nonequilibrium processes  self-assembly  supramolecular chemistry
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