Design of New Mesostructured Material: Vanadate-Poly(Ethylene Glycol) Composite

概要

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A new method for designing nanomodified inorganic-organic materials is proposed, and one example of synthesizing mesostructured vanadate-poly(ethylene glycol) composite is demonstrated. Commercially available poly (ethylene glycol) was changed in its terminal hydroxy group(s) to ammonium head group by two-step sequential tosylation/nucleophilic substitution in order to enable connection with the vanadate framework component. Selforganization of vanadate and the new organic template was successfully processed in the aqueous mixture to precipitate as a composite by adding sodium chloride. We discuss not only the design of a mesostructured material, but also the reasonable treatment for obtaining it from the mixture by the same technique as the volume shrinkage of an amphiphilic block copolymer in water.
日本セラミックス協会の論文
2004-01-00