Research on Solid State Synthesis of Several Schiff Base and its Reversible Thermochromism Materials
Bo Zhao
Abstract
Bo Zhao
Abstract
In this paper,six schiff bases were prepared by solid state reaction of 2,4-dinitrophenylhydrazine with benzaldehyde at room temperature.Element analysis and H1NMR confirmed the structure of the product and the color change process were studied by DSC spectra.Molecular structure of the product was optimized by B3LYP method of DFT theory,and then the thermochromic mechanism was discussed.The research results show that the thermochromism materials have the advantages such as sharp swift color change speed,obvious color contrast,good reversibility and high color change temperature.In conclusion,the materials have good applied future.
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In this paper,six schiff bases were prepared by solid state reaction of 2,4-dinitrophenylhydrazine with benzaldehyde at room temperature.Element analysis and H1NMR confirmed the structure of the product and the color change process were studied by DSC spectra.Molecular structure of the product was optimized by B3LYP method of DFT theory,and then the thermochromic mechanism was discussed.The research results show that the thermochromism materials have the advantages such as sharp swift color change speed,obvious color contrast,good reversibility and high color change temperature.In conclusion,the materials have good applied future.
Key concepts: Thermochromism, Schiff base, Materials science, Solid-state, Benzaldehyde, Photochemistry, Chemical engineering, Polymer chemistry