Thermochromism of poly-1-butene gels |
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| Authors: | H Fujimatsu S Ogasawara H Ihara T Takashima K Toyaba S Kuroiwa |
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| Institution: | (1) Present address: Department of Fine Materials Engineering, Faculty of Textile Science and Technology, Shinshu University, Japan |
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| Abstract: | Poly-1-butene gels in some solvents of benzene-derivatives show a colouring phenomenon. The colour changes from blue to yellow under irradiation of natural light as the temperature rises from the melting point of the solvent to the sol-gel transition temperature. The colouring phenomenon is due to selective scattering, but not to optical absorption. The apparent characteristics of the phenomenon resemble the thermochromism of cholesteric liquid crystals, although poly-1-butene itself is colourless and has no asymmetric carbons. |
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| Keywords: | Thermochromism poly-1-butene gel benzene xylene |
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