Abstract
We succeeded to solubilizing 4-dicyanomethylene-2-methyl-6-(p-dimeth ylaminostyryl)-4 Hpyran (DCM) in poly(N-vinylpyrrolidone) (PVP) aqueous solution, but its fluoresent intensity one hundredth decreased.From the equi librium constant between DCM and PVP, it was assumed that the interaction between DCM and PVP is due to the hydrogen bond between NH, group of DCM and C=0 group of PVP.The mechanica l properties and fluorescent wavelength of the film which was casted from the system of DCM-PVP aqueous solution differed from the film which was casted from the system of DCM-PVP DMSO solution.
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