Abstract
Absorption and fluorescence spectra and fluorescence quantum yields of solutions and transparent films of polyalkanesterimides (PAEI) were studied. The molecular chain of the investigated polyalkanesterimides contains phthalimide repeating units and –(CH2)n– fragments where n = 6 and 10. It is shown that the fluorescent properties of such polymers are the same as those of low-molecular-weight phthalimide luminophores. The alkane fragments contained in the polymer chain have been concluded to prohibit a charge-transfer transition and thereby enhance the polyalkanesterimide fluorescence intensity.
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