Abstract
The aim of the present study is to characterize from the spectrocolorimetric point of view the graphite films dispersed in epoxy, chloral-rubber, polyurethane and acrylic resins. By using a HunterLab system the remission spectrum in the visible light spectrum (400 � 700 nm) of the resulted films was measured. With special programs, from the spectrum were calculated the color parameters L*, a*, b*, C*, h*, the total color differences in three chromatic color units DE*, DEcmc, the three chromatic coordinates X, Y, Z, the chromaticity coordinate y, black index (without coloured undertone) of the films My and black shade index (contribution of the coloured undertone), dM.
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