HOMOGENEOUS PHOTOSENSITIVE OPTICALLY VARIABLE INK COMPOSITIONS FOR INK JET PRINTING
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机译:用于喷墨印刷的均质光敏光学可变油墨组合物
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摘要
Ink composition described are suitable for ink jet printing (ink jet inks) and are highly effective for simultaneously imparting visible and fluorescent images. Figure 1 illustrated both visible and fluorescent images enabled by printing the inks of the invention on a substrate, one of a printed substrate in reflection under illumination by visible light and one of the same printed substrate fluorescing under ultraviolet excitation. The image scanned in reflection (102) was obtained by illumination the marking with visible light. The image scanned in fluorescence (104) is obtained by viewing the visible red-fluorescent emissions under ultraviolet (UV) illumination.
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