Study on Preparation and Properties of Fluorescent Offset Printing Ink
The ultraviolet (UV) fluorescent anti-counterfeiting offset printing ink, which can emit visible light (400-800 nm) under the excitation of ultraviolet light (200-400 nm), has been extensively adopted in the modern printing technology. In this paper, we used the red-emitting phosphor BaCaBO3F: Eu3+, Li+ as the fluorescent pigment for printing ink and investigated the influence on additive amount of the luminescence properties of fluorescent ink in order to determine a more ideal ratio of fluorescent ink .Besides, the shear viscosity, thixotropy, visco-elasticity and the temperature dependence of viscosity according to the rheology theory and rheological technique were also studied, and finally the valuable parameters and patterns were successfully obtained.
OUYANG Yun, XU Min and YANG Li
W. C. Xu et al., "Study on Preparation and Properties of Fluorescent Offset Printing Ink", Advanced Materials Research, Vol. 174, pp. 393-396, 2011