Luminous coating composition
A technology of coating composition and mixture, which is applied in the field of luminescent coating composition, can solve the problems such as unsuitable safety marks of thin films, and achieve good detectability, improved recognizability, and favorable signal/noise-ratio effects
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Embodiment 1
[0042] Into 100 parts of a solution of polyacrylate binder in ethyl acetate (solids content: 30%) was uniformly mixed 0.01 part of commercially available Lumilux which glows under UV-irradiation Red MF-P 870 / LT type fiber (Honeywell company, Specialty Chemicals, formerly Riedel-de-Haёn). The adhesive is then applied to the PVC film with a doctor blade to a layer thickness of 200 μm and dried with hot air. The dried adhesive layer (60 μm) was then covered with siliconized paper. After the adhesive film is cut or stamped, a self-adhesive label or sticky strip is obtained. Under UV light irradiation, the adhesive layer of the adhesive layer shows red fluorescence within the range of added fibers. The fibers were not identifiable when viewed with the naked eye in daylight. On the contrary, under UV-lamp, this luminescent phenomenon can be observed with naked eyes.
Embodiment 2
[0044] In 100 parts of ethyl acetate solution (solids content: 30%) containing polypropylene binder, uniformly mix various commercially available mixtures of fibers that emit light under UV-irradiation, i.e. 0.005 parts of Lumilux Red MF-P 870 / LT optical fiber, 0.004 parts of Lumilux Blue MF-P 871 / LT type luminous fiber and 0.002 part Lumilux Green MF-P877 / LT luminescent fiber. The adhesive was then applied to a transparent polyester film with a doctor blade to a layer thickness of 60 μm and dried with hot air. The dried adhesive layer (20 μm) was then covered with siliconized paper. The adhesive film is processed to give a self-adhesive lamination film which, under irradiation with UV light, locally displays colored fluorescence in the area of the added fibers according to the red, blue or green color of the fibers. The fibers are not discernible when viewed with the naked eye in daylight. On the contrary, the luminescence phenomenon can be clearly seen with naked...
Embodiment 3
[0046] In 100 parts of aqueous dispersion containing polypropylene binder (solid content: 50%), uniformly mix various commercially available mixtures of fibers that emit light under UV-irradiation, i.e. 0.005 parts of Lumilux Red MF-P870 / LT type luminous fiber, 0.004 parts of Lumilux Blue MF-P871 / LT type luminous fiber and 0.002 parts of Lumilux Green MF-P877 / LT luminescent fiber. The adhesive was then applied to the silicone paper with a decal roller to a layer thickness of 40 μm and dried with hot air. The dried adhesive layer (20 μm) was then covered with paper so that the adhesive layer transferred to the paper. The adhesive paper film is processed to give a self-adhesive label which, under UV-light irradiation, locally displays colored fluorescence (red, blue or green) in the range of the fibrous fibers. The fibers were not identifiable when viewed with the naked eye in daylight. On the contrary, the luminescence phenomenon can be clearly seen with the naked eye...
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