PVC paint film with long afterglow and preparation method thereof
A long afterglow, paint film technology, applied in coatings, luminescent coatings, polyurea/polyurethane coatings, etc., can solve the problems of blackening of products, structural changes of luminous powder, influence of luminous effect, etc., to achieve good ductility, excellent long-term Afterglow luminous performance, the effect of improving overall performance and application range
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[0020] Example 1
[0021] A long afterglow PVC paint film, its preparation method includes the following steps: (1) First, stir the hydroxyacrylic resin with a blender for three minutes to make it evenly distributed, then weigh 100 parts, and then weigh 10 parts 6 Methylene diisocyanate, and add 33.3 parts of methyl ethyl ketone to fully mix it with hexamethylene diisocyanate, slowly add it to the weighed hydroxyacrylic acid resin paint while stirring; then, add 0.5 part of rare earth luminous Pigment whose composition can be expressed as Al 2 O 3 ·(Sr, Mg, Ca) O: (Eu, La, Dy) B, and stir evenly; use a viscosity cup to measure the viscosity of the mixed material, and use methyl ethyl ketone to adjust the viscosity of the material to 12 seconds, and finally The adjusted material is added to the circulating pump and waits to be turned on;
[0022] (2) Unwinding: Install the prepared PVC film on the unwinder, and pull it through the coating roller, then through the oven, and finally ...
Example Embodiment
[0026] Example 2
[0027] A long afterglow PVC paint film, its preparation method includes the following steps: (1) First, stir the propylene hydroxy acrylic resin with a mixer for three minutes to make it evenly distributed, then weigh 100 parts, and then weigh 22 parts Isocyanate, and add 22 parts of cyclohexanone to fully mix it with isocyanate, slowly add it to the weighed hydroxyacrylic resin paint while stirring; then, add 3 parts of rare earth luminous pigment, its composition can be expressed as Al 2 O 3 ·(Sr, Mg, Ca) O: (Eu, La, Dy) B, and stir evenly; use a viscosity cup to measure the viscosity of the mixed material, and use cyclohexanone to adjust the viscosity of the material to 15.5 seconds, and finally, Add the adjusted material to the circulating pump and wait for it to start;
[0028] (2) Unwinding: Install the prepared PVC film on the unwinder, and pull it through the coating roller, then through the oven, and finally fixed on the winder;
[0029] (3) Startup: adju...
Example Embodiment
[0032] Example 3
[0033] A long afterglow PVC paint film, its preparation method includes the following steps: (1) First, stir the propylene polyether resin with a mixer for three minutes to make it evenly distributed, then weigh 100 parts, and then weigh 33.3 parts Liuya Methyl diisocyanate, and add 10 parts of ethyl acetate to fully mix it with hexamethylene diisocyanate, and slowly add it to the weighed polyether resin paint while stirring; then, add 5 parts of rare earth luminous pigments, Its composition can be expressed as Al 2 O 3 ·(Sr, Mg, Ca) O: (Eu, La, Dy) B, and stir evenly; use a viscosity cup to measure the viscosity of the mixed material, and use ethyl acetate to adjust the viscosity of the material to 18 seconds, finally, Add the adjusted material to the circulating pump and wait for it to start;
[0034] (2) Unwinding: Install the prepared PVC film on the unwinder, and pull it through the coating roller, then through the oven, and finally fixed on the winder;
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