Shell having effect of pattern with gradient color and manufacturing method for shell
A production method and gradation technology, which are applied to the photoengraving process of the pattern surface, patterns characterized by light projection effects, special patterns, etc. Not easy to fade effect
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[0036] Example 1:
[0037] 1. Exposure and development
[0038] A transparent PC film sheet with a thickness of 0.188 mm and a length and width of 105×148.5 mm is selected, and the PC sheet is a film sheet provided by Bayer in Germany. The water-resistant photosensitive glue is uniformly coated on the first surface of the sheet and dried naturally at room temperature. The photosensitive glue is a single-liquid photosensitive glue, and the photosensitive glue adopts the water-resistant W series W-300F provided by Tianling Fine Chemical Company. Then paste the patterned film negative on the first surface of the sheet, and expose it under ultraviolet light. The exposure light source is a metal halide lamp (iodine gallium lamp) with a power of 3000 watts. The exposure time depends on the selected photosensitive glue and light source. , Make sure the exposure time is 1-1.5 minutes. Excessive exposure will over-sensitize the photosensitive adhesive, and the film will harden, and the fo...
Example Embodiment
[0049] Example 2:
[0050] 1. Exposure and development
[0051] A transparent PC film sheet with a thickness of 0.15 mm and a length and width of 105×148.5 mm is selected, and the PC sheet is a film sheet provided by Bayer in Germany. The water-resistant photosensitive glue is uniformly coated on the first surface of the sheet and dried naturally at room temperature. The photosensitive glue is a single-liquid photosensitive glue, and the photosensitive glue adopts the water-resistant W series W-300F provided by Tianling Fine Chemical Company. Then paste the patterned film negative on the first surface of the sheet, and expose it under ultraviolet light. The exposure light source is a metal halide lamp (iodine gallium lamp) with a power of 3000 watts. The exposure time depends on the selected photosensitive glue and light source. , Make sure the exposure time is 1-1.5 minutes. Excessive exposure will over-sensitize the photosensitive adhesive, and the film will harden, and the for...
Example Embodiment
[0062] Example 3:
[0063] 1. Exposure and development
[0064] A transparent PET film sheet with a thickness of 0.1 mm and a length and width of 105×148.5 mm is selected, and the PC sheet is a film sheet provided by Bayer in Germany. Coat the water-resistant photosensitive glue uniformly on the first surface of the sheet and dry naturally at room temperature. The photosensitive glue is a two-component photosensitive glue. The photosensitive glue adopts the water-resistant W210 series photosensitive glue and photosensitive agent provided by Tian Ling Company. (First dissolve the sensitizer in water according to the mass of 1:10 formula, then mix it in the latex 5 parts larger than the aqueous solution, fully stir, leave it for 1-2 hours, and use it after the bubbles disappear), and then paste the patterned film film on The first surface of the sheet is exposed under ultraviolet light. The exposure light source is a metal halide lamp (iodine gallium lamp) with a power of 3000 watts...
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