Composite film panel
A composite film and panel technology, which is applied in the field of button panels, can solve problems such as poor quality stability, insufficient transparency, and complicated manufacturing processes, and achieve the effects of convenient and diverse combinations, good flexibility, and high bonding strength
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Example Embodiment
[0021] Example 1: Use the above-mentioned TPU film printed with the button character pattern 2 as the uppermost polymer film 1, and the PC film printed with the button trademark pattern 4 as the lower polymer film 5, and use polyurethane glue to combine the two layers of polymer film. The films are bonded together to form a composite film with a total thickness of 0.1 mm. Then, according to the specifications of the buttons, cut into corresponding size composite membrane panels.
Example Embodiment
[0022] Example 2: As shown in the figure, the above-mentioned PET film without any pattern is selected as the uppermost polymer film 1, and the PP film with the key character pattern 2 with three-dimensional display effect is used as the middle polymer film 3. The PET film printed with the button trademark graphic pattern 4 is the lowermost polymer film 5, and the thickness of the lowermost polymer film 5 is greater than the thickness of other layers. The three layers of polymer films are bonded and compounded together with epoxy glue to form a composite film with a total thickness of 1.5 mm, and the light guide plate 6 is bonded under the lowermost polymer film. Then, according to the required button specifications, it is divided into composite membrane panels for use with buttons.
Example Embodiment
[0023] Embodiment 3: As shown in the figure, the above-mentioned PVC film without any pattern is selected as the uppermost polymer film 1, and the PET film with the key character pattern 2 is used as the middle polymer film 3, and the button trademark graphic pattern is printed 4 and a PMMA film with a pattern and a light-shielding effect as the bottom polymer film 5, and other printed polymer films with patterns can also be used for other more layers. Three or more layers of polymer films are bonded and compounded by UV light curing polyurethane glue to form a composite film with a total thickness of 3mm. The cold light sheet 6 is bonded under the lowermost polymer film. Then, according to the required button specifications, it is divided into composite membrane panels for use with buttons.
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