Scratch-resistant protective film and preparation method thereof
A protective film, anti-scratch technology, applied in the coating and other directions, can solve the problem that the anti-scratch protective film has a general anti-scratch performance, can not meet the requirements of household appliances, etc., achieves good re-peeling performance, avoids physical scratches, and prolongs service life. Effect
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[0024] Example 1:
[0025] A scratch-resistant protective film. The scratch-resistant protective film includes a substrate layer and a functional coating. The substrate layer is PE with a thickness of 30um and the functional coating has a thickness of 15um.
[0026] The functional coating includes the following components in parts by mass:
[0027] 50 parts of organic silicon resin, 6 parts of polyisocyanate, 3 parts of nano titanium oxide, 4 parts of silane coupling agent, 0.5 part of graphite powder and 10 parts of deionized water.
[0028] A method for preparing a scratch-resistant protective film, the preparation steps are as follows:
[0029] (1) Prepare a self-adhesive substrate layer with a thickness of 20um by co-extrusion casting method;
[0030] (2) Preparation of functional coating composition: Weigh each component of the functional coating, place it in a pipeline static mixer for mixing, take it out after mixing uniformly, and leave it to stand to obtain the functional coatin...
Example Embodiment
[0037] Example 2:
[0038] A scratch-resistant protective film. The scratch-resistant protective film includes a substrate layer and a functional coating. The substrate layer is PE with a thickness of 60um and the functional coating has a thickness of 25um.
[0039] The functional coating includes the following components in parts by mass:
[0040] 70 parts of organic silicon resin, 12 parts of polyisocyanate, 7 parts of nano titanium oxide, 8 parts of silane coupling agent, 2 parts of graphite powder and 20 parts of deionized water.
[0041] A method for preparing a scratch-resistant protective film, the preparation steps are as follows:
[0042] (1) Prepare a self-adhesive substrate layer with a thickness of 60um by co-extrusion casting method;
[0043] (2) Preparation of functional coating composition: Weigh each component of the functional coating, place it in a pipeline static mixer for mixing, take it out after mixing uniformly, and leave it to stand to obtain the functional coatin...
Example Embodiment
[0050] Example 3:
[0051] A scratch-resistant protective film. The scratch-resistant protective film includes a substrate layer and a functional coating. The substrate layer is PE with a thickness of 40um, and the functional coating has a thickness of 20um.
[0052] The functional coating includes the following components in parts by mass:
[0053] 55 parts of silicone resin, 8 parts of polyisocyanate, 4 parts of nano titanium oxide, 5 parts of silane coupling agent, 0.8 parts of graphite powder and 12 parts of deionized water.
[0054] A method for preparing a scratch-resistant protective film, the preparation steps are as follows:
[0055] (1) Prepare a self-adhesive substrate layer with a thickness of 40um by co-extrusion casting method;
[0056] (2) Preparation of functional coating composition: Weigh each component of the functional coating, place it in a pipeline static mixer for mixing, take it out after mixing uniformly, and leave it to stand to obtain the functional coating com...
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