Functional soft protecting film and preparation method thereof
A protective film, functional technology, applied in the direction of film/sheet adhesive, coating, conductive paint, etc., can solve the problems of fragile tempered glass, poor 2.5D, 3D screen bonding effect, difficult to adjust and so on , to achieve the effect of overall strengthening and good fitting effect
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[0051] The present invention also provides a method for preparing the functional soft protective film described in the above technical solution, which includes the following steps:
[0052] a) Coat one side of the first substrate layer with a layer of silica gel containing 0.5wt% to 5wt% of antistatic agent, and on the other side, coat a layer of resin containing 0.5wt% to 5wt% of antistatic agent, and cure to obtain Floor;
[0053] b) Laminate an adhesive layer on the surface of the second substrate layer, and then combine the adhesive layer with the antistatic resin layer in the use layer obtained in step a) to obtain the use layer compounded with the first protective film;
[0054] c) The antistatic silica gel layer in the use layer compounded with the first protective film obtained in step b) is combined with the second protective film to obtain a functional soft protective film.
[0055] The present invention first coats a layer of silica gel containing 0.5wt% to 5wt% of antistat...
Example Embodiment
[0065] Example 1
[0066] (1) Coat a layer of silica gel containing 2.5wt% antistatic agent (BASF VS03 antistatic agent) on one side of the TPU substrate, and a layer of 2.5wt% antistatic agent (Juli JL-WT antistatic agent) on the other side. The fluorine-containing polyurethane resin containing 2.5wt% antistatic agent was baked at 170°C for 90s; the fluorinated polyurethane resin containing 2.5wt% antistatic agent was baked at 100°C for 75s, and cured Then get the use layer;
[0067] The used layer is a three-layer structure consisting of an antistatic silicone layer, a TPU base material layer and an antistatic fluorine-containing polyurethane resin layer in sequence, wherein the thickness of the antistatic silicone layer is 20 μm, and the peeling force is 100 gf / 25mm; The thickness of the TPU substrate layer is 200 μm; the thickness of the antistatic fluorine-containing polyurethane resin layer is 30 μm, and the preparation method is as follows: 10 parts by weight of the resin c...
Example Embodiment
[0071] Example 2
[0072] (1) Coat a layer of silica gel containing 3wt% antistatic agent (BASF VS03 antistatic agent) on one side of the TPU substrate, and a layer containing 2wt% antistatic agent (Juli JL-WT antistatic agent) on the other side The fluorine-containing polyurethane resin containing 3wt% antistatic agent is baked at 170°C for 90s; the fluorinated polyurethane resin containing 2wt% antistatic agent is baked at 100°C for 75s, and the used layer is obtained after curing ;
[0073] The used layer is a three-layer structure of an antistatic silicone layer, a TPU base material layer, and an antistatic fluorine-containing polyurethane resin layer that are sequentially compounded, wherein the thickness of the antistatic silicone layer is 30 μm, and the peeling force is 100 gf / 25mm; The thickness of the TPU substrate layer is 100 μm; the thickness of the antistatic fluorine-containing polyurethane resin layer is 20 μm, and the preparation method is as follows: 10 parts by w...
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