Preparation method and application of protective film in full lamination with mobile terminal
A technology of mobile terminal and protective film, applied in the field of optical film, can solve the problems of low thickness of mobile terminal and difficult to rewind the protective film, and achieve the effect of excellent tension, high tension and high tension
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[0073] Example 1
[0074] In this embodiment, a protective film that can be fully attached to a mobile terminal includes a polyester film base material, and the upper surface of the polyester film base material is thermally laminated with a first release film through a lamination lamination wheel. type film, the curve equation of the lamination temperature and time of the polyester film substrate in the lamination lamination wheel is T=429X 2 -83X+ (261~271) s, the hot pressing temperature of the lamination lamination wheel is 100℃, the rotation speed of the lamination lamination wheel is 5m / min, the contact length of the two lamination lamination wheels is 0.03 m, the lower surface of the polyester film substrate is provided with an adhesive layer, the lower surface of the adhesive layer is provided with a second release film, and the surface viscosity of the adhesive layer is No. 5 steel balls.
[0075] The adhesive layer is a silicone adhesive layer: the adhesive layer i...
Example Embodiment
[0089] Example 2
[0090] In this embodiment, a protective film that can be fully attached to a mobile terminal includes a polyester film base material, and the upper surface of the polyester film base material is thermally laminated with a first release film through a lamination lamination wheel. type film, the curve equation of the lamination temperature and time of the polyester film substrate in the lamination lamination wheel is T=429X 2 -83X+ (261~271) s, the hot pressing temperature of the lamination lamination wheel is 150℃, the rotation speed of the lamination lamination wheel is 15m / min, the contact length of the two lamination lamination wheels is 0.04m, the lower surface of the polyester film substrate is provided with an adhesive layer, the lower surface of the adhesive layer is provided with a second release film, and the surface viscosity of the adhesive layer is No. 9 steel balls.
[0091] The adhesive layer is an acrylic adhesive layer: the adhesive layer i...
Example Embodiment
[0102] Example 3
[0103] In this embodiment, a protective film that can be fully attached to a mobile terminal includes a polyester film base material, and the upper surface of the polyester film base material is thermally laminated with a first release film through a lamination lamination wheel. type film, the curve equation of the lamination temperature and time of the polyester film substrate in the lamination lamination wheel is T=429X 2 -83X+ (261~271) s, the hot pressing temperature of the lamination lamination wheel is 250℃, the rotation speed of the lamination lamination wheel is 20m / min, the contact length of the two lamination lamination wheels It is 0.05m, the lower surface of the polyester film substrate is provided with an adhesive layer, the lower surface of the adhesive layer is provided with a second release film, and the surface viscosity of the adhesive layer is 15# steel balls.
[0104] The adhesive layer is a PU adhesive layer: the adhesive layer is for...
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