CN218811485U

CN218811485U - uv toughened film

Info

Publication number: CN218811485U
Application number: CN202222046506.9U
Authority: CN
Inventors: 李永福; 罗鸿志
Original assignee: Dongguan Qixinxing Technology Co ltd
Current assignee: Dongguan Qixinxing Technology Co ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2023-04-07
Anticipated expiration: 2032-08-04

Abstract

The utility model discloses a uv tempering membrane relates to screen protection technical field, including first PET substrate, second PET from the type membrane, silica gel, first PET is from type membrane, protection unit. The utility model discloses a set up protection mechanism, this mechanism can realize the purpose that can laminate any mobile phone screen, peel off from the type membrane through with second PET, simultaneously through the surface adhesion of second ya keli colloid with the lower surface of second PET substrate and mobile phone screen, after the second PET substrate is adhered completely through the surface of second ya keli colloid and mobile phone screen, peel off the upper surface of UV colloid from the type membrane through manual with first PET this moment, first PET substrate carries out synchronous motion under the drive of first PET from the type membrane through silica gel simultaneously, this moment before the design, the UV colloid is flexible soft colloid, easy cross cutting, the glue that does not overflow, indeformable, can be obeyed in various curved surface mobile phone screens, also can be obeyed in various curved surface mobile phone dorsal shells, thereby realize the purpose that can laminate any mobile phone screen.

Description

uv toughened film

Technical Field

The utility model relates to a screen protection technical field specifically is uv tempering membrane.

Background

The screen protection film is also called as a mobile phone beauty film and a mobile phone protection film, is a cold mounting film for mounting a mobile phone screen, and is divided into two blocks at present: the glass and the plastic, the glass has a dot double-sided adhesive glass toughening protective film, the toughened glass dot UV adhesive protective film and the glass full adhesive protective film, the surface of the glass is used as glass, the hardness and the characteristic flatness of the glass are used as main anti-collision and anti-scratch of the type, the glass full adhesive protective film is also the best product at present, but the problems that a consumer is not easy to attach or rebound bubbles are formed due to the tolerance of glass hot bending forming and the tolerance of a mobile phone, and the like are caused by the fact that the gap between the glass and the plastic is too large, the plastic has a PET, PC and a composite material hot bending protective film, a UV light curing protective film and a TPU (thermoplastic polyurethane) protective film, the surface of the type of the plastic has the surface hardness flatness formed by the surface hardening treatment of the PET, the PC and the composite material so as to achieve the anti-collision and the anti-scratch, but the plastic has the characteristics, such as indentation is formed by the plastic self stretching deformation due to the hard pressing of a nail, the plastic hot bending can have the problems of forming tolerance and the thermal recovery, and cause poor attachment and the foot raising, wherein the light curing protective film is the best solution at present.

Before being cured, the light-cured protective film is soft like TPU, can be randomly attached to a curved mobile phone screen, and is shaped by UV light so as to achieve the purposes of no rebound and no warping, but only the purposes are achieved, other plastic properties are the same, ultrathin PET base materials are used as the base materials with the hardness of the surface and fear of warping and rebounding, and the situation is fatal damage, so that the UV toughened film is provided.

Disclosure of Invention

The utility model aims to provide an: in order to solve the problem that the protective film can not adapt to any mobile phone screen, a uv tempering film is provided.

In order to achieve the above object, the utility model provides a following technical scheme: the UV tempered film comprises a first PET substrate and a second PET release film, wherein the bottom end of the first PET substrate is connected with silica gel, the bottom end of the silica gel is connected with the first PET release film, and the bottom end of the first PET release film is provided with a protection unit for protecting a mobile phone screen;

the protection unit includes UV colloid, first ya keli colloid, TPU substrate, second ya keli colloid and second PET substrate, the UV colloid is attached in the bottom of first PET release film, first ya keli colloid sets up the bottom at the UV colloid, the TPU substrate sets up the bottom at first ya keli colloid, second ya keli colloid sets up the bottom at the TPU substrate, and is attached mutually with the upper surface of second PET release film.

As the utility model discloses further scheme again: the second PET substrate can be replaced with the TPU substrate at any time according to requirements, the viscosity of the first acrylic colloid is 700-1500g, and the viscosity of the second acrylic colloid is 150-700g.

As the utility model discloses further scheme again: the first PET substrate and the second PET substrate are prepared by exchanging dimethyl terephthalate and glycol ester or synthesizing dihydroxy ethyl terephthalate by esterifying terephthalic acid and ethylene glycol, and then performing polycondensation reaction.

As a further aspect of the present invention: the first PET release film and the second PET release film are prepared by coating a layer of silicone oil on the surfaces of a first PET base material and a second PET base material, and the TPU base material is synthesized by firstly reacting oligomer dihydric alcohol with diisocyanate and then reacting with a dry chain extender under the condition of a small amount of catalyst.

Compared with the prior art, the beneficial effects of the utility model are that:

through setting up protection mechanism, this mechanism can realize the purpose that can laminate any cell-phone screen, peel off from the type membrane through with the second PET, simultaneously through the surface adhesion of second ya keli colloid with the lower surface of second PET substrate and cell-phone screen, after the second PET substrate passes through the surface complete adhesion of second ya keli colloid and cell-phone screen, peel off the upper surface of UV colloid from the type membrane through manual with first PET this moment, first PET substrate carries out synchronous motion under the drive of first PET from the type membrane through silica gel simultaneously, at this moment before the design, the UV colloid is flexible soft colloid, easy cross cutting, not overflow glue, indeformable, can laminate in various curved surface cell-phone screens, also can laminate in various curved surface cell-phone backshells, thereby realize the purpose that can laminate any cell-phone screen.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the protective film structure of the present invention before replacement;

fig. 3 is a schematic diagram of the protection film structure of the present invention after replacement.

In the figure: 1. a first PET substrate; 2. a protection unit; 201. UV colloid; 202. a first acrylic colloid; 203. a TPU substrate; 204. a second acrylic colloid; 205. a second PET substrate; 3. silica gel; 4. a first PET release film; 5. the second PET is from the type membrane.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, in the embodiment of the present invention, a uv tempered film includes a first PET substrate 1 and a second PET release film 5, a bottom end of the first PET substrate 1 is connected to a silica gel 3, a bottom end of the silica gel 3 is connected to a first PET release film 4, and a bottom end of the first PET release film 4 is provided with a protection unit 2 for protecting a mobile phone screen;

the protection unit 2 comprises a UV colloid 201, a first acrylic colloid 202, a TPU substrate 203, a second acrylic colloid 204 and a second PET substrate 205, the UV colloid 201 is attached to the bottom end of the first PET release film 4, the first acrylic colloid 202 is arranged at the bottom end of the UV colloid 201, the viscosity of the first acrylic colloid 202 is 700-1500g, the TPU substrate 203 is arranged at the bottom end of the first acrylic colloid 202, the second PET substrate 205 can be replaced with the TPU substrate 203 as required, the first PET substrate 1 and the second PET substrate 205 are prepared by exchanging dimethyl terephthalate and glycol ester or firstly synthesizing dihydroxyethyl terephthalate by esterification of terephthalic acid and glycol, and then carrying out polycondensation reaction, the second acrylic colloid 204 is arranged at the bottom end of the TPU substrate 203 and is attached to the upper surface of the second PET release film 5, and the viscosity of the second acrylic colloid 204 is 150-700g.

In this embodiment: when the multifunctional mobile phone screen is used, the second PET release film 5 is firstly peeled from the lower surface of the second acrylic colloid 204, meanwhile, the lower surface of the second PET substrate 205 is adhered to the surface of the mobile phone screen through the second acrylic colloid 204, after the second PET substrate 205 is completely adhered to the surface of the mobile phone screen through the second acrylic colloid 204, at the moment, the first PET release film 4 is manually peeled from the upper surface of the UV colloid 201, meanwhile, the first PET substrate 1 is driven by the first PET release film 4 through the silica gel 3 to synchronously move, at the moment, before the setting, the UV colloid 201 is a flexible soft colloid, is easy to die cut, does not overflow and deform, can be attached to various curved mobile phone screens, and can also be attached to various curved mobile phone back shells, if the second PET substrate 205 is replaced by the TPU substrate 203, due to the characteristic of high tensile variable type of the TPU substrate 203, the high-hardness all-machine protection paste can be manufactured, after the UV colloid 201 is cured and formed under the irradiation of ultraviolet rays, at the moment, special explanation is needed: the UV glue is called as ultraviolet glue, and can be cured only on the premise of irradiating the glue solution by ultraviolet rays, namely a photosensitizer in the UV glue is combined with the contacted ultraviolet rays, the ultraviolet rays can be from natural sunlight and an artificial light source, the curing speed is faster as the ultraviolet rays are stronger, the curing time is generally not equal within 10-60 seconds, the rebound and the foot tilt are avoided, the hardness can reach 6-9H, when the UV glue 201 is 125-200u, fingernails can be directly scratched on the outer wall of the UV glue 201 without leaving marks, silicon ions are embedded on the surface of the UV glue 201, resident oleophobic water delivery and fingerprint prevention can be carried out on the surface of the UV glue 201, and the water drop angle can reach more than 110 degrees.

Referring to fig. 2 to 3, the first PET release film 4 and the second PET release film 5 are made by coating a silicone oil on the surfaces of the first PET substrate 1 and the second PET substrate 205, and the TPU substrate 203 is synthesized by reacting an oligomer diol with a diisocyanate and then with a dried chain extender under the condition of a small amount of catalyst.

In this embodiment: the first PET release film 4 and the second PET release film 5 can be easily peeled off when in use by exchanging dimethyl terephthalate and glycol ester or synthesizing dihydroxy ethyl terephthalate by esterifying terephthalic acid and glycol and then carrying out polycondensation reaction to obtain the PET film, and coating silicone oil on the surface of the PET film.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

The uv tempered film comprises a first PET substrate (1) and a second PET release film (5), wherein the bottom end of the first PET substrate (1) is connected with a silica gel (3), and the bottom end of the silica gel (3) is connected with a first PET release film (4), and is characterized in that a protection unit (2) for protecting a mobile phone screen is arranged at the bottom end of the first PET release film (4);

protection unit (2) include UV colloid (201), first ya keli colloid (202), TPU substrate (203), second ya keli colloid (204) and second PET substrate (205), UV colloid (201) are attached in the bottom of first PET release film (4), first ya keli colloid (202) set up the bottom at UV colloid (201), TPU substrate (203) set up the bottom at first ya keli colloid (202), second ya keli colloid (204) set up the bottom at TPU substrate (203), and attached mutually with the upper surface of second PET release film (5).
2. The uv tempered film as claimed in claim 1, wherein the second PET substrate (205) can be replaced with the TPU substrate (203) at any time according to requirements, the viscosity of the first acrylic colloid (202) is 700-1500g, and the viscosity of the second acrylic colloid (204) is 150-700g.