CN216972402U

CN216972402U - Hardened belt antistatic acrylic protective film

Info

Publication number: CN216972402U
Application number: CN202123403301.3U
Authority: CN
Inventors: 罗炜
Original assignee: Dongguan Liangya Plastic Products Co ltd
Current assignee: Dongguan Liangya Plastic Products Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-07-15
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses an antistatic acrylic protective film with a hardened band, which comprises an ultraviolet curing antistatic hardened layer, a first corona layer, a polyurethane PET film, a second corona layer, an antistatic acrylic adhesive layer and a release film which are sequentially stacked from top to bottom. The ultraviolet curing antistatic hardened layer is additionally arranged, so that the coating is more wear-resistant and is not easy to scratch; the water drop angle of the ultraviolet curing antistatic hardened layer is more than 105 degrees, the smoothness is higher in the using process, and the use hand feeling is good; simultaneously, the ultraviolet curing antistatic hardened layer and the antistatic acrylic adhesive layer have antistatic property, static electricity is effectively reduced, electronic components are not damaged, adhesion of dust on the surface of a product is reduced, the antistatic acrylic adhesive layer is good in exhaust effect, fast and convenient in the attaching process, high in weather resistance, excellent in comprehensive performance and wide in application range, and can be applied to protection of mobile phones, panels and computer screens.

Description

Hardened belt antistatic acrylic protective film

Technical Field

The utility model relates to the technical field of protective films, in particular to an antistatic acrylic protective film with a hardened band.

Background

The protective film has been applied to various aspects of life, and can be classified into a digital product protective film, an automobile protective film, a household protective film, a food preservation protective film and the like according to purposes. Protective films generally have good adhesion and can be easily peeled off after use without contaminating the respective surfaces with an adhesive. In the production process of the protective film, some colloids such as acrylic adhesive, PU adhesive and silica gel are used.

The utility model discloses a publication number "CN 205800424U", the name is "a toughened glass membrane" discloses a toughened glass membrane, including PET from type rete, high viscidity ya keli glue film, transparent PET substrate layer, low silica gel layer and the compound rete of PET, PET stacks gradually from type rete, high viscidity yakeli glue film, transparent PET substrate layer, low silica gel layer and the compound rete of PET and constitutes five layers of stacked structures. The utility model discloses a high viscidity ya keli glue film laminating toughened glass, low silica gel layer laminating screen to play the protection screen. However, the protective film is liable to generate static electricity during use, and is not very satisfactory in terms of abrasion resistance and scratch resistance.

SUMMERY OF THE UTILITY MODEL

In view of the above disadvantages, the present invention aims to provide an antistatic acrylic protective film with a hardened band, which is wear-resistant, not easy to scratch, and antistatic.

In order to achieve the purpose, the utility model provides the technical scheme that: the utility model provides an antistatic ya keli protection film in sclerosis area, its characterized in that, it includes polyurethane PET membrane, the antistatic sclerosis layer of ultraviolet curing, antistatic ya keli glue film, from type membrane, first corona layer and second corona layer, the antistatic sclerosis layer of ultraviolet curing, first corona layer, polyurethane PET membrane, second corona layer, antistatic yakeli glue film and from type membrane superpose in proper order from last to down.

In a preferable embodiment of the present invention, the thickness of the polyurethane PET film is 40 to 60 micrometers. The thickness of the ultraviolet curing antistatic hardened layer is 2-3 microns. The thickness of antistatic ya keli glue film is 8 ~ 10 microns. The thickness of the first corona layer and the second corona layer is 1-3 microns. The thickness of the release film is 40-60 microns.

As a preferred scheme of the utility model, the release film further comprises a heat dissipation silica gel layer with a thickness of 40-60 microns, and the heat dissipation silica gel layer is attached to the other surface of the release film. The heat dissipation silica gel layer is the silica gel film piece that has the heat dissipation function, and the heat dissipation rate is 3 ~ 8W/MK, can prevent simultaneously that sunshine from directly transmitting from the type layer and shine on antistatic ya keli glue film, avoids antistatic ya keli glue film ageing so that its viscidity became invalid, and the protection effect is good.

A preparation method of an antistatic acrylic protective film for a hardened belt comprises the following steps:

(1) preparing a polyurethane PET film with the thickness of 40-60 microns, and carrying out corona treatment on the upper surface and the lower surface of the polyurethane PET film to form a first corona layer and a second corona layer;

(2) uniformly coating ultraviolet curing antistatic hardening liquid on the first corona layer, wherein the coating thickness is 2-3 microns, and after the ultraviolet curing antistatic hardening liquid is coated, the ultraviolet curing antistatic hardening liquid is sent into an oven to be baked, wherein the temperature of a first section of the oven is 60 ℃, the temperature of a second section of the oven is 80 ℃, the temperature of the second section of the oven is 100 ℃, the temperature of a fifth section of the oven is 100 ℃, and the temperature of a sixth section of the oven is 80 ℃. Baking in an oven, and then performing ultraviolet curing by using a UV machine to form an ultraviolet curing antistatic hardened layer after curing;

(3) uniformly coating antistatic acrylic glue on the second corona layer, wherein the release force of the antistatic acrylic glue is 1-10G, the coating thickness of the antistatic acrylic glue is 8-10 microns, the antistatic acrylic glue is coated and then sent into an oven for high-temperature curing, and an antistatic acrylic glue layer is formed after curing;

(4) and pasting a release film with the thickness of 40-60 microns on the antistatic acrylic adhesive layer, and then pasting a heat dissipation silica gel layer with the thickness of 40-60 microns on the release film to obtain the hardened antistatic acrylic protective film.

The utility model has the beneficial effects that: the ultraviolet curing antistatic hardened layer is reasonable in structure, and is more wear-resistant and less prone to scratching due to the ultraviolet curing antistatic hardened layer; the water drop angle of the ultraviolet curing antistatic hardened layer is more than 105 degrees, the smoothness is higher in the using process, and the using hand feeling is good; simultaneously, the ultraviolet curing antistatic hardened layer and the antistatic acrylic adhesive layer have antistatic properties, static electricity is effectively reduced, electronic components are not damaged, adhesion of dust on the surface of a product is reduced, the antistatic acrylic adhesive layer is good in exhaust effect, fast and convenient in the attaching process, high in weather resistance, excellent in comprehensive performance and wide in application range, and the ultraviolet curing antistatic hardened layer and the antistatic acrylic adhesive layer can be applied to protection of mobile phones, panels and computer screens in the manufacturing, delivery and use processes.

Drawings

Fig. 1 is a schematic cross-sectional structure of the present invention.

Detailed Description

Example (b): referring to fig. 1, an embodiment of the present invention provides a cured antistatic acrylic protective film with an adhesive layer, which includes a polyurethane PET film 1, an ultraviolet curing antistatic cured layer 2, an antistatic acrylic adhesive layer 3, a release film 4, a first corona layer 5, and a second corona layer 6, wherein the ultraviolet curing antistatic cured layer 2, the first corona layer 5, the polyurethane PET film 1, the second corona layer 6, the antistatic acrylic adhesive layer 3, and the release film 4 are sequentially stacked from top to bottom.

The preparation method of the antistatic acrylic protective film with the hardened band comprises the following steps:

(1) preparing a polyurethane PET film 1 with the thickness of 40-60 microns, and carrying out corona treatment on the upper surface and the lower surface of the polyurethane PET film 1 to form a first corona layer 5 and a second corona layer 6; the light transmittance of the polyurethane PET film 1 is more than or equal to 90 percent, and the haze is less than 1 percent;

(2) uniformly coating ultraviolet curing antistatic hardening liquid on the first corona layer 5, wherein the coating thickness is 2-3 microns, and the ultraviolet curing antistatic hardening liquid is coated on the first corona layer 5, and then the ultraviolet curing antistatic hardening liquid is sent into an oven to be baked, wherein the temperature of the first section of the oven is 60 ℃, the temperature of the second section of the oven is 80 ℃, the temperature of the second section of the oven is 100 ℃, the temperature of the fifth section of the oven is 100 ℃, and the temperature of the sixth section of the oven is 80 ℃. Baking in an oven, performing ultraviolet curing by using a UV machine, and forming an ultraviolet curing antistatic hardened layer 2 after curing, wherein the hardness of the ultraviolet curing antistatic hardened layer 2 is 2-3H, and the electrostatic value is 10 x 8-11;

(3) the antistatic acrylic glue is prepared, the hardening liquid is acrylic and can be fused with the fluorine-containing static liquid without reaction, so that the antistatic liquid is added into the hardening liquid according to the proportion of 5-15%, and the antistatic acrylic glue is prepared. Uniformly coating antistatic acrylic glue on the second corona layer 6 at a speed of 20M/min and a wet coating amount of 20 mu M/45 DEG by using a 120M/45-degree screen roller, wherein the release force of the antistatic acrylic glue is 1-10G, the coating thickness of the antistatic acrylic glue is 8-10 micrometers, the antistatic acrylic glue is fed into an oven for high-temperature curing after being coated, an antistatic acrylic glue layer 3 is formed after curing, and the viscosity of the antistatic acrylic glue layer 3 is 1-10G and the electrostatic value is 10 x 8-10;

(4) and (3) sticking a release film 4 with the thickness of 40-60 microns on the antistatic acrylic adhesive layer 3 to prepare the hardened antistatic acrylic protective film. Preferably, a heat dissipation silica gel layer with the thickness of 40-60 micrometers can be attached to the release film, the heat dissipation silica gel layer is a silica gel film sheet with a heat dissipation function, the heat dissipation rate is 3-8W/MK, meanwhile, sunlight can be prevented from directly transmitting through the release layer to irradiate on the antistatic acrylic adhesive layer, the antistatic acrylic adhesive layer is prevented from aging to cause viscosity failure, and the protection effect is good. The ultraviolet curing antistatic hardened layer 2 is additionally arranged on the prepared antistatic acrylic protective film of the hardened belt, so that the hardened belt is more wear-resistant and is not easy to scratch; the water drop angle of the ultraviolet curing antistatic hardened layer 2 is more than 105 degrees, the smoothness is higher in the using process, and the using hand feeling is good; simultaneously, the ultraviolet curing antistatic hardened layer 2 and the antistatic acrylic adhesive layer 3 have antistatic property, static electricity is effectively reduced, electronic components are not damaged, adhesion of dust on the surface of a product is reduced, the antistatic acrylic adhesive layer 3 is good in exhaust effect, fast and convenient in the attaching process and high in weather resistance.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. In addition, although specific terms are used in the specification, the terms are used for convenience of description and do not limit the present invention in any way, and other protective films that are the same as or similar to the terms are used within the scope of the present invention.

Claims

1. The utility model provides an antistatic ya keli protection film in sclerosis area, its characterized in that, it includes polyurethane PET membrane, the antistatic sclerosis layer of ultraviolet curing, antistatic ya keli glue film, from type membrane, first corona layer and second corona layer, the antistatic sclerosis layer of ultraviolet curing, first corona layer, polyurethane PET membrane, second corona layer, antistatic yakeli glue film and from type membrane superpose in proper order from last to down.

2. The antistatic acrylic protective film with the antistatic property as claimed in claim 1, wherein the thickness of the polyurethane PET film is 40-60 μm.

3. The antistatic acrylic protective film with the curing function of claim 1, wherein the thickness of the ultraviolet curing antistatic cured layer is 2-3 microns.

4. The cured antistatic acrylic protective film as claimed in claim 1, wherein the thickness of the antistatic acrylic adhesive layer is 8-10 μm.

5. The antistatic acrylic protective film with the antistatic property as claimed in claim 1, wherein the thickness of the first corona layer and the second corona layer is 1-3 μm.

6. The antistatic acrylic protective film with the curing function of claim 1, wherein the thickness of the release film is 40-60 microns.

7. The cured antistatic acrylic protective film according to any one of claims 1 to 6, further comprising a heat-dissipating silicone layer with a thickness of 40 to 60 μm, wherein the heat-dissipating silicone layer is attached to the other surface of the release film.