CN203937238U - A high hardness, high temperature and anti-fingerprint protective film - Google Patents

Abstract

The utility model relates to a protection film technical field especially relates to a fingerprint protection film is prevented to high temperature that high rigidity is high temperature resistant, including using the rete and peeling off the rete, peel off the lower surface that the rete laminating fits the use rete, use the rete by last to include in proper order and prevent the fingerprint layer, high temperature resistant layer and high hardness layer, the upper surface on high temperature resistant layer, the lower surface respectively with prevent the fingerprint layer, the laminating of high hardness layer, the lower surface on high hardness layer and the upper surface laminating of peeling off the rete, prevent that the fingerprint layer is equipped with a plurality of holes that run through its upper and lower surface, the transversal circular of personally submitting of hole, the bore of hole is 0.1~10 mu m. The utility model discloses a protection film adopts and prevents fingerprint layer, high temperature resistant layer and high rigidity layer, makes the utility model discloses a protection film still has higher hardness and high temperature resistant effect except having the fingerprint effect of preventing, makes the substrate surface protected not receive destruction and pollution, is applicable to the protection of all kinds of electronic product screens.

Description

A high hardness, high temperature and anti-fingerprint protective film

technical field

The utility model relates to the technical field of protective films, in particular to a high-hardness, high-temperature, anti-fingerprint protective film.

Background technique

As a very common and extremely important display, liquid crystal display is as small as MP4, mobile phone, camera; as large as notebook computer, LCD TV, etc. During the use of these displays, fingernails or other hard objects are often scratched or worn on the display screen, which will affect the normal use of the product. Paste a protective film on the screen to protect the display.

Although the protective film in the prior art has a certain anti-fingerprint effect, the hardness is poor, and the high temperature resistance effect is poor, and the use and performance of the protective film are not good.

Contents of the invention

The purpose of the utility model is to provide a high hardness, high temperature and anti-fingerprint protective film with high hardness, high temperature resistance and anti-fingerprint in view of the deficiencies of the prior art.

In order to achieve the above object, the utility model adopts the following technical scheme: a high-hardness, high-temperature and anti-fingerprint protective film, including a use film layer and a peeling film layer, the peeling film layer is attached to the lower surface of the use film layer, and the use film layer consists of From top to bottom, it includes anti-fingerprint layer, high temperature resistant layer and high hardness layer. The surface is bonded, and the anti-fingerprint layer is provided with a plurality of holes that run through its upper and lower surfaces. The cross-section of the holes is circular, and the diameter of the holes is 0.1-10 μm. the

Further, a glass fiber layer is arranged between the high temperature resistant layer and the high hardness layer.

Further, the upper surface of the use film layer is pasted with a protective film layer.

Further, the protective film layer, the use film layer and the release film layer are all PET films with light transmittance greater than 92% and haze less than 1%. the

Further, a protective adhesive layer is provided between the protective film layer and the use film layer, and a release adhesive layer is provided between the use film layer and the release film layer.

Further, the protective adhesive layer and the peeling adhesive layer are both colored silica gel coatings.

Further, the protective adhesive layer and the peeling adhesive layer are both luminous silica gel coatings.

Further, the upper surface of the protective adhesive layer and the lower surface of the peeling adhesive layer are provided with several protrusions, and the positions of the protective film layer and the peeling film layer corresponding to the protrusions are provided with matching The grooves, the roughness of the upper surface of the protective adhesive layer and the lower surface of the peeling adhesive layer are both 2.5~3.5μm.

Further, the thicknesses of the protective film layer and the peeling film layer are both 20-60 μm, the thickness of the used film layer is 50-200 μm, and the thicknesses of the protective adhesive layer and the peeling adhesive layer are both 10 μm. ~40 μm.

Further, the thickness ratio of the anti-fingerprint layer, the high temperature resistant layer and the high hardness layer is 1:6~8:1.5~2.5. the

The beneficial effect of the utility model is that: the protective film of the utility model sets holes in the anti-fingerprint layer, uses the holes to scatter the external light to achieve the purpose of anti-glare, avoids the use of anti-glare transparent film layer, and effectively reduces the overall anti-glare effect. The thickness of the film is conducive to the thin design of the anti-glare film. The protective film of the present invention adopts an anti-fingerprint layer, a high-temperature resistant layer and a high-hardness layer, so that the protective film of the present utility model has high hardness and high-temperature resistance in addition to the anti-fingerprint effect, so that the protected substrate The surface is not damaged and polluted, and it is suitable for the protection of various electronic product screens. Through experiments and tests, the hardness of the protection film of the utility model can reach up to 6H, and the high temperature resistance can reach up to 250° C., and the anti-fingerprint effect is good. the

Description of drawings:

Fig. 1 is a schematic structural view of Embodiment 1 of the utility model.

Fig. 2 is a schematic structural view of Embodiment 2 of the utility model.

Fig. 3 is a schematic structural view of Embodiment 3 of the utility model.

Reference signs are: 1—protective film layer, 2—protective adhesive layer, 3—usable film layer, 31—anti-fingerprint layer, 311—hole, 32—high temperature resistant layer, 33—high hardness layer, 34—glass fiber layer , 4—peeling adhesive layer, 5—peeling film layer, 6—protruding portion.

Detailed ways:

In order to facilitate the understanding of those skilled in the art, the utility model will be further described below in conjunction with the embodiments and accompanying drawings 1 to 3, and the content mentioned in the implementation mode is not a limitation of the utility model.

As shown in Figure 1, it is an embodiment one of a high-hardness, high-temperature, anti-fingerprint protective film described in the present invention, which includes a use film layer 3 and a peeling film layer 5, and the peeling film layer 5 is attached to the bottom of the use film layer 3. On the surface, the film layer 3 includes an anti-fingerprint layer 31, a high-temperature resistant layer 32 and a high-hardness layer 33 from top to bottom, and the upper surface and the lower surface of the high-temperature-resistant layer 32 are bonded to the anti-fingerprint layer 31 and the high-hardness layer 33 respectively. , the lower surface of the high-hardness layer 33 is attached to the upper surface of the peeling film layer 5, and the anti-fingerprint layer 31 is provided with a plurality of holes 311 running through its upper and lower surfaces. The cross-section of the holes 311 is circular, and the diameter of the holes 311 is 0.1 ~10 μm. The anti-fingerprint layer 31 and the high-temperature-resistant layer 32 are made of anti-fingerprint PET film material and high-temperature-resistant PET film material respectively, and both materials are purchased from Shenzhen Jinmalai Plastic Co., Ltd.; the high-hardness layer 33 is silicon dioxide film, zirconium dioxide film or aluminum oxide film. the

The protective film of the present invention is provided with holes 311 in the anti-fingerprint layer 31, and utilizes holes 311 to scatter external light to achieve the purpose of anti-glare, avoiding the use of anti-glare transparent film layers, effectively reducing the thickness of the entire anti-glare film, which is beneficial to Thin design of anti-glare film. The protective film of the present invention adopts an anti-fingerprint layer 31, a high-temperature resistant layer 32 and a high-hardness layer 33, so that the protective film of the present invention has high hardness and high-temperature resistance in addition to the anti-fingerprint effect, so that the protected film The surface of the base material is not damaged and polluted, and it is suitable for the protection of the screens of various electronic products. Through experiments and tests, the hardness of the protection film of the utility model can reach up to 6H, and the high temperature resistance can reach up to 250° C., and the anti-fingerprint effect is good.

As shown in Figure 2, the second embodiment of a high-hardness, high-temperature and anti-fingerprint protective film described in the present invention is different from the first embodiment in that: the high-temperature-resistant layer 32 and the high-hardness layer 33 A glass fiber layer 34 is arranged in between. The thickness of the glass fiber layer 34 is 1-5 μm. The protective film of the present invention is provided with the glass fiber layer 34, which facilitates the processing and manufacturing of the protective film of the present invention.

As shown in Figure 3, it is the third embodiment of a high-hardness, high-temperature and anti-fingerprint protective film described in the present invention. Film layer 1. The protective film layer 1 is used to prevent the protective film of the present invention from being stained with dust and scratches before use, and will be peeled off during use as a protective surface. Because the peeling film layer 5 is provided, during use, the peeling film layer 5 is taken off from the protective film of the present utility model, and the utility model is attached to the screen carrier to be bonded, so as to protect the screen carrier to be protected .

In this embodiment, the protective film layer 1, the use film layer 3 and the release film layer 5 are all PET films with a light transmittance greater than 92% and a haze less than 1%. The protective film of the utility model adopts a PET film with a light transmittance greater than 92% and a haze of less than 1%, so that the protective film of the present invention has high transparency, a light transmittance of 86-93%, and a haze of 3%-12. %.

In this embodiment, a protective adhesive layer 2 is provided between the protective film layer 1 and the use film layer 3 , and a release adhesive layer 4 is provided between the use film layer 3 and the release film layer 5 . Both the protective adhesive layer 2 and the peeling adhesive layer 4 are OCA optical adhesive, traceless adhesive, pressure sensitive adhesive, hot melt adhesive or silica gel coating. The protective film of the present invention is provided with the protective adhesive layer 2 and the peeling adhesive layer 4, so that the protective film layer 1 and the peeling film layer 5 are conveniently removed from the protective film of the present invention.

In this embodiment, the protective adhesive layer 2 and the peeling adhesive layer 4 are both colored silica gel coatings. The protective film of the present invention forms a colored silica gel coating by adding a small amount of toner particles to the silica gel layer. First, it can not only maintain the advantages of high light transmittance of the original PET film, but also change the single color of the current mobile phone screen protection film. It has the effect of beautifying, decorating and embellishing the product; it can also slow down the user's eye fatigue due to the effect of the toner particles, thereby effectively controlling the growth of myopia.

In this embodiment, the protective adhesive layer 2 and the peeling adhesive layer 4 are both luminescent silica gel coatings. The protective film of the present utility model adds luminous powders of different colors and other dispersing aids to the silica gel layer. After coating, the entire protective film is transparent and bright, has a strong sense of fashion, and can emit bright light in the night. It can be widely used in the screen protection of various LCD screens.

In this embodiment, the upper surface of the protective adhesive layer 2 and the lower surface of the peeling adhesive layer 4 are provided with several raised portions 6, and the protective film layer 1 and the peeling film layer 5 correspond to the raised portions. The position of the part 6 is provided with matching grooves, and the roughness of the upper surface of the protective adhesive layer 2 and the lower surface of the peeling adhesive layer 4 are both 2.5-3.5 μm. The protective film of the present utility model is provided with several protrusions 6 on the upper surface of the protective adhesive layer 2 and the lower surface of the peeling adhesive layer 4, and the positions corresponding to the protrusions 6 of the protective film layer 1 and the peeling film layer 5 are set. There are matching grooves (not shown in the figure), when the protective adhesive layer 2 and the peeling adhesive layer 4 are applied, the liquid glue penetrates into the grooves on the surface of the protective film layer 1 and the peeling film layer 5, and the glue is in the After solidification, the raised portion 6 is formed, and the protective adhesive layer 2 and the peeling adhesive layer 4 are respectively bonded to the protective film layer 1 and the peeling film layer 5 by cooperating with the groove. Therefore, the bonding force is more firm and reliable, and can also be passed Regulating the depth, width and density of the grooves on the surface of the protective film layer 1 and the peeling film layer 5 comes from freely adjusting the size of the peeling force between the protective adhesive layer 2, the peeling adhesive layer 4 and the protective film layer 1 and the peeling film layer 5, which is practical Strong. In order to achieve the best use effect of the utility model, the roughness of the lower surface of the protective adhesive layer 2 and the upper surface of the peeling adhesive layer 4 are both 3 μm.

In this embodiment, the thickness of the protective film layer 1 and the peeling film layer 5 are both 20-60 μm, the thickness of the used film layer 3 is 50-200 μm, the protective adhesive layer 2, the peeling adhesive The thickness of layer 4 is 10-40 μm. The protective film of the present utility model is by controlling the thickness of the protective film layer 1, the protective adhesive layer 2, the use film layer 3, the peeling adhesive layer 4, and the peeling film layer 5 within the above-mentioned range, so that the thickness of the protective film of the present utility model is thin, The light transmittance is better, and each performance is excellent, and in order to make the utility model reach the best use effect, the thickness of the protective film layer 1 and the peeling film layer 5 is 40 μm, and the thickness of the use film layer 3 is 125 μm, the thickness of the protective adhesive layer 2 and the peeling adhesive layer 4 are both 25 μm.

In this embodiment, the thickness ratio of the anti-fingerprint layer 31 , the high temperature resistant layer 32 and the high hardness layer 33 is 1:6~8:1.5~2.5. The protective film of the present utility model can make the protective film of the present utility model have high transparency, light transmission The rate is 86-93%. In order to achieve the best use effect of the utility model, the thickness ratio of the anti-scratch layer, the anti-glare coating layer and the high hardness layer 33 is 1:7:2. the

The above-mentioned embodiment is a preferred implementation of the utility model. In addition, the utility model can also be realized in other ways. Any obvious replacement is within the scope of protection of the utility model without departing from the concept of the utility model. Inside.

Claims (10)

1. A high-hardness, high-temperature-resistant anti-fingerprint protective film, comprising a use film layer and a peeling film layer, the peeling film layer is attached to the lower surface of the use film layer, and it is characterized in that: the use film layer includes anti-fingerprint film from top to bottom Layer, high temperature resistant layer and high hardness layer, the upper surface and lower surface of the high temperature resistant layer are respectively bonded with the anti-fingerprint layer and the high hardness layer, the lower surface of the high hardness layer is bonded with the upper surface of the peeling film layer, and the anti-fingerprint layer There are multiple holes running through the upper and lower surfaces, the cross-section of the holes is circular, and the diameter of the holes is 0.1-10 μm. 2. A high-hardness, high-temperature, and anti-fingerprint protective film according to claim 1, wherein a glass fiber layer is arranged between the high-temperature-resistant layer and the high-hardness layer. 3. A high-hardness, high-temperature, and anti-fingerprint protective film according to claim 1, characterized in that: a protective film is pasted on the upper surface of the used film. 4. A high-hardness, high-temperature and anti-fingerprint protective film according to claim 3, characterized in that: the protective film layer, the use film layer and the peeling film layer all have a light transmittance greater than 92%, PET film with haze less than 1%. 5. A high-hardness, high-temperature, anti-fingerprint protective film according to claim 3, characterized in that: a protective adhesive layer is arranged between the protective film layer and the use film layer, and the use film layer and the peeling A peeling adhesive layer is arranged between the film layers. 6. A high-hardness, high-temperature-resistant, anti-fingerprint protective film according to claim 5, characterized in that: the protective adhesive layer and the peeling adhesive layer are both colored silica gel coatings. 7. A high-hardness, high-temperature, and anti-fingerprint protective film according to claim 5, characterized in that: the protective adhesive layer and the peeling adhesive layer are both luminous silica gel coatings. 8. A high-hardness, high-temperature and anti-fingerprint protective film according to claim 5, characterized in that: the upper surface of the protective adhesive layer and the lower surface of the peeling adhesive layer are provided with several raised portions, The protective film layer and the peeling film layer are provided with matching grooves at positions corresponding to the protrusions, and the roughness of the upper surface of the protective adhesive layer and the lower surface of the peeling adhesive layer are both 2.5-3.5 μm. 9. A high-hardness, high-temperature and anti-fingerprint protective film according to claim 5, characterized in that: the thickness of the protective film layer and the peeling film layer are both 20-60 μm, and the thickness of the used film layer 50-200 μm, the thickness of the protective adhesive layer and the peeling adhesive layer are both 10-40 μm. 10. A high-hardness and high-temperature-resistant anti-fingerprint protective film according to claim 1, wherein the thickness ratio of the anti-fingerprint layer, the high-temperature-resistant layer and the high-hardness layer is 1:6~8 :1.5~2.5.