CN216584833U - UV pressure-sensitive adhesive protective film - Google Patents
UV pressure-sensitive adhesive protective film Download PDFInfo
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- CN216584833U CN216584833U CN202220024815.3U CN202220024815U CN216584833U CN 216584833 U CN216584833 U CN 216584833U CN 202220024815 U CN202220024815 U CN 202220024815U CN 216584833 U CN216584833 U CN 216584833U
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Abstract
In order to overcome the technical problems that the thickness of an SCA adhesive layer is thicker, the fluidity is poor, the flatness cannot meet the requirements, and a protective film cannot be in full contact with a veneered surface, so that the appearance of the veneered film is poor in the prior art, the UV pressure-sensitive adhesive protective film provided by the utility model comprises a first protective film, a film layer and a UV pressure-sensitive adhesive layer, wherein the UV pressure-sensitive adhesive layer is thinner, the surface of the adhesive layer is smooth, the flatness meets the requirements, the fluidity of the UV pressure-sensitive adhesive is better, and the adhesive is softer; when the UV pressure sensitive adhesive protection film contacts with the wainscot, the UV pressure sensitive adhesive layer with thinner, flatter, softer thickness can be effectual with UV pressure sensitive adhesive protection film with by wainscot abundant contact, the pad pasting outward appearance that forms is level and smooth, effectively solves among the prior art touch-sensitive screen protection film and uses the outward appearance bad problem that SCA glued and cause.
Description
Technical Field
The utility model relates to a protection film technical field especially relates to a UV pressure sensitive adhesive protection film.
Background
The touch screen protective film in the prior art includes a transparent SCA glue layer, a protective film, a substrate layer, and the like, and the protective film and the substrate layer are generally bonded together through the SCA glue layer. The inventor discovers that the SCA glue layer is cast, the thinnest thickness of the SCA glue layer can only be 0.1mm, the thickness of the SCA glue layer is thick, the flatness of the SCA glue layer cannot meet the requirement, the SCA glue is hard, the fluidity of the SCA glue layer is poor, and the protective film cannot be fully contacted with the veneered surface. The existing veneers usually have tiny pits and bulges, and the touch screen protective film which bonds the protective film and the substrate layer together by using the SCA glue layer cannot contact with the tiny bulges and pits on the veneers, thereby causing poor appearance.
SUMMERY OF THE UTILITY MODEL
To current SCA glue film curtain coating come out, thickness is thick, mobility is poor, the roughness can not reach the requirement, the protection film with by wainscot can not the abundant contact, cause the bad technical problem of pad pasting outward appearance, the utility model provides a UV pressure sensitive adhesive protection film.
In order to solve the above technical problem, in one aspect, the present invention provides a UV pressure sensitive adhesive protective film, including a first protective film, a film layer and a UV pressure sensitive adhesive layer, wherein the UV pressure sensitive adhesive layer covers one side surface of the film layer; the surface of one side, away from the UV pressure-sensitive adhesive layer, of the membrane layer is covered with the first protective film.
Preferably, the UV pressure-sensitive adhesive protective film further includes a first hand-tear label fixed on the first protective film.
Preferably, the UV pressure-sensitive adhesive protective film further comprises a second release film, and the surface of one side of the UV pressure-sensitive adhesive layer, which is far away from the film body layer, is covered with the second release film; the UV pressure-sensitive adhesive protective film further comprises a second hand-tearing label, and the second hand-tearing label is fixed on the second release film.
Preferably, the UV pressure-sensitive adhesive protective film further comprises a substrate layer and an adhesive glue layer,
the substrate layer covers the surface of one side, far away from the membrane layer, of the UV pressure-sensitive adhesive layer;
the adhesive glue layer covers the surface of one side, far away from the UV pressure-sensitive glue layer, of the base material layer.
Preferably, the UV pressure-sensitive adhesive protection film further comprises a third release film, wherein the adhesive layer is far away from the surface of one side of the base material layer and is covered with the third release film.
Preferably, the UV pressure-sensitive adhesive protective film further comprises a third hand-tear label, and the third hand-tear label is fixed on the third release film.
Preferably, the adhesion force of the film body layer and the substrate layer is more than 2000g/25 mm.
Preferably, the thickness of the UV pressure-sensitive adhesive layer is 5 μm to 1000 μm.
Preferably, the film body layer is a tempered glass film or a plastic film.
Preferably, the substrate layer is a plastic film or a composite plate.
Preferably, the adhesive glue layer comprises an adhesive silica gel layer, an adhesive PU glue layer or an adhesive acrylic glue layer.
The utility model discloses beneficial effect:
the utility model provides a UV pressure sensitive adhesive protection film, including first protection film, membranous layer and UV pressure sensitive adhesive layer, UV pressure sensitive adhesive layer thickness is thinner, and the glue film surface is level, and the roughness satisfies the requirement, and UV pressure sensitive adhesive mobility is better, and the glue is softer; when the UV pressure sensitive adhesive protection film contacts with the wainscot, the UV pressure sensitive adhesive layer with thinner, flatter, softer thickness can be effectual with UV pressure sensitive adhesive protection film with by wainscot abundant contact, the pad pasting outward appearance that forms is level and smooth, effectively solves among the prior art touch-sensitive screen protection film and uses the outward appearance bad problem that SCA glued and cause.
Drawings
FIG. 1 is a schematic structural view of a UV pressure-sensitive adhesive protective film provided in example 1;
fig. 2 is a schematic structural diagram of the UV pressure-sensitive adhesive protective film provided in example 2.
The reference numbers in the drawings of the specification are as follows:
1. a first protective film; 2. a membrane layer; 3. a UV pressure sensitive adhesive layer; 4. a substrate layer; 5. a viscous glue layer; 6. a second release film; 7. a first hand-tear tab; 8. a second tear tab; 9. a third release film; 10. and a third hand-tear tab.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, in one aspect, this embodiment 1 provides a UV pressure sensitive adhesive protective film, which includes a first protective film 1, a film body layer 2 and a UV pressure sensitive adhesive layer 3, wherein the UV pressure sensitive adhesive layer 3 covers one side surface of the film body layer 2, and one side surface of the film body layer 2 away from the UV pressure sensitive adhesive layer 3 covers the first protective film 1.
The UV pressure-sensitive adhesive protection film that embodiment 1 provided, including first protection film 1, lamina membranacea layer 2 and UV pressure-sensitive adhesive layer 3, UV pressure-sensitive adhesive layer 3 is that the UV pressure-sensitive adhesive coating forms on lamina membranacea layer 2 is surperficial, and the 3 thickness of the UV pressure-sensitive adhesive layer of formation is thinner, and glue film surface smoothness, roughness satisfy the requirement, and UV pressure-sensitive adhesive mobility is better, glues softly. When the UV pressure sensitive adhesive protection film contacts with the wainscot, the UV pressure sensitive adhesive layer 3 with thinner, flatter, softer thickness can be effectual with UV pressure sensitive adhesive protection film with by wainscot abundant contact, the pad pasting outward appearance of formation is level and smooth, effectively solves among the prior art touch-sensitive screen protection film and uses the outward appearance bad problem that SCA glued and cause. In this embodiment 1, the UV pressure-sensitive adhesive protective film further includes a second release film 6, and the second release film 6 covers a surface of the UV pressure-sensitive adhesive layer 3 on a side away from the film body layer 2.
Specifically, the first protective film 1 protects the film layer 2 so that the UV pressure-sensitive adhesive protective film is not easily damaged before being used. After the first protection film 1 is detached from the surface of the film body layer 2, the film body layer 2 is not affected. The second release film 6 protects the UV pressure-sensitive adhesive layer 3 so that the UV pressure-sensitive adhesive layer 3 is not damaged before being sufficiently contacted with the faced surface.
In this embodiment 1, the first hand-tear label 7 is fixed on the first protective film 1.
Specifically, the first hand-tearing label 7 is fixed on the edge of the first protection film 1, when a user needs to separate the first protection film 1 from the film body layer 2, the user can tear the first hand-tearing label 7 manually to separate the first protection film 1 from the film body layer 2, and the first hand-tearing label 7 plays a role in quickly separating the first protection film 1 from the film body layer 2.
In this embodiment 1, the second tear-off label 8 is fixed to the second release film 6.
Specifically, second is handed and is torn label 8 and fixed on the edge that the second was from type membrane 6, when the user need be with the second from type membrane 6 from the separation on UV pressure sensitive adhesive layer 3, the user through manually tear second hand tear label 8 can, can separate the second from type membrane 6 from UV pressure sensitive adhesive layer 3, second is handed tears label 8 and plays the effect of separating second from type membrane 6 and UV pressure sensitive adhesive layer fast.
In this embodiment 1, the film body layer 2 is a plastic film.
Preferably, the film body layer 2 has a thickness of 0.01mm to 10mm, and the UV pressure-sensitive adhesive layer 3 has a thickness of 5 μm to 1000 μm.
Compared with the SCA adhesive layer with the thickness of 0.1mm in the prior art, the thickness of the UV pressure-sensitive adhesive layer 3 is 5-1000 μm, and the thickness of the UV pressure-sensitive adhesive layer 3 is thinner, so that the full contact between the protective film and the veneered surface is facilitated.
Specifically, at UV pressure sensitive adhesive protection film with when being faced the contact, the function that the protection was faced is played to the membrane somatic layer 2, UV pressure sensitive adhesive layer is good because of its mobility, UV pressure sensitive adhesive layer is softer, the surface is more flat, thickness is thinner, UV pressure sensitive adhesive layer can with by the wainscot abundant contact, cover by the original little pit of wainscot, arch etc. for UV pressure sensitive adhesive protection film with by the wainscot after fully contacting, the outward appearance roughness is better, effectively solve among the prior art touch-sensitive adhesive protection film and use the bad problem of outward appearance that the SCA glued and lead to the fact.
When the UV pressure-sensitive adhesive protective film of embodiment 1 is used, first, the second release film 6 is separated from the pressure-sensitive adhesive layer 3 by manually tearing the second hand-tear label 8, and then the UV pressure-sensitive adhesive protective film is adhered to the adhered surface, and whether there are appearance defects such as dust, dirt, and bubbles between the protective film and the adhered surface is checked, if there are appearance defects, the protective film is manually torn off for rework processing, and then the protective film and the adhered surface are adhered again until there is no appearance defect between the protective film and the adhered surface. The application provides a UV pressure sensitive adhesive protection film can carry out pasting, laminating many times with being waited for, can not appear because of pasting outside bad, and the direct cost increase problem of scrapping of protection film.
As shown in fig. 2, this embodiment 2 provides a UV pressure sensitive adhesive protective film, which includes a first protective film 1, a film body layer 2, a UV pressure sensitive adhesive layer 3, a substrate layer 4 and an adhesive layer 5, wherein the UV pressure sensitive adhesive layer 3 covers one side surface of the film body layer 2, and the first protective film 1 covers one side surface of the film body layer 2 away from the UV pressure sensitive adhesive layer 3; the substrate layer 4 covers the surface of the UV pressure-sensitive adhesive layer 3 on the side far away from the film body layer 2; the adhesive glue layer 5 covers the surface of one side, far away from the UV pressure-sensitive glue layer 3, of the base material layer 4.
The UV pressure sensitive adhesive protection film that embodiment 2 provided, including first protection film 1, film body layer 2, UV pressure sensitive adhesive layer 3, substrate layer 4 and viscidity glue film 5, UV pressure sensitive adhesive layer 3 is with film body layer 2 and substrate layer 4, the UV pressure sensitive adhesive protection film that viscidity glue film 5 bondd and constitutes together, the protection film with by the wainscot contact time, thickness is thinner, more tie, softer UV pressure sensitive adhesive layer 3 can be effectual with UV pressure sensitive adhesive protection film with by wainscot abundant contact, the pad pasting outward appearance of formation levels, effectively solve among the prior art touch-sensitive screen protection film and use the bad problem of outward appearance that the SCA glue caused.
In the process of producing the UV pressure sensitive adhesive protective film of example 2, first, the UV pressure sensitive adhesive is coated on one side surface of the substrate layer 4, then the adhesive layer 5 is coated on one side surface of the substrate layer 4 away from the UV pressure sensitive adhesive, then the film body layer 1 is covered on the UV pressure sensitive adhesive, then whether the poor appearance problem such as dust, dirt, air bubbles exists between the film body layer 1 and the substrate layer 4 is checked, if the poor appearance problem exists between the film body layer 1 and the substrate layer 4 is checked, the film body layer 1 and the substrate layer 4 can be separated because the UV pressure sensitive adhesive has weak adhesiveness, rework treatment is carried out until the poor appearance problem does not exist between the film body layer 1 and the substrate layer, finally, the film body layer 1, the UV pressure sensitive adhesive and the substrate layer 4 are subjected to vacuum hot pressing, finally, UV curing is carried out, the film body layer 1 can be stably fixed on the substrate layer 4, and UV curing is carried out, the adhesion between the substrate layer 4 and the film body layer 1 is greater than 2000g/25 mm. Further, the present embodiment 2 provides the UV pressure-sensitive adhesive protective film, wherein the thickness of the UV pressure-sensitive adhesive layer 3 is 5 μm to 1000 μm.
Compared with the SCA adhesive layer with the thickness of 0.1mm in the prior art, the thickness of the UV pressure-sensitive adhesive layer 3 is 5-1000 μm, and the thickness of the UV pressure-sensitive adhesive layer 3 is thinner, so that the full contact between the protective film and the veneered surface is facilitated.
Specifically, the thickness of the UV pressure-sensitive adhesive layer 3 may be 10 μm, 20 μm, 30 μm, 40 μm, 100 μm, 150 μm, 200 μm, 240 μm, 300 μm, 360 μm, 400 μm, 500 μm, 550 μm, 600 μm, 700 μm, 800 μm, 900 μm, 1000 μm.
Specifically, the UV pressure sensitive adhesive layer 3 not only plays a role in bonding the film body layer 2 and the substrate layer 4 together, but also is good in flowability and softer due to the fact that the thickness of the UV pressure sensitive adhesive layer 3 is smaller, and the protection film is in full contact with a veneered surface, so that the problem of poor appearance of the protection film after the protection film is pasted by using the SCA adhesive layer in the prior art is effectively solved.
Further, in the present embodiment 2, the adhesion of the film body layer 2 to the base material layer 4 is more than 2000g/25 mm.
The adhesion of the film body layer 2 to the base material layer 4 here is the adhesion after the UV pressure-sensitive adhesive is irradiated with UV light so that the UV pressure-sensitive adhesive is cured to form the UV pressure-sensitive adhesive layer 3. The UV pressure-sensitive adhesive bonds the membrane body layer 2 with the substrate layer 4 and the adhesive layer 5 together, the adhesive force of the membrane body layer 2 and the substrate layer 4 is larger than 2000g/25mm, and the membrane body layer 2 and the substrate layer 4 can be firmly bonded.
Further, in this embodiment 2, the surface of the film body layer 2 on the side away from the UV pressure sensitive adhesive layer 3 is covered with the first protective film 1.
The first protective film 1 functions as a protective film layer 2 so that the UV pressure-sensitive adhesive protective film is not easily damaged before it is not used. After the first protection film 1 is detached from the surface of the film body layer 2, the film body layer 2 is not affected.
Preferably, in this embodiment 2, the UV pressure-sensitive adhesive protective film further includes a first hand-tear label 7, the first hand-tear label 7 is fixed on the first protective film 1, and when a user needs to separate the first protective film 1 from the film body layer 2, the first protective film 1 can be separated from the film body layer 2 directly by controlling the first hand-tear label 7; the first hand-tear label 7 serves to facilitate the separation of the first protective film 1 from the film body layer 2.
Specifically, the first hand-tear tab 7 may be fixed at any position on the edge of the first protective film 1.
Further, the UV pressure-sensitive adhesive protection film that embodiment 2 provided still includes the third from type membrane 9, and the third is from type membrane 9 cover on the side surface that substrate layer 4 is kept away from at adhesive glue film 5, and the third plays protection adhesive glue film 5 from type membrane 9 for adhesive glue film 5 is difficult by the broken meeting, also can guarantee adhesive glue film 5's viscidity simultaneously.
Preferably, the UV pressure-sensitive adhesive protection film provided by this embodiment 2 further includes a third hand-tearing label 10, the third hand-tearing label 10 is fixed on the third release film 9, when the user needs to separate the third release film 9 from the adhesive glue layer 5, the user can tear the third hand-tearing label 10 manually, so that the third release film 9 can be separated from the adhesive glue layer 5, and the third release film 9 can be separated from the adhesive glue layer 5 conveniently.
Specifically, the third hand-tear label 10 is fixed at an arbitrary position on the edge of the third release film 9.
Further, in this embodiment 2, the film body layer 2 is a tempered glass film or a plastic film. The hardness of the toughened glass film is higher than that of common glass, the transmittance of the picture reaches more than 98 percent, and the use of the screen is not influenced.
Specifically, the film body layer 2 is a toughened glass film or a plastic film with certain hardness, and mainly plays a role in protecting the attached surface and preventing the attached surface from being damaged and cracked.
Further, in this embodiment 2, the substrate layer 4 is a plastic film or a composite plate. The substrate layer 4 plays the effect of fixed viscidity glue film 5 and UV pressure sensitive adhesive layer 3 simultaneously, stable in structure, it is with low costs.
Further, in this embodiment 2, the adhesive layer 5 includes an adhesive silicone layer, an adhesive PU layer, or an adhesive acrylic adhesive layer. The adhesive layer 5 mainly functions to adhere the UV pressure sensitive adhesive protective film to the electronic screen.
Preferably, the thickness of the film body layer 2 is 0.01mm to 10mm, the thickness of the UV pressure-sensitive adhesive layer 3 is 5 μm to 1000 μm, the thickness of the base material layer 4 is 1 μm to 1mm, and the thickness of the adhesive layer 5 is 1 μm to 1 mm.
Specifically, the utility model provides a UV pressure sensitive adhesive protection film can use in electronic screens such as cell-phone screen, computer screen, equipment operation monitor screen, electronic watch screen, medical machinery operation screen, driving of a car operation screen, plays the effect of protection screen.
The preparation process of the UV pressure-sensitive adhesive protective film provided in this example 2 is described as follows: coating a UV pressure-sensitive colloid on the surface of one side of the base material layer 4 through hot melting, wherein the thickness of the colloid is 5-1000 μm, and forming the UV pressure-sensitive colloid; keep away from one side surface coating viscidity glue of UV pressure sensitive colloid at substrate layer 4, then cover lamina membranacea layer 2, apply pressure to lamina membranacea layer 2 and substrate layer 4 and carry out preliminary pressfitting in advance for UV pressure sensitive glue realizes the preliminary bonding of lamina membranacea and substrate layer 4 under pressure, and preliminary adhesion is 1g/25mm-500g/25 mm. And finally, UV light irradiation is carried out, so that the UV pressure-sensitive adhesive is cured to obtain a UV pressure-sensitive adhesive layer, the adhesion between the substrate layer 4 and the film body layer 2 is further enhanced through the UV pressure-sensitive adhesive curing, and the adhesion between the substrate layer 4 and the film body layer 2 is tested to be more than 2000g/25 mm. Finally, the first protective film 1 is covered on the surface of one side, far away from the UV pressure-sensitive adhesive layer 3, of the film body layer 2, the third release film 9 is covered on the surface of one side, far away from the base material layer 4, of the adhesive layer 5, finally the first hand-tear label 7 is fixed on the first protective film 1, and the third hand-tear label 10 is fixed on the third release film 9.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A UV pressure-sensitive adhesive protective film is characterized by comprising a first protective film, a film body layer and a UV pressure-sensitive adhesive layer,
the UV pressure-sensitive adhesive layer covers one side surface of the membrane body layer;
the surface of one side, away from the UV pressure-sensitive adhesive layer, of the membrane layer is covered with the first protective film.
2. The UV pressure-sensitive adhesive protective film according to claim 1, wherein the UV pressure-sensitive adhesive protective film further comprises a first hand-tear label, said first hand-tear label being affixed to said first protective film.
3. The UV pressure-sensitive adhesive protective film according to claim 1, further comprising a second release film, wherein the surface of the UV pressure-sensitive adhesive layer on the side away from the film body layer is covered with the second release film;
the UV pressure-sensitive adhesive protective film further comprises a second hand-tearing label, and the second hand-tearing label is fixed on the second release film.
4. The UV pressure-sensitive adhesive protective film according to claim 1, wherein the UV pressure-sensitive adhesive protective film further comprises a substrate layer and an adhesive layer,
the substrate layer covers the surface of one side, far away from the membrane layer, of the UV pressure-sensitive adhesive layer;
the adhesive glue layer covers the surface of one side, far away from the UV pressure-sensitive glue layer, of the base material layer.
5. The UV pressure-sensitive adhesive protective film according to claim 4, further comprising a third release film, wherein the third release film is covered on the surface of the side of the adhesive layer away from the substrate layer.
6. The UV pressure-sensitive adhesive protective film according to claim 5, further comprising a third hand-tear label affixed to the third release film.
7. The UV pressure sensitive adhesive protective film according to claim 4, wherein the adhesion of the film body layer to the substrate layer is greater than 2000g/25 mm.
8. The UV pressure-sensitive adhesive protective film according to claim 4, wherein the substrate layer is a plastic film or a composite plate; the viscidity glue film includes viscidity silica gel layer, viscidity PU glue film or viscidity ya keli glue film.
9. The UV pressure-sensitive adhesive protective film according to claim 1, wherein the thickness of the UV pressure-sensitive adhesive layer is 5 μm to 1000 μm.
10. The UV pressure-sensitive adhesive protective film according to claim 1, wherein the film layer is a tempered glass film or a plastic film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220024815.3U CN216584833U (en) | 2022-01-05 | 2022-01-05 | UV pressure-sensitive adhesive protective film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220024815.3U CN216584833U (en) | 2022-01-05 | 2022-01-05 | UV pressure-sensitive adhesive protective film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216584833U true CN216584833U (en) | 2022-05-24 |
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ID=81634060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220024815.3U Active CN216584833U (en) | 2022-01-05 | 2022-01-05 | UV pressure-sensitive adhesive protective film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216584833U (en) |
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2022
- 2022-01-05 CN CN202220024815.3U patent/CN216584833U/en active Active
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