CN211000343U

CN211000343U - TPU explosion-proof protection film of flexible separation blue light

Info

Publication number: CN211000343U
Application number: CN201921803785.0U
Authority: CN
Inventors: 陈柱杰; 刘兵; 陈智仁; 谢伟峡
Original assignee: Jiangxi Boc Technology Group Co ltd
Current assignee: Jiangxi Boc Technology Group Co ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-07-14
Anticipated expiration: 2029-10-25

Abstract

The utility model discloses a TPU explosion-proof protection film of flexible separation blue light, include according to from last protective layer, the use layer of laminating in proper order extremely down and from the type layer, its characterized in that: the protective layer includes PET rete and the silica gel layer of laminating in proper order from last to down, use the layer including according to from last to down the order laminated H/C sclerosis layer in proper order, prevent blue light PET rete, first height and pass through OCA glue film, first TPU rete, second height and pass through OCA glue film, second TPU rete and reticulation pressure sensitive adhesive layer. The utility model discloses a reasonable structural design has concurrently and prevents scraping characteristics such as wear-resisting performance, explosion-proof effect, exhaust performance are good and feel soft, separation blue light.

Description

TPU explosion-proof protection film of flexible separation blue light

The technical field is as follows:

the utility model relates to a protection film technical field specifically is a TPU explosion-proof protection film that relates to a flexible separation blue light.

Background art:

with the rapid development of the mobile phone and automobile industries, the O L ED curved screen becomes a trend, the radian of the screen is larger and larger, such as a 3D screen, a waterfall screen and the like, the traditional PET protective film has hard hardness, poor attaching effect and easy rebound and falling, and can not meet the development requirement of the O L ED curved screen, so that the TPU flexible explosion-proof protective film is suitable for transportation.

The TPU is also called as a thermoplastic polyurethane elastomer, and is very suitable for the application of the prior curved screen protective film due to the outstanding bearing capacity, impact resistance and shock absorption performance, soft hand feeling, environmental protection and no toxicity. However, the TPU flexible film has poor scratch resistance and friction resistance, the surface is easily scratched, and bubbles are not easily discharged when the flexible film is attached to a screen, so that the appearance and the definition of the screen are influenced; meanwhile, the TPU film layer with high molecular weight has good elasticity, is easy to rebound in the laminating process and is not easy to bend and form, so that the wide popularization and application of the TPU film material are limited.

In view of the above defects, the designer actively makes research and innovation to create a new flexible blue light blocking TPU explosion-proof protective film with a novel structure, so that the protective film has industrial utilization value.

The utility model has the following contents:

the utility model discloses a problem that prior art exists is aimed at solving, provides a structure and sets up rationally, feels soft, and wear-resisting preventing scrapes, and the exhaust nature is good and attached excellent performance's TPU explosion-proof protection film of flexible separation blue light.

The utility model relates to a TPU explosion-proof protection film of flexible separation blue light, include according to from last protective layer, the service layer of laminating in proper order extremely down and from the type layer, its characterized in that: the protective layer includes PET rete and the silica gel layer of laminating in proper order from last to down, use the layer including according to from last to down in proper order H/C sclerosis layer in proper order, prevent blue light PET rete, first high OCA glue film, first TPU rete, the high OCA glue film, second TPU rete and reticulation pressure sensitive adhesive layer of passing through of second.

By means of the technical scheme, the utility model combines the nine-layer structure to form the integral film, the design structure is reasonable, before use, the protective layer and the release layer effectively protect the use layer, and the use layer is not scratched or damaged by external force before use, thereby ensuring the product quality; when the adhesive is pasted, the release layer is peeled, the reticulate pressure-sensitive adhesive layer of the using layer can be smoothly adsorbed on the surface of an object to be pasted without air bubbles, and the adhesive has good air exhaust performance, high laminating degree and no residual adhesive; during the use, the H/C sclerosis layer in the use layer can improve the scratch resistance and the antifriction performance of protection film, and bearing capacity, shock resistance and the shock attenuation performance on TPU layer are outstanding, and when suffering explosion or great impact, multilayer TPU has splendid cushioning effect and explosion-proof effect, and safe and reliable has the blue light PET rete of preventing between H/C sclerosis layer and TPU layer, has the effect of separation blue light.

Through the technical scheme, the utility model discloses a TPU explosion-proof protection film of flexible separation blue light has utilized TPU's characteristics that flexibility is good, impact resistance and shock attenuation ability are outstanding well, simultaneously, has improved TPU's the wear resistance of preventing scraping through coating H/C sclerosis layer, and the reticulation pressure sensitive adhesive possesses good air discharge, and the laminating nature prevents that blue light PET rete can effectively separate the blue light, thereby the utility model discloses a reasonable structural design has concurrently and prevents scraping characteristics such as wear resistance, explosion-proof effect, exhaust performance are good and feel soft, separation blue light.

Preferably, the reticulated pressure-sensitive adhesive layer is an acrylic adhesive layer or a silica gel layer, and the thickness of the reticulated pressure-sensitive adhesive layer is 20-60 micrometers.

Preferably, the upper surface of the reticulated pressure-sensitive adhesive layer is of a regular concave-convex surface structure.

Preferably, the raised structure is arranged on the upper surface of the reticulated pressure-sensitive adhesive layer, and the cross section of the raised structure is of a trapezoidal structure or a semicircular structure.

Preferably, the molecular weight of the TPU oligomer of the first TPU film layer is 5000-.

Preferably, the molecular weight of the TPU oligomer of the second TPU film layer is 20000-30000 and the thickness is 35-60 μm.

Preferably, the thickness of the H/C hardened layer is 2-5 microns.

Preferably, the release layer is a PET film, and the thickness of the release layer is 38 to 55 micrometers.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.

Description of the drawings:

the drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:

fig. 1 is a schematic structural diagram of the present invention.

The specific implementation mode is as follows:

the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

The following refers to fig. 1.

The utility model relates to an explosion-proof protection film of TPU of flexible separation blue light, include protective layer 1, use layer 2 and release layer 3 that laminate in proper order from last to bottom, protective layer 1 includes PET rete 11 and silica gel layer 12 that laminate in proper order from last to bottom, use layer 2 includes H/C sclerosis layer 21, blue light prevention PET rete 22, first high OCA glue film 23, first TPU rete 24, second high OCA glue film 25, second TPU rete 26 and reticulation pressure sensitive adhesive layer 27 that laminate in proper order from last to bottom, the thickness of H/C sclerosis layer is 2-5 microns, the TPU oligomer molecular weight of first TPU rete is 5000-8000, and thickness is 30-70 microns, the TPU oligomer molecular weight of second TPU rete 20000-30000, and thickness is 35-60 microns, reticulation pressure sensitive adhesive layer is acrylic acid glue film or silica gel layer, the thickness is 20-60 microns, and reticulation pressure sensitive adhesive layer upper surface is regular concave-convex surface structure, and reticulation pressure sensitive adhesive layer upper surface is provided with protruding structure (not shown in the figure), protruding structure cross section is trapezium structure or semicircle type structure (not shown in the figure), from type layer 3 for the PET membrane, the thickness is 38-55 microns.

The utility model compounds nine layers of structures to form an integral membrane, has reasonable design structure, effectively protects the use layer 2 from being scratched or damaged by external force before use through the protective layer 1 and the release layer 3 before use, and ensures the product quality; when in pasting, the release layer 3 is peeled off, the reticulate pressure-sensitive adhesive layer 27 of the layer 2 can be smoothly adsorbed on the surface of an object to be pasted without air bubbles, and the air-release property is good, the pasting degree is high, and no residual adhesive exists; during the use, the H/C sclerosis layer 21 in the use layer 2 can improve the scratch resistance and the antifriction performance of protection film, and bearing capacity, shock resistance and the shock attenuation performance on TPU layer are outstanding, and when suffering explosion or great impact, multilayer TPU has splendid cushioning effect and explosion-proof effect, safe and reliable, prevents blue light PET rete 22, has the effect of separation blue light.

To sum up, the utility model discloses an explosion-proof protection film of TPU of flexible separation blue light has utilized TPU's characteristics that flexibility is good, impact resistance and shock attenuation ability are outstanding well, simultaneously, has improved TPU's the wear resistance of preventing scraping through coating H/C sclerosis layer, and the reticulation pressure sensitive adhesive possesses good air discharge, and the laminating nature prevents that blue light PET rete can effectively separate the blue light, thereby the utility model discloses a reasonable structural design has concurrently and prevents scraping characteristics such as wear resistance, explosion-proof effect, exhaust performance are good and feel soft, separation blue light.

The utility model provides an explosion-proof protection film of TPU of flexible separation blue light only does the utility model discloses a specific embodiment, nevertheless the utility model discloses a protection scope is not limited to this, and any technical staff familiar with this technical field is in the utility model discloses a technical scope is disclosed, can think easily that changes or replacement, all should cover within the protection scope. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a TPU explosion-proof protection film of flexible separation blue light, includes protective layer (1), use layer (2) and from type layer (3) of laminating in proper order from last to lower, its characterized in that: protective layer (1) includes PET rete (11) and silica gel layer (12) that laminate in proper order from last to lower, use layer (2) including according to from last to lower order laminated H/C sclerosis layer (21) in proper order, prevent blue light PET rete (22), first high OCA glue film (23), first TPU rete (24), the second high OCA glue film (25), second TPU rete (26) and reticulation pressure sensitive adhesive layer (27) of passing through.

2. The flexible blue light blocking TPU explosion-proof protective film according to claim 1, characterized in that: the reticulate pattern pressure-sensitive adhesive layer (27) is an acrylic adhesive layer or a silica gel layer, and the thickness of the reticulate pattern pressure-sensitive adhesive layer is 20-60 micrometers.

3. The flexible blue light blocking TPU explosion-proof protective film according to claim 1 or 2, characterized in that: the upper surface of the reticulate pattern pressure sensitive adhesive layer (27) is of a regular concave-convex surface structure.

4. The flexible blue light blocking TPU explosion-proof protective film according to claim 3, wherein: the upper surface of the reticulate pattern pressure sensitive adhesive layer (27) is provided with a raised structure, and the cross section of the raised structure is of a trapezoidal structure or a semicircular structure.

5. The flexible blue light blocking TPU explosion-proof protective film according to claim 1, characterized in that:

the using layer (2) is formed by tightly attaching a blue-light-proof PET film layer (22), a second TPU film layer (26), a first TPU film layer (24) and a reticulated pressure sensitive adhesive layer (27), and the peeling force between the layers is more than 1500gf/25 mm.

6. The flexible blue light blocking TPU explosion-proof protective film according to claim 1, characterized in that: the oligomer of the first TPU film layer (24) has a molecular weight of 5000-.

7. The flexible blue light blocking TPU explosion-proof protective film according to claim 1, characterized in that: the oligomer of the second TPU film layer (26) has a molecular weight of 20000-30000 and a thickness of 35-60 microns.

8. The flexible blue light blocking TPU explosion-proof protective film according to claim 1, characterized in that: the thickness of the H/C hardened layer (21) is 2-5 microns.

9. The flexible blue light blocking TPU explosion-proof protective film according to claim 1, characterized in that: the release layer (3) is a PET film, and the thickness is 38-55 microns.