Flexible substrate UV (ultraviolet) photocuring protective film

Abstract

The utility model discloses a flexible base material UV (ultraviolet) photocuring protective film which comprises a photocuring layer, a flexible base material layer is arranged at the bottom of the photocuring layer, a polyimide or polyester film is adopted as the flexible base material layer, the thickness of the flexible base material layer is 30 microns, and the thickness of the flexible base material layer is 10 microns. The smooth self-repairing bulletproof and explosion-proof layer which is composed of the smooth self-repairing layer and the bulletproof and explosion-proof layer and has the thickness of 40 microns is arranged on the upper surface of the light curing layer, and the smooth self-repairing layer is arranged on the surface, so that the surface of the light curing layer can be permanently smooth; the situation that the surface of a traditional film is not smooth after the traditional film is used for a period of time, and operation experience is affected is avoided, meanwhile, the bulletproof and explosion-proof layer contains non-Newtonian fluid, the bulletproof and explosion-proof layer shows different flowability under the action of external force, and the non-Newtonian fluid becomes hard under strong pressure or impact, so that the bulletproof and explosion-proof film has the explosion-proof and bulletproof effects, and the service life is prolonged. In addition, the flexible substrate layer with the thickness of 30 microns is adopted, so that the flexible touch screen has higher flexibility and deformation capability, and can be applied to wearable equipment, folding screen mobile phones and bendable screens.

Description

TECHNICAL FIELD

[0001] The utility model belongs to UV light solidification protection film technical field, concretely relates to a kind of flexible substrate UV light solidification protection film. BACKGROUND

[0002] UV light solidification protection film is a kind of special protection film using UV light solidification technology, it is mainly cured by ultraviolet irradiation to make the film layer change from liquid to solid, protection film has been widely used in mobile phone and notebook computer and other electronic products, UV light solidification protection film has high hardness, even if falling, it can play a buffering role to a certain extent.

[0003] The existing UV light solidification protection film is pasted on the screen and back cover of mobile phone and other electronic products to play a protective role, but there are the following defects: the existing UV light solidification protection film is pasted on the surface of object, the film surface is abraded and not smooth after long time touch, which leads to the decline of control experience, and the UV light solidification protection film is prone to burst when subjected to high impact force during use, in addition, the existing UV light solidification protection film is usually made of hard substrate, and does not have good flexibility and deformation ability, so it cannot be widely used in wearable devices, foldable screen mobile phones and bendable screens, therefore, we propose a flexible substrate UV light solidification protection film. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of flexible substrate UV light solidification protection film to solve the problem that UV light solidification protection film is prone to become not smooth on surface and affect control experience, and burst easily when subjected to impact during use, and does not have good flexibility and deformation ability.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of flexible substrate UV light solidification protection film, including light solidification layer, the bottom of the light solidification layer is provided with flexible substrate layer, the flexible substrate layer is made of polyimide or polyester film, the thickness of the flexible substrate layer is 30 μm, the upper surface of the light solidification layer is provided with smooth self-repairing bulletproof blast-proof layer, the upper surface of the smooth self-repairing bulletproof blast-proof layer is provided with silica gel protection film, the smooth self-repairing bulletproof blast-proof layer is composed of smooth self-repairing layer and bulletproof blast-proof layer, and the bulletproof blast-proof layer is at the bottom layer of smooth self-repairing layer.

[0006] Preferably, the thickness of the smooth self-repairing layer is 15 μm, and the thickness of the bulletproof blast-proof layer is 25 μm.

[0007] Preferably, the bulletproof blast-proof layer is provided with texture.

[0008] Preferably, the light solid layer is colored light solidification layer or colored light solidification layer.

[0009] Preferably, the thickness of the smooth self-repairing layer is 15 μm, and the thickness of the bulletproof and explosion-proof layer is 25 μm.

[0010] Preferably, the smooth self-repairing layer adopts a polyurethane coating.

[0011] Preferably, the bulletproof and explosion-proof layer contains a non-Newtonian fluid.

[0012] Preferably, the lower surface of the flexible substrate layer is provided with OCA glue, and the thickness of the OCA glue is 15 μm-30 μm.

[0013] Preferably, the lower surface of the OCA glue is adhered with a release film, and the thickness of the release film is 25 μm-150 μm.

[0014] Preferably, the thickness of the light curing layer is 30 μm-500 μm, and the thickness of the silica gel protective film is 25 μm-125 μm.

[0015] Compared with the prior art, the utility model has the beneficial effects that: the smooth self-repairing bulletproof and explosion-proof layer with a thickness of 40 μm, which is composed of a smooth self-repairing layer and a bulletproof and explosion-proof layer, is arranged on the upper surface of the light curing layer of the utility model, the smooth self-repairing layer is arranged on the surface, so that the surface of the utility model can realize permanent smoothness, the surface of the traditional film is not smooth after being used for a period of time, thereby affecting the control experience, meanwhile, the bulletproof and explosion-proof layer contains a non-Newtonian fluid, which has different fluidity when being subjected to external force, when being subjected to strong pressure or impact, the non-Newtonian fluid becomes hard, so that the utility model has the bulletproof and explosion-proof effect, and damage caused by severe impact is avoided, in addition, the flexible substrate layer with a thickness of 30 μm is adopted in the utility model, so that the utility model has higher flexibility and deformation capacity, and can be applied to wearable devices, folding screen mobile phones and bendable screens. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structural schematic view of the utility model;

[0017] Fig. 2 It is a structural schematic view of the smooth self-repairing bulletproof and explosion-proof layer of the utility model;

[0018] In the drawing: 1, release film; 2, OCA glue; 3, flexible substrate layer; 4, light curing layer; 5, smooth self-repairing bulletproof and explosion-proof layer; 6, silica gel protective film; 7, smooth self-repairing layer; 8, bulletproof and explosion-proof layer. DETAILED DESCRIPTION

[0019] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] Embodiment 1

[0021] Please refer to Figs. 1-2 The utility model provides a technical scheme: a flexible base material UV photocuring protection film, including photocuring layer 4, the bottom of photocuring layer 4 is provided with flexible base material layer 3, the flexible base material layer 3 adopts polyimide or polyester film, the thickness of flexible base material layer 3 is 30mu, the upper surface of photocuring layer 4 is provided with smooth self -repairing bulletproof blast -resistant layer 5, the upper surface of smooth self -repairing bulletproof blast -resistant layer 5 is provided with silica gel protection film 6, through the design of smooth self -repairing bulletproof blast -resistant layer 5, the thickness of the smooth self -repairing bulletproof blast -resistant layer 5 that will be composed of smooth self -repairing layer 7 and bulletproof blast -resistant layer 8 is 40mu, is set on the upper surface of photocuring layer 4 of the utility model, smooth self -repairing layer 7 is polyurethane coating, and the surface water contact angle is 121-130 degrees, and the self -repairing effect is copper brush test second repair effect, and smooth self -repairing layer 7 is set on the surface, has self -repairing effect, and then timely repair when being worn and not smooth, make the surface of the utility model can realize permanent smooth, avoid the influence of the traditional film surface after using a period of time surface not smooth and affect the control experience, the bulletproof blast -resistant layer 8 of the utility model contains non-Newtonian fluid, the non-Newtonian fluid of this embodiment is high molecular polymer, can be methyl cellulose, xanthan gum, hydroxypropyl methyl cellulose, and the non-Newtonian fluid is a special fluid, and its characteristic is that different fluidity will be shown when being subjected to external force, when being subjected to strong pressure or impact, the non-Newtonian fluid becomes hard, thereby the utility model has bulletproof blast -resistant effect, avoids damaging by violent impact, and high smooth self -repairing bulletproof blast -resistant layer 5 is composed of smooth self -repairing layer 7 and bulletproof blast -resistant layer 8, and bulletproof blast -resistant layer 8 is at the bottom layer of smooth self -repairing layer 7, and the thickness of smooth self -repairing layer 7 is 15mu, and the thickness of bulletproof blast -resistant layer 8 is 25mu. The utility model adopts the flexible base material layer with the thickness of 30mu, has higher flexibility and deformation capacity, and can be applied to wearable equipment, folding screen mobile phone and bendable screen.

[0022] The bulletproof blast -resistant layer 8 is provided with a pattern, which can not only meet different customer needs, but also enhance the bonding force between layers.

[0023] The photocuring layer 4 is a colored photocuring layer, which can meet different customer needs.

[0024] In the embodiment, preferably, the lower surface of the flexible substrate layer 3 is provided with the OCA adhesive 2, the thickness of the OCA adhesive 2 is 15-30 μm, the lower surface of the OCA adhesive 2 is adhered with the release film 1, the release film 1 is designed to adhere to the lower surface of the OCA adhesive, to protect the OCA adhesive and avoid the OCA adhesive from being adhered with impurities and affecting subsequent use, the thickness of the release film 1 is 25-150 μm, the thickness of the photocured layer 4 is 30-500 μm, the thickness of the silica gel protective film 6 is 25-125 μm, the flexible substrate layer 3 is PET, PC, TAC or PMMA, and the thickness of the flexible substrate layer 3 is 25-150 μm.

[0025] The working principle and use process of the utility model are as follows: the utility model sets the slick self-repairing bulletproof and explosion-proof layer 5 with a thickness of 40 μm, which is composed of the slick self-repairing layer 7 and the bulletproof and explosion-proof layer 8, on the upper surface of the photocured layer 4, the slick self-repairing layer 7 is set on the surface and has a self-repairing effect, thereby repairing in time when the slick self-repairing layer 7 is not slick due to abrasion, so that the surface of the utility model can realize permanent slickness, avoiding the influence of the surface of the traditional film surface on the control experience after being used for a period of time, and the bulletproof and explosion-proof layer 8 contains non-Newtonian fluid, which has the characteristics of different fluidity when subjected to external force, and the non-Newtonian fluid becomes hard when subjected to strong pressure or impact, so that the utility model has the bulletproof and explosion-proof effect and avoids damage due to severe impact, and when being pasted and used, the lower release film 1 is torn off and adhered to the surface of an object by the OCA adhesive.

[0026] Embodiment 2

[0027] The difference between the embodiment and embodiment 1 is that, in order to further improve the effect of the utility model for wearable devices, foldable screen mobile phones and bendable screens, the thickness of the slick self-repairing layer 7 is adjusted to 16 μm in the embodiment, the thickness of the bulletproof and explosion-proof layer 8 is 23 μm, and the surface water contact angle of the slick self-repairing layer 7 is increased to 132 degrees.

[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A flexible substrate UV photocured protective film, comprising a photocured layer (4), the bottom of the photocured layer (4) is provided with a flexible substrate layer (3), characterized in that: The flexible substrate layer (3) is made of polyimide or polyester film, and the thickness of the flexible substrate layer (3) is 30 μm. The upper surface of the photocurable layer (4) is provided with a smooth self-healing bulletproof and explosion-proof layer (5). The upper surface of the smooth self-healing bulletproof and explosion-proof layer (5) is provided with a silicone protective film (6). The smooth self-healing bulletproof and explosion-proof layer (5) is composed of a smooth self-healing layer (7) and a bulletproof and explosion-proof layer (8), and the bulletproof and explosion-proof layer (8) is located at the bottom of the smooth self-healing layer (7).

2. The flexible substrate UV light-cured protective film according to claim 1, characterized in that: The thickness of the smooth self-healing layer (7) is 15 μm, and the thickness of the bulletproof and explosion-proof layer (8) is 25 μm.

3. The flexible substrate UV-curable protective film according to claim 1, characterized in that: The bulletproof and explosion-proof layer (8) is textured.

4. The flexible substrate UV-curable protective film according to claim 1, characterized in that: The light-curing layer is a colored light-curing layer.

5. The flexible substrate UV-curable protective film according to claim 1, characterized in that: The lower surface of the flexible substrate layer (3) is provided with OCA adhesive (2), and the thickness of the OCA adhesive (2) is 15μm-30μm.

6. The flexible substrate UV-curable protective film according to claim 5, characterized in that: The lower surface of the OCA adhesive (2) is bonded with a release film (1), the thickness of which is 25μm-150μm.

7. The flexible substrate UV-curable protective film according to claim 1, characterized in that: The thickness of the photocurable layer (4) is 30μm-500μm, and the thickness of the silicone protective film (6) is 25μm-125μm.

8. The flexible substrate UV-curable protective film according to claim 1, characterized in that: The bulletproof and explosion-proof layer (8) contains a non-Newtonian fluid.

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