UV photocuring protective film
By designing a smooth, self-healing, bulletproof, and explosion-proof layer on the UV-cured protective film, the problems of rough surface and easy cracking are solved, achieving permanent smoothness and explosion-proof and bulletproof effects.
Patent Information
- Application Number
- CN202423098526.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-16
AI Technical Summary
Existing UV-cured protective films tend to become rough on the surface during use, affecting the user experience, and are prone to cracking when subjected to impact.
A UV-curable protective film containing a smooth, self-healing, bulletproof, and explosion-proof layer was designed. The smooth, self-healing layer is composed of a polyurethane coating, and the bulletproof and explosion-proof layer contains a non-Newtonian fluid that can self-heal when worn and harden when impacted to prevent cracking.
It achieves a permanent smooth surface and explosion-proof and bulletproof performance, avoiding damage caused by wear and impact, and improving the user experience.
Smart Images

Figure CN223576399U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to UV light solidification protection film technical field, specifically relates to a kind of 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 paint or adhesive, makes film layer change from liquid to solid, protection film has been widely applied to mobile phone and notebook computer and other electronic products, UV light solidification protection film has high hardness, even if falling, can play the role of buffering 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 the role of protection, but there are the following defects: the existing UV light solidification protection film pasting object surface uses, its film surface is abraded and not smooth by long-time touch, leading to the decline of its control experience, meanwhile, UV light solidification protection film is prone to burst when subjected to high impact force in use, for this purpose, a kind of UV light solidification protection film is proposed. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of UV light solidification protection film to solve the problem that UV light solidification protection film is prone to burst when subjected to impact in use as described in the above background.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of UV light solidification protection film, including light solidification layer, the bottom of the light solidification layer is provided with substrate layer, 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.
[0006] Preferably, 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 the smooth self-repairing layer.
[0007] Preferably, the thickness of the smooth self-repairing layer is 15 μm, and the thickness of the bulletproof blast-proof layer is 25 μm.
[0008] Preferably, the smooth self-repairing layer adopts polyurethane coating.
[0009] Preferably, the bulletproof blast-proof layer contains non-Newtonian fluid. Preferably, the lower surface of the substrate layer is provided with OCA glue, and the thickness of the OCA glue is 15 μm-30 μm.
[0010] Preferably, the lower surface of the OCA glue is adhered with a release film, and the thickness of the release film is 25-150 microns.
[0011] Preferably, the thickness of the light-cured layer is 30-500 microns, and the thickness of the silica gel protective film is 25-125 microns.
[0012] Preferably, the substrate layer is PET, PC, TAC or PMMA, and the thickness of the substrate layer is 25-150 microns.
[0013] Compared with the prior art, the utility model has the beneficial effects that:
[0014] The smooth self-repairing bulletproof and explosion-proof layer is arranged on the upper surface of the light-cured layer, the smooth self-repairing layer is arranged on the surface, the smooth self-repairing bulletproof and explosion-proof layer has the self-repairing effect, and 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, and the control experience is affected, meanwhile, the bulletproof and explosion-proof layer contains non-Newtonian fluid, the non-Newtonian fluid becomes hard when being subjected to strong pressure or impact, and the utility model has the bulletproof and explosion-proof effect, and damage caused by severe impact is avoided. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 It is a structural schematic view of the utility model;
[0016] Fig. 2 It is a structural schematic view of the smooth self-repairing bulletproof and explosion-proof layer of the utility model;
[0017] In the drawing: 1, release film; 2, OCA glue; 3, substrate layer; 4, light-cured 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
[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0019] Please refer to Figs. 1-2The utility model provides a technical scheme: a UV photocuring protective film, including photocuring layer 4, the bottom of photocuring layer 4 is provided with substrate layer 3, 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 protective film 6, through the smooth self -repairing bulletproof blast -resistant layer 5 of design, 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 its surface water contact angle is 110-120 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 not smooth when being abraded, so that the surface of the utility model can realize permanent smoothness, avoid the influence of the traditional film surface after using a period of time not smooth and 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, which can be methyl cellulose, xanthan gum, hydroxypropyl methyl cellulose, the non-Newtonian fluid is a special fluid, and its characteristic is that it will show 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 bulletproof blast -resistant effect, avoids damaging by violent impact, the smooth self -repairing bulletproof blast -resistant layer 5 is composed of smooth self -repairing layer 7 and bulletproof blast -resistant layer 8, and the bulletproof blast -resistant layer 8 is at the bottom layer of smooth self -repairing layer 7, the thickness of smooth self -repairing layer 7 is 15mu, and the thickness of bulletproof blast -resistant layer 8 is 25mu.
[0020] In the embodiment, preferably, the lower surface of the substrate layer 3 is provided with the OCA adhesive 2, the thickness of the OCA adhesive 2 is 15-30 mu, the lower surface of the OCA adhesive 2 is adhered with the release film 1, the release film 1 is adhered to the lower surface of the OCA adhesive, the OCA adhesive is protected, and the use is affected by the impurities adhered to the OCA adhesive, the thickness of the release film 1 is 25-150 mu, the thickness of the photocuring layer 4 is 30-500 mu, the thickness of the silica gel protective film 6 is 25-125 mu, the substrate layer 3 is PET, PC, TAC or PMMA, and the thickness of the substrate layer 3 is 25-150 mu.
[0021] The working principle and use process of the utility model: the utility model sets up the slick self-repairing bulletproof and explosion-proof layer 5 which is composed of slick self-repairing layer 7 and bulletproof and explosion-proof layer 8 and whose thickness is 40 μm on the upper surface of the photocuring layer 4, the slick self-repairing layer 7 is set on the surface, has the self-repairing effect, and then repairs in time when being worn and not slick, so that the utility model surface can realize permanent slick, avoids the surface not being smooth after the traditional film surface is used for a period of time and influences the control experience, and the bulletproof and explosion-proof layer 8 contains non-Newtonian fluid, and its characteristics are that different fluidity will be shown when being subjected to external force, the non-Newtonian fluid will become hard when being subjected to strong pressure or impact, so that the utility model has the bulletproof and explosion-proof effect, avoids being damaged by violent impact, and when being pasted and used, the lower release film 1 can be torn off and adhered to the object surface and used through OCA glue.
[0022] 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 modifications can be made to these 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 UV-curable protective film, comprising a UV-curable layer (4), wherein a substrate layer (3) is disposed at the bottom of the UV-curable layer (4), characterized in that: The upper surface of the photocurable layer (4) is provided with a smooth, self-healing, bulletproof and explosion-proof layer (5), and the upper surface of the smooth, self-healing, bulletproof and explosion-proof layer (5) is provided with a silicone protective film (6).
2. The UV-curable protective film according to claim 1, characterized in that: 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), with the bulletproof and explosion-proof layer (8) located at the bottom of the smooth self-healing layer (7).
3. The UV-curable protective film according to claim 2, 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.
4. The UV-curable protective film according to claim 1, characterized in that: The lower surface of the substrate layer (3) is provided with OCA adhesive (2), and the thickness of the OCA adhesive (2) is 15μm-30μm.
5. The UV-curable protective film according to claim 4, 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.
6. The 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.
7. The UV-curable protective film according to claim 1, characterized in that: The substrate layer (3) is made of PET, PC, TAC or PMMA, and the thickness of the substrate layer (3) is 25μm-150μm.
8. The UV-curable protective film according to claim 2, characterized in that: The bulletproof and explosion-proof layer (8) contains a non-Newtonian fluid.