Novel high-temperature protective film

Abstract

The utility model discloses a novel high-temperature protective film which is formed by sequentially laminating a high-temperature resistant layer, a framework layer and a base material layer, the framework layer is of a net structure and is arranged between the high-temperature resistant layer and the base material layer, glue is filled between the high-temperature resistant layer and the base material layer, and a plurality of permeation grooves for the glue to permeate are formed in the top surface and the bottom surface of the framework layer. A plurality of permeation holes for glue to permeate are formed in the middle of the framework layer. The framework layer is additionally arranged between the high-temperature-resistant layer and the base material layer and fixed and bonded through glue, the overall strength of the protective film is effectively enhanced, the phenomena of edge curling, bulging, shrinkage and the like of the protective film are reduced, the friction force of the surface of the protective film can be increased through the framework layer, friction between an electronic product and the hand of a client is increased, and the service life of the electronic product is prolonged. And the electronic product is prevented from slipping off.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of protective film, especially a novel high-temperature protective film. BACKGROUND

[0002] The back of electronic products such as tablet computers, mobile phones and the like is usually a smooth surface, and some users choose not to wear protective sleeves for the purpose of use and then use back film to attach to prevent scratches on the smooth surface.

[0003] Electronic products generate heat during use, and the back film on the market will have edge curling, drumming, shrinkage and the like after long-term use, and users need to replace the back film regularly, which has poor durability. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a novel high-temperature protective film to solve the above problems.

[0005] According to one aspect of the utility model, a novel high-temperature protective film is provided, which is formed by sequentially stacking a high-temperature-resistant layer, a framework layer and a substrate layer, the framework layer is arranged in a net-like structure between the high-temperature-resistant layer and the substrate layer, glue is filled between the high-temperature-resistant layer and the substrate layer, the top surface and the bottom surface of the framework layer are both provided with multiple infiltration grooves for the glue to infiltrate, and multiple infiltration holes for the glue to infiltrate are arranged in the middle part of the framework layer.

[0006] In some embodiments, the framework layer includes multiple transversely arranged transverse frameworks and multiple longitudinally arranged longitudinal frameworks, the multiple transverse frameworks and the multiple longitudinal frameworks are integrally formed, and the infiltration grooves are arranged on the top surface and the bottom surface of the transverse frameworks and the top surface and the bottom surface of the longitudinal frameworks, respectively.

[0007] In some embodiments, the material of the high-temperature-resistant layer and the substrate layer is polyester, polytetrafluoroethylene or polypropylene.

[0008] In some embodiments, the framework layer is transparent PET material.

[0009] In some embodiments, the thickness of the high-temperature-resistant layer is 0.012mm-0.25mm, and the thickness of the substrate layer is 0.012mm-0.25mm.

[0010] In some embodiments, the glue is oil glue.

[0011] In some embodiments, the thickness of the framework layer is 0.04mm±0.003mm.

[0012] In some embodiments, a plurality of the infiltration grooves are longitudinally arranged on the horizontal skeleton; a plurality of the infiltration grooves are transversely arranged on the longitudinal skeleton; a plurality of the infiltration holes are longitudinally arranged on the horizontal skeleton; and a plurality of the infiltration holes are transversely arranged on the longitudinal skeleton.

[0013] In some embodiments, the infiltration grooves are semicircular groove structures.

[0014] Compared with the prior art, the application has the following beneficial effects:

[0015] The application effectively enhances the overall strength of the protective film by adding a skeleton layer between the high-temperature-resistant layer and the substrate layer and fixing and bonding by glue, reduces the occurrence of curling, drumming, shrinkage and the like, and the skeleton layer can increase the friction of the surface of the protective film, increase the friction between the electronic product and the customer's hand, and prevent the electronic product from slipping and falling. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 FIG. 1 is a schematic diagram of the cross-sectional structure of the application;

[0017] Fig. 2 FIG. 3 is a schematic diagram of the three-dimensional structure of the skeleton layer of the application;

[0018] Fig. 3 FIG. 4 is a structural diagram of the skeleton layer of the application. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the application.

[0020] Reference Figs. 1 to 3 The application provides a novel high-temperature protective film, which is sequentially laminated by a high-temperature-resistant layer 1, a skeleton layer 2 and a substrate layer 3. The skeleton layer 2 is arranged in a net-like structure between the high-temperature-resistant layer 1 and the substrate layer 3. The high-temperature-resistant layer 1 and the substrate layer 3 are filled with glue 4. The top surface and the bottom surface of the skeleton layer 2 are both provided with a plurality of infiltration grooves 5 for the glue 4 to infiltrate. The middle part of the skeleton layer 2 is provided with a plurality of infiltration holes 6 for the glue 4 to infiltrate.

[0021] In some embodiments, the skeleton layer 2 comprises a plurality of transverse skeletons 7 arranged in transverse direction and a plurality of longitudinal skeletons 8 arranged in longitudinal direction, the plurality of transverse skeletons 7 and the plurality of longitudinal skeletons 8 are integrally formed, and the infiltration grooves 5 are arranged on the top surface and bottom surface of the transverse skeletons 7 and the top surface and bottom surface of the longitudinal skeletons 8, respectively.

[0022] In some embodiments, the material of the high-temperature-resistant layer 1 and the substrate layer 3 is polyester, polytetrafluoroethylene or polypropylene, which has excellent high-temperature resistance, corrosion resistance, moisture resistance and other properties.

[0023] In some embodiments, the skeleton layer 2 is transparent PET material, which is more beautiful, and the PET material can withstand zero minus 70 degrees Celsius low temperature, and has little effect on its mechanical properties at high and low temperatures.

[0024] In some embodiments, the thickness of the high-temperature-resistant layer 1 is 0.012mm-0.25mm; and the thickness of the substrate layer 3 is 0.012mm-0.25mm.

[0025] In some embodiments, the glue 4 is oil glue.

[0026] In some embodiments, the thickness of the skeleton layer 2 is 0.04mm±0.003mm.

[0027] In some embodiments, a plurality of the infiltration grooves 5 are arranged longitudinally through the transverse skeletons 7; a plurality of the infiltration grooves 5 are arranged transversely through the longitudinal skeletons 8; a plurality of the infiltration holes 6 are arranged longitudinally through the transverse skeletons 7; and a plurality of the infiltration holes 6 are arranged transversely through the longitudinal skeletons 8.

[0028] In some embodiments, the infiltration grooves 5 are in the form of semicircular grooves.

[0029] In the processing of the protective film of the present application, the glue 4 is bonded between the high-temperature-resistant layer 1, the skeleton layer 2 and the substrate layer 3, and infiltrates into a plurality of the infiltration grooves 5 and a plurality of the infiltration holes 6 in the skeleton layer 2, further enhancing the overall height.

[0030] The edges of the high-temperature-resistant layer 1 and the substrate layer 3 are edge-treated.

[0031] The present application effectively enhances the overall strength of the protective film by adding the skeleton layer 2 between the high-temperature-resistant layer 1 and the substrate layer 3 and fixing and bonding by the glue 4, reduces the occurrence of curling, bulging, shrinkage and other conditions, and the skeleton layer 2 can increase the friction of the surface of the protective film, increase the friction between the electronic product and the customer's hand, and prevent the electronic product from slipping and falling.

[0032] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A novel high temperature protective film characterized in that, The novel high-temperature protective film is formed by stacking a high-temperature resistant layer, a skeleton layer and a substrate layer in sequence, the skeleton layer is arranged in a net structure between the high-temperature resistant layer and the substrate layer, glue is filled between the high-temperature resistant layer and the substrate layer, the top surface and the bottom surface of the skeleton layer are provided with multiple penetration grooves for the glue to penetrate, and the middle part of the skeleton layer is provided with multiple penetration holes for the glue to penetrate.

2. The novel high temperature protective film according to claim 1, characterized in that, The skeleton layer comprises multiple transverse skeletons arranged in a transverse direction and multiple longitudinal skeletons arranged in a longitudinal direction, the multiple transverse skeletons and the multiple longitudinal skeletons are integrally formed, and the penetration grooves are arranged on the top surface and the bottom surface of the transverse skeletons and the top surface and the bottom surface of the longitudinal skeletons.

3. The novel high temperature protective film according to claim 1, characterized in that, The material of the high-temperature resistant layer and the substrate layer is polyester, polytetrafluoroethylene or polypropylene.

4. The novel high temperature protective film according to claim 1, characterized in that, The skeleton layer is transparent PET material.

5. The novel high temperature protective film according to claim 3, characterized in that, The thickness of the high-temperature resistant layer is 0.012mm-0.25mm, and the thickness of the substrate layer is 0.012mm-0.25mm.

6. The novel high temperature protective film according to claim 1, characterized in that, The glue is oil glue.

7. The novel high temperature protective film according to claim 4, characterized in that, The thickness of the skeleton layer is 0.04mm±0.003mm.

8. The novel high temperature protective film according to claim 2, characterized in that, The multiple penetration grooves are arranged in a longitudinal direction on the transverse skeletons, the multiple penetration grooves are arranged in a transverse direction on the longitudinal skeletons, the multiple penetration holes are arranged in a longitudinal direction on the transverse skeletons, and the multiple penetration holes are arranged in a transverse direction on the longitudinal skeletons.

9. The novel high temperature protective film according to claim 8, characterized in that, The penetration grooves are in a semicircular groove structure.

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