CN212293400U - Mobile phone TP (touch pad) back adhesive - Google Patents

Abstract

The utility model discloses a cell-phone TP gum, belong to the gum field, the surface of gum body is provided with from the type membrane, the inside of gum body is including the basic unit, the both sides of basic unit all are provided with antistatic backing, one side of antistatic backing sets up the waterproof layer, one side of waterproof layer is provided with the anticorrosive coating, clearance between bellying and the bellying deuterogamies the concave part and can form exhaust passage when the gum is pasted, no bubble remains, it can effectually prevent static to be provided with antistatic backing simultaneously, protect the inside electronic components of cell-phone not receive the damage, be provided with the waterproof layer, can play the effect of isolated moisture, and still be provided with the anticorrosive coating, can prevent oxidation and corruption.

Description

Mobile phone TP (touch pad) back adhesive

Technical Field

The utility model relates to a gum technical field specifically is a cell-phone TP gum.

Background

The TP gum plays the effect of pasting TP apron and cell-phone shell, and the traditional technology of TP gum production is for upper and lower cover towards one shot forming, and the product only can go out the finished product with die-cut once promptly.

The existing gum is attached, the condition that bubbles are generated due to the fact that middle air is not discharged in time often occurs, the bubbles are not easy to discharge easily in the gum layer, the appearance uniformity is influenced, meanwhile, the performance of the existing gum in the aspects of static electricity prevention, electromagnetic shielding and corrosion resistance is poor, the viscosity of the gum layer is not enough, and after the gum layer is used for a period of time, the phenomenon of edge warping is easy to occur.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cell-phone TP gum to propose the glue film and remain the bubble easily in solving above-mentioned background art, the poor and not enough problem of viscidity of performance.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cell-phone TP gum, includes the gum body, the surface of gum body is provided with from the type membrane, the inside of gum body is including the basic unit, the both sides of basic unit all are provided with antistatic backing, one side of antistatic backing sets up the waterproof layer, one side of waterproof layer is provided with the anticorrosive coating, one side of anticorrosive coating is provided with hot melt pressure sensitive adhesive layer, one side of hot melt pressure sensitive adhesive layer is provided with bellying and concave part respectively, hot melt pressure sensitive adhesive layer's inside is including resin adhesive layer, the top and the bottom on resin adhesive layer are provided with first resin layer and second resin layer respectively.

Preferably, the first resin layer is made of epoxy resin, and the second resin layer is made of methyl silicone resin.

Preferably, the anticorrosive coating is made of yttrium rare earth micro powder, composite alpha-ceramic micro powder and silicon carbide.

Preferably, one side of the release film is provided with a tearing sheet.

Preferably, the protruding portions and the groove portions are provided with multiple groups, and the multiple groups of protruding portions and the multiple groups of groove portions are arc-shaped.

Compared with the prior art, the beneficial effects of the utility model are that: the mobile phone TP back glue is provided with a convex part and a groove part, the clearance between the convex part and the convex part is matched with the groove part again, an exhaust channel can be formed when the back glue is pasted, no bubble is left, meanwhile, the antistatic layer can effectively prevent static electricity and protect electronic components in the mobile phone from being damaged, the waterproof layer can play a role in isolating moisture, and an anti-corrosion layer is arranged to prevent oxidation and corrosion, and the back adhesive is combined by a first resin layer, a resin adhesive layer and a second resin layer through a hot melt pressure sensitive adhesive layer, the traditional hot melt pressure sensitive adhesive layer has stronger adhesive property, simultaneously additionally has the capability of resisting ultraviolet rays and infrared rays, and has excellent electrical property, thereby make the bonding effect reinforcing of gum, take off the piece through being provided with, be convenient for take off from the type membrane for the operation is more convenient.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the gum body of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure of the hot-melt pressure-sensitive adhesive layer of the present invention;

fig. 4 is a schematic diagram of a partially enlarged structure of the present invention a.

In the figure: 1. a gum body; 2. a release film; 3. uncovering the sheet; 4. a boss portion; 5. a groove part; 6. a base layer; 7. an antistatic layer; 8. a waterproof layer; 9. an anticorrosive layer; 10. hot melting the pressure sensitive adhesive layer; 11. a resin adhesive layer; 12. a first resin layer; 13. a second resin layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," "fixed," "sleeved," and the like are to be construed broadly, e.g., as either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; the two elements may be connected directly or indirectly through an intermediate medium, and the two elements may be connected internally or in an interaction relationship, and a person skilled in the art can understand the specific meaning of the above terms in the present invention according to specific situations.

Referring to fig. 1-4, the present invention provides a technical solution: a mobile phone TP back glue comprises a back glue body 1, a release film 2, a uncovering sheet 3, a protruding portion 4, a groove portion 5, a base layer 6, an antistatic layer 7, a waterproof layer 8, an anticorrosive layer 9, a hot-melt pressure-sensitive adhesive layer 10, a resin adhesive layer 11, a first resin layer 12 and a second resin layer 13, wherein the release film 2 is arranged on the outer surface of the back glue body 1 to play a role of protection, the base layer 6 is arranged inside the back glue body 1, the antistatic layer 7 is arranged on both sides of the base layer 6 to play an antistatic role, the waterproof layer 8 is arranged on one side of the antistatic layer 7 to play a role of waterproof, the anticorrosive layer 9 is arranged on one side of the waterproof layer 8, the hot-melt pressure-sensitive adhesive layer 10 is arranged on one side of the anticorrosive layer 9, the protruding portion 4 and the groove portion 5 are respectively arranged on one side of the hot-melt pressure-sensitive adhesive layer 10, the resin adhesive layer 11 is arranged inside the hot-melt pressure-sensitive adhesive layer 10, the, the viscosity of the back adhesive is enhanced.

Referring to fig. 2-3, the first resin layer 12 is made of epoxy resin, the second resin layer 13 is made of methyl silicone resin, the adhesion of the back adhesive is enhanced, and the anti-corrosion layer 9 is made of yttrium rare earth micro powder, composite alpha-ceramic micro powder and silicon carbide, so that the anti-corrosion and anti-oxidation performance of the back adhesive is improved

Referring to fig. 1, 2 and 4, a tearing strip 3 is disposed on one side of the release film 2 for facilitating tearing of the release film 2, and the operation is more convenient, and a plurality of sets of protrusions 4 and grooves 5 are disposed, and the plurality of sets of protrusions 4 and grooves 5 are arc-shaped, thereby performing an air exhaust function.

The working principle is as follows: firstly, the worker firstly checks whether the back adhesive is intact or not, if the back adhesive is damaged, the back adhesive is timely replaced, then the worker removes the release film 2, the back adhesive body 1 is well attached, the gap between the protruding part 4 and the protruding part 4 is matched with the groove part 5, an exhaust channel can be formed when the back adhesive is attached, no air bubbles are left, meanwhile, the antistatic layer 7 can effectively prevent static electricity and protect electronic components in the mobile phone from being damaged, the waterproof layer 8 can isolate moisture, and is also provided with an anticorrosive layer 9 capable of preventing oxidation and corrosion, and simultaneously the back adhesive is combined by a first resin layer 12, a resin adhesive layer 11 and a second resin layer 13 through a hot melt pressure sensitive adhesive layer 10, the conventional hot melt pressure sensitive adhesive layer 10 has stronger adhesiveness, and additionally has ultraviolet and infrared ray resistance and excellent electrical properties.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a cell-phone TP gum, includes gum body (1), its characterized in that: the surface of gum body (1) is provided with from type membrane (2), the inside of gum body (1) is including basic unit (6), the both sides of basic unit (6) all are provided with antistatic backing (7), one side of antistatic backing (7) sets up waterproof layer (8), one side of waterproof layer (8) is provided with anticorrosive coating (9), one side of anticorrosive coating (9) is provided with hot melt pressure sensitive adhesive layer (10), one side of hot melt pressure sensitive adhesive layer (10) is provided with bellying (4) and concave part (5) respectively, the inside of hot melt pressure sensitive adhesive layer (10) is including resin adhesive layer (11), the top and the bottom of resin adhesive layer (11) are provided with first resin layer (12) and second resin layer (13) respectively.

2. The mobile phone TP back glue of claim 1, wherein: the first resin layer (12) is made of epoxy resin, and the second resin layer (13) is made of methyl silicone resin.

3. The mobile phone TP back glue of claim 1, wherein: and a tearing piece (3) is arranged on one side of the release film (2).

4. The mobile phone TP back glue of claim 1, wherein: the convex portions (4) and the groove portions (5) are provided with a plurality of groups, and the convex portions (4) and the groove portions (5) are all arc-shaped.

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