CN216155782U

CN216155782U - Foam adhesive tape

Info

Publication number: CN216155782U
Application number: CN202122101236.2U
Authority: CN
Inventors: 施洋; 占春林
Original assignee: Shenzhen Hongdayuan Light Rubber Products Co ltd
Current assignee: Shenzhen Hongdayuan Light Rubber Products Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-04-01
Anticipated expiration: 2031-09-01

Abstract

The utility model provides a foam adhesive tape which comprises a foam layer, wherein the foam layer is provided with two layers, and the two layers of the foam layer are arranged oppositely; the bubble film layer is clamped between the two bubble cotton layers and is made of a waterproof material; the waterproof layer covers one side surface of one of the foam layers, which is far away from the foam film layer; and the viscose layer covers the other side surface of the foam layer, which deviates from the foam film layer. The technical scheme of this application can improve the waterproof performance of bubble cotton sticky tape.

Description

Foam adhesive tape

Technical Field

The utility model relates to the technical field of adhesive tapes, in particular to a foam adhesive tape.

Background

The foam adhesive tape is an adhesive tape which is formed by arranging adhesive layers on one surface or two surfaces of foam as a base material and has sealing and damping functions, is widely applied to electronic and electric products such as various small household appliances or mobile phone accessories and the like, and can ensure that the accessories are protected against shock for a long time. However, the existing foam adhesive tape has poor waterproof performance, and water can gradually permeate into foam until reaching the adhesive layer in a humid environment, so that the damping performance and the bonding strength of the foam adhesive tape are influenced.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a foam adhesive tape, aiming at improving the waterproof performance of the foam adhesive tape.

In order to achieve the above object, the present invention provides a foam tape, comprising:

the foam layer is provided with two layers which are arranged oppositely;

the bubble film layer is clamped between the two bubble cotton layers and is made of a waterproof material;

the waterproof layer covers one side surface of one of the foam layers, which is far away from the foam film layer; and

the viscose layer covers the other side surface of the foam layer, which deviates from the foam film layer.

Optionally, the material of the bubble film layer is a polyethylene material.

Optionally, the bubble film layer is a double-sided bubble film layer, and the surfaces of the two sides of the bubble film layer are provided with a plurality of bubble parts arranged at intervals.

Optionally, a heat insulation silica gel layer is arranged between the bubble film layer and the bubble cotton layer.

Optionally, the waterproof layer is made of butyl rubber.

Optionally, a metal elastic sheet with a net structure is embedded in the foam layer.

Optionally, the metal elastic sheet is made of aluminum or an aluminum alloy.

Optionally, the foam adhesive tape further comprises a PET substrate layer, and the PET substrate layer is clamped between the foam layer and the adhesive layer.

Optionally, the surface of one side of the viscose layer, which faces away from the foam layer, is provided with a release film.

Optionally, the structure formed by the two layers of the foam layer, the foam film layer, the waterproof layer and the adhesive layer is used as a tape main body, the release film is arranged in a long strip shape, the tape main body is provided with a plurality of cutting seams arranged at intervals along the length direction of the release film, and the cutting seams extend along the width direction of the release film to divide the tape main body into a plurality of sections.

According to the foam adhesive tape, the waterproof layer is arranged on one side, away from the adhesive layer, of the two foam layers, and the foam film layer made of the waterproof material is arranged between the two foam layers, so that the waterproof performance of the foam adhesive tape is improved, the water is effectively prevented from permeating into the foam layers, and the damping performance and the bonding strength of the foam adhesive tape are guaranteed. Simultaneously, the setting of bubble rete between the cotton layer of two-layer bubble can also effectively improve the damping performance of bubble cotton sticky tape, even if the two-layer bubble cotton layer of bubble cotton sticky tape all soaks, bubble cotton sticky tape still can keep better shock attenuation nature, and the guarantee accessory obtains long-term shock-proof protection.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic view of an embodiment of a foam tape of the present invention;

fig. 2 is an exploded view of the tape body in the foam tape of fig. 1.

The reference numbers illustrate:

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The present invention provides a foam tape 100.

Referring to fig. 2, in some embodiments of the foam tape 100 of the present invention, the foam tape 100 includes:

the foam layer 11 is provided with two layers, and the two layers of foam layers 11 are arranged oppositely;

the bubble film layer 12 is clamped between the two bubble cotton layers 11, and the bubble film layer 12 is made of a waterproof material;

the waterproof layer 13 covers one side surface of one of the foam layers 11, which is far away from the foam film layer 12; and

and the adhesive layer 14 covers the other side surface of the foam layer 11, which is far away from the bubble film layer 12.

Specifically, the foam tape 100 provided by the present application is applied to electronic and electrical products such as various small household appliances or mobile phone accessories, and can ensure that the accessories are protected from shock for a long time. The double-layer foam adhesive tape 100 comprises a double-layer foam layer 11 for providing shockproof protection and an adhesive layer 14 arranged on the surface of the two-layer foam layer 11, which is far away from the other foam layer 11, and the foam adhesive tape 100 can be fixed on an electronic device through the adhesive layer 14. The foam adhesive tape 100 also comprises a waterproof layer 13 arranged on one side of the two foam layers 11, which is far away from the adhesive layer 14, so that when the foam adhesive tape 100 is adhered to an electronic device, external moisture can be prevented from immersing into the two foam layers; further, the bubble film layer 12 made of waterproof material is arranged between the two bubble cotton layers 11, so that the waterproof performance of the bubble cotton adhesive tape 100 is further improved, and even when the outermost bubble cotton layer 11 is soaked in water, the inner bubble cotton layer 11 can be protected from water; meanwhile, the arrangement of the bubble film layer 12 can effectively improve the shock absorption performance of the foam adhesive tape 100, and even if the two foam layers 11 of the foam adhesive tape 100 are soaked in water, the foam adhesive tape 100 still can keep good shock absorption performance, so that the accessories are protected from shock for a long time.

Therefore, it can be understood that, in the foam tape 100 of the present invention, the waterproof layer 13 is disposed on one side of the two foam layers 11 away from the adhesive layer 14, and the bubble film layer 12 made of a waterproof material is disposed between the two foam layers 11, so as to improve the waterproof performance of the foam tape 100, effectively prevent moisture from permeating into the foam layers 11, and ensure the damping performance and the bonding strength of the foam tape 100. Simultaneously, the setting of bubble rete 12 between the cotton layer 11 of two-layer bubble can effectively improve the shock attenuation performance of bubble cotton sticky tape 100, even if the cotton layer 11 of two-layer bubble of bubble cotton sticky tape 100 all soaks, bubble cotton sticky tape 100 still can keep better shock attenuation nature, and the guarantee accessory obtains long-term shock protection.

In some embodiments of the foam tape 100 of the present invention, the material of the bubble film layer 12 is polyethylene.

According to the technical scheme of the embodiment, the bubble film layer 12 made of the waterproof material is arranged between the two bubble cotton layers 11, so that the waterproof performance and the shock absorption performance of the bubble cotton adhesive tape 100 are improved. In this embodiment, the material of the bubble film layer 12 is a polyethylene material, and the polyethylene has excellent mechanical properties, chemical stability and impact resistance, so as to reduce the risk of hole breaking or bubble breaking of the bubble film layer 12, and ensure the waterproof performance and the damping performance thereof.

Referring to fig. 2, in some embodiments of the foam tape 100 of the present invention, the bubble film 12 is a double-sided bubble film 12, and a plurality of bubble portions 121 are disposed on two side surfaces of the bubble film 12 at intervals.

According to the technical scheme of the embodiment, the bubble film layer 12 made of the waterproof material is arranged between the two bubble cotton layers 11, so that the waterproof performance and the shock absorption performance of the bubble cotton adhesive tape 100 are improved. In this embodiment, the bubble film layer 12 is a double-sided bubble film layer 12, and the surfaces on both sides of the bubble film layer 12 are respectively provided with a plurality of bubble portions 121 arranged at intervals, so as to further improve the damping capacity of the bubble film layer 12, thereby improving the damping performance of the foam adhesive tape 100, so that the foam adhesive tape 100 can still maintain good damping performance after being soaked in water, and ensure that the accessories are protected from shock for a long time.

Referring to fig. 2, in some embodiments of the foam tape 100 of the present invention, a heat insulation silicone layer 15 is disposed between the foam film layer 12 and the foam layer 11.

According to the technical scheme of the embodiment, the bubble film layer 12 made of the waterproof material is arranged between the two bubble cotton layers 11, so that the waterproof performance and the shock absorption performance of the bubble cotton adhesive tape 100 are improved. In this embodiment, the heat insulation silica gel layer 15 is disposed between the bubble film layer 12 and the foam layer 11, and the heat insulation silica gel layer 15 prevents an electronic device or external heat from being transferred to the bubble film layer 12, so that the air in the bubble portion 121 is prevented from expanding and breaking the bubble portion 121, and the damping performance of the bubble film layer 12 is ensured; meanwhile, the heat-insulating silica gel also has good water-insulating capacity and elasticity, so that the waterproof performance and the shock absorption performance of the foam adhesive tape 100 are improved.

In some embodiments of the foam tape 100 of the present invention, the waterproof layer 13 is made of butyl rubber.

According to the technical scheme of the embodiment, the waterproof layer 13 is arranged on one side, away from the adhesive layer 14, of the two foam layers 11, so that the waterproof capacity of the foam adhesive tape 100 is improved. In this embodiment, the waterproof layer 13 is made of butyl rubber, which is one of synthetic rubbers, and is synthesized from isobutylene and a small amount of isoprene, so that the air tightness is good, the liquid can be prevented from entering the foam adhesive tape 100, and the foam adhesive tape has the advantages of heat resistance, ozone resistance, aging resistance and the like, so that the performance stability of the foam adhesive tape 100 can be ensured. Meanwhile, the foam tape 100 has shock absorption and electrical insulation properties, so that the protection effect on the electronic device is improved when the foam tape 100 is applied to the protection of the electronic device.

Referring to fig. 2, in some embodiments of the foam tape 100 of the present invention, the metal elastic sheet 16 with a net structure is embedded in the foam layer 11.

In the technical solution of the foregoing embodiment, the foam tape 100 of the present application is provided with the foam layer 11 to have a certain shock-absorbing capacity. In this embodiment, the metal elastic sheet 16 with a net structure is embedded in the foam layer 11. The anti-deformation structure has good anti-deformation capability, so that the phenomenon that the foam layer 11 deforms to influence the shielding effect of the foam layer on an electronic component is avoided, and meanwhile, the metal is used as the anti-deformation framework, so that the heat conduction capability of the foam layer 11 is improved. And the foam tape 100 has a certain electromagnetic shielding capability, so that when the foam tape 100 is applied to the protection of electronic devices, the electronic devices are prevented from being interfered by external electromagnetic interference.

In some embodiments of the foam tape 100 of the present invention, the metal elastic sheet 16 is made of aluminum or aluminum alloy.

In the technical scheme of the previous embodiment, the elastic metal sheet is arranged in the foam layer 11 to improve the deformation resistance of the foam layer 11. In this embodiment, the metal elastic sheet 16 is made of aluminum or an aluminum alloy material, so as to more effectively improve the heat conduction capability of the foam layer 11, improve the heat conduction efficiency, and accelerate the heat dissipation.

Referring to fig. 2, in some embodiments of the foam tape 100 of the present invention, the foam tape 100 further includes a PET substrate layer 17, and the PET substrate layer 17 is sandwiched between the foam layer 11 and the adhesive layer 14.

In the technical solution of the foregoing embodiment, an adhesive layer 14 is disposed on a surface of one of the foam layers 11 facing away from the foam film layer 12, so as to be adhered to the electronic device through the adhesive layer 14, and thereby the electronic device is protected from shock. In this embodiment, the foam adhesive tape 100 further includes a PET substrate layer 17 (polyester resin, Poly ethylene terephthalate), the polyester resin is a condensation polymer of terephthalic acid and ethylene glycol, and is collectively referred to as thermoplastic polyester or saturated polyester together with PBT, and has a certain heat resistance, good adhesion of the adhesive, and a higher bonding strength with the adhesive layer 14, so as to improve the connection strength between the adhesive layer 14 and the foam layer 11, and prevent the release of the foam layer 11 and the adhesive layer 14.

Referring to fig. 1, in some embodiments of the foam tape 100 of the present invention, a release film 20 is disposed on a surface of the adhesive layer 14 facing away from the foam layer 11.

The foam adhesive tape 100 of the present application can be adhered to an electronic device through the adhesive layer 14 disposed thereon, so as to protect the electronic device from shock. In this embodiment, the surface of one side of the viscose layer 14 that deviates from the foam layer 11 is further pasted with a release film 20, and the setting of the release film 20 mainly avoids other objects from contacting the viscose layer 14 and adhering to the foam adhesive tape 100 when the foam adhesive tape 100 is not used, so that the bonding strength of the foam adhesive tape 100 is affected, and the foam adhesive tape 100 is also prevented from adhering to other objects.

Referring to fig. 1, in some embodiments of the foam adhesive tape 100 of the present invention, a tape main body 10 is formed by two layers of the foam layer 11, the bubble film layer 12, the waterproof layer 13 and the adhesive layer 14, the release film 20 is arranged in a strip shape, the tape main body 10 is provided with a plurality of slits 18 arranged at intervals along a length direction of the release film 20, and the slits 18 extend along a width direction of the release film 20 to divide the tape main body 10 into a plurality of sections.

In the technical solution of the foregoing embodiment, the release film 20 is adhered to the surface of the adhesive layer 14 facing away from the foam layer 11, so as to prevent the adhesive layer 14 from contacting other objects and adhering to other objects. Typically, foam tape 100 is provided in a roll for storage. In this embodiment, it is rectangular form setting to be from type membrane 20 to use the structure that two-layer bubble cotton layer 11, bubble rete 12, waterproof layer 13 and viscose layer 14 are constituteed as sticky tape main part 10, be provided with a plurality of kerfs 18 on the sticky tape main part 10, in order to cut apart into a plurality of sections with sticky tape main part 10 along the length direction from type membrane 20, the user is when using bubble cotton sticky tape 100, just can directly tear the sticky tape main part 10 of required length, need not to cut sticky tape main part 10 with the help of the instrument, and it is comparatively convenient to use.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical solutions of the present invention, which are made by using the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A foam tape, comprising:

the foam layer is provided with two layers which are arranged oppositely;

2. The foam tape according to claim 1, wherein the foam film layer is made of polyethylene.

3. The foam tape according to claim 1, wherein the foam film layer is a double-sided foam film layer, and the surfaces of both sides of the foam film layer are provided with a plurality of spaced foam portions.

4. The foam tape according to claim 3, wherein a heat insulation silica gel layer is arranged between the foam film layer and the foam layer.

5. The foam tape according to claim 1, wherein the waterproof layer is made of butyl rubber.

6. The foam tape according to claim 1, wherein a metal elastic sheet having a net structure is embedded in the foam layer.

7. The foam tape according to claim 6, wherein the metal elastic sheet is made of aluminum or aluminum alloy.

8. The foam tape of claim 1, further comprising a PET substrate layer sandwiched between the foam layer and the adhesive layer.

9. The foam tape according to any one of claims 1 to 8, wherein a release film is disposed on a surface of the adhesive layer facing away from the foam layer.

10. The foam tape according to claim 9, wherein the tape body is formed by two layers of the foam layer, the foam film layer, the waterproof layer and the adhesive layer, the release film is provided in a strip shape, the tape body is provided with a plurality of slits spaced along a length direction of the release film, and the slits extend along a width direction of the release film to divide the tape body into a plurality of sections.