High-toughness reinforced PET (Polyethylene Terephthalate) adhesive tape

By introducing a waterproof layer, an elastic layer, and a reinforcing layer into the PET tape, combined with a memory column and through-hole design, the deformation problem of PET tape under temperature changes is solved, achieving the maintenance of toughness and strength in high and low temperature environments, and facilitating segmented use.

CN223805039UActive Publication Date: 2026-01-16DONGGUAN YANGCHEN NEW MATERIAL CO LTD
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Patent Information

Application Number
CN202520288373.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-24
Publication Date
2026-01-16
Estimated Expiration
2035-02-24

AI Technical Summary

Technical Problem

PET tape softens and deforms at high temperatures, and its adhesion and flexibility decrease at low temperatures, affecting its performance.

Method used

It adopts a PET waterproof layer, elastic layer and reinforcement layer structure, combined with memory pillar and through hole design. The reinforcement layer and elastic layer have through holes. The memory pillar restores its shape when the temperature changes, maintaining the toughness and strength of the tape. The sealing strip design makes it easy to tear in sections.

Benefits of technology

Maintaining the strength and toughness of the tape under high and low temperature environments prevents deformation, improves performance, and facilitates segmented use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of PET (Polyethylene Terephthalate) adhesive tapes, in particular to a high-toughness enhanced PET adhesive tape, which comprises a PET waterproof layer, a glue layer arranged below the PET waterproof layer and an enhanced component, and one side of the PET waterproof layer is also provided with a connecting component; the elastic layer and the reinforcing layer are arranged between the PET waterproof layer and the glue layer, so that the adhesive tape can preserve good strength and toughness in a low-temperature or high-temperature environment, and the arranged memory cylinders can drive the base layer to quickly recover after the adhesive tape base layer deforms along with the external environment temperature, so that deformation and incapability of recovering are avoided, and the service life of the adhesive tape is prolonged. Meanwhile, through the arrangement of the connecting assembly, the adhesive tape is designed into a multi-section structure, so that a user can conveniently and quickly tear the adhesive tape and use the adhesive tape in sections, and the toughness, the strength and the actual use performance of the PET adhesive tape are further improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to PET adhesive tape technical field, concretely relates to a high toughness reinforced PET adhesive tape. BACKGROUND

[0002] PET adhesive tape refers to the adhesive tape that adopts polyethylene terephthalate film as the base material, because it has excellent waterproof, chemical resistance and strong mechanical performance, is widely used in electronic, printing, packaging and other fields, the base material of PET adhesive tape has certain heat resistance, but still can soften or deform under high temperature, leading to the structure of the adhesive tape being damaged, and under low temperature environment, the adhesion and flexibility of the adhesive tape will decrease, especially in cold weather, the adhesive tape can become fragile, easily broken or unable to re-adhere, thereby affecting the actual use performance of the adhesive tape.

[0003] In view of this, we propose a high toughness reinforced PET adhesive tape. UTILITY MODEL CONTENTS

[0004] In view of the above shortcomings of the prior art, the utility model provides a high toughness reinforced PET adhesive tape, which can effectively solve the problem that the adhesive tape will soften and deform under high temperature, and the adhesion and flexibility will decrease under low temperature environment, affecting the actual use performance of the adhesive tape.

[0005] To achieve the above purpose, the utility model realizes through the following technical scheme:

[0006] The utility model provides a high toughness reinforced PET adhesive tape, which comprises a PET waterproof layer and a glue layer arranged below the PET waterproof layer.

[0007] And an enhancement assembly, the enhancement assembly comprises an elastic layer arranged at the bottom of the PET waterproof layer, a reinforcing layer is further arranged below the elastic layer, and a plurality of memory column bodies are further arranged in the elastic layer and the reinforcing layer.

[0008] The utility model further comprises a connecting assembly arranged on one side of the PET waterproof layer and the enhancement assembly.

[0009] Further, the top of the elastic layer is fixedly connected to the bottom of the PET waterproof layer, the bottom of the elastic layer is fixedly connected to the top of the reinforcing layer, and the bottom of the reinforcing layer is further bonded to the top of the glue layer.

[0010] Further, a plurality of first through holes are formed in the reinforcing layer, and a plurality of second through holes corresponding to the plurality of first through holes are formed in the elastic layer.

[0011] Further, the plurality of first through holes and the plurality of second through holes are in cylindrical shape, and the inner cavity side walls of the plurality of first through holes and the plurality of second through holes are filled with memory column bodies.

[0012] Further, the bottom of the PET waterproof layer is provided with a plurality of through grooves, and the plurality of through grooves are in strip shape and are in communication with the second through hole.

[0013] Further, the connecting assembly comprises the PET waterproof layer, the reinforcing layer and the elastic layer, and the edge strip is fixedly connected to one side of the PET waterproof layer, the edge strip is fixedly connected to the top of the glue layer, and a plurality of split tear grooves are formed in the side of the edge strip away from the PET waterproof layer, and the plurality of split tear grooves are in tooth shape.

[0014] Compared with the known prior art, the technical scheme has the following beneficial effects:

[0015] The elastic layer and the reinforcing layer are arranged between the PET waterproof layer and the glue layer, so that the adhesive tape can have good strength and toughness in a low-temperature or high-temperature environment, the memory column can drive the base layer to quickly recover after the base layer is deformed due to the external environment temperature, deformation and recovery failure are avoided, the adhesive force and the breaking of the adhesive tape are affected, the adhesive tape is designed as a multi-segment structure through the connecting assembly, the user can quickly tear and use the adhesive tape, and the toughness and strength of the PET adhesive tape and the actual use performance are further improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.

[0017] Figure 1 It is a first perspective structure schematic view of the present application;

[0018] Figure 2 It is a plane structure schematic view of the present application;

[0019] Figure 3 It is a PET waterproof layer and related component sectional view partial structure schematic view of the present application;

[0020] Figure 4 It is a PET waterproof layer and reinforcing layer and related component disassembly structure schematic view of the present application.

[0021] The numbers in the drawings represent: 1, PET waterproof layer; 2, edge strip; 3, split tear groove; 4, glue layer; 5, reinforcing layer; 6, elastic layer; 7, through groove; 8, memory column; 9, first through hole; 10, second through hole. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application.

[0023] The present application will be further described below with reference to the embodiments.

[0024] The present application relates to a kind of high toughness reinforced PET adhesive tape, including PET waterproof layer 1 and the glue layer 4 of being arranged in PET waterproof layer 1 below, and reinforcing component, reinforcing component includes the elastic layer 6 of being arranged in the bottom of PET waterproof layer 1, the reinforcing layer 5 of still being arranged in the below of elastic layer 6, and the inside of elastic layer 6 and reinforcing layer 5 still is provided with multiple groups of memory column 8, wherein, one side of PET waterproof layer 1 is also provided with connecting component, and connecting component is also arranged in the side of reinforcing component, connecting component includes the edge strip 2 of being fixedly connected to one side of PET waterproof layer 1 and reinforcing layer 5 and elastic layer 6, the top of glue layer 4 is fixedly connected in the bottom of edge strip 2, the side of edge strip 2 away from PET waterproof layer 1 is also provided with multiple groups of tear groove 3, and multiple groups of tear groove 3 are all dentiform;

[0025] Specifically, by setting PET waterproof layer 1, the good waterproof performance of adhesive tape can be guaranteed, and the elastic layer 6 is made of silicone rubber material, the silicone rubber has very excellent high temperature resistance, and the elasticity and flexibility are also suitable for low temperature environment, can keep good performance under high temperature and low temperature conditions, while the reinforcing layer 5 below is made of reinforced polytetrafluoroethylene material, which can effectively improve the heat resistance and stability of the adhesive tape, and also can enhance the waterproof effect, can effectively improve the strength and toughness of the adhesive tape, and the memory column 8 arranged in the reinforcing layer 5 and the elastic layer 6 is made of shape memory polymer, which can change phase when the temperature changes, and can restore the original shape, so as to cooperate with the elastic layer 6 and the reinforcing layer 5, can restore the adhesive tape when the adhesive tape is deformed by external temperature, avoid affecting the use performance of the adhesive tape after deformation;

[0026] Further, by setting connecting component on one side of PET waterproof layer 1, multiple groups of dentiform tear grooves 3 are opened on one side of edge strip 2, which facilitates users to tear the adhesive tape in use, avoids deformation caused by pulling the adhesive tape, and the adhesive tape is not cut flat enough when tearing and separating, which affects secondary use, etc.

[0027] Specific, the top of the elastic layer 6 is fixedly connected to the bottom of the PET waterproof layer 1, and the bottom of the elastic layer 6 is fixedly connected to the top of the reinforcing layer 5, and the bottom of the reinforcing layer 5 is further bonded to the top of the glue layer 4, a plurality of first through holes 9 are arranged in the reinforcing layer 5, and a plurality of second through holes 10 corresponding to the plurality of first through holes 9 are arranged in the elastic layer 6, the plurality of first through holes 9 and the plurality of second through holes 10 are in a cylindrical shape, and the inner cavity side walls of the plurality of first through holes 9 and the plurality of second through holes 10 are filled with memory column bodies 8, and a plurality of through grooves 7 are arranged in the bottom of the PET waterproof layer 1, the plurality of through grooves 7 are in a strip shape, and the plurality of through grooves 7 are in communication with the second through holes 10;

[0028] Specifically, the first through holes 9 and the second through holes 10 arranged in the reinforcing layer 5 and the elastic layer 6 are convenient for filling and using the memory column bodies 8, when the adhesive tape is affected by the external environment temperature, the memory column bodies 8 in the first through holes 9 and the second through holes 10 will undergo glass transition or polymer chain relaxation under high temperature conditions, and return to the predetermined shape, and under low temperature environment, the memory column bodies 8 can also return to the predetermined shape with the change of the external temperature, and the plurality of memory column bodies 8 can drive the reinforcing layer 5 and the elastic layer 6 to deform and recover, and the plurality of through grooves 7 arranged in the bottom of the PET waterproof layer 1 can provide a certain deformable space for the adhesive tape as a whole, and when the adhesive tape is locally overheated or overcooled, ensure that there is a space for circulation inside to exchange heat, avoid local overheating and overcooling, and affect the use performance of the adhesive tape.

[0029] The utility model discloses a working principle: through setting up PET waterproof layer 1, can guarantee that the adhesive tape good waterproof performance, and elastic layer 6 adopts the silicon rubber material, and silicon rubber has very excellent high temperature resistance, and elasticity and flexibility are also suitable low temperature environment, can keep good performance under high temperature and low temperature condition, the enhancement layer 5 of below adopts the reinforced polytetrafluoroethylene material simultaneously, can effectively improve the heat resistance and stability of adhesive tape, can also strengthen waterproof effect simultaneously, can effectively improve the strength and toughness of adhesive tape, and the memory column 8 of setting up inside enhancement layer 5 and elastic layer 6 adopts shape memory polymer, and this material can restore original form when temperature changes, thereby cooperate elastic layer 6 and enhancement layer 5, can be deformed to adhesive tape under the influence of external temperature, restores adhesive tape, avoids the use performance of adhesive tape after deformation, through the first through -hole 9 and second through -hole 10 of setting up of elastic layer 6 and enhancement layer 5, the memory column 8 in the first through -hole 9 and second through -hole 10 is filled with use, when adhesive tape is influenced by external environment temperature, the memory column 8 in the first through -hole 9 and second through -hole 10, under high temperature condition, will happen vitrification transition or polymer chain relaxation, restore to predetermined shape, and under low temperature environment, the memory column 8 can also restore to predetermined shape along with the change of external temperature, simultaneously through multiple memory column 8 can drive enhancement layer 5 and elastic layer 6 to occur deformation, restore, and through the multiple through -slot 7 of setting up in PET waterproof layer 1 bottom, make adhesive tape whole have certain deformable space, guarantee inside to have a flowable space when adhesive tape local overheating or overcooling, carry out cold and hot exchange, avoid local overheating overcooling, influence the use performance of adhesive tape, and through the side of edge strip 2 is seted up multiple dentate split slot 3, facilitate user in the course of using, to adhesive tape fast segmented tear open use, avoid pulling adhesive tape, cause deformation, and tear open and separate when, adhesive tape cut is not enough flat, influence secondary use etc.

[0030] The above examples are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing examples, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement to some technical features; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the protection scope of the technical solutions of the embodiments of the utility model.

Claims

1. A high-toughness reinforced PET tape, characterized by, The application relates to a waterproof layer (1) and a glue layer (4) arranged below the waterproof layer (1). The application further relates to an enhancing assembly, which comprises an elastic layer (6) arranged at the bottom of the waterproof layer (1), and a reinforcing layer (5) arranged below the elastic layer (6), and a plurality of memory column bodies (8) arranged in the elastic layer (6) and the reinforcing layer (5). The waterproof layer (1) is provided with a connecting assembly on one side, and the connecting assembly is arranged on one side of the enhancing assembly. The top of the elastic layer (6) is fixedly connected to the bottom of the waterproof layer (1), the bottom of the elastic layer (6) is fixedly connected to the top of the reinforcing layer (5), and the bottom of the reinforcing layer (5) is bonded to the top of the glue layer (4).

2. The high-toughness reinforced PET tape according to claim 1, characterized in that, A plurality of first through holes (9) are arranged in the reinforcing layer (5), and a plurality of second through holes (10) corresponding to the plurality of first through holes (9) are arranged in the elastic layer (6).

3. The high-toughness reinforced PET tape according to claim 2, characterized in that, The plurality of first through holes (9) and the plurality of second through holes (10) are in cylindrical shapes, and the inner cavity sidewalls of the plurality of first through holes (9) and the plurality of second through holes (10) are filled with the memory column bodies (8).

4. The high-toughness reinforced PET tape according to claim 3, characterized in that, A plurality of through grooves (7) are arranged at the bottom of the waterproof layer (1), the plurality of through grooves (7) are in strip shapes, and the plurality of through grooves (7) are in communication with the second through holes (10).

5. The high-toughness reinforced PET tape according to claim 4, characterized in that, The connecting assembly comprises the waterproof layer (1), the reinforcing layer (5) and the elastic layer (6), and an edge sealing strip (2) fixedly connected to one side of the waterproof layer (1), the reinforcing layer (5) and the elastic layer (6), the bottom of the edge sealing strip (2) is fixedly connected to the top of the glue layer (4), a plurality of split grooves (3) are arranged on the side of the edge sealing strip (2) away from the waterproof layer (1), and the plurality of split grooves (3) are in tooth shapes.

6. The high-toughness reinforced PET tape according to claim 5, wherein, ​