CN215886888U

CN215886888U - Wear-resistant soft sponge adhesive tape

Info

Publication number: CN215886888U
Application number: CN202121741638.2U
Authority: CN
Inventors: 刘俊
Original assignee: Kunshan Chemitec Automotive Material Experts Co ltd
Current assignee: Kunshan Chemitec Automotive Material Experts Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-02-22
Anticipated expiration: 2031-07-29

Abstract

The utility model discloses a wear-resistant soft sponge adhesive tape, which comprises a PU sponge layer, wherein a PET flannelette layer is fixedly bonded on one side surface of the PU sponge layer through an acrylic adhesive layer, an isolation paper layer is fixedly bonded on the other side surface of the PU sponge layer through a PET lining adhesive layer, and the thickness of the PU sponge layer is 2-4 mm. The PET flannelette adopted in the sponge adhesive tape has good wear resistance and excellent tensile property, and the PET flannelette is applied to the sponge adhesive tape, so that the singleness of the material of the sponge adhesive tape is broken through, and the sponge adhesive tape can obtain more excellent performance; the anti-piercing force of sponge has been promoted, and then the comprehensive properties of sponge sticky tape has been improved, has avoided the phenomenon that the pencil manufacturing process breaks sponge, sponge are impaled by the foreign matter, has improved sponge sticky tape utilization ratio, has more improved work efficiency, practices thrift the cost.

Description

Wear-resistant soft sponge adhesive tape

Technical Field

The utility model particularly relates to a wear-resistant soft sponge adhesive tape.

Background

The wiring harness is an extremely important component in the vehicle, is the blood vessel and nervous system of the vehicle and is distributed throughout the whole automobile. During the vehicle operation, there can phenomena such as friction, collision between the pencil, between the spare part of pencil and contact, produce the noise, so for a long time, still can arouse the wearing and tearing of pencil and become flexible, this can reduce the vehicle and control experience, influences whole car quality, increases the maintenance cost, takes place danger even. The sponge adhesive tape is coated on the surface of the wire harness, so that the damping and noise reduction performance of the wire harness can be obviously improved, and the protection effect is achieved. At present, the function division of the sponge adhesive tape is more and more delicate, and the shape and the use method of the sponge adhesive tape are more and more diversified and specialized.

Aiming at the working environments of different parts on an automobile, the sponge adhesive tapes with different functions and forms are needed to protect the wire harness, so that the sponge adhesive tapes are required to be additionally provided with performances such as wear resistance, tensile resistance and the like on the basis of the noise reduction function, and the problem needs to be solved urgently in the industry. The traditional sponge adhesive tape adopts the acrylic adhesive which is directly coated, has low tensile strength, is easy to be pierced by foreign matters, and is easy to cause the phenomena of sponge adhesive tape damage and the like when the wire harness is packaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a wear-resistant sponge adhesive tape which is good in wear resistance and flexibility and can be well suitable for application environments with violent vibration, more wiring harness branches and the like.

The utility model is realized by the following technical scheme in order to achieve the purpose:

a wear-resistant soft sponge adhesive tape comprises a PU sponge layer, wherein a PET flannelette layer is fixedly bonded on one side surface of the PU sponge layer through an acrylic adhesive layer, an isolation paper layer is fixedly bonded on the other side surface of the PU sponge layer through a PET lining gluing layer, and the thickness of the PU sponge layer is 2-4 mm. PET cotton flannel after single side gluing of PU sponge is laminated through gluing equipment, a tissue paper lining gluing film is laminated on the other side of the PU sponge, and sponge adhesive tape is wound through full-automatic winding equipment after double-side gluing is completed.

Further, the surface hardness of the PU sponge layer is 40-60, and an F-type Shore durometer is adopted for hardness measurement.

Further, the density range of the material of the PU sponge layer is 20-24kg/m³。

Furthermore, the thickness of the PET flannelette layer is 0.3-0.7 mm.

Further, the thickness of the PET liner coating layer is 0.01-0.014 mm.

Furthermore, the isolation paper layer is single-sided silicon-coated release paper.

Compared with the prior art, the PET flannelette adopted in the sponge adhesive tape has good wear resistance and excellent tensile property, and the PET flannelette is applied to the sponge adhesive tape, so that the material singleness of the sponge adhesive tape is broken through, and the sponge adhesive tape can obtain more excellent performance. The PET flannelette has good wear resistance and tensile resistance; and with directly scribbling acrylic acid glue on the traditional sponge sticky tape change into PET liner coating, further strengthened tensile resistance, promoted the puncture-proof power of sponge, and then improved the comprehensive properties of sponge sticky tape, avoided the phenomenon that the pencil manufacturing process breaks the sponge, the sponge is impaled by the foreign matter, improved sponge sticky tape utilization ratio, more improved work efficiency, practice thrift the cost.

Drawings

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

FIG. 2 is a diagram of tensile strength testing data of a sponge tape;

FIG. 3 is a graph showing the tensile test data of the sponge tape of the present invention.

In the figure, 1-PET flannelette layer; 2-acrylic acid glue layer; 3-PU sponge layer; 4-PET lining glue coating; 5-isolation paper layer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

As shown in fig. 1 to 3, the wear-resistant soft sponge adhesive tape of the utility model comprises a PU sponge layer 3, a PET flannelette layer 1 is bonded and fixed on one side of the PU sponge layer 3 through an acrylic adhesive layer 2, and an isolation paper layer 5 is bonded and fixed on the other side of the PU sponge layer 3 through a PET lining adhesive layer 4. Wherein the thickness of the PU sponge layer 3 is 2-4 mm. The sponge tape is formed by adhering a PET flannelette layer 1 after coating an acrylic acid adhesive layer 2 on one side of a PU sponge layer 3 through a gluing device, adhering a plastic paper liner coated PET liner gluing layer 4 adhesive film on the other side of the PU sponge layer 3, and rolling the sponge tape after double-side adhesion through a full-automatic rolling device.

In the preferred embodiment, the surface hardness of the PU sponge layer 3 is 40-60, and the hardness measurement is performed by using a Shore durometer F.

Preferably, the material density of the PU sponge layer 3 is in the range of 20-24kg/m³More preferably 22 kg/mlm³。

Preferably, the PET fleece layer 1 has a thickness of preferably 0.3 to 0.7mm, more preferably 0.4 mm.

Preferably, the thickness of the PET rubber-lined layer 4 is 0.01-0.014mm, more preferably 0.012 mm.

Preferably, the isolation paper layer 5 is single-sided silicon-coated release paper.

The tensile property test data of the existing sponge tape are shown in the following table 1 and fig. 2:

TABLE 1

Through the improvement of the utility model, the tensile strength of the sponge adhesive tape with the PET lint added on the surface and the PET lining is obviously higher than that of a direct-coating sponge adhesive tape; when the wiring harness is packaged, the phenomena of sponge adhesive tape damage and the like can be avoided. The tensile property test data of 4 sponge tapes provided by the utility model are shown in the following table 2 and fig. 3:

TABLE 2

As can be seen from tables 1 and 2 and figures 2 and 3, the PET flannelette layer 1 is adhered and covered on the surface of the traditional sponge adhesive tape, so that the wear resistance of the sponge adhesive tape can be effectively improved, and the tensile resistance of the sponge adhesive tape is improved. The utility model uses a gluing process, reasonably arranges the space between the front rolling shaft and the rear rolling shaft of the gluing machine in the gluing process between the sponge adhesive tape and the PET flannelette layer 1, sets the space to be full pressure, adopts a clearance gauge to monitor according to the thickness of the glue needed by the material and the glue, controls the thickness of the glue of the acrylic adhesive layer 2 to be 300 +/-10 um, and simultaneously adjusts the improved rolling process, the rolling tension and the rolling speed to ensure that the sponge adhesive and the PET flannelette are tightly glued and beautiful.

The soft wear-resistant flannelette sponge adhesive tape provided by the utility model is mainly applied to positions of automobile door plates, chassis and the like which need strong vibration, and effectively protects cables from being damaged by the environment. Meanwhile, the sponge adhesive tape has excellent stretch-resistant performance, the phenomenon that the sponge is broken in the manufacturing process of the wire harness is avoided, the utilization rate of the sponge adhesive tape is improved, the working efficiency is improved, and the cost is saved.

The embodiments of the present invention are merely illustrative and not restrictive, and those skilled in the art can modify the embodiments without inventive contribution as required after reading the present specification, but the present invention is protected by patent law within the scope of the appended claims.

Claims

1. The utility model provides a wear-resisting soft sponge sticky tape, its characterized in that, it includes PU sponge layer (3), and fixed PET flannelette layer (1) is passed through acrylic acid glue film (2) bonding in PU sponge layer (3) one side, and PET lining rubberised layer (4) bonding fixed isolation ply (5) are passed through to PU sponge layer another side, the thickness on PU sponge layer is 2-4 mm.

2. The abrasion-resistant flexible sponge tape according to claim 1, wherein the surface hardness of the PU sponge layer is 40-60, and the hardness measurement is performed by using a Shore durometer type F.

3. The abrasion-resistant flexible sponge tape as claimed in claim 1, wherein the PU sponge layer has a material density of 20 to 24kg/m³。

4. The abrasion-resistant flexible sponge tape according to claim 1, wherein the thickness of the PET lint layer is 0.3-0.7 mm.

5. The abrasion-resistant flexible sponge tape as claimed in claim 1, wherein the PET under-coating layer has a thickness of 0.01-0.014 mm.

6. The abrasion-resistant flexible sponge tape according to claim 1, wherein the separator paper layer is a single-sided silicon-coated release paper.