CN221141621U - Ultrathin grid double-sided exhaust adhesive tape with electromagnetic shielding function - Google Patents
Ultrathin grid double-sided exhaust adhesive tape with electromagnetic shielding function Download PDFInfo
- Publication number
- CN221141621U CN221141621U CN202322920900.5U CN202322920900U CN221141621U CN 221141621 U CN221141621 U CN 221141621U CN 202322920900 U CN202322920900 U CN 202322920900U CN 221141621 U CN221141621 U CN 221141621U
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- Prior art keywords
- layer
- grid
- acrylic adhesive
- reticulate
- electromagnetic shielding
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- 239000002390 adhesive tape Substances 0.000 title claims abstract description 23
- 239000010410 layer Substances 0.000 claims abstract description 128
- 239000003522 acrylic cement Substances 0.000 claims abstract description 47
- 239000000758 substrate Substances 0.000 claims abstract description 14
- 239000002245 particle Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 238000007639 printing Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 238000001035 drying Methods 0.000 abstract 1
- 238000007774 anilox coating Methods 0.000 description 6
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007761 roller coating Methods 0.000 description 1
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Laminated Bodies (AREA)
Abstract
The utility model relates to an ultrathin grid double-sided exhaust adhesive tape with an electromagnetic shielding function, which comprises a grid release layer, an acrylic adhesive layer, a shielding layer, a substrate layer, a wave absorbing layer, a reticulate acrylic adhesive layer and a plane release layer which are sequentially laminated. According to the utility model, the thickness of the acrylic adhesive layer and the reticulate acrylic adhesive layer is controlled to be 3-5 mu m, the thicknesses of the shielding layer and the wave absorbing layer are controlled to be 1-5 mu m, the thickness of the base material layer is controlled to be 1.5-2.1 mu m, and the ultra-thin grid double-sided exhaust adhesive tape is obtained by matching with a plane release layer and a grid release layer, so that the arching phenomenon of the adhesive tape caused by overlarge release layer thickness is avoided. Simultaneously, through the combined action of electromagnetic shielding and electromagnetic absorption, the electromagnetic shielding effect of the adhesive tape is greatly improved, electromagnetic drying brought by a strong electromagnetic environment to adhered electronic devices is reduced, and the applicability of the adhesive tape is further improved.
Description
Technical Field
The utility model relates to the technical field of adhesive tapes, in particular to an ultrathin grid double-sided exhaust adhesive tape with an electromagnetic shielding function.
Background
Double-sided tape is widely used for fixing electronic components. The traditional grid double-sided exhaust adhesive tape generally takes a PET film as a base material, acrylic glue is coated on two sides of the base material, the acrylic glue on two sides is attached to a grid release film on one side, which is away from the base material, so that a double-sided grid effect is formed, and the double-sided grid brings excellent exhaust performance. Meanwhile, along with the continuous expansion of the use environment of the adhesive tape, some adhesive tapes need to be used in a strong electromagnetic environment, and the strong electromagnetic environment can bring electromagnetic interference to the attached electronic device to influence the normal performance of the electronic device, so how to manufacture the ultrathin grid double-sided exhaust adhesive tape with good electromagnetic shielding function under the condition of not stripping and arching is a problem which needs to be solved at present.
Disclosure of utility model
In order to solve the technical problems, the utility model provides an ultrathin grid double-sided exhaust adhesive tape with an electromagnetic shielding function, which comprises a grid release layer, an acrylic adhesive layer, a shielding layer, a substrate layer, a wave absorbing layer, a reticulate acrylic adhesive layer and a plane release layer which are sequentially laminated, wherein the acrylic adhesive layer and the reticulate acrylic adhesive layer are acrylic adhesive layers, the thickness of the acrylic adhesive layer and the reticulate acrylic adhesive layer is 3-5 mu m, the shielding layer and the wave absorbing layer are respectively formed by printing an electromagnetic shielding functional particle solution and a wave absorbing functional particle solution, and the thickness of the shielding layer and the wave absorbing layer is 1-5 mu m.
Further, the substrate layer is a PET substrate, the thickness of the PET substrate is 1.5-2.1 mu m, and the gram weight is 2-4 g/m 2.
Further, the thickness of the grid release layer is 100-120 mu m, the thickness of the plane release layer is 20-35 mu m, and the release force gram weight ratio of the grid release layer to the plane release layer is 1:2-4.
Further, the grid depth of the grid release layer is 2-5 mu m, the grid size is 100 x 100 mu m, and the width of the grid wall is 14-30 mu m.
Further, the grid release layer and the acrylic adhesive layer transfer the grid onto the acrylic adhesive layer in the compounding process, and then a grid exhaust channel is formed on the acrylic adhesive layer.
Further, the reticulate acrylic adhesive layer is formed by reticulate gravure roller coating, the mesh width of the reticulate gravure roller is 180-220 mu m, the mesh wall width is 130-160 mu m, the depth is 120-150 mu m, and the reticulate shape is any one of rectangle, square, diamond, hexagon and circle. After coating, the circular reticulate patterns on the gravure roll are transferred to an acrylic adhesive layer, and then a dot-shaped exhaust channel is formed on the reticulate pattern acrylic adhesive layer.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The dot-shaped exhaust channels are formed on the acrylic adhesive layer by adopting the coating technology of the anilox gravure roll, the matching plane release layer still has excellent exhaust effect, and compared with the double-sided exhaust adhesive tape with the grid release layer arranged on the bottom layer and the top layer, the thickness of the release layer is greatly reduced, and further the arching phenomenon of the adhesive tape caused by overlarge release layer thickness is avoided.
(2) The ultra-thin grid double-sided exhaust adhesive tape with the electromagnetic shielding function is obtained by controlling the thickness of the acrylic adhesive layer and the reticulate acrylic adhesive layer to be 3-5 mu m, the thickness of the shielding layer and the wave absorbing layer to be 1-5 mu m and the thickness of the base material layer to be 1.5-2.1 mu m and matching with a plane release layer and a grid release layer, so that the application of the adhesive tape in the exquisite light and thin communication industry is further expanded.
(3) Through set up the shielding layer between substrate layer and ya keli adhesive layer, set up the wave absorbing layer between substrate layer and reticulate pattern ya keli adhesive layer, through electromagnetic shield and electromagnetic absorption's combined action, improved the electromagnetic shield effect of sticky tape greatly, reduced the electromagnetic interference that strong electromagnetic environment brought to the electronic device of being glued, further improved the suitability of sticky tape.
Drawings
Fig. 1 is a schematic diagram of the overall structure of an ultrathin mesh double-sided exhaust tape with electromagnetic shielding function.
Fig. 2 is a schematic diagram of a mesh exhaust channel of an acrylic adhesive layer adjacent to a mesh release layer according to the present utility model.
Fig. 3 is a schematic view of a punctiform vent passage of an anilox acrylic adhesive layer adjacent to a planar release layer of the present utility model.
In the figure: 1: grid release layer; 2: an acrylic adhesive layer; 3: a shielding layer; 4: a substrate layer; 5: a wave absorbing layer; 6: a reticulate acrylic adhesive layer; 7: and a planar release layer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, the ultrathin grid double-sided exhaust adhesive tape with the electromagnetic shielding function comprises a grid release layer 1, an acrylic adhesive layer 2, a shielding layer 3, a base material layer 4, a wave absorbing layer 5, a reticulate acrylic adhesive layer 6 and a plane release layer 7 which are sequentially laminated, wherein the acrylic adhesive layer and the reticulate acrylic adhesive layer are both acrylic adhesive layers, the thickness of the acrylic adhesive layer is 4 mu m, the thickness of the reticulate acrylic adhesive layer is 3.5 mu m, the shielding layer is formed by printing electromagnetic shielding functional particle solution, the thickness of the shielding layer is 3 mu m, the wave absorbing layer is formed by printing wave absorbing functional particle solution, and the thickness of the wave absorbing layer is 3 mu m. The substrate layer is a PET substrate, the thickness is 2 mu m, and the gram weight is 3g/m 2. The grid release layer thickness is 110 mu m, the grid depth is 3 mu m, the grid size is 100 x 100 mu m, and the grid wall width is 18 mu m. The thickness of the plane release layer is 30 mu m, and the release force gram weight ratio of the grid release layer to the plane release layer is 1:3.
The grid release layer and the acrylic adhesive layer transfer the grid onto the acrylic adhesive layer in the compounding process, and then a grid exhaust channel is formed on the acrylic adhesive layer, as shown in fig. 2.
The anilox acrylic adhesive layer is formed by anilox gravure roll coating, the mesh width of the anilox gravure roll is 200 mu m, the mesh wall width is 150 mu m, the depth is 130 mu m, and the anilox shape is round. The circular reticulate patterns on the gravure roll after coating are transferred to the acrylic adhesive layer, and then point-shaped exhaust channels are formed on the reticulate pattern acrylic adhesive layer, as shown in fig. 3.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. An ultrathin grid double-sided exhaust adhesive tape with an electromagnetic shielding function is characterized by comprising a grid release layer, an acrylic adhesive layer, a shielding layer, a substrate layer, a wave absorbing layer, a reticulate acrylic adhesive layer and a plane release layer which are sequentially laminated; the acrylic adhesive layer and the reticulate acrylic adhesive layer are acrylic adhesive layers, the thickness of the acrylic adhesive layer and the reticulate acrylic adhesive layer is 3-5 mu m, the shielding layer and the wave-absorbing layer are respectively formed by printing an electromagnetic shielding functional particle solution and a wave-absorbing functional particle solution, and the thickness of the shielding layer and the wave-absorbing layer is 1-5 mu m.
2. The ultrathin grid double-sided exhaust adhesive tape with the electromagnetic shielding function according to claim 1, wherein the substrate layer is a PET substrate, the thickness of the PET substrate is 1.5-2.1 μm, and the gram weight is 2-4 g/m 2.
3. The ultrathin grid double-sided exhaust adhesive tape with the electromagnetic shielding function according to claim 1, wherein the grid release layer is 100-120 mu m thick, the plane release layer is 20-35 mu m thick, and the release force gram weight ratio of the grid release layer to the plane release layer is 1:2-4.
4. The ultra-thin mesh double-sided exhaust tape with an electromagnetic shielding function according to claim 1, wherein the mesh depth of the mesh release layer is 2-5 μm, the mesh size is 100 x 100 μm, and the mesh wall width is 14-30 μm.
5. The ultrathin grid double-sided exhaust tape with the electromagnetic shielding function according to claim 1, wherein a grid exhaust channel is arranged between the grid release layer and the acrylic adhesive layer.
6. The ultrathin grid double-sided exhaust adhesive tape with an electromagnetic shielding function according to claim 1, wherein the reticulate acrylic adhesive layer is formed by reticulate gravure roll coating, the mesh width of the reticulate gravure roll is 180-220 μm, the mesh wall width is 130-160 μm, the depth is 120-150 μm, and the reticulate shape is round.
7. The ultrathin grid double-sided exhaust tape with the electromagnetic shielding function according to claim 1, wherein a punctiform exhaust channel is arranged between the plane release layer and the reticulate acrylic adhesive layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322920900.5U CN221141621U (en) | 2023-10-30 | 2023-10-30 | Ultrathin grid double-sided exhaust adhesive tape with electromagnetic shielding function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322920900.5U CN221141621U (en) | 2023-10-30 | 2023-10-30 | Ultrathin grid double-sided exhaust adhesive tape with electromagnetic shielding function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221141621U true CN221141621U (en) | 2024-06-14 |
Family
ID=91422442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322920900.5U Active CN221141621U (en) | 2023-10-30 | 2023-10-30 | Ultrathin grid double-sided exhaust adhesive tape with electromagnetic shielding function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221141621U (en) |
-
2023
- 2023-10-30 CN CN202322920900.5U patent/CN221141621U/en active Active
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