CN218202622U - Hot-melt copper foil - Google Patents
Hot-melt copper foil Download PDFInfo
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- CN218202622U CN218202622U CN202222626315.XU CN202222626315U CN218202622U CN 218202622 U CN218202622 U CN 218202622U CN 202222626315 U CN202222626315 U CN 202222626315U CN 218202622 U CN218202622 U CN 218202622U
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- adhesive layer
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Abstract
The utility model discloses a hot melt copper foil relates to the compound area field of plastic-aluminum, and its technical scheme main points are: the adhesive comprises a BOPP film layer, a polyurethane adhesive layer, a copper foil layer, an acrylate adhesive layer, a polytetrafluoroethylene layer and a vinyl chloride-vinyl acetate hot-melt adhesive layer, wherein the polyurethane adhesive layer is bonded between the BOPP film layer and the copper foil layer, the acrylate adhesive layer is bonded between the copper foil layer and the polytetrafluoroethylene layer, and the vinyl chloride-vinyl acetate hot-melt adhesive layer is arranged on the surface, deviating from the acrylate adhesive layer, of the polytetrafluoroethylene layer. The utility model has the advantages of tensile strength is strong, cladding effect and electromagnetic shield are effectual.
Description
Technical Field
The utility model relates to a copper plastic composite strip field, more specifically say, it relates to a hot melt copper foil.
Background
The traditional hot-melt copper foil belt is formed by compounding a PET (polyethylene terephthalate) base band, polyurethane glue and copper foil, and has excellent shielding effect and mechanical and physical properties. The PET as a base material has good tensile strength, elastic modulus, acid and alkali resistance and weather resistance, but the rigidity of the PET material is high, the coating is not tight due to stress release and the like after the cable is coated, and in order to ensure the coating effect, the tension of the tape needs to be increased, but the hot-melt copper foil is easy to deform after being subjected to high tensile force, so that the shielding effect is influenced, and even the quality problems such as tape breakage and the like occur.
Therefore, a new solution is needed to solve this problem.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a hot melt copper foil has that tensile strength is strong, cladding effect and the effectual advantage of electromagnetic shield.
The above technical purpose of the present invention can be achieved by the following technical solutions: the hot-melt copper foil comprises a BOPP film layer, a polyurethane glue layer, a copper foil layer, an acrylate glue layer, a polytetrafluoroethylene layer and a vinyl chloride-vinyl acetate hot-melt glue layer, wherein the polyurethane glue layer is bonded between the BOPP film layer and the copper foil layer, the acrylate glue layer is bonded between the copper foil layer and the polytetrafluoroethylene layer, and the vinyl chloride-vinyl acetate hot-melt glue layer is arranged on the surface, deviating from the acrylate glue layer, of the polytetrafluoroethylene layer.
In one embodiment, the thickness of the vinyl chloride-vinyl acetate hot melt adhesive layer is 2um to 5um.
In one embodiment, the copper foil layer has a thickness of 9um.
In one embodiment, the thickness of the BOPP film layer is 20um.
In one embodiment, the polyurethane glue layer has a thickness of 3.0um to 3.2um.
To sum up, the utility model discloses following beneficial effect has: 1. through the arrangement of the BOPP film layer, the tensile strength of the BOPP film layer is more than 150% of that of a common PET film layer, the problems that a common hot-melt copper foil is low in strength and easy to deform and the like are solved, the cable core of the cable is more tightly coated with the BOPP film layer, and the structural stability and the electrical performance of the cable core are improved; 2. the density of the BOPP film layer is only about 65% of that of the PET film layer, and the low density means low price, so that the material cost can be effectively reduced, and the comprehensive cost performance of the product is improved; 3. through the arrangement of the vinyl chloride-vinyl acetate hot melt adhesive layer, the vinyl chloride-vinyl acetate hot melt adhesive has the characteristics of high toughness, corrosion resistance and strong viscosity, and when the cable is used, the vinyl chloride-vinyl acetate hot melt adhesive layer can be bonded with the sheath of the cable core after being heated, so that the structural strength of the cable can be further enhanced, and the cable can be cut and stripped conveniently and quickly in the following process; 4. adopt the copper foil as the basic unit, the copper foil has good heat dissipation, high temperature resistance is strong, non-deformable's advantage, and for the aluminium foil, it has better electric conductive property, therefore has better electromagnetic shield ability, can improve the interference killing feature of cable, and through set up acrylate adhesive linkage and polytetrafluoroethylene layer between chlorine vinegar resin hot melt adhesive layer and copper foil, wherein, acrylate glue has antivibration, the thermal-insulated effect of sound insulation, make will the utility model discloses can reduce the interference that external environment caused the sinle silk during the use, polytetrafluoroethylene is inert material, has good chemical stability, corrosion resistance, thereby avoided chlorine vinegar resin hot melt adhesive layer direct and the contact of copper foil and the condition of taking place chemical reaction, make chlorine vinegar resin hot melt adhesive layer and copper foil performance itself unchangeable, thereby make the utility model discloses wholly have better stability.
Drawings
Fig. 1 is a schematic structural view of a hot-melt copper foil according to an embodiment of the present application.
In the figure: 1. a BOPP film layer; 2. a polyurethane glue layer; 3. a copper foil layer; 4. an acrylate adhesive layer; 5. a polytetrafluoroethylene layer; 6. a vinyl chloride-vinyl acetate hot melt adhesive layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.
As shown in fig. 1, an embodiment of the present application provides a hot-melt copper foil, which includes a BOPP film layer 1, a polyurethane glue layer 2, a copper foil layer 3, an acrylate glue layer 4, a polytetrafluoroethylene layer 5, and a vinyl chloride-acetate hot-melt glue layer 6, wherein the polyurethane glue layer 2 is bonded between the BOPP film layer 1 and the copper foil layer 3, the acrylate glue layer 4 is bonded between the copper foil layer 3 and the polytetrafluoroethylene layer 5, and the vinyl chloride-acetate hot-melt glue layer 6 is disposed on one side of the polytetrafluoroethylene layer 5, which is far away from the acrylate glue layer 4.
On the basis, the thickness of the vinyl chloride-vinyl acetate hot melt adhesive layer 6 is 2um-5um.
On the basis, the thickness of the copper foil layer 3 is 9um.
On the basis, the thickness of the BOPP film layer 1 is 20um.
On the basis, the thickness of the polyurethane glue layer 2 is 3.0um-3.2um.
In summary, through the arrangement of the BOPP film layer 1, the tensile strength of the BOPP film layer 1 is more than 150% of that of the common PET film layer, so that the problems of low strength, easy deformation and the like of the common hot-melt aluminum foil are solved, the cable core of the cable is more tightly coated with the hot-melt aluminum foil, and the structural stability and the electrical performance of the cable core are improved; the density of the BOPP film layer 1 is only about 65% of that of the PET film layer, and the low density means low price, so that the material cost can be effectively reduced, and the comprehensive cost performance of the product is improved; through the arrangement of the vinyl chloride-vinyl acetate hot melt adhesive layer 6, the vinyl chloride-vinyl acetate hot melt adhesive has the characteristics of high toughness, corrosion resistance and strong viscosity, when the cable is used, the vinyl chloride-vinyl acetate hot melt adhesive layer 6 is bonded with a sheath of a cable core after being heated, so that the structural strength of the cable can be further enhanced, and the cable can be cut and stripped conveniently and quickly in the following process; adopt the copper foil as the basic unit, the copper foil has good heat dissipation, high temperature resistance is strong, non-deformable's advantage, and for the aluminium foil, it has better electric conductive property, therefore has better electromagnetic shield ability, can improve the interference killing feature of cable, and through set up acrylate adhesive layer 4 and polytetrafluoroethylene layer 5 between chlorine vinegar resin hot melt adhesive layer 6 and copper foil, wherein, acrylate glue has antivibration, the thermal-insulated effect of sound insulation, make will the utility model discloses can reduce the interference that external environment caused the sinle silk during the use, polytetrafluoroethylene is inert material, has good chemical stability, corrosion resistance, thereby avoided chlorine vinegar resin hot melt adhesive layer 6 directly to contact with the copper foil and take place the condition of chemical reaction, make chlorine vinegar resin hot melt adhesive layer 6 and copper foil layer 3's performance itself unchangeable, thereby make the utility model discloses wholly have better stability.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that modifications and embellishments within the scope of the present disclosure may be made by those skilled in the art without departing from the principles of the present disclosure.
Claims (5)
1. A hot-melt copper foil characterized by: including BOPP rete (1), polyurethane glue layer (2), copper foil layer (3), acrylic ester adhesive layer (4), polytetrafluoroethylene layer (5) and vinyl chloride-vinyl acetate copolymer hot melt adhesive layer (6), polyurethane glue layer (2) bonds between BOPP rete (1) and copper foil layer (3), acrylic ester adhesive layer (4) bonds between copper foil layer (3) and polytetrafluoroethylene layer (5), vinyl chloride-vinyl copolymer hot melt adhesive layer (6) set up the one side that deviates from acrylic ester adhesive layer (4) in polytetrafluoroethylene layer (5).
2. The hot-melt copper foil according to claim 1, characterized in that: the thickness of the vinyl chloride-vinyl acetate hot melt adhesive layer (6) is 2-5 um.
3. The hot-melt copper foil according to claim 1, characterized in that: the thickness of copper foil layer (3) is 9um.
4. The hot-melt copper foil according to claim 1, characterized in that: the thickness of BOPP rete (1) is 20um.
5. The hot-melt copper foil according to claim 1, characterized in that: the thickness of the polyurethane glue layer (2) is 3.0um-3.2um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222626315.XU CN218202622U (en) | 2022-09-30 | 2022-09-30 | Hot-melt copper foil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222626315.XU CN218202622U (en) | 2022-09-30 | 2022-09-30 | Hot-melt copper foil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218202622U true CN218202622U (en) | 2023-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222626315.XU Active CN218202622U (en) | 2022-09-30 | 2022-09-30 | Hot-melt copper foil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218202622U (en) |
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2022
- 2022-09-30 CN CN202222626315.XU patent/CN218202622U/en active Active
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