CN207443342U - A kind of screened film - Google Patents
A kind of screened film Download PDFInfo
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- CN207443342U CN207443342U CN201721248956.9U CN201721248956U CN207443342U CN 207443342 U CN207443342 U CN 207443342U CN 201721248956 U CN201721248956 U CN 201721248956U CN 207443342 U CN207443342 U CN 207443342U
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- fiber fabric
- graphene
- fabric layer
- conductive adhesive
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Abstract
The utility model discloses a kind of screened films, including off-style paper layer, conductive adhesive layer, fiber fabric layer, graphene layer, black polyamides pressure amine film, conductive adhesive layer is coated in fiber fabric layer lower surface, conductive adhesive layer lower surface attaches off-style paper layer, fiber fabric layer upper surface, which applies, sets graphene layer, and black polyamides pressure amine film is pasted onto by binding agent on graphene layer.The screened film bonding stability of the utility model is good, will not remove, have better flexibility and fatigue durability, can be attached on the surface of various complexity, advantages of good shielding performance.
Description
Technical field
The utility model is related to a kind of screened films, belong to adhesive material technical field.
Background technology
Modern society's electronic product is used extensively, in the air there is all kinds of electromagnetic waves, in some special places or electricity
It needs to be electromagnetically shielded on sub- product, such as some electronic product modules such as special high-end test equipment computer room, printed circuit board (PCB).
Common screened film is using one layer of conducting resinl as electro-magnetic screen layer in the market, but universal shield effectiveness is poor, and in addition some are shielded
Film is to use metal layer as shielded layer, but this metallic shield film is generally thicker, and poor fatigue properties resistant to bending, one
Adhesion is poor on the surface of a little out-of-flatnesses, and adhesive force is small, is easily peeled off.
Utility model content
The purpose of this utility model is to provide a kind of good insulatings, and capability of electromagnetic shielding is excellent, resistant to bending, fatigue durability
Good screened film.
To achieve these goals, the utility model employs following technical proposals.A kind of screened film, including release paper
Layer, conductive adhesive layer, fiber fabric layer, graphene layer, black polyamides pressure amine film, conductive adhesive layer are coated in fiber fabric layer following table
Face, conductive adhesive layer lower surface attach off-style paper layer, and fiber fabric layer upper surface, which applies, sets graphene layer, and black polyamides pressure amine film leads to
Binding agent is crossed to be pasted onto on graphene layer.
Further preferably, the graphene layer refers to the graphite in the scattered braiding lines gap for being covered in fiber fabric layer
Alkene particle, graphene particles cause fiber fabric layer to be provided with good electric conductivity, and fiber fabric layer intensity is high, endurance
Property is good.Black polyamides presses amine film to be bonded by the projection portion of binding agent and fiber fabric layer, while binding agent also bonds graphite
Alkene particle, fixed graphene layer so that fiber fabric layer, graphene layer, black polyamides pressure amine film form a firm bonding
It is whole.
Further preferably, the thickness of the black polyamides pressure amine film is 10-30 μm, and the thickness of the conductive adhesive layer is 10-
15 μm, the thickness of the fiber fabric layer is 50-150 μm.
Further preferably, the fiber fabric layer is carbon fiber fabric plies or non-woven fabrics.
Further preferably, the black polyamides pressure amine film upper surface attaches mica paper, and it is good that mica paper so that screened film has
Good insulation performance.
Further preferably, the black polyamides pressure amine film upper surface attaches flame retardant rubber layer, and flame retardant rubber layer not only has
Good insulation performance, and with flame retardant property.
The advantages of the utility model：Conductive adhesive layer is bonded in fiber fabric layer lower surface, because fiber fabric layer is with recessed
The braiding lines of convex injustice, the bonding stability of conductive adhesive layer is good, will not remove.Ink is substituted using black polyamides pressure amine film,
With better flexibility and fatigue durability, can be attached on the surface of various complexity.Fiber fabric layer substantially increases shielding
Film strength.Traditional metal layer is substituted using graphene layer, graphene has good electric conductivity, advantages of good shielding performance, and
Graphene particles are attached on fiber fabric layer, and forfeiture shield effectiveness will not be broken because of bending.
Description of the drawings
Fig. 1 is the screened film schematic diagram of the utility model embodiment 1.
Fig. 2 is the screened film schematic diagram of the utility model embodiment 2.
Fig. 3 is the screened film schematic diagram of the utility model embodiment 3.
Specific embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is same or like element.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that the utility model
Limitation.
Embodiment 1
As shown in Figure 1, a kind of screened film, including off-style paper layer 1, conductive adhesive layer 2, fiber fabric layer 3, graphene layer 4, black
Color polyamides pressure amine film 5, conductive adhesive layer 2 is coated in 3 lower surface of fiber fabric layer, and 2 lower surface of conductive adhesive layer attaches off-style paper layer 1,
3 upper surface of fiber fabric layer, which applies, sets graphene layer 4, and black polyamides pressure amine film 6 is pasted onto by binding agent 5 on graphene layer 4.
The graphene layer 4 refers to the graphene particles in the scattered braiding lines gap for being covered in fiber fabric layer 3, graphene particles
So that fiber fabric layer 3 is provided with good electric conductivity, and 3 intensity of fiber fabric layer is high, and fatigue durability is good.Black polyamides pressure
Amine film 6 is bonded by the projection portion of binding agent 5 and fiber fabric layer 3, while binding agent 5 also bonds graphene particles, fixed
Graphene layer 4 so that fiber fabric layer 3, graphene layer 4, black polyamides pressure amine film 6 form a firm bonding entirety.Institute
The thickness for stating black polyamides pressure amine film 6 is 10-30 μm, and the thickness of the conductive adhesive layer 2 is 10-15 μm, the fiber fabric layer 3
Thickness for 50-150 μm, the fiber fabric layer 3 is carbon fiber fabric plies.
Embodiment 2
As shown in Fig. 2, a kind of screened film, including off-style paper layer 1, conductive adhesive layer 2, fiber fabric layer 3, graphene layer 4, black
Color polyamides pressure amine film 5, mica paper 7, conductive adhesive layer 2 are coated in 3 lower surface of fiber fabric layer, 2 lower surface of conductive adhesive layer attach from
Type paper layer 1,3 upper surface of fiber fabric layer, which applies, sets graphene layer 4, and black polyamides pressure amine film 6 is pasted onto graphite by binding agent 5
On alkene layer 4,6 upper surface of black polyamides pressure amine film attaches mica paper 7, and mica paper 7 is so that screened film has good insulation
Performance.The graphene layer 4 refers to the graphene particles in the scattered braiding lines gap for being covered in fiber fabric layer 3, graphite
Alkene particle causes fiber fabric layer 3 to be provided with good electric conductivity, and 3 intensity of fiber fabric layer is high, and fatigue durability is good.Black
Polyamides pressure amine film 6 is bonded by the projection portion of binding agent 5 and fiber fabric layer 3, while binding agent 5 also bonds graphene
Grain, fixed graphene layer 4 so that fiber fabric layer 3, graphene layer 4, black polyamides pressure amine film 6 form one and firmly bond
It is whole.The thickness of the black polyamides pressure amine film 6 is 10-30 μm, and the thickness of the conductive adhesive layer 2 is 10-15 μm, the fiber
The thickness of tissue layer 3 is 50-150 μm, and the fiber fabric layer 3 is non-woven fabrics.
Embodiment 3
As shown in Fig. 2, a kind of screened film, including off-style paper layer 1, conductive adhesive layer 2, fiber fabric layer 3, graphene layer 4, black
Color polyamides pressure amine film 5, mica paper 7, flame retardant rubber layer 8, conductive adhesive layer 2 are coated in 3 lower surface of fiber fabric layer, conductive adhesive layer 2
Lower surface attaches off-style paper layer 1, and 3 upper surface of fiber fabric layer, which applies, sets graphene layer 4, and black polyamides pressure amine film 6 passes through bonding
Agent 5 is pasted onto on graphene layer 4, and 6 upper surface of black polyamides pressure amine film attaches flame retardant rubber layer 8, and flame retardant rubber layer 8 is not only
With good insulation performance, and with flame retardant property.The graphene layer 4 refers to disperse to be covered in fiber fabric layer 3
The graphene particles in lines gap are woven, graphene particles cause fiber fabric layer 3 to be provided with good electric conductivity, and fine
3 intensity of dimensional fabric layer is high, and fatigue durability is good.Black polyamides pressure amine film 6 passes through binding agent 5 and the projection portion of fiber fabric layer 3
It bonds, while binding agent 5 also bonds graphene particles, fixed graphene layer 4 so that fiber fabric layer 3, graphene layer 4, black
It is whole that polyamides pressure amine film 6 forms a firm bonding.The thickness of the black polyamides pressure amine film 6 is 10-30 μm, the conduction
The thickness of glue-line 2 is 10-15 μm, and the thickness of the fiber fabric layer 3 is 50-150 μm, and the fiber fabric layer 3 is carbon fiber
Tissue layer.
Above disclosed is only a kind of the utility model preferred embodiment, cannot limit this practicality with this certainly
New interest field, one of ordinary skill in the art will appreciate that realize all or part of flow of above-described embodiment, and according to
The equivalent variations that the utility model claims are made still fall within the scope that utility model is covered.
Claims (6)
1. a kind of screened film, it is characterized in that：Including off-style paper layer, conductive adhesive layer, fiber fabric layer, graphene layer, black polyamides
Amine film is pressed, conductive adhesive layer is coated in fiber fabric layer lower surface, and conductive adhesive layer lower surface attaches off-style paper layer, on fiber fabric layer
Surface, which applies, sets graphene layer, and black polyamides pressure amine film is pasted onto by binding agent on graphene layer.
2. screened film according to claim 1, it is characterized in that：The graphene layer refers to disperse to be covered in fiber fabric layer
Braiding lines gap in graphene particles.
3. screened film according to claim 1, it is characterized in that：The thickness of the black polyamides pressure amine film is 10-30 μm, institute
The thickness of conductive adhesive layer is stated as 10-15 μm, the thickness of the fiber fabric layer is 50-150 μm.
4. screened film according to claim 1, it is characterized in that：The fiber fabric layer is carbon fiber fabric plies or nonwoven
Cloth.
5. screened film according to claim 1, it is characterized in that：The black polyamides pressure amine film upper surface attaches mica paper.
6. screened film according to claim 1, it is characterized in that：The black polyamides pressure amine film upper surface attaches flame retardant rubber
Layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721248956.9U CN207443342U (en) | 2017-09-27 | 2017-09-27 | A kind of screened film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721248956.9U CN207443342U (en) | 2017-09-27 | 2017-09-27 | A kind of screened film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207443342U true CN207443342U (en) | 2018-06-01 |
Family
ID=62295310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721248956.9U Active CN207443342U (en) | 2017-09-27 | 2017-09-27 | A kind of screened film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207443342U (en) |
-
2017
- 2017-09-27 CN CN201721248956.9U patent/CN207443342U/en active Active
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