CN214422553U - Red reinforcing film - Google Patents
Red reinforcing film Download PDFInfo
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- CN214422553U CN214422553U CN202022529854.2U CN202022529854U CN214422553U CN 214422553 U CN214422553 U CN 214422553U CN 202022529854 U CN202022529854 U CN 202022529854U CN 214422553 U CN214422553 U CN 214422553U
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Abstract
The utility model provides a red reinforcement membrane, include from type layer, at least one deck polyimide film and at least one deck red glue film, polyimide film with red glue film is range upon range of setting in turn, from the type layer with polyimide film passes through state red glue film and bond. The problems of high cost, unadjustable hardness and strength, poor smoothness and single color of a single-layer red polyimide reinforcing film can be solved. The thickness and color of the polyimide film and the glue layer can be adjusted according to the requirements of the hardness, strength and chromaticity of the reinforced film, and the required red reinforced film product can be made.
Description
Technical Field
The utility model relates to a film technology field especially relates to a special red reinforcement membrane.
Background
The red reinforcing film used by the existing FPC board mainly takes a red polyimide film as a base material, epoxy resin or acrylic resin is coated as an adhesive, release paper or a release film is used for surface protection, and the red reinforcing film is mainly applied to the surface of the FPC board with special requirements on color to reinforce the strength and hardness of the FPC board and plays roles of reinforcing and supporting. However, the single-layer red polyimide reinforcing film has the disadvantages of high cost, unadjustable hardness and strength, poor smoothness and single color, and cannot meet the requirements of customers.
Therefore, it is necessary to develop a special red reinforcing film.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention has been made to provide a red reinforcing film that overcomes or at least partially solves the above problems.
In order to solve the problem, the utility model discloses a red reinforcement membrane, include from type layer, at least one deck polyimide film and at least one deck red glue film, polyimide film with red glue film stacks up the setting in turn, from the type layer with polyimide film passes through state red glue film and bond.
Further, the red glue layer is made of epoxy glue or acrylic glue.
Furthermore, a red pigment is added into the red glue layer.
Further, the thickness of the polyimide film is 12.5-75 μm.
Furthermore, the glue thickness of the red glue layer is 12-50 microns.
Further, at least two polyimide films with different hardness, different strength and different red shade degrees and red glue layers are alternately stacked.
Further, the release layer is a release film or release paper.
The utility model discloses a following advantage: the problems of high cost, unadjustable hardness and strength, poor smoothness and single color of a single-layer red polyimide reinforcing film can be solved. And adjusting the thickness and color of the polyimide film and the glue layer according to the requirements of the hardness, strength and chromaticity of the required reinforced film to obtain the required red reinforced film product.
Drawings
Fig. 1 is a schematic structural view of a red reinforcing film in an embodiment of the present invention;
fig. 2 is a schematic structural view of a red reinforcing film according to another embodiment of the present invention;
fig. 3 is a schematic structural view of a red reinforcing film according to another embodiment of the present invention.
1 polyimide film, 2 red glue layers and 3 release layers.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
One of the core ideas of the utility model lies in that a red reinforcement membrane is provided, include from type layer 3, at least one deck polyimide film 1 and at least one deck red glue film 2, polyimide film 1 with red glue film 2 is range upon range of setting in turn, from the type film with polyimide film 1 passes through state red glue film 2 bonds. The problems of high cost, unadjustable hardness and strength, poor smoothness and single color of a single-layer red polyimide reinforcing film can be solved. And adjusting the thickness and color of the polyimide film 1 and the glue layer according to the requirements of the hardness, strength and chromaticity of the reinforced film to obtain the required red reinforced film product.
Referring to fig. 1-3, a red reinforcement film of the present invention is shown, which may specifically include: release layer 3, at least one deck polyimide film 1 and at least one deck red glue film 2, polyimide film 1 with red glue film 2 is the range upon range of setting in turn, release the membrane with polyimide film 1 passes through it bonds to state red glue film 2. Specifically, the red reinforcing film comprises a PI film (polyimide film 1), a red glue layer 2 and a release layer 3, wherein the red glue layer 2 is coated on the outer surface of the PI film, and the release layer 3 is adhered to the red glue layer 2; the PI film and the red glue layer 2 can be repeatedly adhered by a single layer or a plurality of layers, and the last layer is adhered with a release layer 3.
Referring to fig. 1, a red reinforcement film in an embodiment of the present invention is shown, including a release layer 3, a polyimide film 1 and a red glue layer 2, the release film is adhered to the polyimide film 1 through the red glue layer 2.
Referring to fig. 2, a red reinforcement film in another embodiment of the present invention is shown, including a release layer 3, two layers of polyimide films 1 and two red glue layers 2, the polyimide films 1 and the red glue layers 2 are stacked in turn, the release film and the polyimide films 1 are bonded through the red glue layers 2.
Referring to fig. 3, a red reinforcement film in another embodiment of the present invention is shown, including a release layer 3, a three-layer polyimide film 1 and three red glue layers 2, the polyimide film 1 and the red glue layers 2 are stacked in turn in sequence, the release film and the polyimide film 1 are bonded through the red glue layers 2.
In the present embodiment, the red glue layer 2 is made of epoxy or acrylic glue. Red glue film 2 in this application has higher intensity, shock-resistant, weather resistance is good, can oil level bond, convenient to use, shock resistance and shearing force advantage such as strong.
In this embodiment, a red pigment is added to the red glue layer 2. The red glue layer 2 is made of epoxy or acrylic glue and red pigment, and has the characteristics of high temperature resistance and insulation.
In the present embodiment, the thickness of the polyimide film 1 is 12.5 to 75 μm.
In this embodiment, the thickness of the red glue layer 2 is 12 to 50 μm. The glue thickness of the red glue layer 2 is 12-50 mu m, the thickness of the PI film and the red glue layer 2 can be selected according to the required hardness, strength and chromaticity requirements, and the PI film and the red glue layer 2 can be adhered in a multi-layer mode to achieve the effect of a red reinforcing film.
In one embodiment, the thickness of the polyimide film 1 is 12.5 μm, and the thickness of the red glue layer 2 is 12 μm.
In one embodiment, the thickness of the polyimide film 1 is 75 μm, and the thickness of the red glue layer 2 is 50 μm.
In the present embodiment, at least two polyimide films 1 and red glue layers 2 with different hardness, different strength and different red shade are alternately stacked. The PI film and the red glue layer 2 can be made into different thicknesses and red shades, so that different hardness and strength are achieved, and the requirements of different red shades are met.
In this embodiment, the release layer 3 is a release film or a release paper.
Compared with the prior art, the utility model beneficial effect be: the problems of high cost, unadjustable hardness and strength, poor smoothness and single color of a single-layer red polyimide reinforcing film are solved. And adjusting the thickness and the color of the PI film and the glue layer according to the requirements of the hardness, the strength and the chromaticity of the required reinforced film to obtain the required red reinforced film product.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The red reinforcing film provided by the present invention is introduced in detail, and the principle and the implementation of the present invention are explained by using specific examples, and the descriptions of the above examples are only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (6)
1. The red reinforcing film is characterized by comprising a release layer, at least one polyimide film and at least one red glue layer, wherein the polyimide film and the red glue layer are alternately stacked, and the release layer is adhered to the polyimide film through the red glue layer.
2. The red reinforcement film of claim 1, wherein the red glue layer is comprised of epoxy or acrylic glue.
3. The red reinforcing film according to claim 1, wherein the thickness of the polyimide film is 12.5 to 75 μm.
4. The red reinforcing film of claim 1, wherein the red glue layer has a glue thickness of 12-50 μm.
5. The red reinforcement film of claim 1, wherein at least two of the polyimide films having different hardness, different strength, and different shades of red are alternately laminated to one another.
6. The red reinforcing film according to claim 1, wherein the release layer is provided as a release film or a release paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022529854.2U CN214422553U (en) | 2020-11-04 | 2020-11-04 | Red reinforcing film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022529854.2U CN214422553U (en) | 2020-11-04 | 2020-11-04 | Red reinforcing film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214422553U true CN214422553U (en) | 2021-10-19 |
Family
ID=78059522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022529854.2U Active CN214422553U (en) | 2020-11-04 | 2020-11-04 | Red reinforcing film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214422553U (en) |
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2020
- 2020-11-04 CN CN202022529854.2U patent/CN214422553U/en active Active
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