CN218435579U - Release film with flame retardant function - Google Patents
Release film with flame retardant function Download PDFInfo
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- CN218435579U CN218435579U CN202221873421.1U CN202221873421U CN218435579U CN 218435579 U CN218435579 U CN 218435579U CN 202221873421 U CN202221873421 U CN 202221873421U CN 218435579 U CN218435579 U CN 218435579U
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- retardant
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Abstract
The utility model relates to a from type membrane technical field, disclose a from type membrane with fire-retardant function, basic unit is from the type membrane through first adhesion layer and upper protective film adhesion, basic unit is from the type membrane through second adhesion layer and lower floor offset printing membrane adhesion, the inboard tie of frame on reticulation layer has fire-retardant glue film, and the upper portion terminal surface adhesion on reticulation layer even has anti top layer of scraping, the lower part terminal surface adhesion on reticulation layer has fire-retardant inlayer. The utility model discloses an anti protection of scraping on upper protection film anti-scratch surface layer and the netted protection on reticulation layer have good anti protective properties of scraping, can reduce the external damage condition of scraping and rubbing and leading to, simultaneously through good water base emulsion, the nontoxic incombustibility of the fire-retardant glue film of waterborne pressure sensitive adhesive form to and under the fire-retardant protection of the fire-retardant inlayer of halogen-free fire-retardant PC film form, can strengthen high temperature resistant, the fire behaviour from the type membrane.
Description
Technical Field
The utility model relates to a from type membrane technical field, specifically be a from type membrane with fire-retardant function.
Background
The release film is a film with differentiated film surface energy, has no viscosity or slight viscosity after being contacted with a specific material under limited conditions, is widely applied in the industries of electronics, automobile foam and printing, mainly has the functions of isolation, filling, protection and easy peeling, and is applied to the fields of base materials in the label and adhesive tape industry, tape casting process carrier tape application of high polymer materials, photoelectric die cutting and punching industry application, lamination process application in various multilayer printed circuit board industries, production application of cover films and pure adhesive films and the like, and particularly is essential to the label and adhesive tape industry.
However, the existing release film used in the label and tape industry is very easy to melt and spontaneously combust due to high temperature in the using process, so that the service performance and the service life of the release film are reduced, and even fire accidents are caused. Accordingly, a release film having a flame retardant function is provided by those skilled in the art to solve the problems set forth in the background art described above.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a from type membrane with fire-retardant function to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a from type membrane with fire-retardant function, includes that basic unit leaves type membrane, basic unit leaves the top coating of type membrane and has first adhesion layer, and basic unit leaves type membrane and passes through first adhesion layer and upper protective film adhesion, basic unit leaves the below coating of type membrane and has second adhesion layer, and basic unit leaves type membrane and passes through second adhesion layer and lower floor's offset printing membrane adhesion.
As the utility model discloses further scheme again: the upper surface of basic unit from the type membrane is provided with first corona layer, and the lower surface of basic unit from the type membrane is provided with second corona layer, first corona layer is 2 mu m ~4 mu m with the thickness on second corona layer.
As a further aspect of the present invention: the upper protection film comprises a reticulate pattern layer, a flame-retardant adhesive layer is flatly laid on the inner side of the frame of the reticulate pattern layer, the upper end face of the reticulate pattern layer is adhered with a scratch-resistant surface layer, and the lower end face of the reticulate pattern layer is adhered with a flame-retardant inner layer.
As a further aspect of the present invention: the reticulate pattern layer is of a square frame-shaped grid structure.
As a further aspect of the present invention: the flame-retardant adhesive layer is a water-based pressure-sensitive adhesive, and the coating thickness of the flame-retardant adhesive layer is the same as the height of the screen frame of the reticulate pattern layer.
As a further aspect of the present invention: the scratch-resistant surface layer is a bopp film, and the flame-retardant inner layer is a halogen-free flame-retardant PC film.
As a further aspect of the present invention: the release film of the base layer is a flame-retardant polyester film, and the lower offset printing film is a polyimide film.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses an anti protection of scraping on anti scraping on scraping top layer in upper protection film and reticulation layer's netted protection, have good anti protective properties of scraping, can reduce the external damage condition of scraping and leading to of cutting to the piece, simultaneously through the good water base emulsion of the fire-retardant glue film of waterborne pressure sensitive adhesive form, nontoxic incombustible performance, and under the fire-retardant protection of the fire-retardant inlayer of halogen-free fire-retardant PC film form, can strengthen the high temperature resistant of type membrane, fire behaviour, then under the fire-retardant characteristic protection of the lower floor's seal membrane of type membrane and polyimide film form is left in the basic unit of fire-retardant polyester film form, can improve the fire behaviour from the type membrane once more.
Drawings
FIG. 1 is a schematic structural diagram of a release film with flame retardant function;
FIG. 2 is a schematic structural diagram of an upper protective film in a release film with a flame retardant function;
fig. 3 is a schematic structural view of a release film with a flame retardant function, which is the mesh layer in fig. 2.
In the figure: 1. a base release film; 2. an upper protective film; 21. a reticulate pattern layer; 22. a scratch-resistant surface layer; 23. a flame retardant inner layer; 24. a flame-retardant adhesive layer; 3. a lower layer of an offset printing film; 4. a first corona layer; 5. a first adhesive layer; 6. a second corona layer; 7. and a second adhesive layer.
Detailed Description
Please refer to fig. 1-3, in the embodiment of the present invention, a release film with flame retardant function, including the basic unit release film 1, the basic unit has first adhesion layer 5 coated on the top of release film 1, and the basic unit release film 1 adheres with upper protection film 2 through first adhesion layer 5, the basic unit has second adhesion layer 7 coated on the bottom of release film 1, and the basic unit release film 1 adheres with lower floor's offset printing film 3 through second adhesion layer 7, the basic unit release film 1's upper surface is provided with first corona layer 4, and the basic unit release film 1's lower surface is provided with second corona layer 6, first corona layer 4 is 2 μm ~4 μm with the thickness of second corona layer 6, to in the release film production process, through form first corona layer 4 and second corona layer 6 at the basic unit release film 1 up-down terminal surface, can make first adhesion layer 5 and second adhesion layer 7 better with basic unit release film 1 adhesion, then make upper protection film 2 and lower floor's offset printing film 3 better and base adhesion form as an organic whole.
The basic unit is from type membrane 1 for fire-retardant polyester film, and lower floor's offset printing membrane 3 is the polyimide film, is from type membrane use in-process, and fire-retardant polyester film form's basic unit is from type membrane 1 self-contained fire behaviour, then under polyimide film form lower floor's offset printing membrane 3's combination, can make up with upper protection film 2 jointly to improve the fire behaviour from type membrane.
The upper layer protection film 2 comprises a reticulate pattern layer 21, the reticulate pattern layer 21 is of a square grid-shaped structure, in the production process of the upper layer protection film 2, the reticulate pattern layer 21 of the square grid-shaped structure can serve as a base body of the upper layer protection film 2, on one hand, the tensile property and the stability of the whole structure of the upper layer protection film 2 can be improved, on the other hand, the reticulate pattern layer can be combined with the scratch-resistant surface layer 22, and the scratch-resistant performance of the outer surface layer of the upper layer protection film 2 is improved.
The flame-retardant adhesive layer 24 is flatly laid on the inner side of the framework of the reticulate pattern layer 21, the flame-retardant adhesive layer 24 is a water-based pressure-sensitive adhesive, the coating thickness of the flame-retardant adhesive layer 24 is the same as the height of a net frame of the reticulate pattern layer 21, the flame-retardant adhesive layer 24 is coated inside the net grid of the reticulate pattern layer 21 in the production process of the upper-layer protective film 2, on one hand, the scratch-resistant surface layer 22, the flame-retardant inner layer 23 and the reticulate pattern layer 21 can be adhered into a whole, on the other hand, the flame-retardant adhesive layer 24 in the form of the water-based pressure-sensitive adhesive has good water-based emulsion, non-toxic and non-combustible properties, and the flame retardant property of the release film can be improved.
The upper end face of the reticulate pattern layer 21 is adhered with the scratch-resistant surface layer 22, the lower end face of the reticulate pattern layer 21 is adhered with the flame-retardant inner layer 23, the scratch-resistant surface layer 22 is a bopp film, the flame-retardant inner layer 23 is a halogen-free flame-retardant PC film, in the production process of the upper-layer protective film 2, the scratch-resistant surface layer 22 in the form of the outer-layer bopp film of the upper-layer protective film 2 has good scratch-resistant protective performance, can be combined with the reticulate pattern layer 21 together, the scratch-resistant performance of the release film is improved, the flame-retardant inner layer 23 in the form of the halogen-free flame-retardant PC film of the inner layer of the upper-layer protective film 2 has good smoke-free and flame-retardant performances, and the flame-retardant performance of the integral structure of the reinforced release film can be improved.
The utility model discloses a theory of operation is: in the use process of the release film, the grid layer 21 of the square grid-shaped structure in the upper protective film 2 can be used as a substrate of the upper protective film 2, on one hand, the tensile property and the stability of the whole structure of the upper protective film 2 can be improved, on the other hand, the grid layer 21 can be combined with the scratch-resistant surface layer 22, the scratch-resistant performance of the outer surface layer of the upper protective film 2 can be improved, on the other hand, the scratch-resistant surface layer 22, the flame-retardant inner layer 23 and the grid layer 21 can be adhered into an integrated form by coating the flame-retardant adhesive layer 24 inside the grid of the grid layer 21, on the other hand, the flame-retardant adhesive layer 24 in the form of the aqueous pressure-sensitive adhesive has good water-based emulsion and non-toxic and non-combustible performance, the flame-retardant performance of the release film can be improved, the scratch-resistant surface layer 22 in the form of the outer bopp film of the upper protective film 2 has good scratch-resistant protective performance, the flame-retardant inner layer 23 in the form of the inner layer of the upper protective film 2 has good flame-retardant and smokeless performance, the flame-retardant protective film can be improved by combining the upper protective film with the common flame-retardant polyester film in the form of the lower flame-retardant adhesive layer 3.
The above-mentioned, only be the embodiment of the preferred of the present invention, nevertheless the utility model discloses a protection scope is not limited to this, and any technical personnel familiar with this technical field is in the technical scope of the utility model discloses an according to the utility model discloses a technical scheme and utility model design in addition the replacement of equality or change, all should be covered within the protection scope of the utility model.
Claims (7)
1. The utility model provides a from type membrane with fire-retardant function, includes that basic unit leaves type membrane (1), its characterized in that, the top coating that basic unit left type membrane (1) has first adhesion layer (5), and basic unit leaves type membrane (1) through first adhesion layer (5) and upper protection film (2) adhesion, the below coating that basic unit left type membrane (1) has second adhesion layer (7), and basic unit leaves type membrane (1) through second adhesion layer (7) and lower floor's offset printing membrane (3) adhesion.
2. The release film with the flame retardant function according to claim 1, wherein the upper surface of the base release film (1) is provided with a first corona layer (4), the lower surface of the base release film (1) is provided with a second corona layer (6), and the thicknesses of the first corona layer (4) and the second corona layer (6) are both 2 μm to 4 μm.
3. The release film with flame retardant function according to claim 1, wherein the upper protective film (2) comprises a mesh layer (21), a flame retardant glue layer (24) is flatly laid on the inner side of the frame of the mesh layer (21), a scratch resistant surface layer (22) is adhered to the upper end face of the mesh layer (21), and a flame retardant inner layer (23) is adhered to the lower end face of the mesh layer (21).
4. The release film with flame retardant function of claim 3, wherein the reticulate pattern layer (21) is of a square frame grid structure.
5. The release film with flame retardant function according to claim 3, wherein the flame retardant adhesive layer (24) is an aqueous pressure sensitive adhesive, and the thickness of the flame retardant adhesive layer (24) is the same as the frame height of the reticulate pattern layer (21).
6. The release film with flame retardant function according to claim 3, wherein the scratch resistant surface layer (22) is a bopp film, and the flame retardant inner layer (23) is a halogen-free flame retardant PC film.
7. The release film with flame retardant function according to claim 1, wherein the base release film (1) is a flame retardant polyester film, and the lower offset film (3) is a polyimide film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221873421.1U CN218435579U (en) | 2022-07-20 | 2022-07-20 | Release film with flame retardant function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221873421.1U CN218435579U (en) | 2022-07-20 | 2022-07-20 | Release film with flame retardant function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218435579U true CN218435579U (en) | 2023-02-03 |
Family
ID=85091683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221873421.1U Active CN218435579U (en) | 2022-07-20 | 2022-07-20 | Release film with flame retardant function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218435579U (en) |
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2022
- 2022-07-20 CN CN202221873421.1U patent/CN218435579U/en active Active
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