Flame-retardant release film

Abstract

The utility model relates to the technical field of release films, in particular to a flame-retardant release film which comprises a protective layer, a fireproof layer, a first flame-retardant layer, an anti-oxidation layer, an antistatic layer, a second flame-retardant layer, a base material layer, a pressure-sensitive adhesive layer and a release layer which are sequentially attached from top to bottom. According to the flame-retardant release film disclosed by the utility model, the fire-proof layer is arranged, so that the release film is not easy to burn under the condition of high temperature or direct contact with open fire, and the use safety of the release film is ensured; by arranging the two flame-retardant layers, the release film has good flame retardance, and the use safety of the release film is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of release film, specifically relates to a flame -retardant release film. BACKGROUND

[0002] Release film refers to the surface has the separability thin film, release film and specific material contact under the limited condition does not have the adhesion, or slight adhesion release film refers to the surface has the separability thin film, release film and specific material contact under the limited condition does not have the adhesion, or slight adhesion.

[0003] But the existing flame -retardant release film flame -retardant effect is poor and single structure, does not have the oxidation resistance, anti -static etc. SUMMARY

[0004] In order to overcome the shortcomings and insufficient in the prior art, the utility model discloses a kind of flame -retardant release film.

[0005] The utility model discloses a kind of flame -retardant release film, including from top to bottom sequentially arranged protective layer, fireproof layer, first flame -retardant layer, oxidation resistance layer, antistatic layer, second flame -retardant layer, substrate layer, pressure sensitive adhesive layer and release layer, the lower surface of protective layer is attached to the upper surface of fireproof layer, the upper surface and lower surface of first flame -retardant layer are attached to the lower surface of fireproof layer, the upper surface of oxidation resistance layer respectively, the lower surface of oxidation resistance layer is attached to the upper surface of antistatic layer, the upper surface and lower surface of second flame -retardant layer are attached to the lower surface of antistatic layer, the upper surface of substrate layer respectively, the lower surface of substrate layer and the upper surface of release layer are attached by pressure sensitive adhesive layer.

[0006] Further, the protective layer is glass fiber film.

[0007] Further, the fireproof layer is polyether ether ketone film.

[0008] Further, the first flame -retardant layer is aluminum hydroxide coating.

[0009] Further, the oxidation resistance layer is high-density polypropylene film.

[0010] Further, the antistatic layer is polycarbonate film.

[0011] Further, the second flame -retardant layer is zinc borate coating.

[0012] Further, the substrate layer is polyethylene terephthalate film.

[0013] Further, the pressure sensitive adhesive layer is acrylate pressure sensitive adhesive layer.

[0014] Further, the release layer is a polyethylene release film.

[0015] The flame-retardant release film has the advantages that: the protective layer can reduce damage to the release film and enhance the protection effect of the release film; the fireproof layer can prevent the release film from burning under high temperature or direct contact with an open flame, thereby ensuring the use safety of the release film; the double flame-retardant layers can improve the flame retardance of the release film and further improve the use safety of the release film; the antioxidant layer can slow down the oxidation speed of the release film in the air and prolong the service life of the release film; the antistatic layer can avoid potential hazards caused by static electricity and improve the antistatic performance of the release film; and the pressure-sensitive adhesive layer can make the release film more convenient and fast to adhere. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a partial sectional view of the utility model.

[0017] The reference signs are: the protective layer 1, the fireproof layer 2, the first flame-retardant layer 3, the antioxidant layer 4, the antistatic layer 5, the second flame-retardant layer 6, the base material layer 7, the pressure-sensitive adhesive layer 8 and the release layer 9. DETAILED DESCRIPTION

[0018] For the convenience of understanding of those skilled in the art, the following will be combined with the embodiments and the accompanying drawings to further explain the utility model. Figure 1 The utility model is further explained, and the content mentioned in the embodiments is not a limitation on the utility model.

[0019] See Figure 1 A flame-retardant release film comprises, from top to bottom, a protective layer 1, a fireproof layer 2, a first flame-retardant layer 3, an antioxidant layer 4, an antistatic layer 5, a second flame-retardant layer 6, a base material layer 7, a pressure-sensitive adhesive layer 8 and a release layer 9, the lower surface of the protective layer 1 is attached to the upper surface of the fireproof layer 2, the upper surface and the lower surface of the first flame-retardant layer 3 are attached to the lower surface of the fireproof layer 2 and the upper surface of the antioxidant layer 4 respectively, the lower surface of the antioxidant layer 4 is attached to the upper surface of the antistatic layer 5, the upper surface and the lower surface of the second flame-retardant layer 6 are attached to the lower surface of the antistatic layer 5 and the upper surface of the base material layer 7 respectively, and the lower surface of the base material layer 7 is attached to the upper surface of the release layer 9 through the pressure-sensitive adhesive layer 8.

[0020] The utility model discloses a flame -retardant release film can reduce the damage that release film received through setting protection layer 1, enhance the protection efficiency of release film, make release film not easy to burn under the condition of high temperature or direct contact with open flame through setting fireproof layer 2, guarantee the use safety of release film, make release film have good flame -retardant through setting double -layer flame -retardant layer, further improve the use safety of release film, slow down the oxidation speed of release film in air through setting oxidation -resistant layer 4, prolong the service life of release film, avoid the potential harm of static electricity through setting antistatic layer 5, strengthen the antistatic performance of release film, make the adhesion of release film more convenient and fast through setting pressure -sensitive adhesive layer 8, tear no glue residue.

[0021] In the embodiment, the protection layer 1 is a glass fiber film. The glass fiber film has high strength, good corrosion resistance and temperature resistance, can withstand high temperature environment without affecting its performance, and can protect the surface of the release film from erosion.

[0022] In the embodiment, the fireproof layer 2 is a polyether ether ketone film. The polyether ether ketone film has excellent high temperature resistance, it can maintain physical properties at a temperature as high as 250 degrees, and has excellent chemical stability and flame retardant performance, which can improve the use safety of the release film.

[0023] In the embodiment, the first flame-retardant layer 3 is an aluminum hydroxide coating. When the aluminum hydroxide coating is heated and decomposed, it can absorb a large amount of heat and cool down the release film. In addition, the newly generated aluminum oxide has high activity and can adsorb smoke particles, thereby playing a role in smoke suppression and effectively improving the flame retardance of the release film.

[0024] In the embodiment, the oxidation-resistant layer 4 is a high-density polypropylene film. The high-density polypropylene film can slow down the oxidation speed of the release film in air and prolong the service life of the release film.

[0025] In the embodiment, the antistatic layer 5 is a polycarbonate film. The polycarbonate film has good insulation and can effectively prevent the accumulation of static electricity and reduce the potential harm of static electricity.

[0026] In the embodiment, the second flame-retardant layer 6 is a zinc borate coating. The zinc borate coating will decompose and lose crystal water, which will absorb a large amount of heat and reduce the temperature of the burning surface, thereby playing a role in heat absorption and cooling. At the same time, the gas produced by decomposition dilutes the oxygen in the air, further slowing down the combustion reaction.

[0027] In the embodiment, the substrate layer 7 is a polyethylene terephthalate film. The polyethylene terephthalate film has high strength and certain flexibility, is easy to process, and is convenient for processing and shaping the release film.

[0028] In the embodiment, the pressure-sensitive adhesive layer 8 is an acrylate pressure-sensitive adhesive layer 8. The acrylate pressure-sensitive adhesive layer is arranged to make the adhesion of the release film more convenient and fast, and no glue residue is left after tearing.

[0029] In the embodiment, the release layer 9 is a polyethylene release film. The polyethylene release film is arranged to make the release film have good release effect.

[0030] The above embodiment is a preferred implementation scheme of the present application, in addition to this, the present application can be realized in other ways, under the premise of not departing from the concept of the present application, any obvious replacement is within the protection scope of the present application.

Claims

1. A flame-retardant release film characterized by: The fireproof layer, the first fire-retardant layer, the antioxidant layer, the antistatic layer, the second fire-retardant layer, the substrate layer, the pressure-sensitive adhesive layer and the release layer are sequentially arranged from top to bottom, the lower surface of the protective layer is attached to the upper surface of the fireproof layer, the upper surface and the lower surface of the first fire-retardant layer are respectively attached to the lower surface of the fireproof layer and the upper surface of the antioxidant layer, the lower surface of the antioxidant layer is attached to the upper surface of the antistatic layer, the upper surface and the lower surface of the second fire-retardant layer are respectively attached to the lower surface of the antistatic layer and the upper surface of the substrate layer, and the lower surface of the substrate layer is attached to the upper surface of the release layer through the pressure-sensitive adhesive layer.

2. The flame-retardant release film according to claim 1, characterized by: The protective layer is a glass fiber film.

3. The flame-retardant release film according to claim 1, characterized by: The fireproof layer is a polyether ether ketone film.

4. The flame-retardant release film according to claim 1, characterized by: The first fire-retardant layer is an aluminum hydroxide coating.

5. The flame-retardant release film according to claim 1, characterized by: The antioxidant layer is a high-density polypropylene film.

6. The flame-retardant release film according to claim 1, characterized by: The antistatic layer is a polycarbonate film.

7. The flame-retardant release film according to claim 1, wherein: The second fire-retardant layer is a zinc borate coating.

8. The flame-retardant release film according to claim 1, characterized by: The substrate layer is a polyethylene terephthalate film.

9. The flame-retardant release film according to claim 1, characterized by: The pressure-sensitive adhesive layer is an acrylate pressure-sensitive adhesive layer.

10. The flame-retardant release film according to claim 1, characterized by: The release layer is a polyethylene release film.

Images