CN211363791U - PET thermal viscosity reduction double-layer protective film - Google Patents
PET thermal viscosity reduction double-layer protective film Download PDFInfo
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- CN211363791U CN211363791U CN201921534359.1U CN201921534359U CN211363791U CN 211363791 U CN211363791 U CN 211363791U CN 201921534359 U CN201921534359 U CN 201921534359U CN 211363791 U CN211363791 U CN 211363791U
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Abstract
The utility model discloses a PET thermal visbreaking double-layer protection film, include: the adhesive layer comprises a first PET film layer, a second PET film layer, a first thermal viscosity-reducing adhesive layer, a second thermal viscosity-reducing adhesive layer, a first release paper layer and a second release paper layer, and is characterized in that the first PET film layer and the second PET film layer are mutually attached through the adhesive layer, the first thermal viscosity-reducing adhesive layer is arranged on one side of the first PET film layer, and the second thermal viscosity-reducing adhesive layer is arranged on one side of the second PET film layer; one side of the first thermal viscosity-reducing adhesive layer is provided with a first release paper layer, and one side of the second thermal viscosity-reducing adhesive layer is provided with a second release paper layer. The utility model provides a PET thermal visbreaking double-layer protection film simple structure is reasonable, has the thermal visbreaking of surface effect, and introduces the thermal visbreaking glue film, designs into the bilayer structure of PET membrane, has increased intensity, and is more resistant to scrape the flower, and convenient the change has prolonged the life and the durability of whole protection film, possesses bigger market space and economic benefits in the aspect of the PET protection film.
Description
Technical Field
The utility model relates to a PET protection film technical field specifically, relates to a PET thermal visbreaking double-layer protection film.
Background
PET film named againHigh temperatureA polyester film. It has excellent physical and chemical properties, size stability, transparency and recoverability, and may be used widely in magnetic record, photosensitive material, electronic and electric insulator,Industrial processThe fields of film, package decoration, screen protection, optical-grade mirror surface protection and the like.
The PET protection film on the general market is single-layer structure, does not have the bilayer structure of introducing the heat visbreaking glue layer yet, can not play fine heat visbreaking effect, and life is short.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a PET thermal visbreaking double-layer protection film improves individual layer PET protection film structure, makes on its basis that has improved the thermal visbreaking effect, has prolonged the life and the durability of whole protection film again.
In order to achieve the above object, the utility model provides a PET thermal visbreaking double-layer protection film, include: the adhesive layer comprises a first PET film layer, a second PET film layer, a first thermal viscosity-reducing adhesive layer, a second thermal viscosity-reducing adhesive layer, a first release paper layer and a second release paper layer, and is characterized in that the first PET film layer and the second PET film layer are mutually attached through the adhesive layer, the first thermal viscosity-reducing adhesive layer is arranged on one side of the first PET film layer, and the second thermal viscosity-reducing adhesive layer is arranged on one side of the second PET film layer; one side of the first thermal viscosity-reducing adhesive layer is provided with a first release paper layer, and one side of the second thermal viscosity-reducing adhesive layer is provided with a second release paper layer.
Wherein the thickness ratio of the first PET film layer to the second PET film layer is: 1-2: 1.
Further, the thickness ratio of the first PET film layer to the second PET film layer is: 1:1.
Wherein, the bonding layer is an acrylic acid glue layer.
Wherein the thickness of the acrylic glue layer is 15 mu m.
Wherein, the thermal viscosity reduction adhesive layer is a thermal sensitive adhesive material.
Wherein the thickness of the thermal viscosity reduction adhesive layer is 10-15 μm.
Wherein the thicknesses of the first PET film layer and the second PET film layer are both 200 mu m.
The utility model has the advantages as follows:
the utility model provides a PET thermal visbreaking double-layer protection film, simple structure is reasonable, has the thermal visbreaking of surface effect, and introduces the thermal visbreaking glue film, designs into the bilayer structure of PET membrane, has increased intensity, and is more resistant to scrape the flower, and convenient the change has prolonged the life and the durability of whole protection film, possesses bigger market space and economic benefits in the aspect of the PET protection film.
Drawings
Fig. 1 is a schematic structural diagram of a PET thermal viscosity reduction double-layer protective film provided by the present invention. Wherein: tie coat 1, first PET rete 2, second PET rete 3, first thermal viscosity reduction glue film 4, second thermal viscosity reduction glue film 5, first from type paper layer 6, the second is from type paper layer 7.
Detailed Description
The present invention will be described in further detail below with reference to the accompanying drawings by way of examples, which are illustrative of the present invention and are not limited to the following examples.
The materials used in the utility model are conventional materials in the field.
The utility model provides a pair of PET heat visbreaking double-layer protection film as shown in figure 1 includes: the method comprises the following steps: the adhesive layer comprises an adhesive layer 1, a first PET film layer 2, a second PET film layer 3, a first thermal viscosity reduction adhesive layer 4, a second thermal viscosity reduction adhesive layer 5, a first release paper layer 6 and a second release paper layer 7; the first PET film layer 2 and the second PET film layer 3 are mutually attached through the bonding layer 1, a first thermal viscosity reducing adhesive layer 4 is arranged on one side of the first PET film layer 2, and a second thermal viscosity reducing adhesive layer 5 is arranged on one side of the second PET film layer 3; one side of the first thermal viscosity-reducing adhesive layer 4 is provided with a first release paper layer 6, and one side of the second thermal viscosity-reducing adhesive layer 5 is provided with a second release paper layer 7.
Wherein, the thickness ratio of the first PET film layer 2 to the second PET film layer 3 is: 1-2: 1. Preferably 1: 1. More preferably, the thickness of the first PET film layer 2 and the second PET film layer 3 is 200 μm.
Wherein, the bonding layer 1 is an acrylic adhesive layer. The thickness was 15 μm.
Wherein, the thermal viscosity reduction adhesive layer is a thermal sensitive adhesive material. The thickness is 10 to 15 μm. The adhesive has ultrahigh viscosity before being heated, and the viscosity is rapidly reduced after being heated, so that the adhesive is convenient to tear off when being replaced.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention, therefore: all equivalent changes or simple changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. A PET thermal de-bonding bilayer protective film comprising: the adhesive layer comprises a first PET film layer, a second PET film layer, a first thermal viscosity-reducing adhesive layer, a second thermal viscosity-reducing adhesive layer, a first release paper layer and a second release paper layer, and is characterized in that the first PET film layer and the second PET film layer are mutually attached through the adhesive layer, the first thermal viscosity-reducing adhesive layer is arranged on one side of the first PET film layer, and the second thermal viscosity-reducing adhesive layer is arranged on one side of the second PET film layer; one side of the first thermal viscosity-reducing adhesive layer is provided with a first release paper layer, and one side of the second thermal viscosity-reducing adhesive layer is provided with a second release paper layer.
2. The PET thermal-adhesion-reduction double-layer protective film according to claim 1, wherein the thickness ratio of the first PET film layer to the second PET film layer is: (1-2) 1.
3. The PET thermal-adhesion-reduction double-layer protective film according to claim 2, wherein the thickness ratio of the first PET film layer to the second PET film layer is: 1:1.
4. The PET thermal adhesion reduction double layer protective film according to claim 1, wherein the adhesive layer is an acrylic adhesive layer.
5. The PET thermal adhesion reduction double layer protective film according to claim 4, wherein the thickness of the acrylic adhesive layer is 15 μm.
6. The PET thermal de-bonding double-layer protective film according to claim 1, wherein the thermal de-bonding adhesive layer is a heat sensitive adhesive material.
7. The PET thermal-thinning double-layer protective film according to claim 1 or 6, wherein the thickness of the thermal-thinning adhesive layer is 10-15 μm.
8. The PET thermal adhesion reduction double layer protective film according to claim 3, wherein the first PET film layer and the second PET film layer each have a thickness of 200 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921534359.1U CN211363791U (en) | 2019-09-16 | 2019-09-16 | PET thermal viscosity reduction double-layer protective film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921534359.1U CN211363791U (en) | 2019-09-16 | 2019-09-16 | PET thermal viscosity reduction double-layer protective film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211363791U true CN211363791U (en) | 2020-08-28 |
Family
ID=72168721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921534359.1U Active CN211363791U (en) | 2019-09-16 | 2019-09-16 | PET thermal viscosity reduction double-layer protective film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211363791U (en) |
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2019
- 2019-09-16 CN CN201921534359.1U patent/CN211363791U/en active Active
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