CN210652199U - Polyester film with high heat resistance - Google Patents
Polyester film with high heat resistance Download PDFInfo
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- CN210652199U CN210652199U CN201921243036.7U CN201921243036U CN210652199U CN 210652199 U CN210652199 U CN 210652199U CN 201921243036 U CN201921243036 U CN 201921243036U CN 210652199 U CN210652199 U CN 210652199U
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Abstract
The utility model relates to a polyester film that heat resistance is strong, including polyethylene terephthalate layer, heat-resistant layer, anti-tear layer and protective layer, the upper end on polyethylene terephthalate layer is connected to heat-resistant layer lower extreme, and the upper end at the heat-resistant layer is connected on anti-tear layer by anti-tear layer, and the upper end on anti-tear layer is connected to the protective layer lower extreme, and the material of heat-resistant layer is polypropylene, and the material of protective layer is polyurethane resin. The utility model discloses simple structure utilizes the high heat resistance of polypropylene can effectual improvement polyester film's heat resistance, and the effect is showing, and the effectual market application who enlarges polyester film has guaranteed polyester film's production economic benefits.
Description
Technical Field
The utility model belongs to the technical field of the polyester film, concretely relates to polyester film that heat resistance is strong.
Background
The polyester film is a film material which is prepared by taking polyethylene terephthalate as a raw material, adopting an extrusion method to prepare a thick sheet and then carrying out biaxial tension, wherein the material is usually applied to the glass fiber reinforced plastic industry, the building material industry, the optical industry, the printing industry, the medical and health industry and the like, but the heat resistance of the polyester film on the market at present is generally low, and the polyester film often cannot meet the standard requirements in the industries with high temperature conditions, such as the building industry, the glass fiber reinforced plastic industry and the like, so that the market application field of the polyester film is greatly influenced, the limitation is increased, and the production economic benefit of the polyester film is reduced.
Disclosure of Invention
The utility model aims at solving the above defect, a polyester film that heat resistance is strong is provided.
In order to overcome the defect that exists among the background art, the utility model provides a technical scheme that its technical problem adopted is: the utility model provides a polyester film that heat resistance is strong, includes polyethylene terephthalate layer, heat-resistant layer, anti-tear layer and protective layer, the upper end on polyethylene terephthalate layer is connected to the heat-resistant layer lower extreme, the upper end on heat-resistant layer is connected to the anti-tear layer, the upper end on anti-tear layer is connected to the protective layer lower extreme.
In a preferred embodiment of the present invention, the material of the heat-resistant layer is polypropylene. The material has strong heat resistance, the thermal deformation temperature is 100-105 ℃, the material can be used for a long time at the temperature of more than 100 ℃, and the effect is obvious.
In a preferred embodiment of the present invention, the material of the protective layer is polyurethane resin. The material has the characteristics of high strength, good wear resistance and the like, can effectively protect the surface of the polyester film, prolongs the service cycle of the polyester film and has obvious effect.
The utility model has the advantages that: the heat-resistant polypropylene film has the advantages that the structure is simple, the heat resistance of the polyester film can be effectively improved by utilizing the high heat resistance of polypropylene, the effect is obvious, the market application field of the polyester film is effectively enlarged, and the production economic benefit of the polyester film is ensured.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
As shown in fig. 1, the polyester film with high heat resistance comprises a polyethylene terephthalate layer 1, a heat-resistant layer 2, an anti-tear layer 3 and a protective layer 4, wherein the lower end of the heat-resistant layer 2 is connected to the upper end of the polyethylene terephthalate layer 1, the anti-tear layer 3 is connected to the upper end of the heat-resistant layer 2, and the lower end of the protective layer 4 is connected to the upper end of the anti-tear layer 3.
In a preferred embodiment of the present invention, the material of the heat-resistant layer 2 is polypropylene. The material has strong heat resistance, the thermal deformation temperature is 100-105 ℃, the material can be used for a long time at the temperature of more than 100 ℃, and the effect is obvious.
In a preferred embodiment of the present invention, the material of the protective layer 4 is polyurethane resin. The material has the characteristics of high strength, good wear resistance and the like, can effectively protect the surface of the polyester film, prolongs the service cycle of the polyester film and has obvious effect.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (3)
1. A polyester film with strong heat resistance is characterized in that: including polyethylene terephthalate layer, heat-resistant layer, anti-tear layer and protective layer, the upper end on polyethylene terephthalate layer is connected to the heat-resistant layer lower extreme, the upper end on heat-resistant layer is connected on anti-tear layer, the upper end on anti-tear layer is connected to the protective layer lower extreme.
2. The polyester film having high heat resistance according to claim 1, wherein: the heat-resistant layer is made of polypropylene.
3. The polyester film having high heat resistance according to claim 1, wherein: the protective layer is made of polyurethane resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921243036.7U CN210652199U (en) | 2019-08-02 | 2019-08-02 | Polyester film with high heat resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921243036.7U CN210652199U (en) | 2019-08-02 | 2019-08-02 | Polyester film with high heat resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210652199U true CN210652199U (en) | 2020-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921243036.7U Active CN210652199U (en) | 2019-08-02 | 2019-08-02 | Polyester film with high heat resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210652199U (en) |
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2019
- 2019-08-02 CN CN201921243036.7U patent/CN210652199U/en active Active
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