CN212770538U - TPU protection film - Google Patents
TPU protection film Download PDFInfo
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- CN212770538U CN212770538U CN202020362160.1U CN202020362160U CN212770538U CN 212770538 U CN212770538 U CN 212770538U CN 202020362160 U CN202020362160 U CN 202020362160U CN 212770538 U CN212770538 U CN 212770538U
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Abstract
The utility model discloses a TPU protective film, which comprises a thermal insulation layer, a substrate layer and an anti-fouling functional protective layer of silicon dioxide hollow microspheres from bottom to top in sequence; wherein, the substrate layer is a TPU film. The utility model provides a TPU protection film has anti-infrared, anti ultraviolet, thermal-insulated, anti-soil function to simple structure, processing cost are low.
Description
Technical Field
The utility model belongs to for military use, civilian TPU protecting film especially relates to a TPU protection film.
Background
Because the TPU material has good mechanical strength, oil resistance, acid and alkali resistance, wear resistance, heat resistance and chemical resistance, the TPU material is generally accepted in China, and the phenomenon that the TPU material replaces the PVC material gradually appears in the field of the protective film; the existing TPU protective film has a single function, lacks a TPU protective film with an infrared-proof function in military use, and lacks a TPU protective film with infrared and ultraviolet ageing resistance in civil use.
SUMMERY OF THE UTILITY MODEL
For solving foretell technical problem, the utility model provides a TPU protection film, this protection film have prevent infrared, anti ultraviolet, thermal-insulated, anti-soil function to simple structure, processing cost are low.
In order to solve the above problem, the technical scheme of the utility model is that:
the TPU protective film comprises a heat insulation layer, a base material layer and an anti-fouling functional protective layer of silicon dioxide hollow microspheres from bottom to top in sequence; the base material layer is a TPU film added with cesium tungsten bronze, tin antimony oxide and an ultraviolet absorbent, wherein the addition ratio of the cesium tungsten bronze is 0.2-0.7 wt%, the addition ratio of the tin antimony oxide is 0.4-0.8 wt%, and the addition ratio of the ultraviolet absorbent is 0.1-1 wt%.
Preferably, the lower surface of the heat insulation layer is also provided with a pressure sensitive adhesive layer.
Preferably, the lower surface of the pressure-sensitive adhesive layer is also provided with a release film layer.
Preferably, the thickness of the thermal insulation layer is 1-10 μm.
Preferably, the thickness of the anti-fouling functional layer is 2-20 μm.
Preferably, the thickness of the pressure-sensitive adhesive layer is 10 to 100 μm.
Preferably, the thickness of the release film layer is 1-5 μm.
The utility model discloses owing to adopt above technical scheme, make it compare with prior art and have following advantage and positive effect:
the utility model provides a TPU protection film simple structure, the processing cost is low, through having the TPU membrane that has added cesium tungsten bronze, tin antimony oxide and ultraviolet absorbent, cesium tungsten bronze powder has strong absorption to near infrared region (wavelength 800-; the silica hollow microsphere is coated on the heat insulation layer, so that the silica hollow microsphere has double heat insulation functions; by coating the anti-fouling functional layer, the coating has good self-cleaning and anti-fouling performance, and can replace the construction of waxing, glazing, paint spraying and the like. The TPU protective film of the utility model is applied to military use, such as tanks, etc., and has the functions of infrared separation, ultraviolet separation and heat insulation, thus preventing thermal infrared detection; in civil use, such as automobiles and the like, the infrared blocking, ultraviolet blocking and heat insulating functions of the automobile can prevent infrared and ultraviolet aging, prolong the service life and prevent the temperature in the automobile from being too high due to sunshine insolation.
Drawings
Fig. 1 is a schematic cross-sectional structure diagram of the TPU protective film of the present invention.
Description of reference numerals: 1-a substrate layer; 2-a heat insulation layer; 3-a pressure sensitive adhesive layer; 4-a release film layer; 5-an anti-fouling functional layer.
Detailed Description
The TPU protective film of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims.
Referring to fig. 1, the TPU protective film comprises a thermal insulation layer 2 of silica hollow microspheres, a substrate layer 1 and an anti-fouling functional protective layer 5 in sequence from bottom to top; the base material layer 1 is a TPU film added with cesium tungsten bronze, tin antimony oxide and an ultraviolet absorbent, the addition ratio of the cesium tungsten bronze is 0.2-0.7 wt%, the cesium tungsten bronze is generally a powder, the particle diameter is within the range of 10-50nm, the addition ratio of tin antimony oxide (antimony doped tin dioxide, ATO) is 0.4-0.8 wt%, the particle diameter of the tin antimony oxide is 7-30nm, the addition ratio of the ultraviolet absorbent is 0.1-1 wt%, and the ultraviolet absorbent is generally benzotriazole.
Preferably, the lower surface of the heat insulation layer 2 is further provided with a pressure-sensitive adhesive layer 3, the pressure-sensitive adhesive layer 3 can be used for adhering to the surface of a product to be protected, and the pressure-sensitive adhesive is generally selected from one or more of acrylic adhesive, rubber adhesive and organic silicon adhesive.
Preferably, the lower surface of the pressure-sensitive adhesive layer 3 is further provided with a release film layer 4, the release film layer 4 is used for protecting a TPU protective film finally prepared, and the release film can be torn off when in use, and can be selected from one of a polyethylene release film, a polypropylene release film, a polyvinyl chloride release film, a polyethylene terephthalate release film, an exhaust release film and a primer composite release film.
Preferably, the thickness of the thermal insulation layer 2 is 1-10 μm.
Preferably, the thickness of the anti-fouling functional layer 5 is 2-20 μm.
Preferably, the thickness of the pressure-sensitive adhesive layer 3 is 10 to 100 μm.
Preferably, the thickness of the release film layer 4 is 1 to 5 μm.
The preparation method of the TPU protective film provided in this example is as follows:
(1) firstly, uniformly mixing cesium tungsten bronze, tin antimony oxide and an ultraviolet absorbent with TPU (thermoplastic polyurethane), and then extruding the TPU added with the cesium tungsten bronze, the tin antimony oxide and the ultraviolet absorbent into a film in an extrusion mode to form a substrate layer 1;
(2) coating the silica hollow microsphere heat-insulating layer 2 on the lower surface of the substrate layer 1 in a coating mode, wherein the thickness of the heat-insulating layer 2 is controlled to be 1-10 micrometers;
(3) coating the pressure-sensitive adhesive on the lower surface of the heat insulation layer 2 in a coating mode, wherein the thickness of the pressure-sensitive adhesive layer 3 is controlled to be 10-100 micrometers;
(4) covering a release film on the lower surface of the pressure-sensitive adhesive, wherein the thickness of a release film layer 4 is 1-5 microns;
(5) the anti-fouling functional layer 5 is coated on the upper surface of the substrate layer 1 in a coating mode, and the thickness of the anti-fouling functional layer 5 is controlled to be 2-20 micrometers.
The TPU protective film provided by the embodiment is simple in structure and low in processing cost, and the TPU film added with the cesium tungsten bronze, the tin antimony oxide and the ultraviolet absorbent is adopted, so that the cesium tungsten bronze powder can strongly absorb light in a near infrared region (with the wavelength of 800-; the silica hollow microsphere is coated on the heat insulation layer, so that the silica hollow microsphere has double heat insulation functions; by coating the anti-fouling functional layer, the coating has good self-cleaning and anti-fouling performance, and can replace the construction of waxing, glazing, paint spraying and the like. The TPU protective film of the utility model is applied to military use, such as tanks, etc., and has the functions of infrared separation, ultraviolet separation and heat insulation, thus preventing thermal infrared detection; in civil use, such as automobiles and the like, the infrared blocking, ultraviolet blocking and heat insulating functions of the automobile can prevent infrared and ultraviolet aging, prolong the service life and prevent the temperature in the automobile from being too high due to sunshine insolation.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, the changes still fall within the scope of the present invention if they fall within the scope of the claims and their equivalents.
Claims (7)
1. The TPU protective film is characterized by comprising a heat insulation layer, a base material layer and an anti-fouling functional protective layer of silicon dioxide hollow microspheres from bottom to top in sequence; wherein, the substrate layer is a TPU film.
2. The TPU protective film of claim 1, wherein the lower surface of the thermal insulating layer is further provided with a pressure sensitive adhesive layer.
3. The TPU protective film of claim 2, wherein the lower surface of the pressure sensitive adhesive layer is further provided with a release film layer.
4. The TPU protective film of claim 1 or 3, wherein the thermal insulating layer has a thickness of 1 to 10 μm.
5. The TPU protective film of claim 1 or 3, wherein the thickness of the anti-fouling functional layer is from 2 to 20 μm.
6. The TPU protective film of claim 2 wherein the pressure sensitive adhesive layer has a thickness of 10 to 100 μm.
7. The TPU protective film of claim 3, wherein the release film layer has a thickness of 1 to 5 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020362160.1U CN212770538U (en) | 2020-03-20 | 2020-03-20 | TPU protection film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020362160.1U CN212770538U (en) | 2020-03-20 | 2020-03-20 | TPU protection film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212770538U true CN212770538U (en) | 2021-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020362160.1U Active CN212770538U (en) | 2020-03-20 | 2020-03-20 | TPU protection film |
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| CN (1) | CN212770538U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115404019A (en) * | 2022-08-30 | 2022-11-29 | 南通通易航天科技股份有限公司 | TPU heat-insulating explosion-proof film for high-infrared-blocking automobile skylight |
-
2020
- 2020-03-20 CN CN202020362160.1U patent/CN212770538U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115404019A (en) * | 2022-08-30 | 2022-11-29 | 南通通易航天科技股份有限公司 | TPU heat-insulating explosion-proof film for high-infrared-blocking automobile skylight |
| CN115404019B (en) * | 2022-08-30 | 2023-09-29 | 南通通易航天科技股份有限公司 | TPU heat-insulating explosion-proof film for high infrared barrier automobile skylight |
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