CN220224059U - Super-hydrophobic and high-heat-insulation automobile paint protection film - Google Patents
Super-hydrophobic and high-heat-insulation automobile paint protection film Download PDFInfo
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- CN220224059U CN220224059U CN202321516739.9U CN202321516739U CN220224059U CN 220224059 U CN220224059 U CN 220224059U CN 202321516739 U CN202321516739 U CN 202321516739U CN 220224059 U CN220224059 U CN 220224059U
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- 239000003973 paint Substances 0.000 title claims abstract description 79
- 230000003075 superhydrophobic effect Effects 0.000 title claims abstract description 35
- 238000009413 insulation Methods 0.000 title claims abstract description 24
- 239000010410 layer Substances 0.000 claims abstract description 93
- 230000001681 protective effect Effects 0.000 claims abstract description 44
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims abstract description 30
- 239000002131 composite material Substances 0.000 claims abstract description 28
- 239000000758 substrate Substances 0.000 claims abstract description 27
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000741 silica gel Substances 0.000 claims abstract description 13
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 13
- 210000001595 mastoid Anatomy 0.000 claims abstract description 11
- 239000004826 Synthetic adhesive Substances 0.000 claims abstract description 5
- 239000004814 polyurethane Substances 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 6
- 125000001931 aliphatic group Chemical group 0.000 claims description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 230000000717 retained effect Effects 0.000 claims description 3
- 238000003916 acid precipitation Methods 0.000 abstract description 4
- 210000003608 fece Anatomy 0.000 abstract description 4
- 241000238631 Hexapoda Species 0.000 abstract description 3
- 238000011109 contamination Methods 0.000 abstract description 2
- 239000003344 environmental pollutant Substances 0.000 abstract description 2
- 231100000719 pollutant Toxicity 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 description 9
- 238000000576 coating method Methods 0.000 description 9
- 238000002360 preparation method Methods 0.000 description 8
- 239000002352 surface water Substances 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 239000003292 glue Substances 0.000 description 6
- 230000003068 static effect Effects 0.000 description 6
- 239000004205 dimethyl polysiloxane Substances 0.000 description 5
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 5
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- 239000011521 glass Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- CXQXSVUQTKDNFP-UHFFFAOYSA-N octamethyltrisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C CXQXSVUQTKDNFP-UHFFFAOYSA-N 0.000 description 4
- 238000004987 plasma desorption mass spectroscopy Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 4
- 238000002834 transmittance Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 240000002853 Nelumbo nucifera Species 0.000 description 3
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 3
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 3
- 238000001053 micromoulding Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- XDLMVUHYZWKMMD-UHFFFAOYSA-N 3-trimethoxysilylpropyl 2-methylprop-2-enoate Chemical compound CO[Si](OC)(OC)CCCOC(=O)C(C)=C XDLMVUHYZWKMMD-UHFFFAOYSA-N 0.000 description 2
- 238000000498 ball milling Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- 230000005660 hydrophilic surface Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- -1 Polydimethylsiloxane Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000003592 biomimetic effect Effects 0.000 description 1
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- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- 239000002344 surface layer Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Abstract
The utility model discloses an automobile paint protection film, in particular to a super-hydrophobic and high-heat-insulation automobile paint protection film, which comprises an ATO/PU composite film layer, a silica gel synthetic adhesive layer, a TPU substrate layer, a pressure-sensitive adhesive layer and a PET release film layer which are sequentially compounded; the surface microstructure of the ATO/PU composite film layer, which is far away from the TPU substrate layer, contains mastoid with the diameter of 5-9 mu m, and nano-scale small bulges are uniformly distributed in the position below the top of the mastoid and in the area between the mastoid. The utility model solves the technical problem that the super-hydrophobic automobile paint protective film has excellent heat insulation performance. The automobile paint surface protective film has super-hydrophobicity, mixed pollutants (acid rain, insects, bird droppings and the like) attached to the surface of the automobile paint surface protective film are difficult to infiltrate into a substrate, and the surface of the substrate can be well protected, namely, the automobile paint surface protective film has good anti-contamination capability; while having excellent heat insulating properties and transparency/translucency.
Description
Technical Field
The utility model relates to an automobile paint protection film, in particular to a super-hydrophobic and high-heat-insulation automobile paint protection film.
Background
The automobile paint protective film is also called as invisible automobile cover, is a transparent/semitransparent protective film attached to the surface of an automobile body, can effectively prevent scratching and sand from striking, also isolates the contact of automobile paint and air, and can prevent corrosion of acid rain, insects, bird droppings and the like on the automobile body paint. The main purpose is that after being torn off, the original factory paint of the automobile can be still bright as new.
The automobile paint protective film is generally of a three-layer structure (except a protective film layer and a release film), and comprises a functional coating, a TPU substrate layer and a pressure-sensitive adhesive layer from outside to inside. Wherein, in order to make dirty such as acid rain, bird droppings, tree oil be difficult for adhering to on car paint protection film for a long time, and then avoid its infiltration to functional coating and TPU substrate in situ, lead to car paint protection film impaired, shorten its normal life, current car paint protection film's functional coating generally all can possess the hydrophobicity. However, the existing hydrophobic automobile paint protective film has poor heat insulation, and heat outside the automobile can be continuously transferred into the automobile, so that the energy consumption of an automobile air conditioner is high in summer.
Feng Jie, huang Baoyuan, zhong Mingjiang et al propose a biomimetic micro-molding for preparing a super-hydrophobic semi-transparent heat-insulating ATO/PU (antimony doped tin dioxide/polyurethane) composite film (university chemical engineering journal, 24 volume, 1 st, 2010, 2 nd). The ATO/PU composite film prepared by the solution casting micro-molding method has the surface water static contact angle reaching (151.3+/-2.1) DEG, rolling angle not more than 5 DEG and superhydrophobicity; and simultaneously has excellent heat insulation performance and translucency.
Accordingly, the present utility model has been made.
Disclosure of Invention
The utility model aims to solve the defects of the prior art and provide the super-hydrophobic and high-heat-insulation automobile paint protection film with super-hydrophobicity and excellent heat insulation performance.
In order to achieve the above purpose, the utility model provides a super-hydrophobic and highly heat-insulating automotive paint protective film, which comprises the following layers: an ATO/PU composite film layer, a TPU substrate layer, a pressure-sensitive adhesive layer and a PET release film layer which are sequentially compounded; the surface microstructure of the ATO/PU composite film layer, which is far away from the TPU substrate layer, contains mastoid with the diameter of 5-9 mu m, and nano-scale small bulges are uniformly distributed in the position below the top of the mastoid and in the area between the mastoid.
The super-hydrophobic and high-heat-insulation automobile paint protection film has the advantages that nano-scale small protrusions are uniformly distributed at the position below the mastoid top of the ATO/PU composite film surface and in the area between mastoids in the layered structure. The micro-nano second-order structure with the combination of the micro-structure and the nano-structure imitates the surface of natural lotus leaf, so that the ATO/PU composite film surface has excellent hydrophobicity, the surface water contact angle of the ATO/PU composite film can reach (151.3+/-2.1) DEG, the rolling angle is less than or equal to 5 DEG, and the ATO/PU composite film belongs to super-hydrophobicity. Meanwhile, the ATO particles in the ATO/PU composite film can absorb infrared light, so that the ATO/PU composite film has excellent heat insulation performance.
The particle size of ATO particles in the ATO/PU composite film layer in the laminated structure of the super-hydrophobic and high-heat-insulation automobile paint protective film is preferably less than 130 and nm, and the film is transparent/nearly transparent at the moment, and the thickness of the film is preferably 25-75 mu m.
The super-hydrophobic and high-heat-insulation automobile paint protection film has the advantages that the silica gel synthetic adhesive layer in the layered structure has the advantages of transparency, environmental protection, no stimulation, no peculiar smell and the like, the low-temperature and high-temperature resistance limit value can reach-60 ℃ to 350 ℃, and the thickness is preferably 5 mu m to 25 mu m.
The TPU substrate layer in the layered structure is an aliphatic TPU substrate layer, the surface hardness is preferably 80A-93A, the visible light transmittance is preferably 90% or more, the elongation at break is preferably 300% or more, the haze is preferably 2% or less, and the thickness is preferably 100-300 μm.
In the super-hydrophobic and high-heat-insulation automobile paint protective film, the pressure-sensitive adhesive layer in the layered structure is preferably an acrylic pressure-sensitive adhesive layer or a polyurethane pressure-sensitive adhesive layer, the visible light transmittance is preferably more than 90%, and the thickness is preferably 10-50 μm.
In the above-mentioned superhydrophobic and highly heat-insulating automotive paint protective film, the release film layer in the layered structure is preferably a PET release film layer, more preferably a white PET release film layer, the haze is preferably 70% or more, the release force is preferably within 20g/inch, and the thickness is preferably 23 μm-100 μm.
As a technical improvement scheme, the super-hydrophobic and high-heat-insulation automobile paint protection film has a layered structure, wherein the surface of the pressure-sensitive adhesive layer, which is away from the TPU substrate layer, is provided with an air guide groove part for removing air which is retained between the film surface and the paint surface in the film pasting process; and the surface of the release film layer, which is opposite to the pressure-sensitive adhesive layer, is provided with convex parts which are embedded into the air guide groove part one by one.
The air guide groove part is preferably in diamond grid distribution or honeycomb grid distribution, the groove depth is preferably 1/5-1/4 of the thickness of the pressure-sensitive adhesive layer, and further preferably 1/5 of the thickness of the pressure-sensitive adhesive layer. In the construction process of the automobile paint surface protection film, air is retained between the film surface and the paint surface through the air guide groove part, no air bubbles are generated, the construction is convenient, the time and the labor cost are saved, and the surface of the film is smooth and even.
In addition, the pressure-sensitive adhesive coating liquid is coated on the surface of the release film layer with the structure, the air guide groove part can be automatically formed on the surface of the pressure-sensitive adhesive layer only after the pressure-sensitive adhesive is solidified, and the bulge part embedded into the air guide groove part can avoid the situations that the air guide groove part is blocked and closed in the later packaging and transportation processes.
As a further improvement technical scheme, the super-hydrophobic and high-heat-insulation automobile paint protective film is characterized in that a hand tearing part for conveniently tearing the release film layer from the automobile paint protective film is arranged on the release film layer in the layered structure; the hand tearing part is positioned at one side of the automobile paint protective film and extends outwards from the edge of the automobile paint protective film. This hand portion of tearing can promote from the efficiency of tearing from the type rete on the car paint protection film, and then promotes the pasting efficiency of construction of car paint protection film.
Compared with the prior art, the super-hydrophobic and high-heat-insulation automobile paint protection film has the following technical advantages:
(1) The surface water static contact angle of the ATO/PU composite film on the surface layer in the layered structure reaches (151.3+/-2.1) DEG, the rolling angle is less than or equal to 5 DEG, the super-hydrophobic and high-heat-insulation automobile paint protective film has super-hydrophobicity, mixed pollutants (acid rain, insects, bird droppings and the like) attached to the surface of the film are difficult to infiltrate into a substrate, and the surface of the substrate can be well protected, namely, the automobile paint protective film provided by the utility model has good anti-contamination capability; while having excellent heat insulating properties and transparency/translucency.
(2) The super-hydrophobic and high-heat-insulation automobile paint protection film provided by the utility model has the advantages that no bubble is generated in the film pasting construction process, the construction is convenient, the time and labor cost are saved, the film pasting construction efficiency is high, and the film pasting surface is smooth and even.
Drawings
FIG. 1 is a schematic view of a layered structure of a superhydrophobic and highly thermally insulating automotive paint protective film;
fig. 2 is a schematic structural view of an air guide groove portion of a superhydrophobic and highly heat-insulating automotive paint protective film.
In the figure: ATO/PU composite film layer 1, silica gel synthetic glue layer 2, TPU substrate layer 3, pressure sensitive adhesive layer 4, air guide groove portion 4-1, release film layer 5, hand tearing portion 5-1.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.
Example 1
As shown in fig. 1, as an embodiment of the present utility model, the super-hydrophobic and highly heat-insulating protective film for automotive paint provided in this embodiment includes an ATO/PU composite film layer 1, a silica gel synthetic adhesive layer 2, a TPU substrate layer 3, a pressure-sensitive adhesive layer 4 and a release film layer 5, which are sequentially compounded.
In this example, ATO/PU composite film with thickness of 25 μm can be prepared by solution casting micro-molding method.
The silica gel synthetic glue layer in this embodiment adopts silica gel glue (JUKAM G-988), and can be naturally cured in room temperature environment, and its thickness is 5 μm.
The TPU substrate layer in this example was an aliphatic TPU substrate film (Argotec 49510) having a surface hardness of 93A, a visible light transmittance of 92%, an elongation at break of 550%, a haze of 1.0% and a thickness of 100. Mu.m.
The pressure-sensitive adhesive layer in this example was an acrylic pressure-sensitive adhesive (Henkel, loctite 8087) having a visible light transmittance of 92% and a thickness of 10 μm.
In this example, a white PET release film (Toray, XZ31 SR) was used as the release film layer, the haze was 73%, the release force was 10g/inch, and the thickness was 23. Mu.m.
As shown in fig. 2, in this embodiment, an air guide groove 4-1 for removing air trapped between the film surface and the paint surface during the film pasting process is provided on the surface of the pressure-sensitive adhesive layer 4 facing away from the TPU substrate layer 3. The air guide groove parts 4-1 are distributed in a diamond grid shape, and the groove depth is 1.2 mu m. The surface of the release film layer 5 facing the pressure-sensitive adhesive layer 4 is provided with convex parts (not shown in the figure) which are embedded into the air guide groove parts 4-1 one by one.
As shown in fig. 1, in this embodiment, a hand-tearing portion 5-1 for facilitating tearing of the release film 5 from the automotive paint protective film is provided on the release film 5. The hand tearing part 5-1 is positioned on one side of the automobile paint protection film and extends outwards from the edge of the automobile paint protection film.
The preparation method of the ATO/PU composite film comprises the following steps:
ATO/WPU coating preparation
Weighing required antimony-doped tin dioxide ATO powder (ATO-P100, shanghai Zheng) according to solid content of 30%
Nano technology Co., ltd.) and deionized water, adding gamma-methacryloxypropyl trimethoxysilane KH570 (2530-85-0, nanjing dawn chemical Co., ltd.) at a certain mass concentration (based on ATO powder mass), using 3/6 mm (50% of each mass) agate beads as ball milling auxiliary agent, and adding 480 r min in a 0.5L agate tank -1 Ball milling and dispersing 48 and h under a certain pH value at a rotating speed, regulating the pH value to 8 to obtain stable dispersed ATO water slurry, and uniformly blending the stable dispersed ATO water slurry into polyurethane water paint resin WPU (PU-116, solid content is 30 percent, and compound fertilizer An Ke fine chemical Co., ltd.) at a volume ratio of 1:6 to obtain the ATO/WPU coating.
ATO/PU composite film preparation
Polydimethylsiloxane PDMS prepolymer (Sylgard 184, U.S. Dow) at a mass ratio of 10:1 was prepared
Corning company) and a cross-linking agent are uniformly mixed, vacuum deaerated and then poured on the front surface of fresh lotus leaves. Standing at room temperature for 24 h, transferring into an oven (40 ℃) for re-curing for 4 h, and stripping lotus leaves to obtain the PDMS elastic soft template; and (3) treating one surface of the PDMS template with a characteristic microstructure by using air plasma to hydrophilize the PDMS template, uniformly pouring ATO/WPU coating on the hydrophilic surface, then placing the hydrophilic surface into an oven (80 ℃) for drying, controlling the film thickness after drying to be 25 mu m, and finally taking out and stripping to obtain the corresponding micro-molded ATO/PU composite film.
The preparation method of the super-hydrophobic and high-heat-insulation automobile paint protection film comprises the following steps of:
step 1, an acrylic pressure-sensitive adhesive (Henkel, loctite 8087) coating solution was coated on a 23 μm white PET release film (Toray, XZ31 SR), and dried at 110 ℃ for 2min to form a pressure-sensitive adhesive layer 10 μm thick as a dry adhesive. Then, the pressure-sensitive adhesive layer was covered on one side surface of a 100 μm aliphatic TPU substrate (Argotec 49510).
Step 2, uniformly coating silica gel glue (JUKAM G-988) on the other side surface of the aliphatic TPU substrate in the step 1, covering an ATO/PU composite film, curing for 2 hours at room temperature, and naturally curing the silica gel glue to obtain a silica gel synthetic glue layer with the thickness of 5 mu m.
And 3, placing the semi-finished product obtained in the step 2 into a curing chamber at 50 ℃ for 72 hours to obtain the automobile paint protective film.
Example 2
As a second embodiment of the present utility model, the super-hydrophobic automotive paint protective film provided in this example has a substantially layered structure consistent with example 1.
However, the ATO/PU composite film layer in this example had a thickness of 50. Mu.m. The thickness of the silica gel synthetic gel layer in this example was 15. Mu.m. The thickness of the TPU substrate layer in this example was 200. Mu.m. The thickness of the pressure-sensitive adhesive layer in this example was 30. Mu.m. The thickness of the release film layer in this example was 62. Mu.m.
In addition, the preparation method of the ATO/PU composite film in the embodiment is identical to that in the embodiment 1.
In addition, the preparation method of the super-hydrophobic and high-heat-insulation automobile paint protection film in the embodiment is the same as that in the embodiment 1.
Example 3
As a third embodiment of the present utility model, the super-hydrophobic automotive paint protective film provided in this example has a substantially layered structure consistent with example 1.
However, the ATO/PU composite film layer in this example had a thickness of 75. Mu.m. The thickness of the silica gel synthetic gel layer in this example was 25. Mu.m. The thickness of the TPU substrate layer in this example was 300. Mu.m. The thickness of the pressure-sensitive adhesive layer in this example was 50. Mu.m. The thickness of the release film layer in this embodiment is 100 μm.
In addition, the preparation method of the ATO/PU composite film in the embodiment is identical to that in the embodiment 1.
In addition, the preparation method of the super-hydrophobic and high-heat-insulation automobile paint protection film in the embodiment is still identical to that in the embodiment 1.
The following table is a test data of the surface water static contact angle, roll off angle and heat insulation performance of the automotive paint protective films provided in examples 1-3.
Examples | Surface water static contact angle (°) | Roll-off angle (°) | Temperature difference test value (. Degree. C.) |
Example 1 | 151.3±2.1 | ≤5 | 21 |
Example 2 | 151.3±2.1 | ≤5 | 21.7 |
Example 3 | 151.3±2.1 | ≤5 | 22.1 |
The test method for each performance in the above table is as follows:
1. surface water static contact angle of automobile paint protection film
Selecting an automobile paint protective film, tearing off the release film, attaching the release film on 3mm transparent glass, and testing the surface water static contact angle of the paint protective film by using an SDC-200S contact angle tester. Each sample was measured 5 times and the measurement was recorded.
2. Rolling angle of automobile paint protection film
Selecting an automobile paint protective film, tearing off a release film, attaching the release film on 3mm transparent glass, placing liquid drops on the surface, then tilting a sample stage until the liquid drops start to move, and recording the angle of the liquid drops starting to move, namely the surface rolling angle.
3. Temperature difference test of automobile paint protection film
Selecting an automobile paint protection film, tearing off a release film, pasting the release film on 3mm transparent glass, sealing the transparent glass cover on an opening of a foam plastic small box, simulating sunlight to irradiate the automobile paint protection film for 1h, adopting a 250W infrared lamp as a light source, keeping a distance from the surface of the film to be detected to 40 cm, recording the temperature of the surface of the film and the temperature in the box by using an infrared camera, and calculating the temperature difference.
The present utility model is not limited to the above-described preferred embodiments, and any person who can obtain other various products under the teaching of the present utility model, however, any change in shape or structure of the product is within the scope of the present utility model, and all the products having the same or similar technical solutions as the present application are included.
Claims (9)
1. A super-hydrophobic and high-heat-insulation automobile paint protection film is characterized by comprising an ATO/PU composite film layer, a silica gel synthetic adhesive layer, a TPU substrate layer, a pressure-sensitive adhesive layer and a PET release film layer which are sequentially compounded; the surface microstructure of the ATO/PU composite film layer, which is far away from the TPU substrate layer, contains mastoid with the diameter of 5-9 mu m, and nano-scale small bulges are uniformly distributed in the position below the top of the mastoid and in the area between the mastoid.
2. The superhydrophobic and highly insulating automotive paint protective film according to claim 1, wherein: the thickness of the ATO/PU composite film layer is 25-75 mu m.
3. The superhydrophobic and highly insulating automotive paint protective film according to claim 1, wherein: the thickness of the silica gel synthetic adhesive layer is 5-25 μm.
4. The superhydrophobic and highly insulating automotive paint protective film according to claim 1, wherein: the TPU substrate layer is an aliphatic TPU substrate layer and has a thickness of 100-300 mu m.
5. The superhydrophobic and highly insulating automotive paint protective film according to claim 1, wherein: the pressure-sensitive adhesive layer is an acrylic pressure-sensitive adhesive layer or a polyurethane pressure-sensitive adhesive layer, and the thickness is 10 mu m-50 mu m.
6. The superhydrophobic and highly insulating automotive paint protective film according to claim 1, wherein: the release film layer is a PET release film layer, and the thickness is 23-100 mu m.
7. The superhydrophobic and highly thermally insulating automotive paint protective film according to any one of claims 1-6, wherein: the surface of the pressure-sensitive adhesive layer, which is away from the TPU substrate layer, is provided with an air guide groove part for removing air which is retained between the film surface and the paint surface in the film pasting process; and the surface of the release film layer, which is opposite to the pressure-sensitive adhesive layer, is provided with convex parts which are embedded into the air guide groove part one by one.
8. The superhydrophobic and highly thermally insulating automotive paint protective film according to any one of claims 1-6, wherein: the release film layer is provided with a hand tearing part for conveniently tearing the release film layer from the automobile paint protective film; the hand tearing part is positioned at one side of the automobile paint protective film and extends outwards from the edge of the automobile paint protective film.
9. The superhydrophobic and highly thermally insulating automotive paint protective film of claim 7, wherein: the release film layer is provided with a hand tearing part for conveniently tearing the release film layer from the automobile paint protective film; the hand tearing part is positioned at one side of the automobile paint protective film and extends outwards from the edge of the automobile paint protective film.
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CN202321516739.9U CN220224059U (en) | 2023-06-14 | 2023-06-14 | Super-hydrophobic and high-heat-insulation automobile paint protection film |
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CN202321516739.9U CN220224059U (en) | 2023-06-14 | 2023-06-14 | Super-hydrophobic and high-heat-insulation automobile paint protection film |
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