CN210314102U - Light-resistant window film - Google Patents
Light-resistant window film Download PDFInfo
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- CN210314102U CN210314102U CN201920676643.6U CN201920676643U CN210314102U CN 210314102 U CN210314102 U CN 210314102U CN 201920676643 U CN201920676643 U CN 201920676643U CN 210314102 U CN210314102 U CN 210314102U
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Abstract
The utility model discloses a lightfast window membrane, including the anti lightfast layer of scraping that sets gradually, first plastic film substrate layer, resistant light pressure sensitive adhesive layer, second plastic film substrate layer, lightfast installation glue film, release film layer. The total thickness of the light-resistant window film is 88-138 mu m. Further, the thickness of the scratch-resistant and light-resistant layer is 1-4 μm; the thickness of the first plastic film base material layer is 16-38 mu m; the thickness of the light-resistant pressure-sensitive adhesive layer is 5-10 mu m; the thickness of the second plastic film base material layer is 16-38 mu m; the thickness of the light-resistant mounting glue layer is 6-10 mu m; the thickness of the release film layer is 23-38 μm. The utility model discloses resistant light window membrane is wear-resisting, resistant time, long service life, and ultraviolet separation rate is greater than 99%, and infrared separation rate is greater than 80%, and visible light transmittance is at 70% -80%, and light-fast ageing-resistant effect is strong, and electromagnetic signal pierces through, and the shelf life reaches more than 10 years. Low cost, easy production and being suitable for glass of buildings, automobiles, ships and the like.
Description
Technical Field
The utility model relates to a window membrane field, concretely relates to lightfast window membrane is particularly useful for pasting on the glass of car or building, energy-conservation, safety, pleasing to the eye, convenient to use.
Background
In order to improve the brightness of buildings, pursue the beauty and rapidly develop the automobile industry, a large amount of glass is required to be used, and the glass has poor heat insulation effect, so that various window films are adhered to the glass used on the bodies of the buildings and the automobiles to play the roles of shading and insulating light. How to improve the visible light transmittance, the ultraviolet ray blocking capability, the heat insulating capability and the explosion-proof capability of the window film is an important subject for the survival and development of the window film. Although various window film products are available, the heat insulation effect is still not ideal, and the functions of visible light transmittance and ultraviolet light obstruction cannot be simultaneously achieved, so that the application range of the window film is limited.
Currently, there are four types of window films on the market: the first kind, the window film product is formed by the colored film, the surface dyeing film and the primary color film through coating and compounding process and the release film, the main function of the window film product is used for shielding strong sunlight, the product has no heat insulation effect and is only used for shading, and the definition is extremely poor; the second type, metal film, adopt vacuum evaporation technology or magnetron sputtering technology, evaporate metal or metal alloy layer on PET substrate, form the product with the release liner through coating and composite technology, reach certain thermal-insulated effect, but its weak point lies in that the clarity is low, the reflection of light is higher, cause the visual fatigue easily and cause the accident; the third category is metal composite films, a window film product is formed by a transparent film or a colored film, a metal film and a superhard anti-scratch coating multi-layer plastic film through a coating and compounding process and a release film, the window film has greatly improved heat insulation effect and visual performance, but the metal film used in the product is complex to prepare and has higher cost, wherein the metal layer has poor fireproof performance, is easy to oxidize when being directly exposed in the air and sunlight, so that the heat insulation effect is reduced and the service life is shortened, and the metal film has a certain shielding effect on WIFI, GPS, radio signals and mobile phone signals; the fourth type is a ceramic composite film, a window film product is formed by a transparent film or a colored film, a ceramic film and a superhard anti-scratch coating multi-layer plastic film through a coating and compounding process and a release film, the window film has excellent heat insulation performance and high visible light transmittance, cannot shield WIFI, GPS, radio signals and mobile phone signals, and is mainly used as an automobile front windshield adhesive film at present.
Disclosure of Invention
The utility model provides a light-fast window membrane, it is strong to stand wear and tear and ageing resistance effect, and light-fast effect is good, and visible light transmissivity range is wide and ultraviolet ray separation rate is high, to WIFI, GPS, radio signal, cell-phone signal unshielded, and convenient to use, the security is good.
The utility model adopts the technical scheme that, lightfast window membrane, including the anti lightfast layer of scraping, first plastic film substrate layer, the light-fast pressure sensitive adhesive layer, second plastic film substrate layer, lightfast installation glue film, release film layer that set gradually.
Further, the total thickness of the light-resistant window film is 88-138 mu m.
Further, the thickness of the scratch-resistant and light-resistant layer is 1-4 μm; the thickness of the first plastic film base material layer is 16-38 mu m; the thickness of the light-resistant pressure-sensitive adhesive layer is 5-10 mu m; the thickness of the second plastic film base material layer is 16-38 mu m; the thickness of the light-resistant mounting glue layer is 6-10 mu m; the thickness of the release film layer is 23-38 μm.
Further, the first plastic film substrate layer is a polyethylene terephthalate (PET) film, and one or two surfaces of the film are provided with polyurethane layers.
Further, the second plastic film substrate layer is a polyethylene terephthalate (PET) film, and one or two surfaces of the film are provided with polyurethane layers.
The utility model discloses following beneficial effect has:
1. the double surfaces of the plastic film substrate layer are specially treated, so that the pressure-sensitive adhesive has strong adhesive force on the surface, large stripping force, strong permanent adhesion and high initial adhesion; the scratch-resistant layer and the first plastic film base material layer are combined through ultraviolet curing, so that the two layers are combined firmly, the first plastic film base material layer and other layers cannot be damaged, production can be carried out on a production line, the used scratch-resistant agent is fully mixed with slurry, and other auxiliaries are not required to be added.
2. The light-resistant mounting adhesive layer containing the ultraviolet light absorber and the nano ceramic slurry has good effects of reducing radiation, insulating heat and blocking ultraviolet rays, is wear-resistant, weather-resistant and long in service life, does not have shielding effect on WIFI, GPS, radio signals, mobile phone signals and the like, has obvious anti-aging effect in xenon lamp aging, is strong in toughness and not easy to break, and meanwhile enables the release film layer to be easy to tear without adhesive residue and the adhesive surface to have no scratch phenomenon.
3. The utility model discloses resistant light window membrane is wear-resisting, resistant time, long service life, and ultraviolet separation rate is greater than 99%, and infrared separation rate is greater than 80%, and visible light transmittance is at 70% -80%, and light-fast ageing-resistant effect is strong, and electromagnetic signal pierces through, and the shelf life reaches more than 10 years. Low cost, easy production and being suitable for glass of buildings, automobiles, ships and the like.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be further explained with reference to the following examples and drawings.
As shown in fig. 1, the light-resistant window film comprises a scratch-resistant light-resistant layer 1, a first plastic film substrate layer 2, a light-resistant pressure-sensitive adhesive layer 3, a second plastic film substrate layer 4, a light-resistant mounting adhesive layer 5 and a release film layer 6 which are arranged in sequence.
In a preferred embodiment, the total thickness of the light-resistant window film is 88-138 μm.
Further, the thickness of the scratch-resistant and light-resistant layer is 1-4 μm; the thickness of the first plastic film base material layer is 16-38 mu m; the thickness of the light-resistant pressure-sensitive adhesive layer is 5-10 mu m; the thickness of the second plastic film base material layer is 16-38 mu m; the thickness of the light-resistant mounting glue layer is 6-10 mu m; the thickness of the release film layer is 23-38 μm.
In a preferable scheme, the first plastic film base material layer is a polyethylene terephthalate (PET) film, and one or two surfaces of the film are provided with polyurethane layers. Can prevent falling off and improve the adhesive force of the photocuring layer.
In a preferable scheme, the second plastic film substrate layer is a polyethylene terephthalate (PET) film, and one or two surfaces of the film are provided with polyurethane layers.
Specifically, the scratch resistant agent in the scratch resistant and light resistant layer is one of SAA1501, SAA1204, SAA3208 and SAA2253, and one or more of nano metal oxide nano titanium oxide, nano yttrium oxide, nano dysprosium oxide and nano erbium oxide are added.
The pressure-sensitive adhesive in the light-resistant pressure-sensitive adhesive layer is 3277H-1, one of ultraviolet absorbers of BASF UV571, UV3202, UV2285, UV7640 and UV2065 is added, and one or more of nano metal oxide of nano gadolinium oxide, nano yttrium oxide, nano dysprosium oxide and nano erbium oxide are added. The diluent used in the preparation is ethyl acetate or toluene.
One of ultraviolet absorbers of BASF UV5571, UV5202, UV3285, UV7240 and UV2365 is added into the light-resistant mounting adhesive layer.
In the specific preparation process, the pressure-sensitive adhesive, the ultraviolet absorbent, the nano ceramic slurry and the diluent are mixed according to the proportion of 100%: 3.2-3.8%: 10-20%: 72.5-80%, and then coating the mixture on one surface of a first plastic film substrate layer 2, wherein the first plastic film substrate layer 2 is a transparent polyethylene terephthalate (PET) film, and after coating, the mixture is placed in an oven to be dried, the drying temperature is 120 ℃, and the drying time is 5 minutes, so that a light-resistant pressure-sensitive adhesive layer 3 which is thermally cured and combined on the first plastic film substrate layer is formed, after taking out the coated layer from the oven, a second plastic film substrate layer 4 is compounded on the outer surface of the light-resistant pressure-sensitive adhesive layer 3, and on the other surface of the second plastic film substrate layer 4, 100% of pressure-sensitive adhesive, ultraviolet absorbent and diluent are coated: 3.2-3.8%: 72.5-80% of light-resistant mounting adhesive which is uniformly mixed to form a light-resistant mounting adhesive layer 5; drying in a drying oven, and compounding the release film layer 6 on the outer surface of the adhesive layer 5; and finally, coating an anti-scratch light-resistant agent on the other surface of the first plastic film base material layer 2, taking out the anti-scratch light-resistant agent, and irradiating by using ultraviolet light to form an ultraviolet light-cured anti-scratch light-resistant layer 1, thus obtaining the light-resistant window film.
The light-resistant window film has the visible light transmittance VLT of 70-80%, the infrared light transmittance IRT of 10-20% and the ultraviolet light transmittance UVT of 0-1%.
The properties of the resulting light-resistant window film were examined as follows:
① hardness, the hardness of the paint film is determined by referring to the national standard GB/T6739-2006 color paint and varnish pencil method;
② surface is resistant to steel wire ball scraping, and the steel wire ball with mass of 2.5 pounds is used for 10 times of back and forth friction;
③ surface solvent resistance wiping, according to the national standard GB/T23989-;
④ 180 degree peel strength, refer to the test method of 180 degree peel strength of pressure sensitive adhesive tape of national standard GB 2792-1998;
⑤ visible light transmittance, adopting solar film transmittance tester (model LS-160) produced by Shenzhen Lin Shang science and technology Limited, referring to national standard GB2410-80 transparent plastic transmittance and haze test method;
⑥ ultraviolet light blocking rate, adopting solar film transmittance determinator (model LS-160) produced by Shenzhen Linshang science and technology Limited, referring to national standard GB2410-80 transparent plastic transmittance and haze test method;
⑦ Infrared rejection rate, adopting solar film transmittance determinator (model LS-160) produced by Shenzhen Lin Shang science and technology Limited, referring to national standard GB2410-80 transparent plastic transmittance and haze test method;
⑧ aging test A Q-Sun xenon lamp test chamber (Xe-3-HS) was used to refer to the American Standard ASTM G155 color variation test method.
And (3) detection results:
① hardness can reach 3H;
② the surface can resist steel wire ball scratching and solvent wiping without any scratches;
the peel strength of ③ 180 degrees is 10-12N/25 mm;
④ visible light transmittance of 70-80%, ultraviolet light blocking rate of more than 99%, and infrared blocking rate of more than 80%;
⑤ aging data are shown in Table 1 for color difference changes.
TABLE 1
Claims (5)
1. A light-resistant window film characterized by: the anti-scratch light-resistant layer comprises an anti-scratch light-resistant layer (1), a first plastic film substrate layer (2), a light-resistant pressure-sensitive adhesive layer (3), a second plastic film substrate layer (4), a light-resistant mounting adhesive layer (5) and a release film layer (6) which are arranged in sequence.
2. The light-resistant window film of claim 1, wherein: the total thickness of the light-resistant window film is 88-138 mu m.
3. The light-resistant window film of claim 1 or 2, wherein: the thickness of the scratch-resistant and light-resistant layer is 1-4 μm; the thickness of the first plastic film base material layer is 16-38 mu m; the thickness of the light-resistant pressure-sensitive adhesive layer is 5-10 mu m; the thickness of the second plastic film base material layer is 16-38 mu m; the thickness of the light-resistant mounting glue layer is 6-10 mu m; the thickness of the release film layer is 23-38 μm.
4. The light-resistant window film of claim 1, wherein: the first plastic film substrate layer is a polyethylene glycol terephthalate film, and one side or two sides of the film are provided with polyurethane layers.
5. The light-resistant window film of claim 1, wherein: the second plastic film substrate layer is a polyethylene glycol terephthalate film, and one side or two sides of the film are provided with polyurethane layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920676643.6U CN210314102U (en) | 2019-05-13 | 2019-05-13 | Light-resistant window film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920676643.6U CN210314102U (en) | 2019-05-13 | 2019-05-13 | Light-resistant window film |
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| Publication Number | Publication Date |
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| CN210314102U true CN210314102U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920676643.6U Expired - Fee Related CN210314102U (en) | 2019-05-13 | 2019-05-13 | Light-resistant window film |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116656257A (en) * | 2023-06-07 | 2023-08-29 | 精一门(常州)光学薄膜有限公司 | Explosion-proof anti-dazzle automobile film and preparation method thereof |
-
2019
- 2019-05-13 CN CN201920676643.6U patent/CN210314102U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116656257A (en) * | 2023-06-07 | 2023-08-29 | 精一门(常州)光学薄膜有限公司 | Explosion-proof anti-dazzle automobile film and preparation method thereof |
| CN116656257B (en) * | 2023-06-07 | 2024-03-22 | 精一门(常州)光学薄膜有限公司 | Explosion-proof anti-dazzle automobile film and preparation method thereof |
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