CN114771062A - Window film warm in winter and cool in summer and preparation method thereof - Google Patents
Window film warm in winter and cool in summer and preparation method thereof Download PDFInfo
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- CN114771062A CN114771062A CN202210324287.8A CN202210324287A CN114771062A CN 114771062 A CN114771062 A CN 114771062A CN 202210324287 A CN202210324287 A CN 202210324287A CN 114771062 A CN114771062 A CN 114771062A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/30—Coverings, e.g. protecting against weather, for decorative purposes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/304—Insulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
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- Engineering & Computer Science (AREA)
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- Structural Engineering (AREA)
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Abstract
The invention discloses a window film warm in winter and cool in summer and a preparation method thereof, wherein the window film comprises an optical-grade polyethylene film base material, one side of the optical-grade polyethylene film base material is provided with a wear-resistant layer, and the other side of the optical-grade polyethylene film base material is sequentially provided with an optical regulation and control functional layer, an anti-oxidation protective layer, a polyurethane glue layer, an optical-grade polyethylene film, an acrylic acid glue layer and a release film from inside to outside. In summer, the optical regulation and control functional layer and the anti-oxidation protective layer can achieve more than 70% of visible light transmittance and more than 60% of total solar energy barrier rate. In winter, the optical regulation and control functional layer and the anti-oxidation protective layer can achieve more than 80% of indoor and vehicle interior heat retaining effects.
Description
Technical Field
The invention relates to a window film warm in winter and cool in summer and a preparation method thereof.
Background
In severe winter, the rainy south hardly sees the sun, and the indoor space and the inside of the vehicle need to be provided with heat by air conditioning or floor heating and the like; in the cold north, the rainwater is less, and the time that can see the sun is many, but there is the time of the sun, the window can not be opened again in the awkwardly wind, can only rely on heating modes such as air conditioner and ground heating. The existing building materials enable the wall and the vehicle body to have good heat insulation effects, but the window is the most important channel for the large amount of heat inside the building and the vehicle to leak out. In order to reduce the heat leakage through the window, scientists in the optical field research a plurality of heat insulation products, such as infrared absorption dyeing window films, which are easily saturated due to heat absorption, so that the temperature of the film body is sharply increased, secondary heat radiation is carried out outdoors or outside vehicles, the temperature difference between the inside and the outside of the glass is increased due to the sharp increase of the temperature of the film body, the spontaneous explosion probability of the glass is increased, and potential safety hazards are caused to personnel. The second is a single metal film, the product has 30-50% of reflection in an infrared wave band and a certain heat preservation effect, but the reflection in a visible light wave band reaches 20-30%, and serious light pollution is caused. The third is a nano-coating heat insulation film, the product is difficult to combine high light transmission and high heat insulation due to the technical limitation, the transmittance in a visible light wave band is difficult to reach 70%, and the effect of keeping indoor and vehicle internal heat is only about 70%.
With the increasing energy consumption of human society, it is urgent to develop an energy-saving product which not only has good heat insulation effect in summer, but also has good heat preservation effect in winter, and can fully preserve heat insulation in summer and heat preservation in winter, which are necessary for production and life.
Disclosure of Invention
In order to solve the technical problems, the invention provides a window film which is warm in winter and cool in summer and has a simple structure and complete functions, and a preparation method thereof.
The technical scheme for solving the problems is as follows: the utility model provides a window membrane warm in winter and cool in summer, includes optics level polyethylene film substrate, one side of optics level polyethylene film substrate is equipped with the wearing layer, and the opposite side of optics level polyethylene film substrate is from interior and outer optical regulation and control functional layer, anti-oxidation protective layer, polyurethane glue layer, optics level polyethylene film, acrylic acid glue layer and release film of being equipped with in proper order.
According to the window film warm in winter and cool in summer, the abrasion-resistant layer is formed by uniformly coating the scratch-resistant agent on the optical-grade polyethylene film substrate by adopting a coating technology.
The window film warm in winter and cool in summer comprises a first metal oxide layer, a first metal or alloy layer for isolating water vapor, a first silver or silver alloy layer, a second metal or alloy layer for isolating water vapor, a second metal oxide layer, a third metal or alloy layer for isolating water vapor, a second silver or silver alloy layer, a fourth metal or alloy layer for isolating water vapor and a third metal oxide layer which are sequentially distributed from inside to outside.
In the window film warm in winter and cool in summer, the first metal oxide layer, the second metal oxide layer and the third metal oxide layer are TiOx、AZO、NbOx、ITO、SiOxOne or more of them.
In the window film warm in winter and cool in summer, the thicknesses of the first metal oxide layer, the second metal oxide layer and the third metal oxide layer are different.
In the window film warm in winter and cool in summer, the metal or alloy layer of the first metal or alloy layer, the second metal or alloy layer, the third metal or alloy layer, and the fourth metal or alloy layer is one or more of gold, titanium, chromium, copper, and nickel-chromium alloy.
The anti-oxidation protective layer of the window film which is warm in winter and cool in summer is a layer of gold, titanium or nickel-chromium alloy deposited by adopting a magnetron sputtering or thermal evaporation technology.
In the window film which is warm in winter and cool in summer, the acrylic acid glue layer contains the ultraviolet absorbent.
A preparation method of a window film which is warm in winter and cool in summer comprises the following steps:
step one, preparing a base material:
preparing an optical polyethylene film base material with the thickness of 12-100 mu m, an optical polyethylene film with the thickness of 12-100 mu m and a release film with the thickness of 12-24 mu m;
step two, depositing an optical regulation and control functional layer and an anti-oxidation protective layer in vacuum:
depositing a first metal oxide layer with the thickness of 15-200 nm, a first metal or alloy layer with the thickness of 3-20 nm, a first silver or silver alloy layer with the thickness of 5-50 nm, a second metal or alloy layer with the thickness of 3-20 nm, a second metal oxide layer with the thickness of 26-400 nm, a third metal or alloy layer with the thickness of 3-20 nm, a second silver or silver alloy layer with the thickness of 5-50 nm, a fourth metal or alloy layer with the thickness of 3-20 nm and a third metal oxide layer with the thickness of 15-200 nm on one side of an optical-grade polyethylene film substrate by adopting magnetron sputtering or thermal evaporation in sequence, thereby forming an optical regulation and control functional layer, and then depositing a layer of gold, titanium or nichrome on the optical regulation and control functional layer by adopting a magnetron sputtering or thermal evaporation process to serve as an anti-oxidation protective layer;
step three, coating polyurethane glue:
adopting a coating technology, and compounding a layer of optical-grade polyethylene film with an anti-oxidation protective layer by using polyurethane glue;
step four, coating acrylic glue:
adopting a coating technology, and compounding the release film and the optical polyethylene film by using acrylic acid glue containing an ultraviolet absorbent;
step five, coating the wear-resistant layer:
the scratch-resistant agent is uniformly coated on the other side of the optical-grade polyethylene film substrate by a coating technology to form the wear-resistant layer.
In the second step, before the optical regulation and control functional layer is deposited, the polyethylene film substrate is baked and subjected to plasma treatment, wherein the baking temperature is 100 ℃, and the voltage range of a plasma source is 1500-3000V.
The invention has the beneficial effects that: the invention comprises an optical-grade polyethylene film base material, wherein one side of the optical-grade polyethylene film base material is provided with a wear-resistant layer, the other side of the optical-grade polyethylene film base material is sequentially provided with an optical regulation and control functional layer, an anti-oxidation protective layer, a polyurethane glue layer, an optical-grade polyethylene film, an acrylic acid glue layer and a release film from inside to outside, the optical regulation and control function layer comprises a first metal oxide layer, a first metal or alloy layer for isolating water vapor, a first silver or silver alloy layer, a second metal or alloy layer for isolating water vapor, a second metal oxide layer, a third metal or alloy layer for isolating water vapor, a second silver or silver alloy layer, a fourth metal or alloy layer for isolating water vapor and a third metal oxide layer which are sequentially distributed from inside to outside, wherein the anti-oxidation protective layer is a layer of gold, titanium or nichrome deposited by adopting a magnetron sputtering or thermal evaporation technology; in summer, the optical regulation and control functional layer and the anti-oxidation protective layer can realize the visible light transmittance of more than 70 percent and the total solar energy obstruction rate of more than 60 percent. In winter, the optical regulation and control functional layer and the anti-oxidation protective layer can achieve more than 80% of indoor and vehicle interior heat retaining effects.
Drawings
FIG. 1 is a schematic view of the structure of a window film of the present invention.
Fig. 2 is a schematic structural diagram of the optical control function layer in fig. 1.
FIG. 3 is a graph showing the visible light region, transmittance and reflectance according to the present invention.
Detailed Description
The invention is further described below with reference to the figures and examples.
As shown in fig. 1, a window film warm in winter and cool in summer comprises an optical-grade polyethylene film substrate 11, wherein a wear-resistant layer 7 is arranged on one side of the optical-grade polyethylene film substrate 11, and an optical regulation and control functional layer 2, an anti-oxidation protective layer 3, a polyurethane glue layer 4, an optical-grade polyethylene film 12, an acrylic acid glue layer 5 containing an ultraviolet absorbent and a release film 6 are sequentially arranged on the other side of the optical-grade polyethylene film substrate 11 from inside to outside.
The abrasion-resistant layer 7 is formed by uniformly coating the scratch-resistant agent on the optical-grade polyethylene film substrate 11 by adopting a coating technology.
As shown in fig. 2, the optical control functional layer 2 includes a first metal oxide layer 21, a first metal or alloy layer 22 for isolating water vapor, a first silver or silver alloy layer 23, a second metal or alloy layer 24 for isolating water vapor, a second metal oxide layer 25, a third metal or alloy layer 26 for isolating water vapor, a second silver or silver alloy layer 27, a fourth metal or alloy layer 28 for isolating water vapor, and a third metal oxide layer 29, which are sequentially distributed from inside to outside.
The first metal oxideThe layer 21, the second metal oxide layer 25 and the third metal oxide layer 29 are TiOx、AZO、NbOx、ITO、SiOxOne or more of them.
The thickness of the first metal oxide layer 21 is 15-200 nm, and the refractive index of the first metal oxide layer is slightly larger than that of the silver or silver alloy layer, so that the transmittance of sunlight is enhanced; the first metal or alloy layer 22 has a thickness of 3-20 nm to protect the silver or silver alloy layer from oxidation; the thickness of the first silver or silver alloy layer 23 is 5-50 nm, and the refractive index of the first silver or silver alloy layer is slightly smaller than that of the metal oxide layer so as to enhance the reflectivity of sunlight; the second metal or alloy layer 24 has a thickness of 3-20 nm to protect the silver or silver alloy layer from oxidation; the thickness of the second metal oxide layer 25 is 26-400 nm, and the refractive index of the second metal oxide layer is slightly larger than that of the silver or silver alloy layer, so that the transmittance of sunlight is enhanced; the third metal or alloy layer 26 has a thickness of 3-20 nm to protect the silver or silver alloy layer from oxidation; the thickness of the second silver or silver alloy layer 27 is 5-50 nm, and the refractive index of the second silver or silver alloy layer is slightly less than that of the metal oxide layer, so that the reflectivity of sunlight is enhanced; the fourth metal or alloy layer 28 is 3-20 nm thick to protect the silver or silver alloy layer from oxidation; the third metal oxide layer 29 has a thickness of 15 to 200nm and a refractive index slightly greater than that of the silver or silver alloy layer, so as to enhance the transmittance of sunlight. The optical regulation and control functional layer 2 with the total thickness of 80-980 nm is formed by a first metal oxide layer 21, a first metal or alloy layer 22 for isolating water vapor, a first silver or silver alloy layer 23, a second metal or alloy layer 24 for isolating water vapor, a second metal oxide layer 25, a third metal or alloy layer 26 for isolating water vapor, a second silver or silver alloy layer 27, a fourth metal or alloy layer 28 for isolating water vapor and a third metal oxide layer 29, and then a layer of gold, titanium or nichrome with the thickness of 3-20 nm is deposited on the optical regulation and control functional layer 2 by adopting a magnetron sputtering or thermal evaporation process to serve as an anti-oxidation protective layer 3. By selecting the materials of the film layers and regulating the thickness of the film layers, the high transmittance of the optical regulating functional layer 2 in a visible light region and the high reflectance of the optical regulating functional layer in an infrared region are realized.
The metal or alloy layer of the first metal or alloy layer 22, the second metal or alloy layer 24, the third metal or alloy layer 26, and the fourth metal or alloy layer 28 is one or more of gold, titanium, chromium, copper, and nichrome.
The storage temperature of the various substrates is 15-35 ℃ and the storage humidity is 35-75%.
A preparation method of a window film warm in winter and cool in summer is characterized by comprising the following steps:
step one, preparing a base material:
preparing an optical polyethylene film substrate 11 with the thickness of 12-100 mu m, an optical polyethylene film 12 with the thickness of 12-100 mu m and a release film 6 with the thickness of 12-24 mu m;
step two, depositing an optical regulation and control functional layer 2 and an anti-oxidation protective layer 3 in vacuum:
before depositing the optical regulation and control function layer 2, baking and plasma processing are carried out on the polyethylene film substrate 11, wherein the baking temperature is 100 ℃, and the voltage range of a plasma source is 1500-3000V. Depositing a first metal oxide layer 21 with the thickness of 15-200 nm, a first metal or alloy layer 22 with the thickness of 3-20 nm, a first silver or silver alloy layer 23 with the thickness of 5-50 nm, a second metal or alloy layer 24 with the thickness of 3-20 nm, a second metal oxide layer 25 with the thickness of 26-400 nm, a third metal or alloy layer 26 with the thickness of 3-20 nm, a second silver or silver alloy layer 27 with the thickness of 5-50 nm, a fourth metal or alloy layer 28 with the thickness of 3-20 nm and a third metal oxide layer 29 with the thickness of 15-200 nm on one side of an optical-grade polyethylene film substrate 11 by magnetron sputtering or thermal evaporation in sequence to form an optical regulation and control functional layer 2, and then depositing a layer of gold, titanium or nichrome on the optical regulation and control functional layer 2 by adopting a magnetron sputtering or thermal evaporation process to serve as an anti-oxidation protection layer 3;
step three, coating polyurethane glue:
a coating technology is adopted, and a layer of optical-grade polyethylene film 12 is compounded with the anti-oxidation protective layer 3 by utilizing polyurethane glue;
step four, coating acrylic acid glue:
the release film 6 and the optical polyethylene film 12 are compounded by acrylic acid glue containing ultraviolet absorbent by adopting a coating technology;
step five, coating the wear-resistant layer 7:
the scratch-resistant agent is uniformly coated on the other side of the optical-grade polyethylene film substrate 11 by a coating technology to form the wear-resistant layer 7.
As shown in FIG. 3, the window film has a maximum transmittance of more than 76% at 380-780 nm in the visible region, an average transmittance of more than 70%, and a maximum reflectance of more than 80% at 780-2500 nm in the infrared region. According to the fact that the visible light transmittance is equal to the ratio of the transmission energy of each wavelength light in the visible light region to the total energy of each wavelength light in the visible light region, and the total solar energy blocking rate is equal to the solar energy reflectance plus 73% multiplied by the solar energy absorption rate, the optical regulation and control functional layer and the anti-oxidation protection layer can achieve the visible light transmittance of more than 70% and the total solar energy blocking rate of more than 60% in summer. In winter, the optical regulation and control functional layer and the anti-oxidation protective layer can achieve more than 80% of heat retaining effects in rooms and vehicles.
Claims (10)
1. The utility model provides a window membrane that winter is warm in summer and cool in summer which characterized in that: the optical-grade polyethylene film comprises an optical-grade polyethylene film base material, wherein a wear-resistant layer is arranged on one side of the optical-grade polyethylene film base material, and an optical regulation and control functional layer, an anti-oxidation protective layer, a polyurethane glue layer, an optical-grade polyethylene film, an acrylic glue layer and a release film are sequentially arranged on the other side of the optical-grade polyethylene film base material from inside to outside.
2. The window film cool in summer and warm in winter of claim 1, wherein: the wear-resistant layer is formed by uniformly coating the scratch-resistant agent on the optical-grade polyethylene film base material by adopting a coating technology.
3. The window film cool in summer and warm in winter of claim 1, wherein: the optical regulation function layer comprises a first metal oxide layer, a first metal or alloy layer for isolating water vapor, a first silver or silver alloy layer, a second metal or alloy layer for isolating water vapor, a second metal oxide layer, a third metal or alloy layer for isolating water vapor, a second silver or silver alloy layer, a fourth metal or alloy layer for isolating water vapor and a third metal oxide layer which are sequentially distributed from inside to outside.
4. A window film cool in summer and warm in winter according to claim 3, wherein: the first, second and third metal oxide layers are TiOx、AZO、NbOx、ITO、SiOxOne or more of them.
5. The window film cool in summer and warm in winter of claim 3, wherein: the first metal oxide layer, the second metal oxide layer and the third metal oxide layer have different thicknesses.
6. The window film cool in summer and warm in winter of claim 3, wherein: the metal or alloy layer of the first metal or alloy layer, the second metal or alloy layer, the third metal or alloy layer and the fourth metal or alloy layer is one or more of gold, titanium, chromium, copper and nichrome.
7. The window film cool in summer and warm in winter of claim 1, wherein: the anti-oxidation protective layer is a layer of gold, titanium or nickel-chromium alloy deposited by adopting a magnetron sputtering or thermal evaporation technology.
8. The window film cool in summer and warm in winter of claim 1, wherein: the acrylic glue layer contains an ultraviolet absorbent.
9. A method of making a window film that is warm in winter and cool in summer according to any one of claims 1-8, comprising the steps of:
step one, preparing a base material:
preparing an optical polyethylene film base material with the thickness of 12-100 mu m, an optical polyethylene film with the thickness of 12-100 mu m and a release film with the thickness of 12-24 mu m;
step two, depositing an optical regulation and control functional layer and an anti-oxidation protective layer in vacuum:
depositing a first metal oxide layer with the thickness of 15-200 nm, a first metal or alloy layer with the thickness of 3-20 nm, a first silver or silver alloy layer with the thickness of 5-50 nm, a second metal or alloy layer with the thickness of 3-20 nm, a second metal oxide layer with the thickness of 26-400 nm, a third metal or alloy layer with the thickness of 3-20 nm, a second silver or silver alloy layer with the thickness of 5-50 nm, a fourth metal or alloy layer with the thickness of 3-20 nm and a third metal oxide layer with the thickness of 15-200 nm on one side of an optical-grade polyethylene film substrate by adopting magnetron sputtering or thermal evaporation in sequence, thereby forming an optical regulation and control functional layer, and then depositing a layer of gold, titanium or nichrome on the optical regulation and control functional layer by adopting a magnetron sputtering or thermal evaporation process to serve as an anti-oxidation protective layer;
step three, coating of polyurethane glue:
adopting a coating technology, and compounding a layer of optical-grade polyethylene film with an anti-oxidation protective layer by using polyurethane glue;
step four, coating acrylic glue:
the coating technology is adopted, and the release film and the optical-grade polyethylene film are compounded by utilizing acrylic acid glue containing an ultraviolet absorbent;
step five, coating the wear-resistant layer:
the scratch-resistant agent is uniformly coated on the other side of the optical-grade polyethylene film substrate by a coating technology to form the wear-resistant layer.
10. The method for preparing a window film warm in winter and cool in summer according to claim 9, wherein in the second step, before depositing the optical control functional layer, the polyethylene film substrate is baked and plasma-treated, the baking temperature is 100 ℃, and the voltage range of the plasma source is 1500-3000V.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210324287.8A CN114771062A (en) | 2022-03-30 | 2022-03-30 | Window film warm in winter and cool in summer and preparation method thereof |
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| CN202210324287.8A CN114771062A (en) | 2022-03-30 | 2022-03-30 | Window film warm in winter and cool in summer and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115232345A (en) * | 2022-08-12 | 2022-10-25 | 佘乾鹏 | Scattering type intelligent temperature control film |
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| CN104354412A (en) * | 2014-11-03 | 2015-02-18 | 大连爱瑞德纳米科技有限公司 | Solar heat insulation film and method for continuously preparing solar heat insulation films |
| CN104354413A (en) * | 2014-11-03 | 2015-02-18 | 大连爱瑞德纳米科技有限公司 | Method for preventing metal layer in fenestrated film from being oxidated and fenestrated film |
| CN206124396U (en) * | 2016-09-08 | 2017-04-26 | 江苏双星彩塑新材料股份有限公司 | Grass green fenestrated membrane |
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2022
- 2022-03-30 CN CN202210324287.8A patent/CN114771062A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104354412A (en) * | 2014-11-03 | 2015-02-18 | 大连爱瑞德纳米科技有限公司 | Solar heat insulation film and method for continuously preparing solar heat insulation films |
| CN104354413A (en) * | 2014-11-03 | 2015-02-18 | 大连爱瑞德纳米科技有限公司 | Method for preventing metal layer in fenestrated film from being oxidated and fenestrated film |
| CN206124396U (en) * | 2016-09-08 | 2017-04-26 | 江苏双星彩塑新材料股份有限公司 | Grass green fenestrated membrane |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115232345A (en) * | 2022-08-12 | 2022-10-25 | 佘乾鹏 | Scattering type intelligent temperature control film |
| CN115232345B (en) * | 2022-08-12 | 2024-01-26 | 佘乾鹏 | Scattering type intelligent temperature control film |
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