CN204382750U - A kind of solar energy thermal isolation film - Google Patents
A kind of solar energy thermal isolation film Download PDFInfo
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- CN204382750U CN204382750U CN201420653753.8U CN201420653753U CN204382750U CN 204382750 U CN204382750 U CN 204382750U CN 201420653753 U CN201420653753 U CN 201420653753U CN 204382750 U CN204382750 U CN 204382750U
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Abstract
The utility model discloses a kind of solar energy thermal isolation film; the transparent polyethylene plastic film substrate adopting vacuum coating technology to harden at one side deposits heat-insulating function layer; and then utilize high accuracy coating process, by compounds such as acrylate glue adhensive layer, diaphragm, ultraviolet absorber, mould release membrances on a functional.Ultraviolet absorber: the mass ratio of acrylic acid adhesive is 0.01 ~ 0.05:95 ~ 100, the transparent oxide that heat-insulating function layer is deposited by multi-layer vacuum or nitride film and metallic film form.The utility model solar energy thermal isolation film is the near infrared light rejection rate more than 70% of 780 ~ 1100nm to wavelength, it is the light transmittance more than 70% of the visible ray of 380 ~ 780nm to wavelength, more than 99.9% is reached to the ultraviolet light rejection rate that wavelength is below 380nm, the existing good effect of heat insulation of the utility model, in turn ensure that very high visible light transmissivity, also there is good preventing ultraviolet effect simultaneously.
Description
Technical field
The utility model relates to solar energy thermal isolation film field, particularly a kind of solar energy thermal isolation film.
Background technology
Solar energy thermal isolation film is that one is widely used in building glass and automotive window, the thin-film material of selective absorbing or the IR intercepted in sunshine and ultraviolet light.Solar energy thermal isolation film has conveniently installs, changes the advantages such as simple, pollution-free and explosion-proof, therefore has wide market development prospect.Have multiple thermal isolation film product both at home and abroad at present, but higher light transmittance, good heat-proof quality can not be had simultaneously and intercept ultraviolet performance.Due to the limitation of functional layer technology, thermal isolation film domestic at present roughly can be divided into two classes: a class is coated with coated film that is infrared and ultraviolet absorber, this thermal insulation film can absorb ultraviolet in sunray and infrared ray, beginning a few minutes can intercept daylight heat really, along with the heat of absorbent is saturated, coated film can not absorb more ultraviolet again and ultrared time, the ultraviolet in daylight and infrared ray will penetrate coated film, and heat will all be transferred in indoor and car.And coated film originally also can become the thermal source of radiations heat energy in indoor and car after heat is saturated.Another kind of thermal isolation film is reflective membrane.This class thermal isolation film uses vacuum equipment deposition layer of metal film, can infrared ray in reflecting sunlight, have certain ultraviolet-resistant effect, but metal film is also very high to the reflection of visible ray simultaneously, if large area uses, can causes serious light pollution.
Due to the monopolization of foreign technology, external similar high-end product keeps high price in Chinese market always.External product adopts vacuum equipment reactive sputtering oxide and metallic film, metal level can be run in process of production and reacting gas interacts and loses a difficult problem for effect of heat insulation, thus need in production equipment, increase isolation setting or increase separation layer in the product, this just makes the production cost of product remain high.Find through detecting, external high-end product is difficult to take into account visible light transmittance rate and infrared reflectivity, the infrared barrier rate that visible light transmissivity can reach the product of more than 70% is often no more than 50%, and the visible light transmissivity that infrared barrier rate reaches the product of more than 70% is often no more than 40%.And most of external product all with the addition of infrared absorbing agents, this just makes the temperature of thermal isolation film itself to raise, thus deformation occurs, and affects life-span and the stability of product.
Along with the development of industrialization society, global warming, hot summer, the dependency degree of people to the refrigeration plant such as air-conditioning, electric fan significantly promotes, this just needs to consume the huge energy, and nowadays global energy reserves are fewer and feweri, expensive, therefore, developing a kind of solar energy thermal isolation film having higher visible light transmissivity and good infrared ray rejection rate concurrently is the task of top priority.
Utility model content
For solving above-mentioned prior art Problems existing, first object of the present utility model is: propose a kind of solar energy thermal isolation film having higher visible light transmissivity and good infrared ray rejection rate concurrently.
For achieving the above object, the technical solution of the utility model is:
A kind of solar energy thermal isolation film, comprising:
Adopt vacuum coating technology, in vacuum 10
-5pa, the heat-insulating function layer that the transparent polyethylene plastic film substrate of one side hardened layer deposits, and be compounded in acrylate glue adhensive layer on heat-insulating function layer successively, protective film, UV absorbing layer, mould release membrance that transparent polyethylene plastic film substrate is formed; Putting in order of each layer of described solar energy thermal isolation film is followed successively by one side hardened layer, transparent polyethylene plastic film substrate, heat-insulating function layer, acrylate glue adhensive layer, protective film, the UV absorbing layer be made up of ultraviolet absorber and acrylic acid adhesive and mould release membrance.
Further, the ultraviolet absorber of described UV absorbing layer: the mass ratio of acrylic acid adhesive is 0.01 ~ 0.05:95 ~ 100.
Further, the transparent oxide that deposited by multi-layer vacuum of heat-insulating function layer or nitride film and metallic film form.
Further, described one side hardened layer is made up of silica dioxide coating or silicone oil coating.
Further, the thickness of described solar energy thermal isolation film is 30 ~ 488 μm, and wherein, the thickness of one side hardened layer is 1 ~ 18 μm; The thickness of transparent polyethylene plastic film substrate is 10 ~ 375 μm; The thickness of heat-insulating function layer is 10 ~ 200nm; The thickness of acrylate glue adhensive layer is 2 ~ 10 μm; The thickness of the protective film that transparent polyethylene plastic film substrate is formed is 10 ~ 50 μm; The thickness of UV absorbing layer is 2 ~ 10 μm; The thickness of mould release membrance is 5 ~ 25 μm.
Further, the thickness of described transparent polyethylene plastic film substrate is identical with the thickness of protective film, or different;
The thickness of described acrylate glue adhensive layer is identical with the thickness of UV absorbing layer, or different.
A method for the above-mentioned solar energy thermal isolation film of continuous production, concrete preparation method comprises the steps:
Step one, preparation base material
Prepare the transparent polyethylene plastic film substrate that thickness is 10 ~ 375 μm,
The mould release membrance that the protective film that thickness is 10 ~ 50 μm of transparent polyethylene plastic film substrates, thickness are 5 ~ 25 μm;
Step 2, coating one side hardened layer
With high accuracy coating machine, the one side that silica or silicone oil coating are coated on transparent polyethylene plastic film substrate by the thickness of 1 ~ 18 μm is formed one side hardened layer;
Step 3, vacuum moulding machine heat-insulating function layer
At environment temperature is 20 ~ 35 DEG C, vacuum 10
-5pa, adopt vacuum equipment on the transparent polyethylene plastic film substrate hardened through one side depositing transparent indium thing or nitride film and metallic film as heat-insulating function layer;
The coating of step 4, diaphragm both sides acryloid cement
High accuracy coating machine is used to be coated with acryloid cement and UV absorbing layer respectively on protective film two sides; and be covered with mould release membrance in UV absorbing layer side; by the transparent polyethylene plastic film substrate compound that the one side with heat-insulating function layer prepared in the protective film after coating and step 3 hardens, thus obtain the solar energy thermal isolation film of MULTILAYER COMPOSITE.
Further, the preparation method of described heat-insulating function layer is vacuum moulding machine, or magnetron sputtering deposition, or electron-beam evaporation, or thermal evaporation deposition.
Further, the thickness of described solar energy thermal isolation film is 30 ~ 488 μm; The thickness of one side hardened layer is 1 ~ 18 μm; The thickness of heat-insulating function layer is 10 ~ 200nm; The thickness of acrylate glue adhensive layer is 2 ~ 10 μm; The thickness of UV absorbing layer is 2 ~ 10 μm.
Further, the thickness of described transparent polyethylene plastic film substrate is identical with the thickness of transparent polyethylene plastic film substrate, or different;
The thickness of described acrylate glue adhensive layer is identical with the thickness of UV absorbing layer, or different.
Relative to prior art, the beneficial effects of the utility model are: technical solutions of the utility model propose a kind of solar energy thermal isolation film with composite construction, the complex be made up of one side hardened layer, transparent polyethylene plastic film substrate, heat-insulating function layer, acrylate glue adhensive layer, transparent polyethylene plastic film substrate, ultraviolet absorber and acrylate glue adhensive layer and mould release membrance.Mutually coordinate between each layer, support each other, transparent polyethylene plastic film substrate itself has the effect absorbing ultraviolet and reflected infrared ray, and the ultraviolet absorber in acrylate glue adhensive layer can make solar energy thermal isolation film reach more than 99% to the ultraviolet rejection rate that wavelength is below 380nm; Heat-insulating function layer greatly improves solar energy thermal isolation film to ultrared barriering effect.Experiment proves, the thermal isolation film of heat-insulating function layer is not had to be no more than 18% for the ultrared rejection rate of wave-length coverage between 780nm ~ 1100nm, and the solar energy thermal isolation film with heat-insulating function layer is that ultrared rejection rate between 780nm ~ 1100nm reaches more than 70% at wavelength, the transmitance being simultaneously visible region between 380nm ~ 780nm at wavelength reaches more than 70%.This solar energy thermal isolation film had both had higher light transmittance, had again good effect of heat insulation, also had the protective effect of isolated ultraviolet.The preparation method of solar energy thermal isolation film of the present utility model is simple, and one side hardened layer has reinforcement protection effect to whole film body, one side hardened layer, ultraviolet absorber and acrylate glue adhensive layer can on large-scale precision coating apparatus production line balance; Heat-insulating function layer can be produced by takeup type in vacuum coating equipment, mould release membrance and two-layer transparent polyethylene plastic film substrate can on large-scale precision equipment complex streamline compound, be convenient to produce in batches.Mould release membrance itself has protective effect to solar energy thermal isolation film, easily peels off during use.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model solar energy thermal isolation film.
Wherein, 1-one side hardened layer, 21-transparent polyethylene plastic film substrate, 22-protective film, 3-heat-insulating function layer, 41-acrylate glue adhensive layer, 42-UV absorbing layer, 5-mould release membrance.
Detailed description of the invention
Below in conjunction with the drawings and the specific embodiments, the utility model scheme is described in further detail,
As shown in Figure 1, a kind of solar energy thermal isolation film, comprising:
Adopt vacuum coating technology, in vacuum 10-5pa, the heat-insulating function layer 3 of deposition on the transparent polyethylene plastic film substrate 21 of one side hardened layer 1, and be compounded in acrylate glue adhensive layer 41 on heat-insulating function layer 3 successively, protective film 22, UV absorbing layer 42, mould release membrance 5 that transparent polyethylene plastic film substrate is formed; Putting in order of each layer of described solar energy thermal isolation film is followed successively by one side hardened layer 1, transparent polyethylene plastic film substrate 21, heat-insulating function layer 3, acrylate glue adhensive layer 41, protective film 22, the UV absorbing layer 42 be made up of ultraviolet absorber and acrylic acid adhesive and mould release membrance 5.The ultraviolet absorber of described UV absorbing layer 42: the mass ratio of acrylic acid adhesive is 0.01 ~ 0.05:95 ~ 100.The transparent oxide that heat-insulating function layer 3 is deposited by multi-layer vacuum or nitride film and metallic film form.Described one side hardened layer 1 is made up of silica dioxide coating or silicone oil coating.The thickness of described solar energy thermal isolation film is 30 ~ 488 μm, and wherein, the thickness of one side hardened layer 1 is 1 ~ 18 μm; The thickness of transparent polyethylene plastic film substrate 21 is 10 ~ 375 μm; The thickness of heat-insulating function layer 3 is 10 ~ 200nm; The thickness of acrylate glue adhensive layer 41 is 2 ~ 10 μm; The thickness of the protective film 22 that transparent polyethylene plastic film substrate is formed is 10 ~ 50 μm; The thickness of UV absorbing layer 42 is 2 ~ 10 μm; The thickness of mould release membrance 5 is 5 ~ 25 μm.The thickness of described transparent polyethylene plastic film substrate 21 is identical with the thickness of protective film 22, or different; The thickness of described acrylate glue adhensive layer 41 is identical with the thickness of UV absorbing layer 42, or different.
Embodiment 1:
A kind of solar energy thermal isolation film, comprising:
Adopt vacuum coating technology, in vacuum 10-5pa, the heat-insulating function layer 3 of deposition on the transparent polyethylene plastic film substrate 21 of one side hardened layer 1, and be compounded in acrylate glue adhensive layer 41 on heat-insulating function layer 3 successively, protective film 22, UV absorbing layer 42, mould release membrance 5 that transparent polyethylene plastic film substrate is formed; Putting in order of each layer of described solar energy thermal isolation film is followed successively by one side hardened layer 1, transparent polyethylene plastic film substrate 21, heat-insulating function layer 3, acrylate glue adhensive layer 41, protective film 22, the UV absorbing layer 42 be made up of ultraviolet absorber and acrylic acid adhesive and mould release membrance 5.The ultraviolet absorber of described UV absorbing layer 42: the mass ratio of acrylic acid adhesive is 0.01:95.The transparent oxide that heat-insulating function layer 3 is deposited by multi-layer vacuum or nitride film and metallic film form.Described one side hardened layer 1 is made up of silica dioxide coating or silicone oil coating.The thickness of one side hardened layer 1 is 2 μm; The thickness of heat-insulating function layer 3 is 20nm; The thickness of acrylate glue adhensive layer 41 is 6 μm; The thickness of UV absorbing layer 42 is 3 μm.
A method for continuous production solar energy thermal isolation film,
Concrete operations are as follows:
[1] base material is prepared
Prepare the transparent polyethylene plastic film substrate 21 that thickness is 38 μm,
The mould release membrance 5 that the protective film 22 that thickness is 20 μm of transparent polyethylene plastic film substrates, thickness are 30 μm;
[2] one side hardened layer is coated with
With high accuracy coating machine, the one side that the coating such as silica, silicone oil is coated on transparent polyethylene plastic film substrate 21 by the thickness of 2 μm is formed one side hardened layer;
[3] vacuum moulding machine heat-insulating function layer
At environment temperature is 20 ~ 35 DEG C, adopt vacuum equipment on the transparent polyethylene plastic film substrate 21 hardened through one side depositing transparent indium thing or nitride film and metallic film as heat-insulating function layer 3;
[4] coating of diaphragm both sides acryloid cement
High accuracy coating machine is used to be coated with acryloid cement 41 and UV absorbing layer 42 respectively on protective film 22 two sides; and be covered with mould release membrance 5 in UV absorbing layer 42 side; by transparent polyethylene plastic film substrate 21 compound that the one side with functional layer prepared in the diaphragm after coating and step [3] hardens, thus obtain the solar energy thermal isolation film of MULTILAYER COMPOSITE.(as shown in Figure 1)
Wherein the thickness of one side hardened layer 1 is 2 μm; The thickness of heat-insulating function layer 3 is 20nm; The thickness of acrylate glue adhensive layer 41 is 6 μm; The thickness of UV absorbing layer 42 is 3 μm.
The preparation method of above-mentioned heat-insulating function layer is vacuum moulding machine, or observing and controlling sputtering sedimentation, or electron-beam evaporation, or thermal evaporation deposition.
Embodiment 2:
A kind of solar energy thermal isolation film, comprising:
Adopt vacuum coating technology, in vacuum 10
-5pa, the heat-insulating function layer 3 of deposition on the transparent polyethylene plastic film substrate 21 of one side hardened layer 1, and be compounded in acrylate glue adhensive layer 41 on heat-insulating function layer 3 successively, protective film 22, UV absorbing layer 42, mould release membrance 5 that transparent polyethylene plastic film substrate is formed; Putting in order of each layer of described solar energy thermal isolation film is followed successively by one side hardened layer 1, transparent polyethylene plastic film substrate 21, heat-insulating function layer 3, acrylate glue adhensive layer 41, protective film 22, the UV absorbing layer 42 be made up of ultraviolet absorber and acrylic acid adhesive and mould release membrance 5.The ultraviolet absorber of described UV absorbing layer 42: the mass ratio of acrylic acid adhesive is 0.05:100.The transparent oxide that heat-insulating function layer 3 is deposited by multi-layer vacuum or nitride film and metallic film form.Described one side hardened layer 1 is made up of silica dioxide coating or silicone oil coating.Wherein, the thickness of one side hardened layer 1 is 3 μm; The thickness of heat-insulating function layer 3 is 70nm; The thickness of acrylate glue adhensive layer 41 is 6 μm; The thickness of UV absorbing layer 42 is 4 μm.
A method for continuous production solar energy thermal isolation film,
Concrete operations are as follows:
[1] base material is prepared
Prepare the transparent polyethylene plastic film substrate 21 that thickness is 38 μm,
The mould release membrance 5 that the protective film 22 that thickness is 20 μm of transparent polyethylene plastic film substrates, thickness are 30 μm;
[2] one side hardened layer is coated with
With high accuracy coating machine, the one side that the coating such as silica, silicone oil is coated on transparent polyethylene plastic film substrate 21 by the thickness of 3 μm is formed one side hardened layer 1;
[3] vacuum moulding machine heat-insulating function layer
At environment temperature is 20 ~ 35 DEG C, adopt vacuum equipment on the transparent polyethylene plastic film substrate 21 hardened through one side depositing transparent indium thing or nitride film and metallic film as heat-insulating function layer 3;
[4] coating of diaphragm both sides acryloid cement
High accuracy coating machine is used to be coated with acryloid cement 41 and UV absorbing layer 42 respectively on protective film 22 two sides; and be covered with mould release membrance 5 at ultraviolet absorber and acryloid cement 42 side; by transparent polyethylene plastic film substrate 21 compound that the one side with functional layer prepared in the diaphragm after coating and step [3] hardens, thus obtain the solar energy thermal isolation film of MULTILAYER COMPOSITE.(as shown in Figure 1)
Wherein the thickness of one side hardened layer 1 is 3 μm; The thickness of heat-insulating function layer 3 is 70nm; The thickness of acrylate glue adhensive layer 41 is 6 μm; The thickness of UV absorbing layer 42 is 4 μm.
The preparation method of above-mentioned heat-insulating function layer is vacuum moulding machine, or observing and controlling sputtering sedimentation, or electron-beam evaporation, or thermal evaporation deposition.
Embodiment 3:
A kind of solar energy thermal isolation film, comprising:
Adopt vacuum coating technology, in vacuum 10
-5pa, the heat-insulating function layer 3 of deposition on the transparent polyethylene plastic film substrate 21 of one side hardened layer 1, and be compounded in acrylate glue adhensive layer 41 on heat-insulating function layer 3 successively, protective film 22, UV absorbing layer 42, mould release membrance 5 that transparent polyethylene plastic film substrate is formed; Putting in order of each layer of described solar energy thermal isolation film is followed successively by one side hardened layer 1, transparent polyethylene plastic film substrate 21, heat-insulating function layer 3, acrylate glue adhensive layer 41, protective film 22, the UV absorbing layer 42 be made up of ultraviolet absorber and acrylic acid adhesive and mould release membrance 5.The ultraviolet absorber of described UV absorbing layer 42: the mass ratio of acrylic acid adhesive is 0.03:97.The transparent oxide that heat-insulating function layer 3 is deposited by multi-layer vacuum or nitride film and metallic film form.Described one side hardened layer 1 is made up of silica dioxide coating or silicone oil coating.Wherein, the thickness of one side hardened layer 1 is 4 μm; The thickness of heat-insulating function layer 3 is 150nm; The thickness of acrylate glue adhensive layer 41 is 6 μm; The thickness of UV absorbing layer 42 is 5 μm.
A method for continuous production solar energy thermal isolation film,
Concrete operations are as follows:
[1] base material is prepared
Prepare the transparent polyethylene plastic film substrate 21 that thickness is 38 μm,
The mould release membrance 5 that the protective film 22 that thickness is 20 μm of transparent polyethylene plastic film substrates, thickness are 30 μm;
[2] one side hardened layer is coated with
With high accuracy coating machine, the one side that the coating such as silica, silicone oil is coated on transparent polyethylene plastic film substrate 21 by the thickness of 4 μm is formed one side hardened layer 1;
[3] vacuum moulding machine heat-insulating function layer
At environment temperature is 20 ~ 35 DEG C, adopt vacuum equipment on the transparent polyethylene plastic film substrate 21 hardened through one side depositing transparent indium thing or nitride film and metallic film as heat-insulating function layer 3;
[4] coating of diaphragm both sides acryloid cement
High accuracy coating machine is used to be coated with acryloid cement 41 and UV absorbing layer 42 respectively on transparent polyethylene plastic film substrate 22 two sides; and be covered with mould release membrance 5 in UV absorbing layer 42 side; by transparent polyethylene plastic film substrate 21 compound that the one side with functional layer prepared in the diaphragm after coating and step [3] hardens, thus obtain the solar energy thermal isolation film of MULTILAYER COMPOSITE.(as shown in Figure 1)
Wherein the thickness of one side hardened layer 1 is 4 μm; The thickness of heat-insulating function layer 3 is 150nm; The thickness of acrylate glue adhensive layer 41 is 6 μm; The thickness of UV absorbing layer 42 is 5 μm.
The preparation method of above-mentioned heat-insulating function layer is vacuum moulding machine, or observing and controlling sputtering sedimentation, or electron-beam evaporation, or thermal evaporation deposition.
The performance data table of each embodiment:
The above, be only detailed description of the invention of the present utility model, but protection domain of the present utility model is not limited thereto, and any change of expecting without creative work or replacement, all should be encompassed within protection domain of the present utility model.Therefore, the protection domain that protection domain of the present utility model should limit with claims is as the criterion.
Claims (5)
1. a solar energy thermal isolation film, is characterized in that, comprising:
Adopt vacuum coating technology, in vacuum 10
-5pa is at the heat-insulating function layer (3) of the upper deposition of the transparent polyethylene plastic film substrate (21) of one side hardened layer (1), and the protective film (22), UV absorbing layer (42), the mould release membrance (5) that form of laminating acrylate glue adhensive layer (41) on heat-insulating function layer (3), transparent polyethylene plastic film substrate successively; Putting in order of each layer of described solar energy thermal isolation film is followed successively by one side hardened layer (1), transparent polyethylene plastic film substrate (21), heat-insulating function layer (3), acrylate glue adhensive layer (41), protective film (22), UV absorbing layer (42) and mould release membrance (5).
2. solar energy thermal isolation film according to claim 1, is characterized in that, the transparent oxide that heat-insulating function layer (3) is deposited by multi-layer vacuum or nitride film and metallic film form.
3. solar energy thermal isolation film according to claim 1, is characterized in that, described one side hardened layer (1) is made up of silica dioxide coating or silicone oil coating.
4. solar energy thermal isolation film according to claim 1, is characterized in that, the thickness of described solar energy thermal isolation film is 30 ~ 488 μm, and wherein, the thickness of one side hardened layer (1) is 1 ~ 18 μm; The thickness of transparent polyethylene plastic film substrate (21) is 10 ~ 375 μm; The thickness of heat-insulating function layer (3) is 10 ~ 200nm; The thickness of acrylate glue adhensive layer (41) is 2 ~ 10 μm; The thickness of the protective film (22) that transparent polyethylene plastic film substrate is formed is 10 ~ 50 μm; The thickness of UV absorbing layer (42) is 2 ~ 10 μm; The thickness of mould release membrance (5) is 5 ~ 25 μm.
5. solar energy thermal isolation film according to claim 2, is characterized in that, the thickness of described transparent polyethylene plastic film substrate (21) is identical with the thickness of protective film (22), or different;
The thickness of described acrylate glue adhensive layer (41) is identical with the thickness of UV absorbing layer (42), or different.
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| CN201420653753.8U CN204382750U (en) | 2014-11-03 | 2014-11-03 | A kind of solar energy thermal isolation film |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109968769A (en) * | 2019-03-29 | 2019-07-05 | 中国科学院上海技术物理研究所 | A kind of low-cost large-area Non-energy-consumption radiation refrigeration laminated film and preparation method |
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2014
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109968769A (en) * | 2019-03-29 | 2019-07-05 | 中国科学院上海技术物理研究所 | A kind of low-cost large-area Non-energy-consumption radiation refrigeration laminated film and preparation method |
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Inventor after: Dou Wei Inventor after: Chen Tupei Inventor before: Zhu Wei |
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Free format text: CORRECT: INVENTOR; FROM: ZHU WEI TO: DOU WEI CHEN TUPEI |
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Address after: No. 66-1, Section 2, Yinxing Road, Huayuankou Economic Zone, Dalian, Liaoning Province, 116000 Patentee after: Airade Technology (Dalian) Co.,Ltd. Address before: A1-142 Office Building, Huayuankou Economic Zone Management Committee, Dalian City, Liaoning Province, 116000 Patentee before: DALIAN AIRUIDE NANO SCIENCE & TECHNOLOGY CO.,LTD. |
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