CN104476840B - A kind of flexible membrane - Google Patents
A kind of flexible membrane Download PDFInfo
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- CN104476840B CN104476840B CN201410705978.8A CN201410705978A CN104476840B CN 104476840 B CN104476840 B CN 104476840B CN 201410705978 A CN201410705978 A CN 201410705978A CN 104476840 B CN104476840 B CN 104476840B
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- thin film
- optical thin
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- flexible membrane
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Classifications
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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
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
- B32B9/04—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B9/045—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00 comprising such particular substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- 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
-
- 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
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- 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
- B32B2250/00—Layers arrangement
- B32B2250/04—4 layers
-
- 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
-
- 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
- B32B2601/00—Upholstery
-
- 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
- B32B2605/00—Vehicles
- B32B2605/006—Transparent parts other than made from inorganic glass, e.g. polycarbonate glazings
Landscapes
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
The invention provides a kind of flexible membrane, including: flexible parent metal；It is compound in the first optical thin film of described substrate surface；It is compound in the second optical thin film of described first Optical Coatings Surface；It is compound in the 3rd optical thin film of described second Optical Coatings Surface；Described first optical thin film is NiCr film；Described second optical thin film is tin-copper alloy film；Described 3rd optical thin film is NiCr film；The thickness of described 3rd optical thin film is 1.2～2 with the ratio range of the thickness of described first optical thin film.In the application, the first optical thin film and the 3rd optical thin film are as dielectric layer, and it can modify the visible light transmissivity of copper alloy layer；And the application is by limiting the thickness ratio of optical thin film so that it is thickness reaches good cooperation, advantageously ensure that flexible membrane has higher visible light transmissivity and relatively low infrared light transmittance.
Description
Technical field
The present invention relates to coating technique field, particularly relate to a kind of flexible membrane.
Background technology
Glass fenestrated membrane is the polyester composite sheet material of a kind of multifunction, is attached to glass surface energy
Enough improve performance and the intensity of glass.Different according to the field of application, glass fenestrated membrane can be divided into:
Building glass fenestrated membrane, vehicle glass fenestrated membrane and safety glass fenestrated membrane.Wherein it is attached in vehicle glass
The vehicle glass fenestrated membrane of outer surface, has energy-saving heat-insulating, acts on every ultraviolet, safe antitheft etc.；
The visible light transmissivity of fenestrated membrane is required the highest with visible reflectance by it simultaneously.
Fine silver is a kind of argenteous metal, has good ductility, its electric conductivity and heat transfer
Property is the highest in all metals.Silver in nature presented in simple substance；Nanostructured
Silver be the nanometer island conductor material of a kind of thickness only 10nm～40nm, receive due to therein
Rice island gap makes it have higher permeability to visible ray, and has higher resistance to infrared light
Every property, therefore, a kind of transparent material more conventional during silver is glass fenestrated membrane.
In actual applications, the making of fenestrated membrane can use the method for physical vacuum first to be sunk by Ag
Amass and make thin film on base material (glass or PET) surface, utilize high index of refraction the most as required
Interference with Ag layer with the other materials of nano thickness, so that the fenestrated membrane of preparation reaches anti-reflection
Effect.Ag thin film can reach 99% to the reflectance of infrared band, but the surface of silver is easy
Oxidized, the Ag surface after oxidation is only about 80% to the reflectance of infrared band；Simultaneously
In the fenestrated membrane with PET as base material, owing to Ag class thin film needing to insert adhesive film, therefore
Multiple very thin metal adhesive film in fenestrated membrane structure makes material structure become complicated, and adds
The cost made.
Summary of the invention
Present invention solves the technical problem that and be to provide a kind of visible light transmissivity height, infrared ray saturating
Rate of crossing is low and lower-cost flexible membrane.
In view of this, this application provides a kind of flexible membrane, including:
Flexible parent metal；It is compound in the first optical thin film of described substrate surface；It is compound in described
Second optical thin film of one Optical Coatings Surface；It is compound in the of described second Optical Coatings Surface
Three optical thin films；
Described first optical thin film is NiCr film；Described second optical thin film is tin-copper alloy film；
Described 3rd optical thin film is NiCr film；
The thickness of described 3rd optical thin film and the ratio model of the thickness of described first optical thin film
Enclose is 1.2～2.
Preferably, described first optical thin film is with the refractive index of third layer optical thin film
2.0～2.1.
Preferably, the refractive index of described second optical thin film is 0.01～0.02.
Preferably, described flexible parent metal is polyethylene terephthalate, poly-naphthalenedicarboxylic acid second
Diol ester, polymethyl methacrylate or acrylic resin.
Preferably, the thickness of described flexible parent metal is 0.025mm～0.050mm.
Preferably, the copper alloy in described tin-copper alloy film is CuNi, CuSn or CuZn.
Preferably, the thickness of described first optical thin film is 7～20nm.
Preferably, the thickness of described first optical thin film is 10～15nm.
Preferably, the thickness of described second optical thin film is 10～25nm.
Preferably, the thickness of described second optical thin film is 10～15nm.
Preferably, the thickness of described 3rd optical thin film is 9nm～25nm.
Preferably, the thickness of described 3rd optical thin film is 17nm～24nm.
Preferably, the transmission of visible light of described flexible membrane is more than 80%, and infrared transmittivity is less than
25%.
This application provides a kind of flexible membrane, including: flexible parent metal；It is compound in described base material table
First optical thin film in face；It is compound in the second optical thin film of described first Optical Coatings Surface；
It is compound in the 3rd optical thin film of described second Optical Coatings Surface；Described first optical thin film is
NiCr film；Described second optical thin film is tin-copper alloy film；Described 3rd optical thin film is NiCr
Film；The thickness of described 3rd optical thin film and the ratio range of the thickness of described first optical thin film
It is 1.2～2.The application by being combined the first optical thin film NiCr successively on PET base material surface
Layer, the second optical thin film copper alloy layer and the 3rd optical thin film NiCr layer, wherein the first optics
Thin film and the 3rd optical thin film are as dielectric layer, and it can modify the visible light-transmissive of copper alloy layer
Rate, so that flexible membrane has higher visible light transmissivity and relatively low infrared light transmittance；
And the application is by limiting the thickness ratio of the first optical thin film and the 3rd optical thin film, makes thin film
Thickness reach good cooperation, advantageously ensure that flexible membrane has higher visible light transmissivity
With relatively low infrared light transmittance.On the other hand, the flexible membrane of the application only includes three layers of optics
Thin film, thus reduce the cost of flexible membrane.Test result indicate that, flexible membrane of the present invention can
Seeing that light transmission rate is more than 80%, infrared transmittivity is less than 25%.
Accompanying drawing explanation
Fig. 1 is the structural representation of flexible membrane of the present invention.
Detailed description of the invention
In order to be further appreciated by the present invention, below in conjunction with embodiment to the preferred embodiment of the invention
It is described, but it is to be understood that these describe simply as further illustrating inventive feature
With advantage rather than limiting to the claimed invention.
The embodiment of the invention discloses a kind of flexible membrane, including:
Flexible parent metal；It is compound in the first optical thin film of described substrate surface；It is compound in described
Second optical thin film of one Optical Coatings Surface；It is compound in the of described second Optical Coatings Surface
Three optical thin films；
Described first optical thin film is NiCr film；Described second optical thin film is tin-copper alloy film；
Described 3rd optical thin film is NiCr film；
The thickness of described 3rd optical thin film and the ratio model of the thickness of described first optical thin film
Enclose is 1.2～2.
The application by be combined successively in flexible PET base material the first optical thin film NiCr layer,
Second optical thin film Cu alloy-layer and the 3rd optical thin film NiCr layer, and by limiting the first light
Learn thin film and the thickness ratio of the 3rd optical thin film, make flexible membrane have higher visible light transmissivity
With relatively low infrared light transmittance.
As it is shown in figure 1, the structural representation that Fig. 1 is flexible membrane of the present invention, wherein 1 is PET
Base material, 2 is the first optical thin film, and 3 is the second optical thin film, and 4 is the 3rd optical thin film.
Base material described herein is flexible substrates, and it can be that one side stiffened flexible substrates also may be used
Thinking two-sided stiffened flexible parent metal, the single or double of the most described base material is through cure process.Institute
State flexible parent metal preferably include polyethylene terephthalate, PEN,
Polymethyl methacrylate or acrylic resin, more preferably polyethylene terephthalate.
The thickness of described flexible parent metal is preferably 0.025mm～0.050mm, more preferably
0.030mm～0.040mm.
According to the present invention, described first optical thin film and the 3rd optical thin film are high index of refraction electrolysis
Matter thin film.Described first optical thin film and the 3rd optical thin film, as dielectric layer, are used for modifying the
The visible light transmissivity of two optical thin films.Described first optical thin film NiCr layer and described second light
The refractive index learning thin film NiCr layer is 2.0～2.1.At optical film technology field, material determines
In the case of, the refractive index of material namely determines.3rd optical thin film described herein
The ratio range of thickness of thickness and described first optical thin film be 1.2～2.Preferably, institute
The thickness ratio stating the 3rd optical thin film and described first optical thin film is 1.3～1.8.Concrete,
In certain embodiments, the thickness of described first optical thin film is preferably 7～20nm.At some
In embodiment, the thickness of described 3rd optical thin film is preferably 9nm～25nm.Implement at some
In example, the thickness of described first optical thin film is more preferably 10～15mm.In certain embodiments,
The thickness of described 3rd optical thin film is more preferably 17～24nm.In a particular embodiment, described
The thickness of the first optical thin film is preferably 10～15mm, the thickness of the most described 3rd optical thin film
It is preferably 17～24nm.Described first optical thin film is excessive with the thickness of described 3rd optical thin film
Or too small, all can make its optical curve sideslip, the most described first optical thin film and described 3rd light
The thickness learning thin film is excessive or too small, all can make the visible ray of flexible membrane and ultrared transmitance
It is affected.
The material of the second optical thin film described herein is copper alloy.Described second optical thin film
The i.e. refractive index of copper alloy layer is 0.01～0.02, described copper alloy be preferably CuNi, CuSn or
CuZn.If only complex copper alloy-layer in PET base material, then the infrared light that can make flexible membrane is saturating
Cross rate high, it is seen that the transmitance of light is low, and affects the optical property of flexible membrane, and the application passes through
Use the first optical thin film NiCr layer and the 3rd optical thin film NiCr layer to modify copper alloy layer, make
Flexible membrane has higher visible light transmissivity and relatively low infrared light transmittance.Described second light
The thickness learning thin film is 10～25nm, in certain embodiments, and the thickness of described second optical thin film
Degree is preferably 10～15nm.The described i.e. copper alloy layer of second optical thin film is the most sensitive to thickness,
Excessive or the too small meeting of its thickness makes the serious sideslip of optical curve of flexible membrane, has a strong impact on flexible membrane
Visible ray and infrared light transmittance.
The application preferably employs Roll-to-Roll magnetron sputtering technique and prepares flexible membrane.Described
The technological means that Roll-to-Roll magnetron sputtering technique is well known to those skilled in the art, the application
The most particularly limit.
This application provides a kind of flexible membrane, including: flexible parent metal；It is compound in described base material table
First optical thin film in face；It is compound in the second optical thin film of described first Optical Coatings Surface；
It is compound in the 3rd optical thin film of described second Optical Coatings Surface；Described first optical thin film is
NiCr film；Described second optical thin film is tin-copper alloy film；Described 3rd optical thin film is NiCr
Film；The thickness of described 3rd optical thin film and the ratio range of the thickness of described first optical thin film
It is 1.2～2.The application by being combined the first optical thin film NiCr successively on PET base material surface
Layer, the second optical thin film copper alloy layer and the 3rd optical thin film NiCr layer, wherein the first optics
Thin film and the 3rd optical thin film are as dielectric layer, and it can modify the visible light-transmissive of copper alloy layer
Rate, so that flexible membrane has higher visible light transmissivity and relatively low infrared light transmittance；
And the application is by limiting the thickness ratio of the first optical thin film and the 3rd optical thin film, makes thin film
Thickness reach good cooperation, advantageously ensure that flexible membrane has higher visible light transmissivity
With relatively low infrared light transmittance.On the other hand, the flexible membrane of the application only includes three layers of optics
Thin film, thus reduce the cost of flexible membrane.Test result indicate that, flexible membrane of the present invention can
Seeing that light transmission rate is more than 80%, infrared transmittivity is less than 25%.
In order to be further appreciated by the present invention, the flexible membrane present invention provided below in conjunction with embodiment
Being described in detail, protection scope of the present invention is not limited by the following examples.
Embodiment 1
The PET of coiled material 23u is positioned over and unreels room, the core that rolling room more renews, cleans chamber
Room, changes protective plate, treats that vacuum is evacuated to < 2.0*10-6Mbar starts to produce；Under argon shield,
Gas flow is 400sccm～500sccm, and chamber uses NiCr target, EF power (MF
Power) electric discharge, makes NiCr sputter at pet sheet face, and the thickness making NiCr layer is 10nm；
Then chamber uses Cu alloy target material, and under argon shield, gas flow is 400～500sccm,
MF power discharges, and makes the CuSn layer of NiCr layer surface sputtering 10nm；Last chamber is used instead
NiCr target, under argon shield, gas flow is 400～500sccm, and MF power is put
Electricity, the thickness making NiCr layer is 17nm, obtains flexible membrane.
According to the performance of ASTMD1003 standard detection flexible membrane, test result indicate that, this reality
The visible light transmissivity executing flexible membrane prepared by example is 84%, it is seen that luminous reflectance is 10.5%；
Infrared transmitting rate is 20%, and infrared reflection rate is 70%.
Embodiment 2
The PET of coiled material 23u is positioned over and unreels room, the core that rolling room more renews, cleans chamber
Room, changes protective plate, treats that vacuum is evacuated to < 2.0*10-6Mbar starts to produce；Under argon shield,
Gas flow is 400sccm～500sccm, and chamber uses NiCr target, EF power (MF
Power) electric discharge, makes NiCr sputter at pet sheet face, and the thickness making NiCr layer is 15nm；
Then chamber uses Cu alloy target material, and under argon shield, gas flow is 400～500sccm,
MF power discharges, and makes the CuSn layer of NiCr layer surface sputtering 15nm；Last chamber is used instead
NiCr target, under argon shield, gas flow is 400～500sccm, and MF power is put
Electricity, the thickness making NiCr layer is 20nm, obtains flexible membrane.
According to the performance of ASTMD1003 standard detection flexible membrane, test result indicate that, this reality
The visible light transmissivity executing flexible membrane prepared by example is 80%, it is seen that luminous reflectance is 11.5%；
Infrared transmitting rate is 17%, and infrared reflection rate is 75%.
Embodiment 3
The PET of coiled material 23u is positioned over and unreels room, the core that rolling room more renews, cleans chamber
Room, changes protective plate, treats that vacuum is evacuated to < 2.0*10-6Mbar starts to produce；Under argon shield,
Gas flow is 400sccm～500sccm, and chamber uses NiCr target, EF power (MF
Power) electric discharge, makes NiCr sputter at pet sheet face, and the thickness making NiCr layer is 12nm；
Then chamber uses Cu alloy target material, and under argon shield, gas flow is 400～500sccm,
MF power discharges, and makes the CuSn layer of NiCr layer surface sputtering 12nm；Last chamber is used instead
NiCr target, under argon shield, gas flow is 400～500sccm, and MF power is put
Electricity, the thickness making NiCr layer is 18nm, obtains flexible membrane.
According to the performance of ASTMD1003 standard detection flexible membrane, test result indicate that, this reality
The visible light transmissivity executing flexible membrane prepared by example is 82%, it is seen that luminous reflectance is 11%；Red
Outside line absorbance is 18%, and infrared reflection rate is 72%.
The explanation of above example is only intended to help to understand that the method for the present invention and core thereof are thought
Think.It should be pointed out that, for those skilled in the art, without departing from this
On the premise of bright principle, it is also possible to the present invention is carried out some improvement and modification, these improve and
Modify in the protection domain also falling into the claims in the present invention.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of
Or the use present invention.Those skilled in the art are come by the multiple amendment to these embodiments
Saying and will be apparent from, generic principles defined herein can be without departing from the present invention's
In the case of spirit or scope, realize in other embodiments.Therefore, the present invention will not be by
It is limited to the embodiments shown herein, and is to fit to and principles disclosed herein and new
The widest scope that grain husk feature is consistent.
Claims (6)
1. a flexible membrane, including:
Flexible parent metal；It is compound in the first optical thin film of described substrate surface；It is compound in described first
Second optical thin film of Optical Coatings Surface；It is compound in the 3rd light of described second Optical Coatings Surface
Learn thin film；
The thickness of described flexible parent metal is 0.025mm～0.050mm；The thickness of described first optical thin film
Degree is 10～15nm；The thickness of described second optical thin film is 10～15nm；Described 3rd blooming
Thickness be 17～24nm；
Described first optical thin film is NiCr film；Described second optical thin film is tin-copper alloy film；Described
3rd optical thin film is NiCr film；
The thickness of described 3rd optical thin film with the ratio range of the thickness of described first optical thin film is
1.2～2.
Flexible membrane the most according to claim 1, it is characterised in that described first optical thin film
It is 2.0～2.1 with the refractive index of third layer optical thin film.
Flexible membrane the most according to claim 1, it is characterised in that described second optical thin film
Refractive index be 0.01～0.02.
Flexible membrane the most according to claim 1, it is characterised in that described flexible parent metal is poly-
Ethylene glycol terephthalate, PEN, polymethyl methacrylate or poly-third
Olefine resin.
Flexible membrane the most according to claim 1, it is characterised in that in described tin-copper alloy film
Copper alloy is CuNi, CuSn or CuZn.
Flexible membrane the most according to claim 1, it is characterised in that described flexible membrane visible
Light transmission is more than 80%, and infrared transmittivity is less than 25%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410705978.8A CN104476840B (en) | 2014-11-28 | 2014-11-28 | A kind of flexible membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410705978.8A CN104476840B (en) | 2014-11-28 | 2014-11-28 | A kind of flexible membrane |
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| Publication Number | Publication Date |
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| CN104476840A CN104476840A (en) | 2015-04-01 |
| CN104476840B true CN104476840B (en) | 2016-09-28 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106772712A (en) * | 2015-11-24 | 2017-05-31 | 中国航空工业集团公司北京航空材料研究院 | A kind of compound fenestrated membrane of anti-dazzle electromagnetic shielding of the protectiveness of low transmitting |
| CN108638609A (en) * | 2018-05-10 | 2018-10-12 | 重庆新康意安得达尔新材料有限公司 | A kind of flexible membrane |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87208073U (en) * | 1987-05-13 | 1988-04-06 | 南京工学院 | Sunshading plastic film for window |
| CN201762248U (en) * | 2010-07-22 | 2011-03-16 | 信义玻璃(天津)有限公司 | Low-radiation coating glass |
| US20110308693A1 (en) * | 2010-03-01 | 2011-12-22 | Van Nutt Charles N | Low Emissivity and EMI Shielding Window Films |
| CN103448324A (en) * | 2013-08-16 | 2013-12-18 | 东莞南玻工程玻璃有限公司 | Rosy low-radiation coated glass and preparation method thereof |
-
2014
- 2014-11-28 CN CN201410705978.8A patent/CN104476840B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87208073U (en) * | 1987-05-13 | 1988-04-06 | 南京工学院 | Sunshading plastic film for window |
| US20110308693A1 (en) * | 2010-03-01 | 2011-12-22 | Van Nutt Charles N | Low Emissivity and EMI Shielding Window Films |
| CN201762248U (en) * | 2010-07-22 | 2011-03-16 | 信义玻璃(天津)有限公司 | Low-radiation coating glass |
| CN103448324A (en) * | 2013-08-16 | 2013-12-18 | 东莞南玻工程玻璃有限公司 | Rosy low-radiation coated glass and preparation method thereof |
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| CN104476840A (en) | 2015-04-01 |
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