CN205185454U - Modified polyene hydro carbons backplate membrane of glued membrane integration - Google Patents
Modified polyene hydro carbons backplate membrane of glued membrane integration Download PDFInfo
- Publication number
- CN205185454U CN205185454U CN201520639570.5U CN201520639570U CN205185454U CN 205185454 U CN205185454 U CN 205185454U CN 201520639570 U CN201520639570 U CN 201520639570U CN 205185454 U CN205185454 U CN 205185454U
- Authority
- CN
- China
- Prior art keywords
- membrane
- resistant
- hydrolysis
- pet
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Laminated Bodies (AREA)
- Photovoltaic Devices (AREA)
Abstract
The utility model provides a modified polyene hydro carbons backplate membrane of glued membrane integration, backplate membrane include that anti -hydrolytic property PET layer and coating are 100 -200 mu m at anti -hydrolytic property PET dual modified polyolefin layer and the POE glued membrane layer in layer, the polyolefin layer thickness of wherein modifying, and anti -hydrolytic property PET layer thickness is 200 -300 mu m, and POE glued membrane layer thickness is 300 -500 mu m. The utility model discloses processing technology is simple, and is with low costs, and the finished product has good separation nature, heat resistance, insulating property and aging resistance, can have latent application as the photovoltaic module encapsulating material directly as the articulamentum of bonding backplate and battery piece.
Description
Technical field
The utility model relates to laminated film technical field, specifically a kind of glued membrane integration modified polyolefin hydro carbons backboard membrane.
Background technology
Backboard membrane is the indispensable protectiveness material of solar module.Backboard membrane is positioned at the outermost layer at the back side of solar panel, plays protection and supporting role, require backboard to have wet and heat ageing resistant, resistant of high or low temperature, hydrolytic resistance, corrosion resistance and continue to resist the ability of illumination direct projection cell piece.
Existing market main flow backboard mainly contains fluorine material backboard and multilayer functional PET composite membrane backboard.Because fluorine-containing layer is as outermost protective layer in fluorine-containing backboard, the intensity of material is the most weak, easily by the scratch of extraneous sharp object, affects the anti-aging function of internal material, and fluorine-contained film difficulty in all plastic sheeting processing is maximum, and technique is the most complicated, and cost is also the highest.The use of fluorine material, also makes the pollution caused in the potential pollution of environment and processing become possibility.Multilayer functional PET composite membrane backboard is by obtaining functionalization PET compound, and PET provides excellent mechanical performance, however under comparatively extreme ultraviolet long-term irradiation and hot and humid environment Long-Time Service.Polyester is easily hydrolyzed or degrades, gradually efflorescence, affects the mechanical performance of material to a great extent.
PET is as polyester, the one of common engineering plastics, its melt temperature 260 DEG C, continuous serviceability temperature 120 DEG C, can at 150 DEG C of short-period used, can resistance to-70 DEG C of low temperature, hot strength 140MPa, shrinkage factor is 1.5%, tension fracture elongation rate 2.1%, impact strength 70J/m, mechanical strength, high/low temperature is very little to its mechanical impact.Meanwhile, the dielectric constant of PET is 3.37(106Hz), water imbibition 0.02%, electrical insulation capability is excellent, and even under high-temperature high-frequency, its electrical property is still better, gas and vapor permeability low, there is excellent water vapor rejection performance.But because PET is polyester construction, very easily there is hydrolysis so that progressively lose performance, by adding auxiliary agent, modification being carried out to PET, to make the carboxyl of polyester molecule chain two ends remnants be closed and its hydrolysis rate that slows down, making it reach the requirement of weatherability.
The thermoplastic elastomer (TPE) with narrow molecular weight distribution and the distribution of uniform short-chain branch of polyolefin elastomer (polyolefinelastomer) (POE) to be DOW chemical company of the U.S. with metallocene be catalyst.Its comonomer octene content is high and be singlely uniformly distributed, and narrow molecular weight distribution, these characteristics impart the excellent material property of POE resin.Not containing unsaturated double-bond in POE resin molecule, there is good heat endurance, weatherability, resistance to ag(e)ing, remarkable toughness has good processability simultaneously.EVA adhesive film is the material being mainly used in encapsulating solar cell at present, but it comes with some shortcomings, and as aging in easy xanthochromia, weatherability is poor, service life is short.
Utility model content
The utility model is in order to solve the problem of prior art, provide a kind of glued membrane integration modified polyolefin hydro carbons backboard membrane, processing technology is simple, and cost is low, the backboard membrane produced has good barrier, heat resistance, electrical insulating property and resistance to ag(e)ing, and long service life.
The utility model comprises resistant to hydrolysis pet layer and is coated in modified polyolefin hydrocarbon layers and the POE adhesive film on resistant to hydrolysis pet layer two sides, wherein improved polyalkene layer thickness is 100-200 μm, resistant to hydrolysis pet layer thickness is 200-300 μm, POE adhesive film thickness is 300-500 μm.
Described resistant to hydrolysis pet layer comprises PET film and is coated in the resistant to hydrolysis coating on PET film surface, and resistant to hydrolysis coating layer thickness is 5-15 μm.
Described modified polyolefin hydrocarbon layers comprises the component of following percentage by weight: vistanex resin 90%-98%, organic uv absorbers 1%-5%, Inorganic antioxidant hybrid 1%-5%.
Described organic uv absorbers is the one in salicylate class, benzophenone class, benzotriazole, group-substituted acrylonitrile.
Described Inorganic antioxidant hybrid is a kind of in talcum powder, calcium carbonate, titanium dioxide, carbon black.
Described POE adhesive film comprises the component of following percentage by weight, POE resin 85% ~ 95%, light trigger 0.1% ~ 5%, photosensitizer 0.1% ~ 5%, antioxidant 0.1% ~ 5%.
The preparation method of glued membrane integration modified polyolefin hydro carbons backboard membrane described in the utility model, comprises the following steps:
1) vistanex (as polypropylene, polyethylene) is mixed through high speed mixer with organic uv absorbers, Inorganic antioxidant hybrid, carry out extruding pelletization by double screw extruder, obtain modified polyolefin resin;
2) POE resin is mixed through high speed mixer with light trigger, photosensitizer, antioxidant solution, by baking oven dry out solvent at 40 ~ 60 ° of C temperature, obtain modification POE mixture;
3) be the resistant to hydrolysis coating of 5-15 μm at PET film surface coating thickness, obtain resistant to hydrolysis PET film;
4) modified polyolefin resin step 1) obtained and step 2) the modification POE mixture that obtains melt extruded by extruder and obtains improved polyalkene film and modification POE film, carry out pressing compound with step 3) respectively through the two sides of the resistant to hydrolysis PET film of Corona Surface Treatment again, obtain the laminated film of three-decker.
The utility model beneficial effect is: processing technology is simple, cost is low, finished product has good barrier, heat resistance, electrical insulating property and resistance to ag(e)ing, directly as the articulamentum of bond backboard and cell piece, can have potential application as photovoltaic component encapsulating material.
Accompanying drawing explanation
Fig. 1 is the utility model concrete structure schematic diagram.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
The utility model concrete structure as shown in Figure 1, comprise resistant to hydrolysis pet layer 2 and be coated in modified polyolefin hydrocarbon layers 3 and the POE adhesive film 1 on resistant to hydrolysis pet layer 2 two sides, wherein modified polyolefin hydrocarbon layers 3 thickness is 100-200 μm, resistant to hydrolysis pet layer 2 thickness is 200-300 μm, POE adhesive film 1 thickness is 300-500 μm.
Described resistant to hydrolysis pet layer comprises PET film and is coated in the resistant to hydrolysis coating on PET film surface, and resistant to hydrolysis coating layer thickness is 5-15 μm.
The preparation method of glued membrane integration modified polyolefin hydro carbons backboard membrane described in the utility model, comprises the following steps:
1) vistanex (as polypropylene, polyethylene) is mixed through high speed mixer with organic uv absorbers, Inorganic antioxidant hybrid, carry out extruding pelletization by double screw extruder, obtain modified polyolefin resin;
2) POE resin is mixed through high speed mixer with light trigger, photosensitizer, antioxidant solution, by baking oven dry out solvent at 40 ~ 60 ° of C temperature, obtain modification POE mixture;
3) be the resistant to hydrolysis coating of 5-15 μm at PET film surface coating thickness, obtain resistant to hydrolysis PET film;
4) modified polyolefin resin step 1) obtained and step 2) the modification POE mixture that obtains melt extruded by extruder and obtains improved polyalkene film and modification POE film, carry out pressing compound with step 3) respectively through the two sides of the resistant to hydrolysis PET film of Corona Surface Treatment again, obtain the laminated film of three-decker.
The utility model embody rule approach is a lot; the above is only preferred embodiment of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle; can also make some improvement, these improvement also should be considered as protection domain of the present utility model.
Claims (1)
1. a glued membrane integration modified polyolefin hydro carbons backboard membrane, it is characterized in that: comprise resistant to hydrolysis pet layer and be coated in modified polyolefin hydrocarbon layers and the POE adhesive film on resistant to hydrolysis pet layer two sides, wherein improved polyalkene layer thickness is 100-200 μm, resistant to hydrolysis pet layer thickness is 200-300 μm, POE adhesive film thickness is 300-500 μm; Described resistant to hydrolysis pet layer comprises PET film and is coated in the resistant to hydrolysis coating on PET film surface, and resistant to hydrolysis coating layer thickness is 5-15 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520639570.5U CN205185454U (en) | 2015-08-24 | 2015-08-24 | Modified polyene hydro carbons backplate membrane of glued membrane integration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520639570.5U CN205185454U (en) | 2015-08-24 | 2015-08-24 | Modified polyene hydro carbons backplate membrane of glued membrane integration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205185454U true CN205185454U (en) | 2016-04-27 |
Family
ID=55778482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520639570.5U Active CN205185454U (en) | 2015-08-24 | 2015-08-24 | Modified polyene hydro carbons backplate membrane of glued membrane integration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205185454U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105015121A (en) * | 2015-08-24 | 2015-11-04 | 宜兴市王者塑封有限公司 | Adhesive film integrated modified polyolefin backboard film and preparation method thereof |
-
2015
- 2015-08-24 CN CN201520639570.5U patent/CN205185454U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105015121A (en) * | 2015-08-24 | 2015-11-04 | 宜兴市王者塑封有限公司 | Adhesive film integrated modified polyolefin backboard film and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105870237B (en) | Co-extruded one-time formed backplate with three-layer structure for solar cell module | |
| CN108682707B (en) | Transparent back plate of solar photovoltaic cell module for double-sided power generation | |
| CN205601317U (en) | A compound waterproofing membrane of polymer self -adhesion for exposing roofing | |
| CN103052505A (en) | Multilayer films containing a fluorinated copolymer resin layer and an encapsulant layer | |
| CN109411558B (en) | Solar cell back plate and preparation method thereof | |
| CN107841029B (en) | High-weather-resistance PE (polyethylene) film for solar cell back plate | |
| CN103050563B (en) | Solar-powered back plate and manufacturing method thereof | |
| CN102690477B (en) | Solar cell back panel material and preparation method and product thereof | |
| CN107204384A (en) | Three layers of integral structure solar cell backboard and preparation method thereof | |
| CN102931262B (en) | A kind of transparent solar cell notacoria | |
| CN205185454U (en) | Modified polyene hydro carbons backplate membrane of glued membrane integration | |
| CN105538850A (en) | Novel photovoltaic packaging application type modified composite membrane and preparation method thereof | |
| CN105015121A (en) | Adhesive film integrated modified polyolefin backboard film and preparation method thereof | |
| CN103144390B (en) | A kind of solar cell backboard | |
| CN207818584U (en) | A kind of photovoltaic cell fabric backplanes | |
| CN103311341A (en) | Novel solar cell back panel and preparation method thereof | |
| CN205498231U (en) | Environmental protection enhancement mode solar backplane | |
| CN103832034A (en) | Three-layer-structured PET (polythylene terephthalate) composite membrane for packaging photovoltaic module and preparation method of three-layer-structured PET composite membrane | |
| CN105176071B (en) | A kind of floride-free two layers of co-extrusion photovoltaic back and preparation method thereof | |
| CN103722840A (en) | Humidity-resisting solar cell backplate without adhesive and manufacturing method thereof | |
| CN203901875U (en) | PET (polyethylene terephthalate) composite membrane being used for photovoltaic assembly encapsulation and adopting three-layer structure | |
| CN102779880A (en) | Polyester tandem solar battery back film | |
| CN206987213U (en) | One kind building compound waterproofing roof | |
| CN203452279U (en) | Roof photovoltaic water-proof coiled material | |
| CN205488164U (en) | Waterproof type solar backplane of high cohesiveness |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |