CN107298822A - A kind of solar cell backboard composite and preparation method thereof - Google Patents
A kind of solar cell backboard composite and preparation method thereof Download PDFInfo
- Publication number
- CN107298822A CN107298822A CN201710351042.3A CN201710351042A CN107298822A CN 107298822 A CN107298822 A CN 107298822A CN 201710351042 A CN201710351042 A CN 201710351042A CN 107298822 A CN107298822 A CN 107298822A
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- solar cell
- cell backboard
- composite
- backboard composite
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L43/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing boron, silicon, phosphorus, selenium, tellurium or a metal; Compositions of derivatives of such polymers
- C08L43/04—Homopolymers or copolymers of monomers containing silicon
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/204—Applications use in electrical or conductive gadgets use in solar cells
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a kind of solar cell backboard composite and preparation method thereof, the composite is made up of following raw material by weight：30 50 parts of polyurethane, 30 50 parts of hydroxyl fluorine-silicon modified acrylic resins, 6 10 parts of fillers, 58 parts of diluents, 35 parts of antioxidant, 35 parts of stabilizers.Rationally, cost is relatively low, using hydroxyl fluorine-silicon modified acrylic resin as raw material, has given full play to the good weather resistance of organic siliconresin for the solar cell backboard composite material formula of the present invention.After testing, tensile strength is more than 110Mpa, and elongation at break is more than 43%, and breakdown voltage strength is in more than 36kv, with excellent intensity, insulating properties and ageing-resistant performance for the composite.The preparation method of the present invention is simple and easy to apply, and the solar cell using the solar cell backboard composite manufacture of the present invention can increase the service life to a certain extent.
Description
Technical field
The invention belongs to area of solar cell, and in particular to a kind of solar cell backboard composite and its preparation side
Method.
Background technology
Solar cell backboard is located at the outermost layer of module backside, plays protection and supporting role to cell piece, out of doors ring
Protect solar cell module not corroded by steam under border, the anti-oxidation of blocking oxygen, high-low temperature resistant, good insulating properties and
Ageing-resistant performance, decay resistance, can reflect sunlight, improve the transformation efficiency of component, can with higher infrared emittance
To reduce the temperature of component.Solar cell backboard typically has three-decker, and there is outer protective layer good environment resistant to invade
Erosion ability (prevents moisture attacks, uvioresistant lamp), and intermediate layer is PET polyester films (polyethylene terephthalate), tool
There are good insulating properties and intensity, internal layer PVDF and EVA have good adhesive property.
Easily there is aging when protecting solar battery sheet in existing solar cell backboard material, mechanical properties decrease
Shortcoming, it is impossible to meet the test of increasingly rugged environment factor, can make solar panel do sth. in advance to occur delamination, cracking, foaming,
The bad phenomenons such as xanthochromia, cause the disabler of solar panel, are unfavorable for the Substantial evaluation of resource.
A kind of solar energy photovoltaic battery back-sheet composite, original used in the patent are disclosed in the A of CN 106046757
Expect that composition is excessively complicated, although improve the intensity and ageing-resistant performance of solar cell, but the raising of production cost can be caused.
Organic siliconresin is a kind of good insulating materials, with remarkable moisture resistance, waterproof, antirust, cold-resistant, resistance to ozone and
Weather resistance is good to the decay resistance of most aqueous chemical reagent such as dilute mineral acids.
The content of the invention
In view of not enough above, the technical problems to be solved by the invention are to provide a kind of ageing-resistant, high intensity, material matching
Rationally, the solar cell backboard composite of function admirable.
Another technical problem to be solved by this invention is to provide a kind of system of above-mentioned solar cell backboard composite
Preparation Method.
The technical problems to be solved by the invention are achieved through the following technical solutions：
A kind of solar cell backboard composite, is made up of following raw material by weight：30-50 parts of polyurethane, 60-
100 parts of hydroxyl fluorine-silicon modified acrylic resins, 6-10 parts of fillers, 5-8 parts of diluents, 3-5 parts of antioxidant, 3-5 parts of stabilizers.
It is preferred that, the solar cell backboard composite is made up of following raw material by weight：35-45 parts of poly- ammonia
Ester, 75-80 parts of hydroxyl fluorine-silicon modified acrylic resins, 7-8 parts of fillers, 6-7 parts of diluents, 3-4 parts of antioxidant, 3-4 parts of stabilizers.
The filler is asbestos fibre.
The diluent is epoxy propane butyl ether.
The antioxidant is antioxidant 3114.
The stabilizer is rare earth neodymium compound.
A kind of preparation method of solar cell backboard composite, comprises the following steps：
1) put into kneading machine after mixing polyurethane, hydroxyl fluorine-silicon modified acrylic resin by weight to be kneaded, during which
Filler is added by weight, and melting temperature is 75-90 DEG C, and the time is 40-60 minutes, and mixture I is obtained after mixing；
2) diluent, antioxidant and the stabilizer matched is added into mixture I, is 120-150 DEG C, rotating speed in temperature
To stir 1-2h under 300-400r/min, mixture II is obtained；
3) mixture II is put into extruder, the extrusion sheet at 130-160 DEG C of temperature is cooled to room temperature, and institute is made
State solar cell backboard composite.
Rationally, cost is relatively low, uses hydroxyl Si modification third for the solar cell backboard composite material formula of the present invention
Olefin(e) acid resin has given full play to the good weather resistance of organic siliconresin as raw material.The composite after testing, tensile strength
More than 110Mpa, elongation at break is more than 43%, and breakdown voltage strength is in more than 36kv, with excellent intensity, insulating properties
And ageing-resistant performance.The preparation method of the present invention is simple and easy to apply, is manufactured using the solar cell backboard composite of the present invention
Solar cell can increase the service life to a certain extent.
Embodiment
For ease of more fully understanding the present invention, it is illustrated by following examples, these embodiments belong to the present invention's
Protection domain, but do not limit the scope of the invention.
Embodiment 1
A kind of solar cell backboard composite, is made according to following steps：
1) kneading machine will be put into after 30 parts of polyurethane, 80 parts of hydroxyl fluorine-silicon modified acrylic mixed with resin by weight to be mixed
Refining, during which adds 6 parts of asbestos fibres by weight, and melting temperature is 90 DEG C, and the time is 60 minutes, and mixture I is obtained after mixing；
2) 8 parts of epoxy propane butyl ethers, 3 parts of antioxidant 3114s and 3 parts of rare earth neodymiums are added by weight into mixture I
Thing (neodymia or Dineodymium trisulfate), is 120 DEG C in temperature, rotating speed obtains mixture II to stir 2h under 400r/min；
3) mixture II is put into extruder, the extrusion sheet at 130 DEG C of temperature is cooled to room temperature, be made it is described too
Positive energy battery back-sheet composite.
Embodiment 2
A kind of solar cell backboard composite, is made according to following steps：
1) mixing is put into after by weight mixing 45 parts of polyurethane, 75 parts of hydroxyl fluorine-silicon modified acrylic resins by weight
Machine is kneaded, and 10 parts of asbestos fibres are during which added by weight, and melting temperature is 75 DEG C, and the time is 40 minutes, after mixing
To mixture I；
2) 5 parts of epoxy propane butyl ethers, 5 parts of antioxidant 3114s and 5 parts of rare earth neodymiums are added by weight into mixture I
Thing (neodymia or Dineodymium trisulfate), is 150 DEG C in temperature, rotating speed obtains mixture II to stir 1h under 300r/min；
3) mixture II is put into extruder, the extrusion sheet at 160 DEG C of temperature is cooled to room temperature, be made it is described too
Positive energy battery back-sheet composite.
Embodiment 3
A kind of solar cell backboard composite, is made according to following steps：
1) mixing is put into after by weight mixing 50 parts of polyurethane, 60 parts of hydroxyl fluorine-silicon modified acrylic resins by weight
Machine is kneaded, and 7 parts of asbestos fibres are during which added by weight, and melting temperature is 85 DEG C, and the time is 50 minutes, is obtained after mixing
Mixture I；
2) 6 parts of epoxy propane butyl ethers, 4 parts of antioxidant 3114s and 4 parts of rare earth neodymiums are added by weight into mixture I
Thing (neodymia or Dineodymium trisulfate), is 140 DEG C in temperature, rotating speed obtains mixture II to stir 1.5h under 350r/min；
3) mixture II is put into extruder, the extrusion sheet at 150 DEG C of temperature is cooled to room temperature, be made it is described too
Positive energy battery back-sheet composite.
Embodiment 4
A kind of solar cell backboard composite, is made according to following steps：
1) put into after by weight mixing 35 parts of polyurethane, 100 parts of hydroxyl fluorine-silicon modified acrylic resins by weight mixed
Mill is kneaded, and 8 parts of asbestos fibres are during which added by weight, and melting temperature is 80 DEG C, and the time is 45 minutes, after mixing
To mixture I；
2) 7 parts of epoxy propane butyl ethers, 5 parts of antioxidant 3114s and 5 parts of rare earth neodymiums are added by weight into mixture I
Thing (neodymia or Dineodymium trisulfate), is 130 DEG C in temperature, rotating speed obtains mixture II to stir 1.2h under 320r/min；
3) mixture II is put into extruder, the extrusion sheet at 140 DEG C of temperature is cooled to room temperature, be made it is described too
Positive energy battery back-sheet composite.
Test case 1
The sheet material that thickness is 10mm is made in embodiment 1-4 solar cell backboard composite, it is detected,
Specifically it is shown in Table 1.
The testing result of table 1
Described above is only the preferred embodiment of the present invention, it is noted that come for those skilled in the art
Say, without departing from the technical principles of the invention, the improvement made also should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of solar cell backboard composite, it is characterised in that be made up by weight of following raw material：30-50 parts are gathered
Urethane, 60-100 parts of hydroxyl fluorine-silicon modified acrylic resins, 6-10 parts of fillers, 5-8 parts of diluents, 3-5 parts of antioxidant, 3-5 parts are steady
Determine agent.
2. a kind of solar cell backboard composite according to claim 1, it is characterised in that the solar cell
Backboard composite is made up of following raw material by weight：35-45 parts of polyurethane, 75-80 parts of hydroxyl fluorine-silicon modified acrylic resins,
7-8 parts of fillers, 6-7 parts of diluents, 3-4 parts of antioxidant, 3-4 parts of stabilizers.
3. a kind of solar cell backboard composite according to claim 1, it is characterised in that the filler is asbestos
Fiber.
4. a kind of solar cell backboard composite according to claim 1, it is characterised in that the diluent is ring
Ethylene Oxide butyl ether.
5. a kind of solar cell backboard composite according to claim 1, it is characterised in that the antioxidant is anti-
Oxygen agent 3114.
6. a kind of solar cell backboard composite according to claim 1, it is characterised in that the stabilizer is dilute
Native neodymium compound.
7. the preparation method of the solar cell backboard composite described in claim 1, comprises the following steps：
1) kneading machine is put into after mixing polyurethane, hydroxyl fluorine-silicon modified acrylic resin by part to be kneaded, and is during which added in portions
Filler, melting temperature is 75-90 DEG C, and the time is 40-60 minutes, and mixture I is obtained after mixing；
2) diluent, antioxidant and the stabilizer matched is added into mixture I, is 120-150 DEG C in temperature, rotating speed is
1-2h is stirred under 300-400r/min, mixture II is obtained；
3) mixture II is put into extruder, the extrusion sheet at 130-160 DEG C of temperature is cooled to room temperature, be made it is described too
Positive energy battery back-sheet composite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710351042.3A CN107298822A (en) | 2017-05-18 | 2017-05-18 | A kind of solar cell backboard composite and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710351042.3A CN107298822A (en) | 2017-05-18 | 2017-05-18 | A kind of solar cell backboard composite and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN107298822A true CN107298822A (en) | 2017-10-27 |
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ID=60137558
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710351042.3A Pending CN107298822A (en) | 2017-05-18 | 2017-05-18 | A kind of solar cell backboard composite and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103606578A (en) * | 2013-11-14 | 2014-02-26 | 英利集团有限公司 | Solar cell assembly and preparation method thereof |
| US20150303338A1 (en) * | 2012-12-06 | 2015-10-22 | Lg Chem, Ltd. | Backsheet |
| CN106221186A (en) * | 2016-08-22 | 2016-12-14 | 广西南宁荣威德新能源科技有限公司 | A kind of solar photovoltaic cell backplane composite |
| CN106243684A (en) * | 2016-08-22 | 2016-12-21 | 广西南宁荣威德新能源科技有限公司 | A kind of new pattern environment protection battery backboard composite |
-
2017
- 2017-05-18 CN CN201710351042.3A patent/CN107298822A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150303338A1 (en) * | 2012-12-06 | 2015-10-22 | Lg Chem, Ltd. | Backsheet |
| CN103606578A (en) * | 2013-11-14 | 2014-02-26 | 英利集团有限公司 | Solar cell assembly and preparation method thereof |
| CN106221186A (en) * | 2016-08-22 | 2016-12-14 | 广西南宁荣威德新能源科技有限公司 | A kind of solar photovoltaic cell backplane composite |
| CN106243684A (en) * | 2016-08-22 | 2016-12-21 | 广西南宁荣威德新能源科技有限公司 | A kind of new pattern environment protection battery backboard composite |
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Application publication date: 20171027 |