CN106206845B - A kind of fluorine film for solar cell backboard and preparation method thereof - Google Patents

A kind of fluorine film for solar cell backboard and preparation method thereof Download PDF

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CN106206845B
CN106206845B CN201610609493.8A CN201610609493A CN106206845B CN 106206845 B CN106206845 B CN 106206845B CN 201610609493 A CN201610609493 A CN 201610609493A CN 106206845 B CN106206845 B CN 106206845B
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solar cell
cell backboard
fluorine film
mixture
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CN106206845A (en
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张思银
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Jiangsu fox Electric Group Co.,Ltd.
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Nanjing Xuyurui Material Technology Co Ltd
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/042—PV modules or arrays of single PV cells
    • H01L31/048—Encapsulation of modules
    • H01L31/049—Protective back sheets
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08L27/16—Homopolymers or copolymers or vinylidene fluoride
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08J2327/16—Homopolymers or copolymers of vinylidene fluoride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2427/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2427/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2427/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08J2427/14—Homopolymers or copolymers of vinyl fluoride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/16—Applications used for films
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Abstract

The invention discloses a kind of fluorine film for solar cell backboard and preparation method thereof.The fluorine film includes following raw material：Polyvinyl fluoride, Kynoar, dry ice, carbon dust, tung oil, polyvinyl formal, PEI, powder of straw, preservative, dispersant and levelling agent.First weigh raw material；Crushed 28 minutes, be transferred in reactor with dry ice after polyvinyl fluoride, Kynoar, PEI, polyvinyl formal and tung oil are mixed, add powder of straw and carbon dust, be heated to 400 500 DEG C and obtain mixture one；Preservative and dispersant and levelling agent are added to mixture is a kind of, ultrasound obtains mixture two in 38 minutes after stirring；Mixture two is put into blown film in inflation film manufacturing machine and obtains finished product.Fluorine film of the present invention is homogeneous, and good weatherability, preparation method is simple, is adapted to industrialization.

Description

A kind of fluorine film for solar cell backboard and preparation method thereof
Technical field
The present invention relates to solar cell backboard technical field, and in particular to a kind of fluorine film for solar cell backboard And preparation method thereof.
Background technology
With the development of society, people are increasing to the demand of the energy, and fossil energy increasingly depleted, compel to be essential Develop emerging energy.Solar energy has been to be concerned by more and more people as a kind of inexhaustible energy.The sun Energy battery achieves progress as the practical application of the useful energy.Solar cell includes all kinds, silica-based solar cell, Inorganic compound based solar battery, organic solar batteries etc. are known typical case's solar cells.But due to solar energy Component is chronically exposed to outdoor, can be destroyed by environment, so needing one layer of solar cell backboard to shield.Institute Stating backboard has various excellent physical properties such as weather resisteant, water resistance, heat resistance, moisture barrier and barrier properties for gases, with The long-term behaviour of the solar cell is degenerated and is suppressed to minimum degree.
At present, fluorine material is conventional material in back veneer material, but because fluorine material belongs to scarce resource, fluororesin fusing point It is higher, it is difficult to process, so people need replacement fluorine material in a kind of performance, more preferential new material, meets people in price The needs of production and living.
The content of the invention
In view of the shortcomings of the prior art, it is an object of the invention to provide a kind of fluorine film for solar cell backboard and Its preparation method, the solar cell backboard fluorine film is durable in use, is effectively protected solar energy, and preparation method is simply easy OK, cost is cheap, is adapted to industrialization.
To solve prior art problem, the technical scheme that the present invention takes is：
A kind of fluorine film for solar cell backboard, including the following raw material counted in parts by weight, polyvinyl fluoride 20-35 Part, Kynoar 40-48 parts, dry ice 0.5-0.8 parts, carbon dust 10-15 parts, tung oil 3-8 parts, polyvinyl formal 20-24 Part, PEI 14-24 parts, powder of straw 2-8 parts, preservative 0.6-1.2 parts, dispersant 0.1-0.8 parts, levelling agent 0.5- 1.3 part.
As preferably, the above-mentioned fluorine film for solar cell backboard, including the following raw material counted in parts by weight： Polyvinyl fluoride 20-35 parts, 45 parts of Kynoar, 0.7 part of dry ice, 15 parts of carbon dust, 3 parts of tung oil, 24 parts of polyvinyl formal, 18 parts of PEI, 5 parts of powder of straw, 0.6 part of preservative, 0.5 part of dispersant, 0.5 part of levelling agent.
As preferably, the mesh number of the carbon dust is 600 mesh.
The preparation method of the above-mentioned fluorine film for solar cell backboard, comprises the following steps：
Step 1, raw material is weighed on demand；
Step 2, with dry after polyvinyl fluoride, Kynoar, PEI, polyvinyl formal and tung oil being mixed Ice crushes 2-8 minutes, is transferred in reactor, adds powder of straw and carbon dust, is heated to 400-500 DEG C and obtains mixture one；
Step 3, preservative and dispersant and levelling agent are added into mixture one, after stirring ultrasonic 3-8 minutes obtain Mixture two；
Step 4, mixture two is put into blown film in inflation film manufacturing machine and obtains finished product.
It is preferably as preparation method, the wave band of ultrasound is 3000-4000Hz in step 3.
It is preferably as preparation method, the temperature of inflation film manufacturing machine is 480-540 DEG C in step 4.
Beneficial effect
Fluorine film weatherability of the present invention is strong, and water resistance is strong, with solar cell backboard, extending making for solar cell With the life-span, and preparation method is simple and easy, and the fluorine film of output is homogeneous, is adapted to industrialization.
Embodiment
Embodiment 1
A kind of fluorine film for solar cell backboard, including the following raw material counted in parts by weight, 20 parts of polyvinyl fluoride, 40 parts of Kynoar, 0.5 part of dry ice, 10 parts of carbon dust, 3 parts of tung oil, 20 parts of polyvinyl formal, 14 parts of PEI, 2 parts of powder of straw, 0.6 part of preservative, 0.1 part of dispersant, 0.5 part of levelling agent.The mesh number of the carbon dust is 600 mesh.
The preparation method of the above-mentioned fluorine film for solar cell backboard, comprises the following steps：
Step 1, raw material is weighed on demand；
Step 2, with dry after polyvinyl fluoride, Kynoar, PEI, polyvinyl formal and tung oil being mixed Ice crushes 2-8 minutes, is transferred in reactor, adds powder of straw and carbon dust, is heated to 400-500 DEG C and obtains mixture one；
Step 3, preservative and dispersant and levelling agent are added into mixture one, with wave band is 3000Hz after stirring Ultrasound obtains mixture two in 8 minutes；
Step 4, mixture two puts into inflation film manufacturing machine to blown film obtains finished product at 480 DEG C.
Embodiment 2
A kind of fluorine film for solar cell backboard, including the following raw material counted in parts by weight, including below by weight Measure the raw material of number meter：Polyvinyl fluoride 20-35 parts, 45 parts of Kynoar, 0.7 part of dry ice, 15 parts of carbon dust, 3 parts of tung oil, poly- second 24 parts of enol formal, 18 parts of PEI, 5 parts of powder of straw, 0.6 part of preservative, 0.5 part of dispersant, 0.5 part of levelling agent.
The mesh number of the carbon dust is 600 mesh.
The preparation method of the above-mentioned fluorine film for solar cell backboard, comprises the following steps：
Step 1, raw material is weighed on demand；
Step 2, with dry after polyvinyl fluoride, Kynoar, PEI, polyvinyl formal and tung oil being mixed Ice crushes 2-8 minutes, is transferred in reactor, adds powder of straw and carbon dust, is heated to 450 DEG C and obtains mixture one；
Step 3, preservative and dispersant and levelling agent are added into mixture one, with wave band is 3500Hz after stirring Ultrasound obtains mixture two in 5 minutes；
Step 4, mixture two puts into inflation film manufacturing machine to blown film obtains finished product at 500 DEG C.
Embodiment 3
A kind of fluorine film for solar cell backboard, including the following raw material counted in parts by weight, 35 parts of polyvinyl fluoride, 48 parts of Kynoar, 0.8 part of dry ice, 15 parts of carbon dust, tung oil 3-8 parts, 24 parts of polyvinyl formal, PEI 24 Part, 8 parts of powder of straw, 1.2 parts of preservative, 0.8 part of dispersant,
1.3 parts of levelling agent.The mesh number of the carbon dust is 600 mesh.
The preparation method of the above-mentioned fluorine film for solar cell backboard, comprises the following steps：
Step 1, raw material is weighed on demand；
Step 2, with dry after polyvinyl fluoride, Kynoar, PEI, polyvinyl formal and tung oil being mixed Ice crushes 2-8 minutes, is transferred in reactor, adds powder of straw and carbon dust, is heated to 500 DEG C and obtains mixture one；
Step 3, preservative and dispersant and levelling agent are added into mixture one, with wave band is 4000Hz after stirring Ultrasound obtains mixture two in 3 minutes；
Step 4, mixture two is put into inflation film manufacturing machine and obtains finished product in 540 DEG C of blown films.
Comparative example 1
A kind of fluorine film for solar cell backboard, including the following raw material counted in parts by weight, polyvinyl fluoride 20-35 Part, Kynoar 40-48 parts, dry ice 0.5-0.8 parts, carbon dust 10-15 parts, tung oil 3-8 parts, polyvinyl formal 20-24 Part, PEI 14-24 parts, powder of straw 2-8 parts, preservative 0.6-1.2 parts, dispersant 0.1-0.8 parts, levelling agent 0.5- 1.3 part.The mesh number of the carbon dust is 600 mesh.
The preparation method of the above-mentioned fluorine film for solar cell backboard, comprises the following steps：
Step 1, raw material is weighed on demand；
Step 2, polyvinyl fluoride, Kynoar, PEI, polyvinyl formal and tung oil are mixed and are transferred to In reactor, powder of straw and carbon dust are added, 400-500 DEG C is heated to and obtains mixture one；
Step 3, preservative and dispersant and levelling agent are added into mixture one, after stirring ultrasonic 3-8 minutes obtain Mixture two；
Step 4, mixture two is put into blown film in inflation film manufacturing machine and obtains finished product.
Fluorine film obtained by above-described embodiment 1-3 is homogeneous for comparative example 1, and stretch-proof ability is strong, weatherability It is good, solar cell is effectively protected, there are good market prospects.

Claims (6)

1. a kind of fluorine film for solar cell backboard, it is characterised in that including the following raw material counted in parts by weight, poly- fluorine Ethene 20-35 parts, Kynoar 40-48 parts, dry ice 0.5-0.8 parts, carbon dust 10-15 parts, tung oil 3-8 parts, polyvinyl alcohol contracting Formaldehyde 20-24 parts, PEI 14-24 parts, powder of straw 2-8 parts, preservative 0.6-1.2 parts, dispersant 0.1-0.8 parts, stream Flat agent 0.5-1.3 parts.
2. the fluorine film according to claim 1 for solar cell backboard, it is characterised in that including it is following by weight The raw material of number meter：Polyvinyl fluoride 20-35 parts, 45 parts of Kynoar, 0.7 part of dry ice, 15 parts of carbon dust, 3 parts of tung oil, polyvinyl alcohol 24 parts of formal, 18 parts of PEI, 5 parts of powder of straw, 0.6 part of preservative, 0.5 part of dispersant, 0.5 part of levelling agent.
3. the fluorine film according to claim 1 for solar cell backboard, it is characterised in that the mesh number of the carbon dust is 600 mesh.
4. the preparation method based on the fluorine film for solar cell backboard described in claim 1, it is characterised in that including with Lower step：
Step 1, raw material is weighed on demand；
Step 2, broken after polyvinyl fluoride, Kynoar, PEI, polyvinyl formal and tung oil being mixed with dry ice Broken 2-8 minutes, it is transferred in reactor, adds powder of straw and carbon dust, is heated to 400-500 DEG C and obtains mixture one；
Step 3, preservative and dispersant and levelling agent are added into mixture one, after stirring ultrasonic 3-8 minutes must mix Thing two；
Step 4, mixture two is put into blown film in inflation film manufacturing machine and obtains finished product.
5. the preparation method of the fluorine film according to claim 4 for solar cell backboard, it is characterised in that：Step 3 The wave band of middle ultrasound is 3000-4000Hz.
6. the preparation method of the fluorine film according to claim 4 for solar cell backboard, it is characterised in that：Step 4 The temperature of middle inflation film manufacturing machine is 480-540 DEG C.
CN201610609493.8A 2016-07-29 2016-07-29 A kind of fluorine film for solar cell backboard and preparation method thereof Active CN106206845B (en)

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CN106589983A (en) * 2016-12-17 2017-04-26 浦北县建业胶合板有限责任公司 Anticorrosion plywood and preparation method thereof
CN106832695A (en) * 2017-01-20 2017-06-13 惠州市沃瑞科技有限公司 A kind of PTFE films for explosion-proof valve and preparation method thereof
CN107304279A (en) * 2017-07-26 2017-10-31 合肥华盖光伏科技有限公司 A kind of weather-proof solar cell backboard and preparation method thereof

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CN103189996B (en) * 2010-11-02 2016-04-13 三井化学株式会社 Encapsulating material for solar cell and solar module
CN202826621U (en) * 2012-08-27 2013-03-27 安徽格林开思茂光电科技股份有限公司 Double fluororesin thin-film-type solar energy packaging rear panel
CN103000727B (en) * 2012-11-27 2015-11-18 宁波长阳科技有限公司 A kind of flame retardant solar battery back-sheet film and a kind of solar cell

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