CN109438826A - A kind of preparation method of photovoltaic component encapsulating material - Google Patents

A kind of preparation method of photovoltaic component encapsulating material Download PDF

Info

Publication number
CN109438826A
CN109438826A CN201811352080.1A CN201811352080A CN109438826A CN 109438826 A CN109438826 A CN 109438826A CN 201811352080 A CN201811352080 A CN 201811352080A CN 109438826 A CN109438826 A CN 109438826A
Authority
CN
China
Prior art keywords
modified
encapsulating material
added
diamond
preparation
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.)
Withdrawn
Application number
CN201811352080.1A
Other languages
Chinese (zh)
Inventor
陆志鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Zhaotuo New Energy Technology Co Ltd
Original Assignee
Anhui Zhaotuo New Energy Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anhui Zhaotuo New Energy Technology Co Ltd filed Critical Anhui Zhaotuo New Energy Technology Co Ltd
Priority to CN201811352080.1A priority Critical patent/CN109438826A/en
Publication of CN109438826A publication Critical patent/CN109438826A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04Homopolymers or copolymers of ethene
    • C08L23/08Copolymers of ethene
    • C08L23/0846Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C08L23/0853Vinylacetate
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor 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
    • H01L31/04Semiconductor 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
    • H01L31/042PV modules or arrays of single PV cells
    • H01L31/048Encapsulation of modules
    • H01L31/0481Encapsulation of modules characterised by the composition of the encapsulation material
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/20Applications use in electrical or conductive gadgets
    • C08L2203/206Applications use in electrical or conductive gadgets use in coating or encapsulating of electronic parts
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The invention discloses a kind of preparation methods of photovoltaic component encapsulating material, comprising the following steps: (1) diamond pre-processes;(2) pretreatment diamond is dispersed in deionized water, other auxiliary agents to be added, obtain mixed liquor;(3) modified diamond is made;(4) polyethylene, polyvinyl alcohol and modified diamond are mixed, Treated By Modified Slag fiber is added, obtains mixture A;(5) mixture A is uniformly mixed with ethylene-vinyl acetate copolymer, modified epoxy and plasticizer, obtains mixture B;(6) antioxidant, initiator and ultraviolet absorbing agent are sequentially added into mixture B, are stirred and uniform, are then added into casting machine, through cooling, traction, winding to get photovoltaic component encapsulating material.The photovoltaic component encapsulating material transmissivity that the present invention is prepared is high, good weatherability, and mechanical performance is excellent.

Description

A kind of preparation method of photovoltaic component encapsulating material
Technical field
The invention belongs to solar components technical fields, and in particular to a kind of preparation method of photovoltaic component encapsulating material.
Background technique
What solar cell power generation utilized is that when being irradiated by sunlight photovoltaic effect occurs for the semiconductor materials such as silicon, directly It connects and solar radiation is converted into electric energy.Seldom a part of solar energy can only be converted into electric energy by solar battery, and reason is There are electricity loss and optical loss in conversion process of energy for solar battery, it means that improves photovoltaic module power and needs Absorb solar irradiation to silicon wafer maximum magnitude, it is necessary to reduce light loss of the sunlight by glass and packaging adhesive film when, therefore As unique " barrier " of silicon wafer and glass outer, to guarantee photovoltaic module photoelectric conversion efficiency with higher, packaging plastic Film needs to have very excellent light transmittance.
Application publication number is that the Chinese patent of CN108264682A discloses a kind of photovoltaic encapsulation material of high transparency, The present invention is by the photovoltaic encapsulation material matrix resin of 100 mass parts or the matrix resin of graft modification, 0.001~5 mass parts Oxygen-containing or sulfur-containing compound, the reactive plasticizer of 0.01~10 mass parts, the initiator of 0.01~1.5 mass parts, 0.01~ The assistant crosslinking agent of 10 mass parts, the silane coupling agent of 0.1~3.0 mass parts, 0.1~0.4 mass parts UV absorbers, The light stabilizer of 0.1~1.0 mass parts is by processes systems such as premixing, melting extrusion, casting film-forming, cooling, cutting and windings The photovoltaic encapsulation material of standby high transparency.The present invention improves the light transmittance of photovoltaic encapsulation material, and then realizes glass/front layer envelope The better matching of index of refraction between package material/cell piece three increases component to the utilization rate of sunlight, optimizes and improve Component photoelectric conversion efficiency.But the photovoltaic encapsulation material it is poor there are weatherability the problems such as.
Summary of the invention
The present invention provides a kind of preparation methods of photovoltaic component encapsulating material, solve the deficiency in above-mentioned background technique, The photovoltaic component encapsulating material transmissivity that the present invention is prepared is high, good weatherability, and mechanical performance is excellent.
It is of the existing technology in order to solve the problems, such as, it adopts the following technical scheme that
A kind of preparation method of photovoltaic component encapsulating material, includes the following steps:
(1) diamond pre-processes: diamond being placed in put to vacuumize in a plasma agglomeration furnace is heated to 1000 DEG C stage by stage, so After keep the temperature to 40~60 minutes, then slow cooling is to 200~300 DEG C, isothermal holding 1~2 hour, then natural cooling, i.e., Diamond must be pre-processed;
(2) in deionized water by the resulting pretreatment diamond dispersion of step (1), ultrasonic vibration stirring 2~3 is small at normal temperature When, Hymecromone is then added and is stirred 3~5 hours at 30~50 DEG C, alkaline solution, stirring 5 is then added ~10 hours, obtain mixed liquor;
(3) step (2) resulting mixed liquor is filtered into obtain solid matter, is then successively cleaned with ethyl alcohol and deionized water into Property, it is then dried under vacuum to constant weight, obtains modified diamond;
(4) polyethylene, polyvinyl alcohol and the resulting modified diamond of step (3) are mixed, is warming up to 60~80 DEG C, ultrasonic wave ring It is stirred in border 30~50 minutes, Treated By Modified Slag fiber is then added, insulated and stirred mixes 2~3 hours, obtains mixture A;
(5) mixture A is uniformly mixed with ethylene-vinyl acetate copolymer, modified epoxy and plasticizer, is subsequently placed in It is warming up to 60~70 DEG C in mixer, is uniformly mixed, obtains mixture B;
(6) antioxidant, initiator and ultraviolet absorbing agent are sequentially added into mixture B, is stirred and uniform, then plus Enter into casting machine, through cooling, traction, winding to get photovoltaic component encapsulating material.
Preferably, the process of stepwise heating is as follows in the step (1): first being heated with the heating rate of 5~10 DEG C/min To 400~500 DEG C, 60~80 minutes are kept the temperature, is then warming up to 800~900 DEG C with the heating rate of 15~23 DEG C/min, heat preservation 3~4 hours, 1000 DEG C finally were warming up to the heating rate of 2~5 DEG C/min.
Preferably, the process of stepwise heating is as follows in the step (1): being first heated to 450 with the heating rate of 8 DEG C/min DEG C, 70 minutes are kept the temperature, is then warming up to 850 DEG C with the heating rate of 20 DEG C/min, 3.5 hours are kept the temperature, finally with 4 DEG C/min's Heating rate is warming up to 1000 DEG C.
Preferably, the rate of slow cooling is 5 DEG C/min in the step (1).
Preferably, the mass ratio of diamond, deionized water, Hymecromone is pre-processed in the step (2) For 1:1000:1.
Preferably, by weight, the usage amount of polyethylene is 10~15 parts in the step (4), polyvinyl alcohol makes The usage amount that dosage is 3~6 parts, the usage amount of modified diamond is 7~14 parts, Treated By Modified Slag fiber obtained by step (3) It is 2~7 parts.
Preferably, the Treated By Modified Slag fiber the preparation method is as follows:
(1) slag is uniformly mixed with soda ash and borax 6:2:2 in mass ratio, is subsequently placed in vacuum preloading in extruder and is shaped to After block stock, then puts into resistance furnace and melt;
(2) the slag liquid of melting is flowed out with thread, then got rid of with high ballast energy gas through the throwing of high speed centrifugation roller head by melt system It is Treated By Modified Slag fiber at very thin greyish white color fibre, 3~6 microns of diameter.
Preferably, by weight, the dosage of mixture A is 20~30 parts, ethene-vinyl acetate in the step (5) The dosage of ester copolymer is 30~50 parts, the dosage of modified epoxy is 15~27 parts, the dosage of plasticizer is 3~5 parts.
Preferably, the modified epoxy the preparation method is as follows:
(1) polyethylene glycol is added into reactor, acetone I is added after vacuum drying, the acetone soln of polyethylene glycol is obtained, another Diisocyanate compound, acetone II, catalyst A are added in one reactor, obtains the acetone of diisocyanate compound The acetone soln of the polyethylene glycol is added drop-wise in the acetone soln of diisocyanate compound by solution, after dripping off, temperature control 54~58 DEG C of 1~2h of reaction, it is spare to obtain base polyurethane prepolymer for use as;
(2) in extracting epoxy resin investment reactor, solvent propylene glycol methyl ether, acetone III, catalyst B is added after vacuum drying, obtains To epoxy resin reaction solution, base polyurethane prepolymer for use as obtained by step (1) is added drop-wise in the epoxy resin reaction solution, after dripping off in 55~60 DEG C of 1~2h of reaction, obtain modified epoxy.
Preferably, the mass ratio of mixture B in the step (4), antioxidant, initiator and ultraviolet absorbing agent is 100:2:3:1。
Compared with prior art, the present invention it has the advantages that
The photovoltaic component encapsulating material transmissivity that the present invention is prepared is high, good weatherability, and mechanical performance is excellent, specific as follows:
(1) present invention is first modified processing to diamond, then mixes with raw materials such as Treated By Modified Slag fibers, mixes between raw material Uniformly, its effect is given full play to, synergistic effect is optimal, and the encapsulating material light transmittance being prepared is high, good weatherability, mechanical Performance is excellent,
(2) preparation method of the present invention is modified diamond, first carries out stage heating, again and auxiliary agent to diamond Hybrid reaction, the compatibility between modified diamond and other raw materials is good, and heating conduction is excellent, significantly improves product Heating conduction and weatherability, to improve photovoltaic conversion efficiency;
(3) preparation method of the present invention heat to diamond and be heated by the way of stage, heat modification Diamond lattic structure afterwards is uniform, and performance is stablized, and is remarkably improved the heating conduction and weather resistance of product;
(4) present invention is modified slag fibre, and slag fibre mechanical performance after modified is more excellent, cooperates with other raw materials Effect, is remarkably improved the mechanical performance of product;
(5) present invention replaces epoxy resin, epoxy resin excellent weather resistance and hard after modified, mechanical property using modified epoxy It is good, it acts synergistically with other raw materials, the weatherability and mechanical property of product can be improved.
Specific embodiment
Present invention will be further explained below with reference to specific examples.These embodiments are merely to illustrate the present invention and do not have to In limiting the scope of the invention.
Embodiment 1
The present embodiment is related to a kind of preparation method of photovoltaic component encapsulating material, includes the following steps:
(1) diamond pre-processes: diamond being placed in put to vacuumize in a plasma agglomeration furnace is heated to 1000 DEG C stage by stage, so After keep the temperature to 40 minutes, then slow cooling is to 200 DEG C, isothermal holding 1 hour, and then natural cooling is to get pretreatment Buddha's warrior attendant Stone;
(2) in deionized water by the resulting pretreatment diamond dispersion of step (1), ultrasonic vibration stirs 2 hours at normal temperature, Then Hymecromone is added to stir 3 hours at 30 DEG C, alkaline solution is then added, stirs 5 hours, obtains mixed Close liquid;
(3) step (2) resulting mixed liquor is filtered into obtain solid matter, is then successively cleaned with ethyl alcohol and deionized water into Property, it is then dried under vacuum to constant weight, obtains modified diamond;
(4) polyethylene, polyvinyl alcohol and the resulting modified diamond of step (3) are mixed, is warming up to 60 DEG C, in ultrasonic environment Then Treated By Modified Slag fiber is added in stirring 30 minutes, insulated and stirred mixes 2 hours, obtains mixture A;
(5) mixture A is uniformly mixed with ethylene-vinyl acetate copolymer, modified epoxy and plasticizer, is subsequently placed in It is warming up to 60 DEG C in mixer, is uniformly mixed, obtains mixture B;
(6) antioxidant, initiator and ultraviolet absorbing agent are sequentially added into mixture B, is stirred and uniform, then plus Enter into casting machine, through cooling, traction, winding to get photovoltaic component encapsulating material.
Wherein, the process of stepwise heating is as follows in the step (1): being first heated to 400 with the heating rate of 5 DEG C/min DEG C, 60 minutes are kept the temperature, is then warming up to 800 DEG C with the heating rate of 15 DEG C/min, 3 hours are kept the temperature, finally with the liter of 2 DEG C/min Warm speed is warming up to 1000 DEG C.
Wherein, the rate of slow cooling is 5 DEG C/min in the step (1).
Wherein, pretreatment diamond in the step (2), deionized water, Hymecromone mass ratio be 1:1000:1。
Wherein, by weight, the usage amount of polyethylene is 10 parts in the step (4), the usage amount of polyvinyl alcohol is 3 The usage amount of modified diamond is 7 parts obtained by part, step (3), the usage amount of Treated By Modified Slag fiber is 2 parts.
Wherein, the Treated By Modified Slag fiber the preparation method is as follows:
(1) slag is uniformly mixed with soda ash and borax 6:2:2 in mass ratio, is subsequently placed in vacuum preloading in extruder and is shaped to After block stock, then puts into resistance furnace and melt;
(2) the slag liquid of melting is flowed out with thread, then got rid of with high ballast energy gas through the throwing of high speed centrifugation roller head by melt system It is Treated By Modified Slag fiber at very thin greyish white color fibre, 3~6 microns of diameter.
Wherein, by weight, the dosage of mixture A is 20 parts in the step (5), ethylene-vinyl acetate is copolymerized The dosage of object is 30 parts, the dosage of modified epoxy is 15 parts, the dosage of plasticizer is 3 parts.
Wherein, the modified epoxy the preparation method is as follows:
(1) polyethylene glycol is added into reactor, acetone I is added after vacuum drying, the acetone soln of polyethylene glycol is obtained, another Diisocyanate compound, acetone II, catalyst A are added in one reactor, obtains the acetone of diisocyanate compound The acetone soln of the polyethylene glycol is added drop-wise in the acetone soln of diisocyanate compound by solution, after dripping off, temperature control 54 DEG C of reaction 1h, it is spare to obtain base polyurethane prepolymer for use as;
(2) in extracting epoxy resin investment reactor, solvent propylene glycol methyl ether, acetone III, catalyst B is added after vacuum drying, obtains To epoxy resin reaction solution, base polyurethane prepolymer for use as obtained by step (1) is added drop-wise in the epoxy resin reaction solution, after dripping off in 55 DEG C of reaction 1h, obtain modified epoxy.
Wherein, the mass ratio of mixture B in the step (4), antioxidant, initiator and ultraviolet absorbing agent is 100: 2:3:1。
Embodiment 2
The present embodiment is related to a kind of preparation method of photovoltaic component encapsulating material, includes the following steps:
(1) diamond pre-processes: diamond being placed in put to vacuumize in a plasma agglomeration furnace is heated to 1000 DEG C stage by stage, so After keep the temperature to 60 minutes, then slow cooling is to 300 DEG C, isothermal holding 2 hours, and then natural cooling is to get pretreatment Buddha's warrior attendant Stone;
(2) in deionized water by the resulting pretreatment diamond dispersion of step (1), ultrasonic vibration stirs 3 hours at normal temperature, Then Hymecromone is added to stir 5 hours at 50 DEG C, alkaline solution is then added, stirs 10 hours, obtains mixed Close liquid;
(3) step (2) resulting mixed liquor is filtered into obtain solid matter, is then successively cleaned with ethyl alcohol and deionized water into Property, it is then dried under vacuum to constant weight, obtains modified diamond;
(4) polyethylene, polyvinyl alcohol and the resulting modified diamond of step (3) are mixed, is warming up to 80 DEG C, in ultrasonic environment Then Treated By Modified Slag fiber is added in stirring 50 minutes, insulated and stirred mixes 3 hours, obtains mixture A;
(5) mixture A is uniformly mixed with ethylene-vinyl acetate copolymer, modified epoxy and plasticizer, is subsequently placed in It is warming up to 70 DEG C in mixer, is uniformly mixed, obtains mixture B;
(6) antioxidant, initiator and ultraviolet absorbing agent are sequentially added into mixture B, is stirred and uniform, then plus Enter into casting machine, through cooling, traction, winding to get photovoltaic component encapsulating material.
Wherein, the process of stepwise heating is as follows in the step (1): being first heated to 500 with the heating rate of 10 DEG C/min DEG C, 80 minutes are kept the temperature, is then warming up to 900 DEG C with the heating rate of 23 DEG C/min, 4 hours are kept the temperature, finally with the liter of 5 DEG C/min Warm speed is warming up to 1000 DEG C.
Wherein, the rate of slow cooling is 5 DEG C/min in the step (1).
Wherein, pretreatment diamond in the step (2), deionized water, Hymecromone mass ratio be 1:1000:1。
Wherein, by weight, the usage amount of polyethylene is 15 parts in the step (4), the usage amount of polyvinyl alcohol is 6 The usage amount of modified diamond is 14 parts obtained by part, step (3), the usage amount of Treated By Modified Slag fiber is 7 parts.
Wherein, the Treated By Modified Slag fiber the preparation method is as follows:
(1) slag is uniformly mixed with soda ash and borax 6:2:2 in mass ratio, is subsequently placed in vacuum preloading in extruder and is shaped to After block stock, then puts into resistance furnace and melt;
(2) the slag liquid of melting is flowed out with thread, then got rid of with high ballast energy gas through the throwing of high speed centrifugation roller head by melt system It is Treated By Modified Slag fiber at very thin greyish white color fibre, 3~6 microns of diameter.
Wherein, by weight, the dosage of mixture A is 30 parts in the step (5), ethylene-vinyl acetate is copolymerized The dosage of object is 50 parts, the dosage of modified epoxy is 27 parts, the dosage of plasticizer is 5 parts.
Wherein, the modified epoxy the preparation method is as follows:
(1) polyethylene glycol is added into reactor, acetone I is added after vacuum drying, the acetone soln of polyethylene glycol is obtained, another Diisocyanate compound, acetone II, catalyst A are added in one reactor, obtains the acetone of diisocyanate compound The acetone soln of the polyethylene glycol is added drop-wise in the acetone soln of diisocyanate compound by solution, after dripping off, temperature control 58 DEG C of reaction 2h, it is spare to obtain base polyurethane prepolymer for use as;
(2) in extracting epoxy resin investment reactor, solvent propylene glycol methyl ether, acetone III, catalyst B is added after vacuum drying, obtains To epoxy resin reaction solution, base polyurethane prepolymer for use as obtained by step (1) is added drop-wise in the epoxy resin reaction solution, after dripping off in 60 DEG C of reaction 2h, obtain modified epoxy.
Wherein, the mass ratio of mixture B in the step (4), antioxidant, initiator and ultraviolet absorbing agent is 100: 2:3:1。
Embodiment 3
The present embodiment is related to a kind of preparation method of photovoltaic component encapsulating material, includes the following steps:
(1) diamond pre-processes: diamond being placed in put to vacuumize in a plasma agglomeration furnace is heated to 1000 DEG C stage by stage, so After keep the temperature to 50 minutes, then slow cooling is to 250 DEG C, isothermal holding 1.5 hours, and then natural cooling is to get pretreatment gold Hard rock;
(2) in deionized water by the resulting pretreatment diamond dispersion of step (1), ultrasonic vibration stirring 2.5 is small at normal temperature When, then enter Hymecromone and stirred 4 hours at 40 DEG C, alkaline solution is then added, stirs 8 hours, obtain mixed Close liquid;
(3) step (2) resulting mixed liquor is filtered into obtain solid matter, is then successively cleaned with ethyl alcohol and deionized water into Property, it is then dried under vacuum to constant weight, obtains modified diamond;
(4) polyethylene, polyvinyl alcohol and the resulting modified diamond of step (3) are mixed, is warming up to 70 DEG C, in ultrasonic environment Then Treated By Modified Slag fiber is added in stirring 40 minutes, insulated and stirred mixes 2.5 hours, obtains mixture A;
(5) mixture A is uniformly mixed with ethylene-vinyl acetate copolymer, modified epoxy and plasticizer, is subsequently placed in It is warming up to 65 DEG C in mixer, is uniformly mixed, obtains mixture B;
(6) antioxidant, initiator and ultraviolet absorbing agent are sequentially added into mixture B, is stirred and uniform, then plus Enter into casting machine, through cooling, traction, winding to get photovoltaic component encapsulating material.
Wherein, the process of stepwise heating is as follows in the step (1): being first heated to 450 with the heating rate of 8 DEG C/min DEG C, 70 minutes are kept the temperature, is then warming up to 850 DEG C with the heating rate of 20 DEG C/min, 3.5 hours are kept the temperature, finally with 4 DEG C/min's Heating rate is warming up to 1000 DEG C.
Wherein, the rate of slow cooling is 5 DEG C/min in the step (1).
Wherein, pretreatment diamond in the step (2), deionized water, Hymecromone mass ratio be 1:1000:1。
Wherein, by weight, the usage amount of polyethylene is 13 parts in the step (4), the usage amount of polyvinyl alcohol is 5 The usage amount of modified diamond is 10 parts obtained by part, step (3), the usage amount of Treated By Modified Slag fiber is 5 parts.
Wherein, the Treated By Modified Slag fiber the preparation method is as follows:
(1) slag is uniformly mixed with soda ash and borax 6:2:2 in mass ratio, is subsequently placed in vacuum preloading in extruder and is shaped to After block stock, then puts into resistance furnace and melt;
(2) the slag liquid of melting is flowed out with thread, then got rid of with high ballast energy gas through the throwing of high speed centrifugation roller head by melt system It is Treated By Modified Slag fiber at very thin greyish white color fibre, 3~6 microns of diameter.
Wherein, by weight, the dosage of mixture A is 25 parts in the step (5), ethylene-vinyl acetate is copolymerized The dosage of object is 40 parts, the dosage of modified epoxy is 22 parts, the dosage of plasticizer is 4 parts.
Wherein, the modified epoxy the preparation method is as follows:
(1) polyethylene glycol is added into reactor, acetone I is added after vacuum drying, the acetone soln of polyethylene glycol is obtained, another Diisocyanate compound, acetone II, catalyst A are added in one reactor, obtains the acetone of diisocyanate compound The acetone soln of the polyethylene glycol is added drop-wise in the acetone soln of diisocyanate compound by solution, after dripping off, temperature control 56 DEG C of reaction 1.5h, it is spare to obtain base polyurethane prepolymer for use as;
(2) in extracting epoxy resin investment reactor, solvent propylene glycol methyl ether, acetone III, catalyst B is added after vacuum drying, obtains To epoxy resin reaction solution, base polyurethane prepolymer for use as obtained by step (1) is added drop-wise in the epoxy resin reaction solution, after dripping off in 57 DEG C of reaction 1.5h, obtain modified epoxy.
Wherein, the mass ratio of mixture B in the step (4), antioxidant, initiator and ultraviolet absorbing agent is 100: 2:3:1。
Comparative example 1
Application publication number is a kind of photovoltaic encapsulation material of high transparency disclosed in the Chinese patent of CN108264682A.
Comparative example 2
By " diamond being placed in put to vacuumize in a plasma agglomeration furnace and is heated to 1000 stage by stage in 3 step of embodiment (1) DEG C " be changed to " be placed in put to vacuumize in a plasma agglomeration furnace by diamond and directly heat to 1000 DEG C ", remaining step and implementation Example 3 is consistent.
Comparative example 3
Modified epoxy is replaced using epoxy resin, remaining step and embodiment 3 are consistent.
It is made to embodiment 1, embodiment 2, embodiment 3, comparative example 1, comparative example 2, comparative example 3 respectively according to professional standard Encapsulating material performance tested, test result is as follows table 1:
Table 1:
Light transmittance (%) Tensile strength (MPa) Break-draw rate (%) Water vapor transmittance (g/m2﹒ d) OTR oxygen transmission rate (cm3/m2﹒ 24h ﹒ atm)
Embodiment 1 93.65 40 289 0.76 0.42
Embodiment 2 93.67 43 293 0.72 0.40
Embodiment 3 93.78 42 290 0.73 0.39
Embodiment mean value 93.7 41.67 290.67 0.74 0.40
Comparative example 1 92.12 37 240 1 0.5
Comparative example 2 92.23 40 280 0.78 0.43
Comparative example 3 93.32 38 243 0.93 0.48
As can be seen from the above table:
(1) light transmittance of encapsulating material described in Examples 1 to 3 is compared for 93.7 with the light transmittance of comparative example 1, improves 1.72%;
(2) tensile strength of encapsulating material described in Examples 1 to 3 is compared for 41.67 with the tensile strength of comparative example 1, mentions It is high by 12.61%;
(3) the break-draw rate of encapsulating material described in Examples 1 to 3 is compared for 290.67 with the break-draw rate of comparative example 1, Improve 21.11%;
(4) water vapor transmittance of encapsulating material described in Examples 1 to 3 is compared for 0.74 with the water vapor transmittance of comparative example 1, drops Low 26.3%;
(5) OTR oxygen transmission rate of encapsulating material described in Examples 1 to 3 is compared for 0.4 with the OTR oxygen transmission rate of comparative example 1, reduces 19.3%;
(6) comparative example 2 and encapsulating material performance described in embodiment 3 are compared, light transmittance is substantially reduced, and is reduced 1.7%;
(7) comparative example 3 and encapsulating material performance described in embodiment 3 are compared, tensile strength, break-draw rate, Water vapor transmittance, OTR oxygen transmission rate performance reduce.
In conclusion photovoltaic component encapsulating material transmissivity that the present invention is prepared is high, good weatherability, mechanical performance It is excellent, specific as follows:
(1) present invention is first modified processing to diamond, then mixes with raw materials such as Treated By Modified Slag fibers, mixes between raw material Uniformly, its effect is given full play to, synergistic effect is optimal, and the encapsulating material light transmittance being prepared is high, good weatherability, mechanical Performance is excellent,
(2) preparation method of the present invention is modified diamond, first carries out stage heating, again and auxiliary agent to diamond Hybrid reaction, the compatibility between modified diamond and other raw materials is good, and heating conduction is excellent, significantly improves product Heating conduction and weatherability, to improve photovoltaic conversion efficiency;
(3) preparation method of the present invention heat to diamond and be heated by the way of stage, heat modification Diamond lattic structure afterwards is uniform, and performance is stablized, and is remarkably improved the heating conduction and weather resistance of product;
(4) present invention is modified slag fibre, and slag fibre mechanical performance after modified is more excellent, cooperates with other raw materials Effect, is remarkably improved the mechanical performance of product;
(5) present invention replaces epoxy resin, epoxy resin excellent weather resistance and hard after modified, mechanical property using modified epoxy It is good, it acts synergistically with other raw materials, the weatherability and mechanical property of product can be improved.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow Ring substantive content of the invention.

Claims (10)

1. a kind of preparation method of photovoltaic component encapsulating material, which comprises the steps of:
(1) diamond pre-processes: diamond being placed in put to vacuumize in a plasma agglomeration furnace is heated to 1000 DEG C stage by stage, so After keep the temperature to 40~60 minutes, then slow cooling is to 200~300 DEG C, isothermal holding 1~2 hour, then natural cooling, i.e., Diamond must be pre-processed;
(2) in deionized water by the resulting pretreatment diamond dispersion of step (1), ultrasonic vibration stirring 2~3 is small at normal temperature When, Hymecromone is then added and is stirred 3~5 hours at 30~50 DEG C, alkaline solution, stirring 5 is then added ~10 hours, obtain mixed liquor;
(3) step (2) resulting mixed liquor is filtered into obtain solid matter, is then successively cleaned with ethyl alcohol and deionized water into Property, it is then dried under vacuum to constant weight, obtains modified diamond;
(4) polyethylene, polyvinyl alcohol and the resulting modified diamond of step (3) are mixed, is warming up to 60~80 DEG C, ultrasonic wave ring It is stirred in border 30~50 minutes, Treated By Modified Slag fiber is then added, insulated and stirred mixes 2~3 hours, obtains mixture A;
(5) mixture A is uniformly mixed with ethylene-vinyl acetate copolymer, modified epoxy and plasticizer, is subsequently placed in It is warming up to 60~70 DEG C in mixer, is uniformly mixed, obtains mixture B;
(6) antioxidant, initiator and ultraviolet absorbing agent are sequentially added into mixture B, is stirred and uniform, then plus Enter into casting machine, through cooling, traction, winding to get photovoltaic component encapsulating material.
2. the preparation method of photovoltaic component encapsulating material according to claim 1, which is characterized in that step (1) scala media The process of Duan Jiare is as follows: being first heated to 400~500 DEG C with the heating rate of 5~10 DEG C/min, keeps the temperature 60~80 minutes, so 800~900 DEG C are warming up to the heating rate of 15~23 DEG C/min afterwards, 3~4 hours are kept the temperature, finally with the liter of 2~5 DEG C/min Warm speed is warming up to 1000 DEG C.
3. the preparation method of photovoltaic component encapsulating material according to claim 2, which is characterized in that step (1) scala media The process of Duan Jiare is as follows: being first heated to 450 DEG C with the heating rate of 8 DEG C/min, 70 minutes is kept the temperature, then with 20 DEG C/min's Heating rate is warming up to 850 DEG C, keeps the temperature 3.5 hours, is finally warming up to 1000 DEG C with the heating rate of 4 DEG C/min.
4. the preparation method of photovoltaic component encapsulating material according to claim 1, which is characterized in that delay in the step (1) Slowly the rate to cool down is 5 DEG C/min.
5. the preparation method of photovoltaic component encapsulating material according to claim 1, which is characterized in that pre- in the step (2) Handle diamond, deionized water, Hymecromone mass ratio be 1:1000:1.
6. the preparation method of photovoltaic component encapsulating material according to claim 1, which is characterized in that by weight, described The usage amount of polyethylene is 10~15 parts in step (4), the usage amount of polyvinyl alcohol is 3~6 parts, modified gold obtained by step (3) The usage amount of hard rock is 7~14 parts, the usage amount of Treated By Modified Slag fiber is 2~7 parts.
7. the preparation method of photovoltaic component encapsulating material according to claim 1, which is characterized in that the Treated By Modified Slag fiber The preparation method is as follows:
(1) slag is uniformly mixed with soda ash and borax 6:2:2 in mass ratio, is subsequently placed in vacuum preloading in extruder and is shaped to After block stock, then puts into resistance furnace and melt;
(2) the slag liquid of melting is flowed out with thread, then got rid of with high ballast energy gas through the throwing of high speed centrifugation roller head by melt system It is Treated By Modified Slag fiber at very thin greyish white color fibre, 3~6 microns of diameter.
8. the preparation method of photovoltaic component encapsulating material according to claim 1, which is characterized in that by weight, described The dosage of mixture A is 20~30 parts in step (5), the dosage of ethylene-vinyl acetate copolymer is 30~50 parts, modified ring The dosage of oxygen resin is 15~27 parts, the dosage of plasticizer is 3~5 parts.
9. the preparation method of photovoltaic component encapsulating material according to claim 1, which is characterized in that the modified epoxy The preparation method is as follows:
(1) polyethylene glycol is added into reactor, acetone I is added after vacuum drying, the acetone soln of polyethylene glycol is obtained, another Diisocyanate compound, acetone II, catalyst A are added in one reactor, obtains the acetone of diisocyanate compound The acetone soln of the polyethylene glycol is added drop-wise in the acetone soln of diisocyanate compound by solution, after dripping off, temperature control 54~58 DEG C of 1~2h of reaction, it is spare to obtain base polyurethane prepolymer for use as;
(2) in extracting epoxy resin investment reactor, solvent propylene glycol methyl ether, acetone III, catalyst B is added after vacuum drying, obtains To epoxy resin reaction solution, base polyurethane prepolymer for use as obtained by step (1) is added drop-wise in the epoxy resin reaction solution, after dripping off in 55~60 DEG C of 1~2h of reaction, obtain modified epoxy.
10. the preparation method of photovoltaic component encapsulating material according to claim 1, which is characterized in that mixed in the step (4) The mass ratio for closing object B, antioxidant, initiator and ultraviolet absorbing agent is 100:2:3:1.
CN201811352080.1A 2018-11-14 2018-11-14 A kind of preparation method of photovoltaic component encapsulating material Withdrawn CN109438826A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811352080.1A CN109438826A (en) 2018-11-14 2018-11-14 A kind of preparation method of photovoltaic component encapsulating material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811352080.1A CN109438826A (en) 2018-11-14 2018-11-14 A kind of preparation method of photovoltaic component encapsulating material

Publications (1)

Publication Number Publication Date
CN109438826A true CN109438826A (en) 2019-03-08

Family

ID=65552251

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811352080.1A Withdrawn CN109438826A (en) 2018-11-14 2018-11-14 A kind of preparation method of photovoltaic component encapsulating material

Country Status (1)

Country Link
CN (1) CN109438826A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113930748A (en) * 2020-07-13 2022-01-14 苏州阿特斯阳光电力科技有限公司 Preparation method of solar cell, solar cell and photovoltaic module

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102272221A (en) * 2008-11-24 2011-12-07 纳幕尔杜邦公司 Solar cell modules comprising an encapsulant sheet of a blend of ethylene copolymers
CN103466999A (en) * 2013-08-27 2013-12-25 信阳科思建筑节能科技有限公司 Superfine fiber composite heat insulation material, heat insulation plate and preparation method of heat insulation plate
CN108456399A (en) * 2018-02-05 2018-08-28 合肥华盖光伏科技有限公司 A kind of light encapsulating material of solar cell environmental protection heat conduction and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102272221A (en) * 2008-11-24 2011-12-07 纳幕尔杜邦公司 Solar cell modules comprising an encapsulant sheet of a blend of ethylene copolymers
CN103466999A (en) * 2013-08-27 2013-12-25 信阳科思建筑节能科技有限公司 Superfine fiber composite heat insulation material, heat insulation plate and preparation method of heat insulation plate
CN108456399A (en) * 2018-02-05 2018-08-28 合肥华盖光伏科技有限公司 A kind of light encapsulating material of solar cell environmental protection heat conduction and preparation method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113930748A (en) * 2020-07-13 2022-01-14 苏州阿特斯阳光电力科技有限公司 Preparation method of solar cell, solar cell and photovoltaic module
CN113930748B (en) * 2020-07-13 2024-02-20 苏州阿特斯阳光电力科技有限公司 Solar cell manufacturing method, solar cell and photovoltaic module

Similar Documents

Publication Publication Date Title
CN102666616B (en) Sealing film for solar cells, and solar cells
CN101735744B (en) EVA hot melt adhesive sheet for solar battery
CN102250554B (en) Sealing adhesive film for solar cell
CN108997957A (en) A kind of white EVA packaging adhesive film and preparation method thereof
CN107681015A (en) The preparation method of PVB glued membranes and the solar double-glass assemblies encapsulated with the PVB glued membranes
CN106244032A (en) A kind of EVA adhesive film used for solar batteries and preparation method thereof
CN106189932A (en) Solar module of high electricity conversion and preparation method thereof
CN102975448A (en) Solar battery package material and solar battery
CN109438826A (en) A kind of preparation method of photovoltaic component encapsulating material
CN117025208A (en) Composite light conversion powder, preparation method thereof and light conversion adhesive film
CN109705442B (en) PID (potential induced degradation) resistant functional master batch containing illite/montmorillonite clay for photovoltaic packaging film and preparation method thereof
CN114014545A (en) Water-based glaze as well as preparation method and application thereof
CN117229728A (en) Light conversion adhesive film and preparation method and application thereof
CN108587495A (en) The method for improving anaerobic adhesive performance with silane coupling agent processing bonding plane
CN108395855A (en) A kind of special encapsulating material of solar cell and preparation method thereof
CN113314634A (en) Solar cell backboard with down-conversion function and preparation method thereof
CN106047194B (en) Ultraviolet light conversion solar energy cell package glue film and preparation method thereof
CN106398592A (en) EVA packaging glue film with effect of improving solar assembly transition power
CN109456530A (en) A kind of high thermal conductivity solar components encapsulating material and preparation method thereof
CN111763286A (en) Packaging material and preparation method and application thereof
CN115491152A (en) Heat-conducting packaging adhesive film and preparation method thereof
CN111534237B (en) Photo-thermal dual-curing polyolefin packaging adhesive film and preparation method thereof
CN207425876U (en) A kind of solar double-glass assemblies encapsulated with PVB glued membranes
CN107170851A (en) A kind of solar cell package material and preparation method thereof
CN112300503A (en) Photovoltaic module back high-performance protective film and preparation method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20190308