CN108659332A - A kind of preparation method of high temperature resistant packaging adhesive film for solar cell - Google Patents
A kind of preparation method of high temperature resistant packaging adhesive film for solar cell Download PDFInfo
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- CN108659332A CN108659332A CN201810626497.6A CN201810626497A CN108659332A CN 108659332 A CN108659332 A CN 108659332A CN 201810626497 A CN201810626497 A CN 201810626497A CN 108659332 A CN108659332 A CN 108659332A
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions 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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0856—Iron
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- 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
Abstract
The invention discloses a kind of preparation methods of high temperature resistant packaging adhesive film for solar cell, belong to technical field of polymer materials.Silicon nitride crystal whisker, nanometer iron powder, water for ball milling mixing, sieving are obtained No. 1 mixed liquor by the present invention；By europium oxide, acrylic acid is reacted with water termostat, is distilled, and is taken out, and washing dry, pulverize, and is sieved, obtains gel powder；By gel powder, lysate, pentane, methyl methacrylate mixing obtains No. 2 mixed liquors；No. 2 mixed liquors and No. 1 mixed liquor are sheared, are reacted, are cooled down, are discharged, are filtered, washing obtains modified filler；By matrix resin, organic siliconresin, tackifying resin, antioxidant, crosslinking agent, coupling agent, rosin, platinum group catalyst and modified filler are kneaded, squeeze out, cooling, are granulated to get high temperature resistant packaging adhesive film for solar cell.High temperature resistant packaging adhesive film for solar cell provided by the invention has excellent thermal stability and endurance quality.
Description
Technical field
The invention discloses a kind of preparation methods of high temperature resistant packaging adhesive film for solar cell, belong to high polymer material technology
Field.
Background technology
Solar energy has many advantages, such as safe and reliable, noiseless, pollution-free, renewable, broad covered area, is presently the most important
New energy, main application form is exactly solar cell power generation.Develop with the continuous change of solar cell, how by changing
Into encapsulating material and packaging technology come improve solar cell service life, reduce solar cell cost become critical issue it
One.Solar cell module includes photovoltaic module, glass cover-plate, packaging adhesive film, back veneer material.Wherein packaging adhesive film is required to possess
Good light transmittance is to ensure to be incident on luminous flux on photovoltaic module.
The refractive index of the material EVA of traditional solar components encapsulation is smaller than the refractive index of glass, works as sunlight in this way
It transmits from glass and can become larger accordingly using refraction angle after EVA, to cause following point：Accordingly it is incident on cell piece
Angle of light can also become larger, and corresponding reflected light and the corresponding loss that diffuses are just more；Due to cell piece grid line have it is certain
Highly, the more big corresponding grid line shielding light region of angle of light is bigger on cell piece；Again from anti-after light is from glass transmitted through EVA
The light reflection angle that light back board is reflected back is larger, some light are directly reflected into the back side of cell piece, leads to the waste of luminous energy.It is above-mentioned
Situation results in the loss of the effective light of cell piece and the reduction of solar components transfer efficiency.
Current common packaging adhesive film for solar cell is chronically exposed to ultraviolet light there are anti-aging property difference and bad adhesion
Under vapor, it is easy to the defect for causing it to degrade or fall off.Therefore, invent that a kind of anti-aging property is good and adhesive property is good
Packaging adhesive film for solar cell has positive effect to glued membrane preparing technical field.
At present traditional high temperature resistant packaging adhesive film for solar cell there is also thermal stabilities and endurance quality can not be into one
The problem of step improves, therefore also need to study it.
Invention content
The present invention solves the technical problem of：For traditional high temperature resistant packaging adhesive film for solar cell thermal stability
The problem of can not being further increased with endurance quality, provides a kind of preparation method of high temperature resistant packaging adhesive film for solar cell.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：
（1）It counts in parts by weight, by 10~20 parts of silicon nitride crystal whiskers, 5~8 parts of nanometer iron powders, 30~40 parts of water for ball milling mixing, mistake
The sieve of 60 mesh obtains No. 1 mixed liquor；
（2）It counts in parts by weight, by 3~5 parts of europium oxides, 6~10 parts of acrylic acid are stirred to react with 20~30 parts of water termostats, decompression
Distillation, it is cooling, it takes out, washing dry, pulverize, and crosses the sieve of 60 mesh, obtains gel powder；
（3）By azodiisobutyronitrile and ethanol solution in mass ratio 1：10~1：20 stirring and dissolvings, obtain lysate；
（4）It counts in parts by weight, by 20~30 parts of gel powders, 10~20 parts of lysates, 10~20 parts of pentanes, 10~20 parts of first
Base methyl acrylate is stirred, and obtains No. 2 mixed liquors；
（5）By No. 2 mixed liquors and No. 1 mixed liquor in mass ratio 1：5~1：10 low-temperature and high-speeds are sheared, the reaction of nitrogen charging high pressure heat-preserving,
Cooling, pressure release discharge, and filter, and washing obtains modified filler；
（5）It counts in parts by weight, by 80~100 parts of matrix resins, 10~20 parts of organic siliconresins, 20~30 parts of tackifying resins, 3
~5 parts of antioxidants, 8~10 parts of crosslinking agents, 5~8 parts of coupling agents, 5~8 parts of platinum group catalysts, 8~10 parts of rosin and 20~30
Part modified filler is kneaded, and obtains mixed slurry；
（6）Above-mentioned gained mixed slurry is put into and carries out extrusion operation in double screw extruder, the product of extrusion passes through room temperature
Cooling, comminutor is granulated to get high temperature resistant packaging adhesive film for solar cell.
A kind of preparation method of high temperature resistant packaging adhesive film for solar cell according to claim 1, it is characterised in that：Step
Suddenly（5）The nitrogen charging high pressure heat-preserving reaction condition is：Nitrogen be filled with rate be 60~90mL/min, 0.5~0.8MPa of pressure,
Temperature is 60~80 DEG C, 30~50min of insulation reaction.
A kind of preparation method of high temperature resistant packaging adhesive film for solar cell according to claim 1, it is characterised in that：Step
Suddenly（6）Described matrix resin is any one in EVA resin or TPU resins.
A kind of preparation method of high temperature resistant packaging adhesive film for solar cell according to claim 1, it is characterised in that：Step
Suddenly（4）The organic siliconresin is poly- methylsiloxane resin, is appointed in poly- ethyl organic siliconresin or poly- aryl organic siliconresin
Meaning is a kind of.
A kind of preparation method of high temperature resistant packaging adhesive film for solar cell according to claim 1, it is characterised in that：Step
Suddenly（6）The tackifying resin is Petropols and terpene resin in mass ratio 1：1 mixed preparing forms.
A kind of preparation method of high temperature resistant packaging adhesive film for solar cell according to claim 1, it is characterised in that：Step
Suddenly（6）The antioxidant is di-t-butyl -2 6,6-, 2 '-thio-p-cresols, thio-2 acid stearate, thio dipropyl
Any one in sour lauric acid fat.
A kind of preparation method of high temperature resistant packaging adhesive film for solar cell according to claim 1, it is characterised in that：Step
Suddenly（6）The crosslinking agent is cumyl peroxide, t-butylperoxyisopropyl carbonic ester, in peroxidized t-butyl perbenzoate
Any one.
A kind of preparation method of high temperature resistant packaging adhesive film for solar cell according to claim 1, it is characterised in that：Step
Suddenly（6）The coupling agent is aluminate coupling agent, any one in silane coupling agent or titanate coupling agent.
The beneficial effects of the invention are as follows：
The present invention first, is reacted using europium oxide with acrylic acid by adding modified filler in preparation process, and propylene is generated
Sour europium, the europium acrylate of generation under the initiation of azodiisobutyronitrile, are copolymerized, because of metering system with methyl methacrylate
Sour methyl esters and matrix resin compatibility are good so that the europium element as ultraviolet absorber is fixed in system, is effectively prevented
Secondly the loss of europium element, in mixing process, is wrapped up just to improve the endurance quality of product inside modified filler
The heated volatilization of pentane so that modified filler volume constantly expands, until rupture, the quick volatilization of pentane, make its surface wrap up
Silicon nitride crystal whisker and nanometer iron powder is good is dispersed in system, and form heat conduction network, can rapidly will be in system
Heat guides rapidly so that and the thermal stability of system can get a promotion, as temperature constantly rises, the organosilicon tree in system
Fat silane bond fission decomposes, and strong combined with nanometer iron powder of remaining silica generates silica iron alloy layer, on the one hand, increases resin
Binding force between filler effectively reduces the thermal contact resistance between resin and filler so that the heat conductivility of system obtains further
Promotion, on the other hand, silica iron alloy layer can effectively obstruct external heat, and heat is forced to concentrate on the heat conduction of silicon nitride composition
In network, accelerate the heat exchange of system so that heat is guided rapidly, and the thermal stability energy of system is further promoted, to
Further increase the efficiency of solar cell.
Specific implementation mode
It counts in parts by weight, by 10~20 parts of silicon nitride crystal whiskers, 5~8 parts of nanometer iron powders, 30~40 parts of water are placed in ball mill
Middle ball milling mixing crosses the sieve of 60 mesh, obtains No. 1 mixed liquor；Count in parts by weight, by 3~5 parts of europium oxides, 6~10 parts of acrylic acid with
20~30 parts of water are placed in No. 1 beaker, and No. 1 beaker is placed in digital display and is tested the speed constant temperature blender with magnetic force, in temperature be 90~95
DEG C, under the conditions of rotating speed is 600~800r/min, constant temperature is stirred to react 3~5h, obtains mixed serum, is then placed in mixed serum
It it is 60~70 DEG C in temperature, pressure is 500~800Pa, and under the conditions of rotating speed is 50~80r/min, decompression is steamed in Rotary Evaporators
40~60min postcoolings are evaporated, then take out gelled block, is washed 5~8 times with methanol, is then placed in the gel piece after washing
It is crushed in pulverizer, crosses the sieve of 60 mesh, obtain gel powder；The ethanol solution for being 70~80% by azodiisobutyronitrile and mass fraction
In mass ratio 1：10~1：20 are placed in No. 2 beakers, under the conditions of rotating speed is 500~800r/min, stirring and dissolving 40~
60min obtains lysate；It counts in parts by weight, by 20~30 parts of gel powders, 10~20 parts of lysates, 10~20 parts of pentanes, 10
~20 parts of methyl methacrylates are placed in No. 3 beakers, under the conditions of rotating speed is 400~600r/min, it is stirred 40~
60min obtains No. 2 mixed liquors；By No. 2 mixed liquors and No. 1 mixed liquor in mass ratio 1：5~1：10 are placed in shearing homogenizer, in
Under the conditions of temperature is 1~5 DEG C, low-temperature and high-speed shears 5~10min, obtains homogeneous mixed liquor, homogeneous mixed liquor is then placed in high pressure
In reaction kettle, and nitrogen is filled with into reaction kettle with 60~90mL/min rates, in 0.5~0.8MPa of pressure, temperature is 60~
80 DEG C, after nitrogen charging high pressure heat-preserving reacts 30~50min, reaction under high pressure temperature in the kettle is cooled to room temperature, opens valve pressure release, go out
Material, obtains mixed serum, then mixed serum is filtered, obtains filter cake, and then Washing of Filter Cake 5~8 times must be modified and be filled out with deionized water
Material；It counts in parts by weight, by 80~100 parts of matrix resins, 10~20 parts of organic siliconresins, 20~30 parts of tackifying resins, 3~5
Part antioxidant, 8~10 parts of crosslinking agents, 5~8 parts of coupling agents, 5~8 parts of platinum group catalysts, 8~10 parts of rosin and 20~30 parts
Kneading machine is added in modified filler, is heated to 90~100 DEG C while stirring, and mixing speed is 100~200r/min, when mixing
Between be 20~30min, obtain mixed slurry；Then mixed slurry is put into and carries out extrusion operation in double screw extruder, squeezed out
Product by room temperature cool down, comminutor be granulated to get high temperature resistant packaging adhesive film for solar cell.Described matrix resin is EVA
Any one in resin or TPU resins.The organic siliconresin be poly- methylsiloxane resin, poly- ethyl organic siliconresin or
Any one in poly- aryl organic siliconresin.The tackifying resin is Petropols and terpene resin in mass ratio 1：1 mixing is matched
It makes.The antioxidant be di-t-butyl -2 6,6-, 2 '-thio-p-cresols, thio-2 acid stearate, thio two
Any one in propionic acid lauric acid fat.The crosslinking agent be cumyl peroxide, t-butylperoxyisopropyl carbonic ester,
Any one in peroxidized t-butyl perbenzoate.The coupling agent is aluminate coupling agent, and silane coupling agent or titanate esters are even
Join any one in agent.
It counts in parts by weight, by 20 parts of silicon nitride crystal whiskers, 8 parts of nanometer iron powders, 40 parts of water are placed in ball milling mixing in ball mill,
The sieve for crossing 60 mesh obtains No. 1 mixed liquor；It counts in parts by weight, by 5 parts of europium oxides, 10 parts of acrylic acid and 30 parts of water are placed in No. 1 beaker
In, and No. 1 beaker is placed in digital display and is tested the speed constant temperature blender with magnetic force, in temperature be 95 DEG C, it is permanent under the conditions of rotating speed is 800r/min
Temperature is stirred to react 5h, obtains mixed serum, then mixed serum is placed in Rotary Evaporators, is 70 DEG C in temperature, pressure is
800Pa is evaporated under reduced pressure 60min postcoolings, then takes out gelled block, washed 8 times with methanol under the conditions of rotating speed is 80r/min,
Then the gel piece after washing is placed in pulverizer and is crushed, crossed the sieve of 60 mesh, obtain gel powder；By azodiisobutyronitrile and quality
The ethanol solution in mass ratio 1 that score is 80%：20 are placed in No. 2 beakers, under the conditions of rotating speed is 800r/min, stirring and dissolving
50min obtains lysate；It counts in parts by weight, by 30 parts of gel powders, 20 parts of lysates, 20 parts of pentanes, 20 parts of methacrylic acids
Methyl esters is placed in No. 3 beakers, under the conditions of rotating speed is 600r/min, is stirred 60min, is obtained No. 2 mixed liquors；No. 2 are mixed
Liquid and No. 1 mixed liquor in mass ratio 1：10 are placed in shearing homogenizer, under the conditions of temperature is 5 DEG C, low-temperature and high-speed shearing
10min obtains homogeneous mixed liquor, and then homogeneous mixed liquor is placed in autoclave, and with 90mL/min rates to reaction kettle
It is inside filled with nitrogen, in pressure 0.8MPa, temperature is 80 DEG C, after nitrogen charging high pressure heat-preserving reacts 50min, by reaction under high pressure temperature in the kettle
It is cooled to room temperature, opens valve pressure release, discharging obtains mixed serum, then mixed serum is filtered, obtains filter cake, then use deionization
Washing of Filter Cake 8 times is obtained modified filler by water；It counts in parts by weight, by 100 parts of matrix resins, 20 parts of organic siliconresins, 30 parts of increasings
Viscosity resin, 5 parts of antioxidants, 10 parts of crosslinking agents, 8 parts of coupling agents, 8 parts of platinum group catalysts, 10 parts of rosin and 30 parts of modified fillers
Kneading machine is added, is heated to 90 DEG C, mixing speed 200r/min, mixing time 30min while stirring and obtains mixing slurry
Material；Then mixed slurry is put into and carries out extrusion operation in double screw extruder, the product of extrusion is cooled down by room temperature, is granulated
Machine is granulated to get high temperature resistant packaging adhesive film for solar cell.Described matrix resin is EVA resin.The organic siliconresin is poly-
Methylsiloxane resin.The tackifying resin is Petropols and terpene resin in mass ratio 1：1 mixed preparing forms.It is described anti-
Oxygen agent be 6,6- di-t-butyls -2,2 '-it is thio-p-cresol.The crosslinking agent is cumyl peroxide.The coupling agent is
Aluminate coupling agent.
It counts in parts by weight, by 20 parts of silicon nitride crystal whiskers, 40 parts of water are placed in ball milling mixing in ball mill, cross the sieve of 60 mesh,
Obtain No. 1 mixed liquor；It counts in parts by weight, by 5 parts of europium oxides, 10 parts of acrylic acid and 30 parts of water are placed in No. 1 beaker, and by No. 1
Beaker is placed in digital display and tests the speed constant temperature blender with magnetic force, is 95 DEG C in temperature, under the conditions of rotating speed is 800r/min, constant temperature is stirred to react
5h obtains mixed serum, then mixed serum is placed in Rotary Evaporators, is 70 DEG C, pressure 800Pa in temperature, rotating speed is
Under the conditions of 80r/min, 60min postcoolings are evaporated under reduced pressure, then take out gelled block, washed 8 times with methanol, after then washing
Gel piece be placed in pulverizer and crush, cross the sieve of 60 mesh, obtain gel powder；It is 80% by azodiisobutyronitrile and mass fraction
Ethanol solution in mass ratio 1：20 are placed in No. 2 beakers, and under the conditions of rotating speed is 800r/min, stirring and dissolving 50min must dissolve
Liquid；It counts in parts by weight, by 30 parts of gel powders, 20 parts of lysates, 20 parts of pentanes, 20 parts of methyl methacrylates are placed in No. 3
In beaker, under the conditions of rotating speed is 600r/min, it is stirred 60min, obtains No. 2 mixed liquors；No. 2 mixed liquors are mixed with No. 1
Liquid in mass ratio 1：10 are placed in shearing homogenizer, and under the conditions of temperature is 5 DEG C, low-temperature and high-speed shears 10min, obtain homogeneous mixing
Homogeneous mixed liquor is then placed in autoclave by liquid, and nitrogen is filled with into reaction kettle with 90mL/min rates, in pressure
0.8MPa, temperature are 80 DEG C, and after nitrogen charging high pressure heat-preserving reacts 50min, reaction under high pressure temperature in the kettle is cooled to room temperature, opens valve
Door pressure release, discharging obtain mixed serum, then mixed serum is filtered, obtain filter cake, are then obtained Washing of Filter Cake 8 times with deionized water
Modified filler；It counts in parts by weight, by 100 parts of matrix resins, 20 parts of organic siliconresins, 30 parts of tackifying resins, 5 parts anti-oxidant
Kneading machine, side stirring is added in agent, 10 parts of crosslinking agents, 8 parts of coupling agents, 8 parts of platinum group catalysts, 10 parts of rosin and 30 parts of modified fillers
While being heated to 90 DEG C, mixing speed 200r/min, mixing time 30min obtain mixed slurry；Then by mixed slurry
It puts into and carries out extrusion operation in double screw extruder, the product of extrusion is cooled down by room temperature, and comminutor is granulated to get high temperature resistant
Packaging adhesive film for solar cell.Described matrix resin is EVA resin.The organic siliconresin is poly- methylsiloxane resin.Institute
It is Petropols and terpene resin in mass ratio 1 to state tackifying resin：1 mixed preparing forms.The antioxidant is bis- tertiary fourths of 6,6-
Base -2,2 '-is thio-p-cresol.The crosslinking agent is cumyl peroxide.The coupling agent is aluminate coupling agent.
It counts in parts by weight, by 8 parts of nanometer iron powders, 40 parts of water are placed in ball milling mixing in ball mill, cross the sieve of 60 mesh, obtain 1
Number mixed liquor；It counts in parts by weight, by 5 parts of europium oxides, 10 parts of acrylic acid and 30 parts of water are placed in No. 1 beaker, and by No. 1 beaker
It being placed in digital display to test the speed constant temperature blender with magnetic force, is 95 DEG C in temperature, under the conditions of rotating speed is 800r/min, constant temperature is stirred to react 5h,
Mixed serum, then mixed serum is placed in Rotary Evaporators, in temperature be 70 DEG C, pressure 800Pa, rotating speed 80r/
Under the conditions of min, 60min postcoolings are evaporated under reduced pressure, then take out gelled block, washed 8 times with methanol, it then will be solidifying after washing
Blob of viscose is placed in pulverizer and crushes, and crosses the sieve of 60 mesh, obtains gel powder；The ethyl alcohol for being 80% by azodiisobutyronitrile and mass fraction
Solution in mass ratio 1：20 are placed in No. 2 beakers, and under the conditions of rotating speed is 800r/min, stirring and dissolving 50min obtains lysate；
It counts in parts by weight, by 30 parts of gel powders, 20 parts of lysates, 20 parts of pentanes, 20 parts of methyl methacrylates are placed in No. 3 beakers
In, under the conditions of rotating speed is 600r/min, it is stirred 60min, obtains No. 2 mixed liquors；No. 2 mixed liquors and No. 1 mixed liquor are pressed
Mass ratio 1：10 are placed in shearing homogenizer, and under the conditions of temperature is 5 DEG C, low-temperature and high-speed shears 10min, obtains homogeneous mixed liquor,
Then homogeneous mixed liquor is placed in autoclave, and nitrogen is filled with into reaction kettle with 90mL/min rates, in pressure
0.8MPa, temperature are 80 DEG C, and after nitrogen charging high pressure heat-preserving reacts 50min, reaction under high pressure temperature in the kettle is cooled to room temperature, opens valve
Door pressure release, discharging obtain mixed serum, then mixed serum is filtered, obtain filter cake, are then obtained Washing of Filter Cake 8 times with deionized water
Modified filler；It counts in parts by weight, by 100 parts of matrix resins, 20 parts of organic siliconresins, 30 parts of tackifying resins, 5 parts anti-oxidant
Kneading machine, side stirring is added in agent, 10 parts of crosslinking agents, 8 parts of coupling agents, 8 parts of platinum group catalysts, 10 parts of rosin and 30 parts of modified fillers
While being heated to 90 DEG C, mixing speed 200r/min, mixing time 30min obtain mixed slurry；Then by mixed slurry
It puts into and carries out extrusion operation in double screw extruder, the product of extrusion is cooled down by room temperature, and comminutor is granulated to get high temperature resistant
Packaging adhesive film for solar cell.Described matrix resin is EVA resin.The organic siliconresin is poly- methylsiloxane resin.Institute
It is Petropols and terpene resin in mass ratio 1 to state tackifying resin：1 mixed preparing forms.The antioxidant is bis- tertiary fourths of 6,6-
Base -2,2 '-is thio-p-cresol.The crosslinking agent is cumyl peroxide.The coupling agent is aluminate coupling agent.
It counts in parts by weight, by 20 parts of silicon nitride crystal whiskers, 8 parts of nanometer iron powders, 40 parts of water are placed in ball milling mixing in ball mill,
The sieve for crossing 60 mesh obtains No. 1 mixed liquor；It counts in parts by weight, by 100 parts of matrix resins, 20 parts of organic siliconresins, 30 parts of thickening trees
Fat, 5 parts of antioxidants, 10 parts of crosslinking agents, 8 parts of coupling agents, 8 parts of platinum group catalysts, 10 parts of rosin and 30 parts of graphene oxides add
Enter kneading machine, is heated to 90 DEG C, mixing speed 200r/min, mixing time 30min while stirring and obtains mixing slurry
Material；Then mixed slurry is put into and carries out extrusion operation in double screw extruder, the product of extrusion is cooled down by room temperature, is granulated
Machine is granulated to get high temperature resistant packaging adhesive film for solar cell.Described matrix resin is EVA resin.The organic siliconresin is poly-
Methylsiloxane resin.The tackifying resin is Petropols and terpene resin in mass ratio 1：1 mixed preparing forms.It is described anti-
Oxygen agent be 6,6- di-t-butyls -2,2 '-it is thio-p-cresol.The crosslinking agent is cumyl peroxide.The coupling agent is
Aluminate coupling agent.
It counts in parts by weight, by 20 parts of silicon nitride crystal whiskers, 8 parts of nanometer iron powders, 40 parts of water are placed in ball milling mixing in ball mill,
The sieve for crossing 60 mesh obtains No. 1 mixed liquor；It counts in parts by weight, by 5 parts of europium oxides, 10 parts of acrylic acid and 30 parts of water are placed in No. 1 beaker
In, and No. 1 beaker is placed in digital display and is tested the speed constant temperature blender with magnetic force, in temperature be 95 DEG C, it is permanent under the conditions of rotating speed is 800r/min
Temperature is stirred to react 5h, obtains mixed serum, then mixed serum is placed in Rotary Evaporators, is 70 DEG C in temperature, pressure is
800Pa is evaporated under reduced pressure 60min postcoolings, then takes out gelled block, washed 8 times with methanol under the conditions of rotating speed is 80r/min,
Then the gel piece after washing is placed in pulverizer and is crushed, crossed the sieve of 60 mesh, obtain gel powder；By azodiisobutyronitrile and quality
The ethanol solution in mass ratio 1 that score is 80%：20 are placed in No. 2 beakers, under the conditions of rotating speed is 800r/min, stirring and dissolving
50min obtains lysate；It counts in parts by weight, by 30 parts of gel powders, 20 parts of lysates, 20 parts of pentanes, 20 parts of methacrylic acids
Methyl esters is placed in No. 3 beakers, under the conditions of rotating speed is 600r/min, is stirred 60min, is obtained No. 2 mixed liquors；No. 2 are mixed
Liquid and No. 1 mixed liquor in mass ratio 1：10 are placed in shearing homogenizer, under the conditions of temperature is 5 DEG C, low-temperature and high-speed shearing
10min obtains homogeneous mixed liquor, and then homogeneous mixed liquor is placed in autoclave, and with 90mL/min rates to reaction kettle
It is inside filled with nitrogen, in pressure 0.8MPa, temperature is 80 DEG C, after nitrogen charging high pressure heat-preserving reacts 50min, by reaction under high pressure temperature in the kettle
It is cooled to room temperature, opens valve pressure release, discharging obtains mixed serum, then mixed serum is filtered, obtains filter cake, then use deionization
Washing of Filter Cake 8 times is obtained modified filler by water；It counts in parts by weight, by 100 parts of matrix resins, 20 parts of organic siliconresins, 30 parts of increasings
Kneading machine is added in viscosity resin, 5 parts of antioxidants, 10 parts of crosslinking agents, 8 parts of coupling agents, 10 parts of rosin and 30 parts of modified fillers, while stirring
It mixes side and is heated to 90 DEG C, mixing speed 200r/min, mixing time 30min and obtain mixed slurry；Then by mixing slurry
Material, which is put into, carries out extrusion operation in double screw extruder, the product of extrusion is cooled down by room temperature, and comminutor is granulated to get resistance to height
Temperature solar cell package glued membrane.Described matrix resin is EVA resin.The organic siliconresin is poly- methylsiloxane resin.
The tackifying resin is Petropols and terpene resin in mass ratio 1：1 mixed preparing forms.The antioxidant is bis- uncles of 6,6-
Butyl -2,2 '-is thio-p-cresol.The crosslinking agent is cumyl peroxide.The coupling agent is aluminate coupling agent.
Comparative example：The high temperature resistant packaging adhesive film for solar cell of Zhejiang development in science and technology Co., Ltd production.
The high temperature resistant packaging adhesive film for solar cell and comparative example product of example 1 to 5 gained of example are subjected to performance detection,
Specific detection method is as follows：
1. thermal stability：By testing thermal conductivity performance, tested using thermal conductivity factor instrument by ASTMD5470.
Endurance quality：It is tested and is showed by ultraviolet aging resistance, the yellowness index after ultraviolet aging resistance presses GB2409 plastics
Yellow colour index test method is tested, and test condition is：It is 60 DEG C that light source, which uses UVB313 ultraviolet lamps, illumination temperature, and the time is
1000h。
Specific testing result is as shown in table 1：
The 1 specific testing result of high temperature resistant packaging adhesive film for solar cell of table
| Detection project | Example 1 | Example 2 | Example 3 | Example 4 | Comparative example |
| Thermal coefficient/W（m·K）-1 | 4.35 | 3.31 | 2.63 | 2.47 | 2.26 |
| Yellowness index Δ Yi | 0.5 | 1.2 | 1.6 | 1.8 | 2.8 |
By 1 testing result of table it is found that high temperature resistant packaging adhesive film for solar cell prepared by technical solution of the present invention has excellent heat
Stability and endurance quality.
Claims (8)
1. a kind of preparation method of high temperature resistant packaging adhesive film for solar cell, it is characterised in that specific preparation process is as follows：
（1）It counts in parts by weight, by 10~20 parts of silicon nitride crystal whiskers, 5~8 parts of nanometer iron powders, 30~40 parts of water for ball milling mixing, mistake
The sieve of 60 mesh obtains No. 1 mixed liquor；
（2）It counts in parts by weight, by 3~5 parts of europium oxides, 6~10 parts of acrylic acid are stirred to react with 20~30 parts of water termostats, decompression
Distillation, it is cooling, it takes out, washing dry, pulverize, and crosses the sieve of 60 mesh, obtains gel powder；
（3）By azodiisobutyronitrile and ethanol solution in mass ratio 1：10~1：20 stirring and dissolvings, obtain lysate；
（4）It counts in parts by weight, by 20~30 parts of gel powders, 10~20 parts of lysates, 10~20 parts of pentanes, 10~20 parts of first
Base methyl acrylate is stirred, and obtains No. 2 mixed liquors；
（5）By No. 2 mixed liquors and No. 1 mixed liquor in mass ratio 1：5~1：10 low-temperature and high-speeds are sheared, the reaction of nitrogen charging high pressure heat-preserving,
Cooling, pressure release discharge, and filter, and washing obtains modified filler；
（5）It counts in parts by weight, by 80~100 parts of matrix resins, 10~20 parts of organic siliconresins, 20~30 parts of tackifying resins, 3
~5 parts of antioxidants, 8~10 parts of crosslinking agents, 5~8 parts of coupling agents, 5~8 parts of platinum group catalysts, 8~10 parts of rosin and 20~30
Part modified filler is kneaded, and obtains mixed slurry；
（6）Above-mentioned gained mixed slurry is put into and carries out extrusion operation in double screw extruder, the product of extrusion passes through room temperature
Cooling, comminutor is granulated to get high temperature resistant packaging adhesive film for solar cell.
2. a kind of preparation method of high temperature resistant packaging adhesive film for solar cell according to claim 1, it is characterised in that：Step
（5）The nitrogen charging high pressure heat-preserving reaction condition is：The rate that is filled with of nitrogen is 60~90mL/min, 0.5~0.8MPa of pressure, temperature
Degree is 60~80 DEG C, 30~50min of insulation reaction.
3. a kind of preparation method of high temperature resistant packaging adhesive film for solar cell according to claim 1, it is characterised in that：Step
（6）Described matrix resin is any one in EVA resin or TPU resins.
4. a kind of preparation method of high temperature resistant packaging adhesive film for solar cell according to claim 1, it is characterised in that：Step
（4）The organic siliconresin is poly- methylsiloxane resin, arbitrary in poly- ethyl organic siliconresin or poly- aryl organic siliconresin
It is a kind of.
5. a kind of preparation method of high temperature resistant packaging adhesive film for solar cell according to claim 1, it is characterised in that：Step
（6）The tackifying resin is Petropols and terpene resin in mass ratio 1：1 mixed preparing forms.
6. a kind of preparation method of high temperature resistant packaging adhesive film for solar cell according to claim 1, it is characterised in that：Step
（6）The antioxidant is di-t-butyl -2 6,6-, 2 '-thio-p-cresols, thio-2 acid stearate, thio-2 acid
Any one in lauric acid fat.
7. a kind of preparation method of high temperature resistant packaging adhesive film for solar cell according to claim 1, it is characterised in that：Step
（6）The crosslinking agent is cumyl peroxide, t-butylperoxyisopropyl carbonic ester, in peroxidized t-butyl perbenzoate
Any one.
8. a kind of preparation method of high temperature resistant packaging adhesive film for solar cell according to claim 1, it is characterised in that：Step
（6）The coupling agent is aluminate coupling agent, any one in silane coupling agent or titanate coupling agent.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112140252A (en) * | 2020-09-21 | 2020-12-29 | 千年舟新材科技集团有限公司 | Ecological plate and one-step composite forming process thereof |
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