CN107384305A - A kind of high flame resistance solar cell organic silicon potting adhesive and preparation method thereof - Google Patents
A kind of high flame resistance solar cell organic silicon potting adhesive and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J183/00—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers
- C09J183/04—Polysiloxanes
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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- 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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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- 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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- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
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- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/204—Applications use in electrical or conductive gadgets use in solar cells
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- 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
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C08L2312/00—Crosslinking
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Abstract
The present invention relates to a kind of high flame resistance solar cell organic silicon potting adhesive and preparation method thereof, it is characterised in that:According to weight fraction meter, it includes the raw material of following weight fraction:40 parts of methyl phenyl vinyl silicone rubber, 20 parts of room temperature vulcanization phenylene silicone rubber, additional hot vulcanized 20 parts of nitrile silicone rubber, phosphate-based 20 parts of silicone oil, 20 parts of polypropylene glycerol aether base silicone oil, 10 parts of sulfydryl silicone oil, 5 parts of low molecule hydroxy silicon oil, hydrogen content is 5 parts of the containing hydrogen silicone oil of mass content 0.5%, 10 parts of ethylene-vinyl acetate copolymer, 10 parts of the acrylic resin that octamethylcy-clotetrasiloxane is modified, 7 parts of rilanit special, 13 parts of tackifier, 13 parts of reinforcing agent, 0.1 0.4 parts of catalyst, 13 parts of silicon nitrogen crosslinking agent, 0.5 2.5 parts of inhibitor, 12 parts of fire-retardant filler.
Description
Technical field
The invention belongs to packaging adhesive film for solar cell technical field, more particularly to a kind of high flame resistance solar-electricity
Pond organic silicon potting adhesive and preparation method thereof.
Background technology
Solar energy has cleaning, reproducible feature compared to traditional fossil fuel energy, and photovoltaic energy enriches, several
Other all known energy are all directly or indirectly from solar energy.It is world today's energy effectively rationally to utilize solar energy
The important directions of source development, in recent years China's solar energy industry obtained quick development, turn into the maximum sun in the whole world at one stroke
Can battery production business.
To reduce in nature varying environment condition such as ultraviolet radiation, sleet, hail, sand and dust, aqueous vapor, round the clock and season
The destruction to solar cell module such as temperature change, it is necessary to be packaged before solar cell module use, to extend
The service life of battery, slow down the decay of cell power conversion efficiency.In the encapsulation process of solar cell, Embedding Material pair
The performance of whole component plays vital effect, in addition to realizing strong bond to glass cover-plate, battery chip and backboard,
Also require that there is good optical match between closed material and glass, solar cell, have to battery component preferable
Physical shielding effect must have excellent combination property so as to reach the encapsulating material of above-mentioned performance requirement.
What transparent Embedding Material was commonly used is epoxy resin, and because it is present, matter is crisp, impact strength is low, easy generation stress is opened
Split, be easy to aging, easy moisture absorption, resistance to heat differential and light transmittance decline the shortcomings of fast, influence the quality of its product.The main chain of organosilicon is
Si-O-Si, in the shape of a spiral, this special heterochain molecular structure assigns its many excellent properties, its light transmittance to whole strand
Height, heat endurance is good, ultraviolet resistance is strong, internal stress is small, the low danger of hygroscopicity can be substantially better than epoxy resin, according to different structure
The different property of organosilicon be used as transparent Embedding Material, can preparing more, there is specific function, which to meet product again, makes
With desired casting glue, thus organic silicon potting adhesive use it is more and more extensive.
The content of the invention
In order to more effectively extend the service life of solar cell, improve solar cell casting glue fire resistance and
Weatherability, it is an object of the present invention to provide a kind of high flame resistance solar cell organic silicon potting adhesive and preparation method thereof.
The present invention is achieved by the following technical solution:
A kind of high flame resistance solar cell organic silicon potting adhesive, it is characterised in that:According to weight fraction meter, it includes as follows
The raw material of weight fraction:40 parts of methyl phenyl vinyl silicone rubber, 20 parts of room temperature vulcanization phenylene silicone rubber, additional hot vulcanized nitrile
20 parts of silicon rubber, phosphate-based 20 parts of silicone oil, 20 parts of polypropylene glycerol aether base silicone oil, 10 parts of sulfydryl silicone oil, low molecule hydroxyl
5 parts of silicone oil, hydrogen content be mass content 0.5% 5 parts of containing hydrogen silicone oil, 10 parts of ethylene-vinyl acetate copolymer, prestox ring four
10 parts of silicone-modified acrylic resin, 7 parts of rilanit special, tackifier 1-3 parts, reinforcing agent 1-3 parts, catalyst
0.1-0.4 parts, silicon nitrogen crosslinking agent 1-3 parts, inhibitor 0.5-2.5 parts, fire-retardant filler 1-2 parts;
Described additional hot vulcanized nitrile silicone rubber is containing 38 gram molecules(Weight/mass percentage composition)Nitrile alkyl molecule chain addition
Type heat cure nitrile silicone rubber;Vinyl acetate in described ethylene-vinyl acetate copolymer(VA)Content be 35%.
Further, described low molecule hydroxy silicon oil is in octamethylcy-clotetrasiloxane or hexamethyl cyclotrisiloxane
A kind of or both mixture formed according to identical mass ratio.
Further, described tackifier are by hydrogenated rosin-hydroxyethyl methacrylate(HEMA), hydrogenated rosin-methyl-prop
Olefin(e) acid epoxy-ester(HREM)With maleic rosin according to mass ratio be 3:3:1 combines.
Further, described inhibitor is 2 according to mass ratio by maleic acid ester inhibitors and high-vinyl silicone oil:1 group
Conjunction forms, and it by the hexanol ester of maleic acid two and diallyl maleate according to mass ratio is 1 that described maleic acid ester inhibitors, which are,:
1 combines.
Further, it by vinyl substituted silsesquioxane and BTA according to mass ratio is 2 that described fire-retardant filler, which is,:
1 combines.
Further, the reinforcing agent by the nano hydrotalcite and stannic oxide/graphene nano band of supramolecular structure according to mass ratio
For 1:1 composition;It by chloroplatinic acid double-seal head complex compound catalyst and molybdenum carbonyl according to mass ratio is 3 that described catalyst, which is,:1 combination
Form.
A kind of preparation method of solar cell package organic silicon potting adhesive, it is characterised in that comprise the following steps:
Step 1, by 40 parts of methyl phenyl vinyl silicone rubber, 20 parts of room temperature vulcanization phenylene silicone rubber, additional hot vulcanized nitrile silicon
20 parts of rubber, phosphate-based 20 parts of silicone oil, 20 parts of polypropylene glycerol aether base silicone oil, 10 parts of sulfydryl silicone oil, low molecule hydroxyl silicon
5 parts of oil, 10 parts of ethylene-vinyl acetate copolymer, 10 parts of the acrylic resin that octamethylcy-clotetrasiloxane is modified, hydrogenate castor
7 parts of sesame oil, tackifier 1-3 parts, inhibitor 0.5-2.5 parts, the mixing of fire-retardant filler 1-2 parts, then vacuumized, vacuum
For -0.095Mpa, redistillation;
Step 2,5 parts of the containing hydrogen silicone oil that hydrogen content is mass content 0.5%, catalyst are added in the material that step 1 obtains
0.1-0.4 parts, silicon nitrogen crosslinking agent 1-3 parts, reinforcing agent 1-3 parts, are warming up to 80 DEG C, after no longer effervescent, carry out taking out very again
Sky, vacuum is -0.095Mpa, and is distilled;
Step 3, stand at room temperature, complete solidification;
Distillation time in the step 1 and step 2 is according to a kind of 110kg/h of the quality summation of input material of the step
Carry out calculating distillation time.
High transmission rate high flame resistance solar cell organic silicon potting adhesive of the present invention and preparation method thereof has and had as follows
Beneficial effect:
1st, high flame resistance solar cell organic silicon potting adhesive of the present invention has selected composite silicone rubber former as main basis
Material, wherein, methyl phenyl vinyl silicone rubber is the introducing aminomethyl phenyl silica chain in the strand of methyl vinyl silicone rubber
Product obtained by section or diphenyl silica chain link.Phenyl is introduced in the side base of polysiloxanes, due to destroying dimethyl silica
The regularity of alkyl structure, the crystallization temperature of polymer is greatly reduced, expand the cryogenic applications scope of the polymeric material.Cause
This, methyl phenyl vinyl silicone rubber is except with all compression set of methyl vinyl silicone rubber is small, temperature in use
Scope is wide, outside weather-proof, shockproof, moistureproof and good electrical insulation properties, also have remarkable low temperature resistant, resistance to irradiation, it is anti-oxidant,
With the performance such as excellent resistance to ablation is fire-retardant.Room temperature vulcanization phenylene silicone rubber is silicon phenylene oxosilane polymer, its outstanding advantages
It is that there is excellent heat-resisting quantity, anti-flammability and resistance to high-energy ray, caoutchouc elasticity can be still kept in extreme environment.It is molten
Point is very high, short-term heat-resisting up to 600 DEG C, still stablizes within one hour in 500 DEG C of heating, there is good heat endurance to ultraviolet light, and
It is still flexible in high temperature.This kind of characteristic substantially prolongs its service life.Additional hot vulcanized nitrile silicone rubber is a kind of synthesis
The silicon rubber of excellent performance, its solvent resistance, cold resistance and heat-resisting quantity are related to the nitrile alkyl content in elastomer, with polymerization
The increase of nitrile group content in thing, the oil resistant of vulcanizate, fire resistance significantly increase.The present invention preferably contains 38 gram molecules(Quality hundred
Divide content)The benzene resistance of additional hot vulcanized nitrile silicone rubber of nitrile alkyl molecule chain, cold resistance and fire resistance it is best.Three
The compound use of kind silicon rubber basic material has established powerful basis for the high flame resistance of product and outstanding weatherability.
2nd, based on high flame resistance solar cell organic silicon potting adhesive of the present invention selects the collaboration of a variety of silicone oil compound
The pith of material.Wherein, phosphate-based silicone oil has good film forming, the transparency and more preferably anti-flammability, and low gas
Taste, low volatility, low skin irritability, the heat having had and oxidation stability.Polypropylene glycerol aether base silicone oil is due to polyethers
Group has hydrophily, so the hydrophily of polyether silicone oil increases, has hydrophobic grouping and hydrophilic radical simultaneously in molecule, so that
Good water solubility, oil resistivity, translucency and contamination resistance are shown in such silicone oil, and heat endurance is good with certain
Anti-flammability, it is often more important that polypropylene glycerol aether base silicone oil can also effectively change the rheological characteristic of composite silicone rubber.Mercapto
Base silicone oil tool can greatly enhance rotproofness, inoxidizability and the anti-flammability of product surface and have good translucency and caking property
Can, it can also coordinate with tackifier and play more preferable viscosifying action;Sulfydryl silicone oil can play coupling agent and crosslinking agent in itself
Effect, and the containing hydrogen silicone oil in raw material may also function as the effect of crosslinking agent, and use is cooperateed with the silicon nitrogen crosslinking agent of the present invention, both may be used
To save the dosage of raw material and crosslinking agent, more preferable cross-linking effect can be played again.Low molecule hydroxy silicon oil has excellent low
Energy characteristic, there is high reaction activity, non-toxic, colorless is pollution-free, and light transmission is good.Low molecule hydroxy silicon oil and sulfydryl silicon
Oil and the controlling agent of structuring double to improve with inhibitor with the use of effect.Tested via inventive formulation, preferably with containing
Hydrogen silicone oil, particularly when hydrogen content is optimal for the containing hydrogen silicone oil performance of 0.5% (mass content), the containing hydrogen silicone oil is of the invention former
Effective anti-yellowing dose in material, appropriate addition can preferably ensure the high light transmittance energy of casting glue of the present invention for a long time.
3rd, the ethylene-vinyl acetate copolymer that high flame resistance solar cell organic silicon potting adhesive of the present invention is wherein selected
EVA macromolecular main chains are ethylene chain, by having introduced vinyl acetate (VA) group in backbone molecule as side base, make EVA macromoleculars
With low pole.Influenceed by VA groups, EVA there can be the good transparency, pliability, environmental stress crack resistance, resistance to
Low temperature properties and shock resistance.The more high then photopermeability of VA contents is better, and the more low then photopermeability of VA contents is poorer.When VA contains
Amount is best suitable for doing flexible membrane material in the range of 27%-35%.The present invention preferred VA contents after testing repeatedly are
A part of 35% EVA adhesive film as matrix material, it is the basis that the high light transmittance of final products has been established.
4th, the tackifier selection of high transmission rate high flame resistance solar cell organic silicon potting adhesive of the present invention has science
Property, play the role of to the high light transmittance of casting glue product of the present invention important.Rosin is by the isomerism of various kinds of resin acid
The complicated mixture of body and neutral higher boiling terpene compound composition, rosin have anti-corrosion, insulate, the excellent property such as bonding
Matter, but the main component of rosin is rosin acid, it is unsaturated acids, resistance to without modified rosin stability, inoxidizability
Aging, translucency are poor, greatly improve, have by modified rosin preservation antioxidation performance and cohesive
More excellent anti-tarnishing ability, that is, the light transmission of holding final products that can be more longlasting, and antioxygenic property.And this hair
The tackifier of bright selection are by hydrogenated rosin-hydroxyethyl methacrylate(HEMA), hydrogenated rosin-epoxymethacrylate
(HREM)With maleic rosin as tackifier according to mass ratio be 3:3:1 combines, and several costs therein are high saturation
The Abietyl modified product of degree, they have good integration with other resins, and several tackifier collective effects can be effective
Raising bond properties, can cause product that there is higher fusing point, more preferable resistant to elevated temperatures performance is so as to being also efficient resistance
Fire performance and booster action is provided, and improve antioxygenic property simultaneously, heat endurance and the light transmission kept for a long time.Meanwhile
Sulfydryl silicone oil tool can greatly enhance rotproofness, inoxidizability and the anti-flammability of product surface and have good translucency and bonding
Performance, it can also coordinate with the composite tackifier and play more preferable viscosifying action.
5th, high flame resistance solar cell organic silicon potting adhesive of the present invention, wherein inhibitor is by maleic acid ester inhibitors
With high-vinyl silicone oil according to mass ratio be 2:1 combines, two kinds of inhibitor therein alkynol class suppression multi-purpose than now
Preparation effect is more preferable, and the hexanol ester of maleic acid two and diallyl maleate inhibitor can effectively suppress the vapour inside resin system
Change phenomenon, be advantageous to the exclusion of small molecule, obtain more preferable solidification effect.Compound maleic acid ester inhibitors are in identical temperature
Under degree, the time of gelation can be greatly prolonged, viscosity build speed liquid is slower.High-vinyl silicone oil is in silicone resin system
System has more preferable compatibility, and itself inoxidizability and heat-resisting property are stable, and non-volatile, translucency is good.Meanwhile sulfydryl silicon
Oil can also use the composite inhibitor selected with the present invention to play as inhibitor and act synergistically.
6th, high flame resistance solar cell organic silicon potting adhesive of the present invention, rilanit special is added in atmosphere in raw material
Oxidative rancidity hardly occurs, storage stability is good, and rilanit special has the function that to make product more clear transparent, has
Good stain resistance, there is the excellent transparency and light transmittance.The present invention catalyst molybdenum carbonyl and chloroplatinic acid catalyst be
White powder, do not have an impact, be respectively provided with for the compound catalyst of both organosilicon systems non-for the color of integral system
Often high catalytic efficiency, it is not necessary to pre-process, side reaction does not occur.
7th, high flame resistance solar cell organic silicon potting adhesive of the present invention use by vinyl substituted silsesquioxane and
BTA is 2 according to mass ratio:1 composition combined is as fire-retardant filler, high resistant of the selection for the whole decorum
Combustion performance has conclusive effect.Platinum compounds catalyst has good fire-retardant work to organosilicon macromolecule material in itself
With dosage is bigger, and fire resistance is better, but its cost is higher to use in right amount.By platinum compounds catalyst and triazole type chemical combination
Thing is used cooperatively, and can suppress the formation of low molar mass cyclic polysiloxanes, strengthens barrier layer, improves the anti-flammability of organosilicon.
Meanwhile silsesquioxane it is heated when easily produce the inorganic thermal insulation insulating protective layer containing Si-O and Si-C, both prevented combustion
The catabolite of burning escapes, and inhibits the thermal decomposition of high polymer material again, polymer can be reduced because of thermal decomposition and caused by it is flammable
The release of property gas, flame retardant effect is improved with the mechanism of action that condensed phase is fire-retardant.By introducing ethene in silsesquioxane
Base functional group, it is participated in addition reaction process and is embedded among the curing network of whole matrix, make product after solidification
Light transmittance it is unaffected.
8th, the reinforcing agent that high flame resistance solar cell organic silicon potting adhesive of the present invention uses is by supramolecular structure
Nano hydrotalcite and stannic oxide/graphene nano band composition.Stannic oxide/graphene nano band (UONRs) is one kind mainly by carbon atom structure
Into sheet shape structural material, simultaneously because preparing, the method for power one is simple, impermeability is excellent, surface has abundant oxygen-containing function
Group, it is good with polymer compatibility, there is very big development prospect in high reinforcement applications field.The far red light of nano hydrotalcite
Transmitance is low, good heat insulating.Because its particle is thin, nucleus quantity can be increased in resin matrix, improve overall crystalline rate,
There is nucleation, crystal grain is diminished, the transparency and light transmittance of film improve, thus are preferable reinforcing agents.Both combine
Using the impermeable effect that can preferably play reinforcing agent, and it can also greatly improve film using the compound reinforcing agent and produce
The light transmittance of product.Meanwhile nano hydrotalcite, when heated, its constitution water laminated sheet hydroxyl and interlayer ion are with water and CO2Shape
Formula is deviate from, and plays the fire retardation for reducing burning gases concentration;The constitution water of nano hydrotalcite, laminate hydroxyl and interlayer ion
Depart from laminate in different temperature, so as to discharge fire retardant matter in certain temperature range.During fire-retardant, caloric receptivity
Greatly, high temperature caused by advantageously reducing burning, is that one kind is the high smoke inhibition fire retardant of Halogen, is again so the casting glue of the present invention
Provide more excellent fire resistance.
9th, high flame resistance solar cell organic silicon potting adhesive of the present invention uses silicon nitrogen crosslinking agent, and it can be with silica
Hydroxyl on chain takes off NH 3And crosslinking is produced, it is complete in cold curing.The advantages of this crosslinking agent is to use micro organic metal
Salt is catalyzed, and can be excessively used.Excessive silicon nitrogen crosslinking agent can also be remaining in elimination system hydroxyl and water, improve organic silica gel
The heat resistance and fire resistance of stick, reason are that silicon nitrogen chain energy-conservation generates silicon with silicone hydroxyl and water effect at a certain temperature
Amine, silicon amine activity is big, and and can is condensed generation silica chain and ammonia with silicone hydroxyl quickly.Silicon nitrogen crosslinking agent again can be the same as in the present invention
Sulfydryl silicone oil mutually cooperates with, and accelerates cross-linking reaction, increases the degree of cross linking, so that the product of the present invention shows more outstanding machine
The combination properties such as tool intensity, high temperature resistant.
To sum up the beneficial effect of all raw materials can be seen that the present invention in the selection of raw material except greatly improving rubber system
Beyond the overall performance of product, it is for improving translucency and the resistance of high flame resistance solar cell organic silicon potting adhesive of the present invention
Combustion property has lifting, causes the light transmittance of the product of the invention being prepared to be above 94% under the comprehensive function of various auxiliary agents, and have
There is stronger fire resistance, flame retardant rating is UL-94V0 levels, and the weatherability and combination property of casting glue all greatly improve, can
Effectively to extend the service life of solar cell.
Embodiment
The invention discloses a kind of high flame resistance solar cell organic silicon potting adhesive of the present invention and preparation method thereof, under
In conjunction with specific embodiments, the present invention will be further described in face:
Embodiment 1:
High flame resistance solar cell organic silicon potting adhesive, according to weight fraction meter, it includes the raw material of following weight fraction:
40 parts of methyl phenyl vinyl silicone rubber, 20 parts of room temperature vulcanization phenylene silicone rubber, additional hot vulcanized 20 parts of nitrile silicone rubber, phosphoric acid
20 parts of ester group silicone oil, 20 parts of polypropylene glycerol aether base silicone oil, 10 parts of sulfydryl silicone oil, 5 parts of low molecule hydroxy silicon oil, hydrogen content are
5 parts of the containing hydrogen silicone oil of mass content 0.5%, 10 parts of ethylene-vinyl acetate copolymer, the propylene that octamethylcy-clotetrasiloxane is modified
10 parts of acid esters resinoid, 7 parts of rilanit special, 1 part of tackifier, 1 part of reinforcing agent, 0.1 part of catalyst, 1 part of silicon nitrogen crosslinking agent, suppression
0.5 part of preparation, 1 part of fire-retardant filler.
Additional hot vulcanized nitrile silicone rubber is containing 38 gram molecules(Weight/mass percentage composition)Nitrile alkyl molecule chain add-on type
Heat cure nitrile silicone rubber;Vinyl acetate in ethylene-vinyl acetate copolymer(VA)Content be 35%.Low molecule hydroxy silicon oil is
A kind of or both mixing formed according to identical mass ratio in octamethylcy-clotetrasiloxane or hexamethyl cyclotrisiloxane
Thing.Tackifier are by hydrogenated rosin-hydroxyethyl methacrylate(HEMA), hydrogenated rosin-epoxymethacrylate(HREM)With
Maleic rosin is 3 according to mass ratio:3:1 combines.Inhibitor by maleic acid ester inhibitors and high-vinyl silicone oil according to
Mass ratio is 2:1 combines, and maleic acid ester inhibitors are according to matter by the hexanol ester of maleic acid two and diallyl maleate
Amount is than being 1:1 combines.It by vinyl substituted silsesquioxane and BTA according to mass ratio is 2 that fire-retardant filler, which is,:1 group
Conjunction forms.Strong agent is 1 according to mass ratio by the nano hydrotalcite and stannic oxide/graphene nano band of supramolecular structure:1 composition;Catalysis
It by chloroplatinic acid double-seal head complex compound catalyst and molybdenum carbonyl according to mass ratio is 3 that agent, which is,:1 combines.
The preparation method of solar cell package organic silicon potting adhesive of the present invention, comprises the following steps:
Step 1, by 40 parts of methyl phenyl vinyl silicone rubber, 20 parts of room temperature vulcanization phenylene silicone rubber, additional hot vulcanized nitrile silicon
20 parts of rubber, phosphate-based 20 parts of silicone oil, 20 parts of polypropylene glycerol aether base silicone oil, 10 parts of sulfydryl silicone oil, low molecule hydroxyl silicon
5 parts of oil, 10 parts of ethylene-vinyl acetate copolymer, 10 parts of the acrylic resin that octamethylcy-clotetrasiloxane is modified, hydrogenate castor
7 parts of sesame oil, 1 part of tackifier, 0.5 part of inhibitor, the mixing of 1 part of fire-retardant filler, then vacuumized, vacuum for-
0.095Mpa, redistillation;
Step 2,5 parts of the containing hydrogen silicone oil that hydrogen content is mass content 0.5%, catalyst are added in the material that step 1 obtains
0.1 part, 1 part of silicon nitrogen crosslinking agent, 1 part of reinforcing agent, 80 DEG C are warming up to, after no longer effervescent, is vacuumized again, vacuum
For -0.095Mpa, and distilled;
Step 3, stand at room temperature, complete solidification;
Distillation time in step 1 and step 2 is calculated according to a kind of 110kg/h of the quality summation of input material of step
Distillation time.The product light transmittance 94.5% finally given, flame retardant rating are UL-94V0 levels, the weatherability and synthesis of casting glue
Performance all greatly improves, and can effectively extend the service life of solar cell.
Embodiment 2:
High flame resistance solar cell organic silicon potting adhesive, according to weight fraction meter, it includes the raw material of following weight fraction:
40 parts of methyl phenyl vinyl silicone rubber, 20 parts of room temperature vulcanization phenylene silicone rubber, additional hot vulcanized 20 parts of nitrile silicone rubber, phosphoric acid
20 parts of ester group silicone oil, 20 parts of polypropylene glycerol aether base silicone oil, 10 parts of sulfydryl silicone oil, 5 parts of low molecule hydroxy silicon oil, hydrogen content are
5 parts of the containing hydrogen silicone oil of mass content 0.5%, 10 parts of ethylene-vinyl acetate copolymer, the propylene that octamethylcy-clotetrasiloxane is modified
10 parts of acid esters resinoid, 7 parts of rilanit special, 2 parts of tackifier, 2 parts of reinforcing agent, 0.3 part of catalyst, 2 parts of silicon nitrogen crosslinking agent, suppression
1 part of preparation, 2 parts of fire-retardant filler.
Additional hot vulcanized nitrile silicone rubber is containing 38 gram molecules(Weight/mass percentage composition)Nitrile alkyl molecule chain add-on type
Heat cure nitrile silicone rubber;Vinyl acetate in ethylene-vinyl acetate copolymer(VA)Content be 35%.Low molecule hydroxy silicon oil is
A kind of or both mixing formed according to identical mass ratio in octamethylcy-clotetrasiloxane or hexamethyl cyclotrisiloxane
Thing.Tackifier are by hydrogenated rosin-hydroxyethyl methacrylate(HEMA), hydrogenated rosin-epoxymethacrylate(HREM)With
Maleic rosin is 3 according to mass ratio:3:1 combines.Inhibitor by maleic acid ester inhibitors and high-vinyl silicone oil according to
Mass ratio is 2:1 combines, and maleic acid ester inhibitors are according to matter by the hexanol ester of maleic acid two and diallyl maleate
Amount is than being 1:1 combines.It by vinyl substituted silsesquioxane and BTA according to mass ratio is 2 that fire-retardant filler, which is,:1 group
Conjunction forms.Reinforcing agent is 1 according to mass ratio by the nano hydrotalcite and stannic oxide/graphene nano band of supramolecular structure:1 composition;Urge
It by chloroplatinic acid double-seal head complex compound catalyst and molybdenum carbonyl according to mass ratio is 3 that agent, which is,:1 combines.
The preparation method of solar cell package organic silicon potting adhesive of the present invention, comprises the following steps:
Step 1, by 40 parts of methyl phenyl vinyl silicone rubber, 20 parts of room temperature vulcanization phenylene silicone rubber, additional hot vulcanized nitrile silicon
20 parts of rubber, phosphate-based 20 parts of silicone oil, 20 parts of polypropylene glycerol aether base silicone oil, 10 parts of sulfydryl silicone oil, low molecule hydroxyl silicon
5 parts of oil, 10 parts of ethylene-vinyl acetate copolymer, 10 parts of the acrylic resin that octamethylcy-clotetrasiloxane is modified, hydrogenate castor
7 parts of sesame oil, 2 parts of tackifier, 1 part of inhibitor, 2 parts of mixing of fire-retardant filler, then being vacuumized, vacuum is -0.095Mpa,
Redistillation;
Step 2,5 parts of the containing hydrogen silicone oil that hydrogen content is mass content 0.5%, catalyst are added in the material that step 1 obtains
0.3 part, 2 parts of silicon nitrogen crosslinking agent, 2 parts of reinforcing agent, 80 DEG C are warming up to, after no longer effervescent, is vacuumized again, vacuum
For -0.095Mpa, and distilled;
Step 3, stand at room temperature, complete solidification;
Distillation time in step 1 and step 2 is calculated according to a kind of 110kg/h of the quality summation of input material of step
Distillation time.The product light transmittance 96% finally given, flame retardant rating are UL-94V0 levels, the weatherability of casting glue and comprehensive
It can all greatly improve, can effectively extend the service life of solar cell.
Embodiment 3:
High flame resistance solar cell organic silicon potting adhesive, according to weight fraction meter, it includes the raw material of following weight fraction:
40 parts of methyl phenyl vinyl silicone rubber, 20 parts of room temperature vulcanization phenylene silicone rubber, additional hot vulcanized 20 parts of nitrile silicone rubber, phosphoric acid
20 parts of ester group silicone oil, 20 parts of polypropylene glycerol aether base silicone oil, 10 parts of sulfydryl silicone oil, 5 parts of low molecule hydroxy silicon oil, hydrogen content are
5 parts of the containing hydrogen silicone oil of mass content 0.5%, 10 parts of ethylene-vinyl acetate copolymer, the propylene that octamethylcy-clotetrasiloxane is modified
10 parts of acid esters resinoid, 7 parts of rilanit special, 3 parts of tackifier, 3 parts of reinforcing agent, 0.4 part of catalyst, 3 parts of silicon nitrogen crosslinking agent, suppression
2.5 parts of preparation, 2 parts of fire-retardant filler.
Additional hot vulcanized nitrile silicone rubber is containing 38 gram molecules(Weight/mass percentage composition)Nitrile alkyl molecule chain add-on type
Heat cure nitrile silicone rubber;Vinyl acetate in ethylene-vinyl acetate copolymer(VA)Content be 35%.Low molecule hydroxy silicon oil is
A kind of or both mixing formed according to identical mass ratio in octamethylcy-clotetrasiloxane or hexamethyl cyclotrisiloxane
Thing.Tackifier are by hydrogenated rosin-hydroxyethyl methacrylate(HEMA), hydrogenated rosin-epoxymethacrylate(HREM)With
Maleic rosin is 3 according to mass ratio:3:1 combines.Inhibitor by maleic acid ester inhibitors and high-vinyl silicone oil according to
Mass ratio is 2:1 combines, and maleic acid ester inhibitors are according to matter by the hexanol ester of maleic acid two and diallyl maleate
Amount is than being 1:1 combines.It by vinyl substituted silsesquioxane and BTA according to mass ratio is 2 that fire-retardant filler, which is,:1 group
Conjunction forms.Reinforcing agent is 1 according to mass ratio by the nano hydrotalcite and stannic oxide/graphene nano band of supramolecular structure:1 composition;Urge
It by chloroplatinic acid double-seal head complex compound catalyst and molybdenum carbonyl according to mass ratio is 3 that agent, which is,:1 combines.
The preparation method of solar cell package organic silicon potting adhesive of the present invention, comprises the following steps:
Step 1, by 40 parts of methyl phenyl vinyl silicone rubber, 20 parts of room temperature vulcanization phenylene silicone rubber, additional hot vulcanized nitrile silicon
20 parts of rubber, phosphate-based 20 parts of silicone oil, 20 parts of polypropylene glycerol aether base silicone oil, 10 parts of sulfydryl silicone oil, low molecule hydroxyl silicon
5 parts of oil, 10 parts of ethylene-vinyl acetate copolymer, 10 parts of the acrylic resin that octamethylcy-clotetrasiloxane is modified, hydrogenate castor
7 parts of sesame oil, 3 parts of tackifier, 2.5 parts of inhibitor, the mixing of 2 parts of fire-retardant filler, then vacuumized, vacuum for-
0.095Mpa, redistillation;
Step 2,5 parts of the containing hydrogen silicone oil that hydrogen content is mass content 0.5%, catalyst are added in the material that step 1 obtains
0.4 part, 3 parts of silicon nitrogen crosslinking agent, 3 parts of reinforcing agent, 80 DEG C are warming up to, after no longer effervescent, is vacuumized again, vacuum
For -0.095Mpa, and distilled;
Step 3, stand at room temperature, complete solidification;
Distillation time in step 1 and step 2 is calculated according to a kind of 110kg/h of the quality summation of input material of step
Distillation time.The product light transmittance 95% finally given, flame retardant rating are UL-94V0 levels, the weatherability of casting glue and comprehensive
It can all greatly improve, can effectively extend the service life of solar cell.
High flame resistance solar cell organic silicon potting adhesive of the present invention has selected composite silicone rubber as main basis
Raw material, wherein, methyl phenyl vinyl silicone rubber is the introducing aminomethyl phenyl silica in the strand of methyl vinyl silicone rubber
Product obtained by chain link or diphenyl silica chain link.Phenyl is introduced in the side base of polysiloxanes, due to destroying dimethyl-silicon
The regularity of oxygen alkyl structure, the crystallization temperature of polymer is greatly reduced, expand the cryogenic applications scope of the polymeric material.
Therefore, methyl phenyl vinyl silicone rubber except with all compression set of methyl vinyl silicone rubber it is small, use temperature
Spend that scope is wide, outside weather-proof, shockproof, moistureproof and good electrical insulation properties, also there is remarkable low temperature resistant, resistance to irradiation, antioxygen
The performances such as change and excellent resistance to ablation are fire-retardant.Room temperature vulcanization phenylene silicone rubber is silicon phenylene oxosilane polymer, and its protrusion is excellent
Point is that have excellent heat-resisting quantity, anti-flammability and resistance to high-energy ray, caoutchouc elasticity can be still kept in extreme environment.Its
Fusing point is very high, short-term heat-resisting up to 600 DEG C, still stablizes within one hour in 500 DEG C of heating, there is good heat endurance to ultraviolet light,
It is and still flexible in high temperature.This kind of characteristic substantially prolongs its service life.Additional hot vulcanized nitrile silicone rubber is a kind of comprehensive
The silicon rubber of excellent performance is closed, its solvent resistance, cold resistance and heat-resisting quantity are related to the nitrile alkyl content in elastomer, with poly-
The increase of nitrile group content in compound, the oil resistant of vulcanizate, fire resistance significantly increase.The present invention preferably contains 38 gram molecules(Quality
Percentage composition)The benzene resistance of additional hot vulcanized nitrile silicone rubber of nitrile alkyl molecule chain, cold resistance and fire resistance it is best.
The compound use of three kinds of silicon rubber basic materials has established powerful base for the high flame resistance of product and outstanding weatherability
Plinth.
Material based on high flame resistance solar cell organic silicon potting adhesive of the present invention selects the collaboration of a variety of silicone oil compound
The pith of material.Wherein, phosphate-based silicone oil has good film forming, the transparency and more preferably anti-flammability, and low smell,
Low volatility, low skin irritability, the heat having had and oxidation stability.Polypropylene glycerol aether base silicone oil is due to polyether group
With hydrophily, so the hydrophily of polyether silicone oil increases, there is hydrophobic grouping and hydrophilic radical simultaneously in molecule, so that this
Eka-silicon oil meter reveals good water solubility, oil resistivity, translucency and contamination resistance, and heat endurance has well certain resistance
Combustion property, it is often more important that polypropylene glycerol aether base silicone oil can also effectively change the rheological characteristic of composite silicone rubber.Sulfydryl silicon
Oil tool can greatly enhance rotproofness, inoxidizability and the anti-flammability of product surface and have good translucency and adhesive property,
It can also coordinate with tackifier and play more preferable viscosifying action;Sulfydryl silicone oil can play the work of coupling agent and crosslinking agent in itself
With and the containing hydrogen silicone oil in raw material may also function as the effect of crosslinking agent, and use is cooperateed with the silicon nitrogen crosslinking agent of the present invention, both can be with
The dosage of raw material and crosslinking agent is saved, more preferable cross-linking effect can be played again.Low molecule hydroxy silicon oil has excellent low table
Face energy characteristic, has high reaction activity, non-toxic, colorless is pollution-free, and light transmission is good.Low molecule hydroxy silicon oil and sulfydryl silicone oil
And the controlling agent of structuring doubles to improve with inhibitor with the use of effect.Tested via inventive formulation, preferably with hydrogeneous
Silicone oil, particularly when hydrogen content is optimal for the containing hydrogen silicone oil performance of 0.5% (mass content), the containing hydrogen silicone oil is raw material of the present invention
In effective anti-yellowing dose, appropriate addition can preferably ensure the high light transmittance energy of casting glue of the present invention for a long time.
The EVA macromolecular main chains that high flame resistance solar cell organic silicon potting adhesive of the present invention is wherein selected are ethene
Chain, by having introduced vinyl acetate (VA) group in backbone molecule as side base, make EVA macromoleculars that there is low pole.By VA groups
Influence, EVA can have the good transparency, pliability, environmental stress crack resistance, lower temperature resistance and impact resistance
Energy.The more high then photopermeability of VA contents is better, and the more low then photopermeability of VA contents is poorer.When VA contents are in the range of 27%-35%
It is best suitable for doing flexible membrane material.The EVA adhesive film that the present invention preferred VA contents after testing repeatedly are 35% is as base
A part for body material, it is the basis that the high light transmittance of final products has been established.
The tackifier selection of high flame resistance solar cell organic silicon potting adhesive of the present invention is with science, to this hair
The high light transmittance of bright casting glue product plays the role of important.Rosin is the isomer and neutral height boiling by various kinds of resin acid
The complicated mixture of point terpene compound composition, rosin have anti-corrosion, insulated, the excellent property such as bonding, but rosin
Main component be rosin acid, it is unsaturated acids, without modified rosin stability, inoxidizability, resistance to ag(e)ing, printing opacity
Property be poor, greatly improve, have more excellent anti-by modified rosin preservation antioxidation performance and cohesive
Metachrosis, that is, the light transmission of holding final products that can be more longlasting, and antioxygenic property.And the increasing that the present invention selects
Stick is by hydrogenated rosin-hydroxyethyl methacrylate(HEMA), hydrogenated rosin-epoxymethacrylate(HREM)With Malaysia pine
Perfume is 3 according to mass ratio as tackifier:3:1 combines, and several costs therein are the Abietyl modified production of high saturation
Product, they have good integration with other resins, and several tackifier collective effects can effectively improve bond properties,
It can cause product that there is higher fusing point, more preferable resistant to elevated temperatures performance is made so as to also provide auxiliary for efficient fire resistance
With, and antioxygenic property is improved simultaneously, heat endurance and the light transmission kept for a long time.Meanwhile sulfydryl silicone oil tool can be significantly
Strengthen rotproofness, inoxidizability and the anti-flammability of product surface and have good translucency and adhesive property, can also be with this
Composite tackifier, which coordinates, plays more preferable viscosifying action.
High flame resistance solar cell organic silicon potting adhesive of the present invention, wherein inhibitor by maleic acid ester inhibitors and
High-vinyl silicone oil is 2 according to mass ratio:1 combines, and two kinds of inhibitor therein alkynol class multi-purpose than now suppresses
Agent effect is more preferable, and the hexanol ester of maleic acid two and diallyl maleate inhibitor can effectively suppress the vaporization inside resin system
Phenomenon, be advantageous to the exclusion of small molecule, obtain more preferable solidification effect.Compound maleic acid ester inhibitors are in identical temperature
Under, time of gelation can be greatly prolonged, viscosity build speed liquid is slower.High-vinyl silicone oil is united in silicone resin system
With more preferable compatibility, itself inoxidizability and heat-resisting property are stable, and non-volatile, translucency is good.Meanwhile sulfydryl silicone oil
The composite inhibitor selected with the present invention can also be used to play as inhibitor to act synergistically.
High flame resistance solar cell organic silicon potting adhesive of the present invention, it is several in atmosphere that rilanit special is added in raw material
Oxidative rancidity does not occur, storage stability is good, and rilanit special has the function that to make product more clear transparent, has good
Good stain resistance, there is the excellent transparency and light transmittance.The catalyst molybdenum carbonyl and chloroplatinic acid catalyst of the present invention is white
Color powder, do not have an impact for the color of integral system, be respectively provided with very for the compound catalyst of both organosilicon systems
High catalytic efficiency, it is not necessary to pre-process, side reaction does not occur.
High flame resistance solar cell organic silicon potting adhesive of the present invention is used by vinyl substituted silsesquioxane and benzene
And triazole is 2 according to mass ratio:1 composition combined is as fire-retardant filler, high fire-retardance of the selection for the whole decorum
Performance has conclusive effect.Platinum compounds catalyst has good fire retardation to organosilicon macromolecule material in itself,
Dosage is bigger, and fire resistance is better, but its cost is higher to use in right amount.Platinum compounds catalyst is matched somebody with somebody with triazole class compounds
Close and use, the formation of low molar mass cyclic polysiloxanes can be suppressed, strengthen barrier layer, improve the anti-flammability of organosilicon.Meanwhile
The inorganic thermal insulation insulating protective layer containing Si-O and Si-C is easily produced when silsesquioxane is heated, both prevents burning
Catabolite escapes, and inhibits the thermal decomposition of high polymer material again, polymer can be reduced because of thermal decomposition and caused by flammable gas
The release of body, flame retardant effect is improved with the mechanism of action that condensed phase is fire-retardant.By introducing vinyl official in silsesquioxane
Can group, it is participated in addition reaction process and is embedded among the curing network of whole matrix, make the saturating of product after solidification
Light rate is unaffected.
The reinforcing agent that high flame resistance solar cell organic silicon potting adhesive of the present invention uses is receiving by supramolecular structure
Rice hydrotalcite and stannic oxide/graphene nano band composition.Stannic oxide/graphene nano band (UONRs) is that one kind is mainly made up of carbon atom
Sheet shape structural material, simultaneously because preparing, the method for power one is simple, impermeability is excellent, surface has abundant oxygen-containing function
Group, it is good with polymer compatibility, there is very big development prospect in high reinforcement applications field.The far red light of nano hydrotalcite
Transmitance is low, good heat insulating.Because its particle is thin, nucleus quantity can be increased in resin matrix, improve overall crystalline rate,
There is nucleation, crystal grain is diminished, the transparency and light transmittance of film improve, thus are preferable reinforcing agents.Both combine
Using the impermeable effect that can preferably play reinforcing agent, and it can also greatly improve film using the compound reinforcing agent and produce
The light transmittance of product.Meanwhile nano hydrotalcite, when heated, its constitution water laminated sheet hydroxyl and interlayer ion are with the shape of water and CO2
Formula is deviate from, and plays the fire retardation for reducing burning gases concentration;The constitution water of nano hydrotalcite, laminate hydroxyl and interlayer ion
Depart from laminate in different temperature, so as to discharge fire retardant matter in certain temperature range.During fire-retardant, caloric receptivity
Greatly, high temperature caused by advantageously reducing burning, is that one kind is the high smoke inhibition fire retardant of Halogen, is again so the casting glue of the present invention
Provide more excellent fire resistance.
High flame resistance solar cell organic silicon potting adhesive of the present invention uses silicon nitrogen crosslinking agent, and it can be with silica chain
On hydroxyl take off NH 3 and produce crosslinking, it is complete in cold curing.The advantages of this crosslinking agent is to use micro organic metal salt
Catalysis, can be excessively used.Excessive silicon nitrogen crosslinking agent can also be remaining in elimination system hydroxyl and water, improve organic silicone adhesive
The heat resistance and fire resistance of agent, reason are that silicon nitrogen chain energy-conservation generates silicon amine with silicone hydroxyl and water effect at a certain temperature,
Silicon amine activity is big, and and can is condensed generation silica chain and ammonia with silicone hydroxyl quickly.Silicon nitrogen crosslinking agent again can be the same as sulfydryl in the present invention
Silicone oil mutually cooperates with, and accelerates cross-linking reaction, increases the degree of cross linking, so that the product of the present invention shows more outstanding machinery by force
The combination properties such as degree, high temperature resistant.
To sum up the beneficial effect of all raw materials can be seen that the present invention in the selection of raw material except greatly improving rubber system
Beyond the overall performance of product, the anti-flammability for being for improving high flame resistance solar cell organic silicon potting adhesive of the present invention carries
Rise, cause the light transmittance of the product of the invention being prepared to be above 94% under the comprehensive function of various auxiliary agents, and with stronger
Fire resistance, flame retardant rating are UL-94V0 levels, and the weatherability and combination property of casting glue all greatly improve, can be effective
Extend the service life of solar cell.
Exemplary description is carried out to the present invention above in conjunction with specific embodiment, it is clear that realization of the invention is not by upper
The limitation of mode is stated, if the various improvement of inventive concept and technical scheme of the present invention progress are employed, or not improved general
The design and technical scheme of the present invention directly applies to other occasions, within the scope of the present invention.
Claims (7)
- A kind of 1. high flame resistance solar cell organic silicon potting adhesive, it is characterised in that:According to weight fraction meter, it is included such as The raw material of lower weight fraction:40 parts of methyl phenyl vinyl silicone rubber, 20 parts of room temperature vulcanization phenylene silicone rubber are additional hot vulcanized 20 parts of nitrile silicone rubber, phosphate-based 20 parts of silicone oil, 20 parts of polypropylene glycerol aether base silicone oil, 10 parts of sulfydryl silicone oil, low molecule hydroxyl 5 parts of base silicone oil, hydrogen content be mass content 0.5% 5 parts of containing hydrogen silicone oil, 10 parts of ethylene-vinyl acetate copolymer, prestox ring 10 parts of the acrylic resin that tetrasiloxane is modified, 7 parts of rilanit special, tackifier 1-3 parts, reinforcing agent 1-3 parts, catalyst 0.1-0.4 parts, silicon nitrogen crosslinking agent 1-3 parts, inhibitor 0.5-2.5 parts, fire-retardant filler 1-2 parts;Described additional hot vulcanized nitrile silicone rubber is containing 38 gram molecules(Weight/mass percentage composition)Nitrile alkyl molecule chain addition Type heat cure nitrile silicone rubber;Vinyl acetate in described ethylene-vinyl acetate copolymer(VA)Content be 35%.
- 2. high flame resistance solar cell organic silicon potting adhesive according to claim 1, it is characterised in that:Described is low Molecules hydroxyl groups silicone oil is one kind in octamethylcy-clotetrasiloxane or hexamethyl cyclotrisiloxane or both according to phase homogeneity Measure the mixture than composition.
- 3. high flame resistance solar cell organic silicon potting adhesive according to claim 1 or 2, it is characterised in that:It is described Tackifier by hydrogenated rosin-hydroxyethyl methacrylate(HEMA), hydrogenated rosin-epoxymethacrylate(HREM)And horse It is 3 to carry out rosin according to mass ratio:3:1 combines.
- 4. high flame resistance solar cell organic silicon potting adhesive according to claim 3, it is characterised in that:Described suppression Preparation is 2 according to mass ratio by maleic acid ester inhibitors and high-vinyl silicone oil:1 combines, described maleic acid esters It by the hexanol ester of maleic acid two and diallyl maleate according to mass ratio is 1 that inhibitor, which is,:1 combines.
- 5. the high flame resistance solar cell organic silicon potting adhesive according to claim 1 or 4, it is characterised in that:It is described Fire-retardant filler be by vinyl substituted silsesquioxane and BTA according to mass ratio be 2:1 combines.
- 6. high flame resistance solar cell organic silicon potting adhesive according to claim 5, it is characterised in that:The reinforcement Agent is 1 according to mass ratio by the nano hydrotalcite and stannic oxide/graphene nano band of supramolecular structure:1 composition;Described catalyst It by chloroplatinic acid double-seal head complex compound catalyst and molybdenum carbonyl according to mass ratio is 3 to be:1 combines.
- 7. a kind of preparation method of the high flame resistance solar cell package organic silicon potting adhesive described in claim 1-6, its It is characterised by comprising the following steps:Step 1, by 40 parts of methyl phenyl vinyl silicone rubber, 20 parts of room temperature vulcanization phenylene silicone rubber, additional hot vulcanized nitrile silicon 20 parts of rubber, phosphate-based 20 parts of silicone oil, 20 parts of polypropylene glycerol aether base silicone oil, 10 parts of sulfydryl silicone oil, low molecule hydroxyl silicon 5 parts of oil, 10 parts of ethylene-vinyl acetate copolymer, 10 parts of the acrylic resin that octamethylcy-clotetrasiloxane is modified, hydrogenate castor 7 parts of sesame oil, tackifier 1-3 parts, inhibitor 0.5-2.5 parts, the mixing of fire-retardant filler 1-2 parts, then vacuumized, vacuum For -0.095Mpa, redistillation;Step 2,5 parts of the containing hydrogen silicone oil that hydrogen content is mass content 0.5%, catalyst are added in the material that step 1 obtains 0.1-0.4 parts, silicon nitrogen crosslinking agent 1-3 parts, reinforcing agent 1-3 parts, are warming up to 80 DEG C, after no longer effervescent, carry out taking out very again Sky, vacuum is -0.095Mpa, and is distilled;Step 3, stand at room temperature, complete solidification;Distillation time in the step 1 and step 2 is according to a kind of 110kg/h of the quality summation of input material of the step Carry out calculating distillation time.
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CN109370234A (en) * | 2018-10-26 | 2019-02-22 | 常州大学怀德学院 | A kind of bubble-tight transparent silica gel of baking-curing and preparation method thereof |
CN109628058A (en) * | 2018-10-31 | 2019-04-16 | 北京天山新材料技术有限公司 | A kind of organic silicon adhesive |
JP2020063395A (en) * | 2018-10-18 | 2020-04-23 | 東亞合成株式会社 | Adhesive composition and its use |
CN112226198A (en) * | 2020-10-14 | 2021-01-15 | 东莞市山力高分子材料科研有限公司 | Graphene fireproof flame-retardant sealant |
WO2022052035A1 (en) * | 2020-09-09 | 2022-03-17 | 苏州桐力光电股份有限公司 | Hot-melt optical clear adhesive (oca) film and preparation method |
CN114276502A (en) * | 2021-11-10 | 2022-04-05 | 佛山金戈新材料股份有限公司 | Preparation and application of anti-settling agent for heat-conducting organic silicon pouring sealant |
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CN104140681A (en) * | 2014-07-25 | 2014-11-12 | 东莞市贝特利新材料有限公司 | Organosilicone composition for electronic device sealing |
CN105622943A (en) * | 2016-03-24 | 2016-06-01 | 山东大学 | Synthesis method of high molecular weight polysiloxane containing nitrile group and vinyl at the same time and preparation method of addition type heat vulcanized nitrile silicone rubber |
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CN104140681A (en) * | 2014-07-25 | 2014-11-12 | 东莞市贝特利新材料有限公司 | Organosilicone composition for electronic device sealing |
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JP2020063395A (en) * | 2018-10-18 | 2020-04-23 | 東亞合成株式会社 | Adhesive composition and its use |
JP7210998B2 (en) | 2018-10-18 | 2023-01-24 | 東亞合成株式会社 | Adhesive composition and its use |
CN109370234A (en) * | 2018-10-26 | 2019-02-22 | 常州大学怀德学院 | A kind of bubble-tight transparent silica gel of baking-curing and preparation method thereof |
CN109628058A (en) * | 2018-10-31 | 2019-04-16 | 北京天山新材料技术有限公司 | A kind of organic silicon adhesive |
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CN112226198A (en) * | 2020-10-14 | 2021-01-15 | 东莞市山力高分子材料科研有限公司 | Graphene fireproof flame-retardant sealant |
CN114276502A (en) * | 2021-11-10 | 2022-04-05 | 佛山金戈新材料股份有限公司 | Preparation and application of anti-settling agent for heat-conducting organic silicon pouring sealant |
CN114276502B (en) * | 2021-11-10 | 2023-09-26 | 广东金戈新材料股份有限公司 | Preparation and application of anti-settling agent for heat-conducting organic silicon pouring sealant |
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