CN102382615A - Organosilicon sealant for solar photovoltaic modules and preparation method for organosilicon sealant - Google Patents
Organosilicon sealant for solar photovoltaic modules and preparation method for organosilicon sealant Download PDFInfo
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- CN102382615A CN102382615A CN2010102714830A CN201010271483A CN102382615A CN 102382615 A CN102382615 A CN 102382615A CN 2010102714830 A CN2010102714830 A CN 2010102714830A CN 201010271483 A CN201010271483 A CN 201010271483A CN 102382615 A CN102382615 A CN 102382615A
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- solar photovoltaic
- organosilicon sealant
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- photovoltaic assembly
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- 239000000565 sealant Substances 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 21
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 15
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 11
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims abstract description 10
- 239000004205 dimethyl polysiloxane Substances 0.000 claims abstract description 8
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 7
- 239000002994 raw material Substances 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 14
- FFUAGWLWBBFQJT-UHFFFAOYSA-N hexamethyldisilazane Chemical compound C[Si](C)(C)N[Si](C)(C)C FFUAGWLWBBFQJT-UHFFFAOYSA-N 0.000 claims description 12
- 239000000377 silicon dioxide Substances 0.000 claims description 10
- 235000013870 dimethyl polysiloxane Nutrition 0.000 claims description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000004593 Epoxy Substances 0.000 claims description 6
- 239000004902 Softening Agent Substances 0.000 claims description 6
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 6
- 229920002545 silicone oil Polymers 0.000 claims description 6
- WRQNANDWMGAFTP-UHFFFAOYSA-N Methylacetoacetic acid Chemical compound COC(=O)CC(C)=O WRQNANDWMGAFTP-UHFFFAOYSA-N 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 5
- 230000018044 dehydration Effects 0.000 claims description 5
- 238000006297 dehydration reaction Methods 0.000 claims description 5
- 239000006185 dispersion Substances 0.000 claims description 5
- 230000001404 mediated effect Effects 0.000 claims description 5
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 5
- BFXIKLCIZHOAAZ-UHFFFAOYSA-N methyltrimethoxysilane Chemical compound CO[Si](C)(OC)OC BFXIKLCIZHOAAZ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 claims description 5
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 claims description 4
- 150000002632 lipids Chemical class 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052782 aluminium Inorganic materials 0.000 abstract description 5
- 238000004383 yellowing Methods 0.000 abstract description 5
- 229910052710 silicon Inorganic materials 0.000 abstract description 3
- 239000010703 silicon Substances 0.000 abstract description 3
- -1 polydimethylsiloxane Polymers 0.000 abstract description 2
- 239000006229 carbon black Substances 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 239000003431 cross linking reagent Substances 0.000 abstract 1
- 239000003921 oil Substances 0.000 abstract 1
- 239000004014 plasticizer Substances 0.000 abstract 1
- 239000004411 aluminium Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 229920004933 Terylene® Polymers 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 229920002620 polyvinyl fluoride Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000004224 protection Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000013464 silicone adhesive Substances 0.000 description 1
- 239000004590 silicone sealant Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Sealing Material Composition (AREA)
Abstract
The invention discloses an organosilicon sealant for solar photovoltaic modules. Raw materials of the organosilicon sealant comprise, by weight, 100 parts of alpha-omege3-dihydroxyl polydimethylsiloxane, 60-80 parts of activated nano calcium carbonate, 5-10 parts of gas-phase white carbon black, 10-20 parts of cross linking agent, 1-4 parts of silane coupling agent, 1-6 parts of catalyst and 1-10 parts of silicon oil plasticizer. The invention further discloses a preparation method for organosilicon sealant. The organosilicon sealant is excellent in weather resistance, high and low temperature resistance and yellowing resistance, excellent and wide in bonding performance and suitable for hermetical bonding of aluminum frames and power converter boxes of solar photovoltaic modules.
Description
Technical field
The present invention relates to the high molecule sealing materials technical field, relate in particular to a kind of solar photovoltaic assembly with organosilicon sealant and preparation method thereof.
Background technology
Along with being becoming tight of global energy situation, solar energy power generating is as a kind of continuable energy substitution mode, in being developed rapidly in recent years, thereby obtains large-area promotion and application.Significant components one solar-energy photo-voltaic cell of solar energy power generating is made up of monolithic solar cell, EVA glued membrane, the low iron toughened glass of high conversion efficiency and Tedlar (TPT) notacoria that is composited by Fluroplast-4, terylene.These elements heated lamination under vacuum becomes as a whole, after anticorrosion aluminum alloy frame and power supply boxcar (being terminal box) are installed, becomes the assembly finished product.
In order to prevent that airborne water and oxygen from getting in the solar module; Cause turnover ratio to reduce to prevent that silicon cell in the assembly is oxidized; Must be at aluminum frame around the solar panel; Be the gap of cell panel sunny slope sheet glass reverse side TPT plate and aluminium frame, adopt being bonded and sealed property and the good sealer of weather-resistant performance to seal; Also must adopt the sealer fixing seal that bonds around the power supply boxcar housing,, increase the service life with the protection circuit plate.
Compare with the sealer of other type; Although the ordinary silicon ketone seal gum has remarkable ultraviolet resistance, anti-atmospheric aging and endurance quality; But because solar photovoltaic battery component is mainly used in outdoor rugged environment relatively, its environment for use is special, and industry is to the request for utilization of assembly in addition; Therefore; The silicone sealant that is used for solar photovoltaic battery component, its performance requriements and common silicone adhesive are different, need have better UV resistant irradiation performance, more excellent high and low temperature resistance.Otherwise, be easy to generate xanthochromia, not only influence outward appearance, and cause the photovoltaic module degradation.In addition, the need adhesives kind that solar photovoltaic assembly relates in assembling process is more, so sealer need have cementability widely, and the quality of cementability directly has influence on the stopping property of photovoltaic module.Therefore, developing the organosilicon sealant that a kind of weather, anti-xanthochromia, cementability be widely used in solar photovoltaic assembly is present urgent problem.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art; A kind of mono-component organic silicone sealer that is used for solar photovoltaic assembly is provided, make its have good physical and mechanical property, excellent weather and yellowing resistance can, cohesiveness and good preservation stability widely.Another object of the present invention is to provide the preparation method of above-mentioned organosilicon sealant.
The object of the invention is achieved through following technical scheme:
A kind of solar photovoltaic assembly provided by the invention is used organosilicon sealant, and its raw material consists of by weight:
α, 100 parts of alpha, omega-dihydroxy polydimethyl siloxanes
60～80 parts of active nano-calcium carbonates
5～10 parts of gas-phase silicas
10～20 parts of linking agents
1～4 part of silane coupling agent
1～6 part of catalyzer
1～10 part in silicone oil softening agent
Wherein, Said α; Viscosity was 20Pa.S～60Pa.S when the structural formula of alpha, omega-dihydroxy polydimethyl siloxane was
n=100～2000,25 ℃.
Active nano-calcium carbonate according to the invention is through lipid acid or the acid-treated nano-calcium carbonate of resin.Said gas-phase silica is the thermal silica of handling through hexamethyldisilazane, and specific surface area is 100-200m
2/ g.
Linking agent according to the invention is a kind of of methyltrimethoxy silane or vinyltrimethoxy silane or combination.Said silane coupling agent is the one or more combination in γ-(2,3-epoxy third oxygen) propyl trimethoxy silicane, γ-An Bingjisanjiayangjiguiwan and the γ-An Bingjisanyiyangjiguiwan.
Catalyzer according to the invention is the inner complex of the methyl aceto acetate of isopropyl titanate.Said silicone oil softening agent is that molecular end is the YSR 3286 of methyl, and viscosity is 0.35Pa.S～0.5Pa.S in the time of 25 ℃.
Another object of the present invention is achieved through following technical scheme:
Above-mentioned solar photovoltaic assembly provided by the invention may further comprise the steps with the preparation method of organosilicon sealant:
(1) with α, alpha, omega-dihydroxy polydimethyl siloxane, active nano-calcium carbonate add in the vacuum kneader, are 0.085～0.099MPa in 100～150 ℃ of temperature, vacuum tightness, and the dehydration blend was mediated 100～200 minutes, cool off base-material;
(2) at room temperature; Again with gas-phase silica, linking agent, silane coupling agent, catalyzer, silicone oil softening agent; Add and be equipped with in the high speed dispersion stirrer or planetary mixer of above-mentioned base-material; In vacuum tightness 0.085～0.099MPa, stirring made solar photovoltaic assembly in 100～150 minutes and uses organosilicon sealant under rotating speed 200～600rpm.
The present invention has following beneficial effect:
1, the use of organosilicon sealant component of the present invention and consumption thereof has cementability widely, has not only satisfied the demand of the multiple class of solar photovoltaic assembly assembled material, and helps improving the stopping property of photovoltaic module.
2, compare with other curing systems; The present invention adopts methyltrimethoxy silane and/or vinyltrimethoxy silane linking agent; The neutral curing system organosilicon sealant of prepared dealcoholizing-type has better weather, ageing-resistant, yellowing resistance ability in outdoor application, and to not had corrosion by bonding base material, easy to use; Environmental friendliness can be mixed with shades of colour according to requirement of client.
3, in the neutral curing system of dealcoholizing-type, adopt γ-(2,3-epoxy third oxygen) propyl trimethoxy silicane, γ-An Bingjisanjiayangjiguiwan, γ-An Bingjisanyiyangjiguiwan coupling agent, product has more excellent cohesiveness, and water resistance is more permanent.
4, surface treated nm-class active calcium carbonate and consumption thereof have effectively improved the stretching bonding strength, and have better tensile property.
5, the thermal silica that adopts hexamethyldisilazane to handle has obviously improved reinforcing effect, and high and low temperature resistance is more superior.
6, has vulcanization rate faster.
Embodiment
Embodiment one:
Viscosity is the α of 20Pa.S during (1) with 25 ℃, alpha, omega-dihydroxy polydimethyl siloxane 100 weight parts, stearic acid-treated active nano-calcium carbonate 80 weight parts; Add in the vacuum kneader; In 130 ℃ of temperature, vacuum tightness is 0.095MPa, and the dehydration blend was mediated 120 minutes, cool off base-material;
(2) at room temperature, the specific surface area of again hexamethyldisilazane being handled is 150m
2Gas-phase silica 5 weight parts of/g; Methyltrimethoxy silane 10 weight parts; γ-(2; 3-epoxy third oxygen) propyl trimethoxy silicane 4 weight parts, inner complex 6 weight parts of the methyl aceto acetate of isopropyl titanate, viscosity is that the molecular end of 0.35Pa.S is YSR 3286 2 weight parts of methyl in the time of 25 ℃; Add and be equipped with in the high speed dispersion stirrer or planetary mixer of above-mentioned base-material, made solar photovoltaic assembly in 120 minutes and use organosilicon sealant in vacuum tightness 0.095Mpa, rotating speed 400rpm stirring.
Embodiment two:
Viscosity is the α of 30Pa.S during (1) with 25 ℃, alpha, omega-dihydroxy polydimethyl siloxane 100 weight parts, stearic acid-treated active nano-calcium carbonate 60 weight parts; Add in the vacuum kneader; In 150 ℃ of temperature, vacuum tightness is 0.095MPa, and the dehydration blend was mediated 100 minutes, cool off base-material;
(2) at room temperature, the specific surface area of again hexamethyldisilazane being handled is 200m
2Gas-phase silica 10 weight parts of/g; Methyltrimethoxy silane 15 weight parts; γ-(2,3-epoxy third oxygen) propyl trimethoxy silicane 2 weight parts, γ-An Bingjisanyiyangjiguiwan 1 weight part; Inner complex 4 weight parts of the methyl aceto acetate of isopropyl titanate; Viscosity is that the molecular end of 0.5Pa.S is YSR 3286 4 weight parts of methyl in the time of 25 ℃, adds to be equipped with in the high speed dispersion stirrer or planetary mixer of above-mentioned base-material, makes solar photovoltaic assembly in 100 minutes and uses organosilicon sealant in vacuum tightness 0.090Mpa, rotating speed 500rpm stirring.
Embodiment three:
Viscosity is the α of 50Pa.S during (1) with 25 ℃, alpha, omega-dihydroxy polydimethyl siloxane 100 weight parts, acid-treated active nano-calcium carbonate 80 weight parts of rosin; Add in the vacuum kneader; In 100 ℃ of temperature, vacuum tightness is 0.095MPa, and the dehydration blend was mediated 200 minutes, cool off base-material;
(2) at room temperature, the specific surface area of again hexamethyldisilazane being handled is 150m
2Gas-phase silica 5 weight parts of/g; Vinyltrimethoxy silane 10 weight parts; γ-(2,3-epoxy third oxygen) propyl trimethoxy silicane 1 weight part, γ-An Bingjisanjiayangjiguiwan 2 weight parts; Inner complex 5 weight parts of the methyl aceto acetate of isopropyl titanate; Viscosity is that the molecular end of 0.35Pa.S is YSR 3286 5 weight parts of methyl in the time of 25 ℃, adds to be equipped with in the high speed dispersion stirrer or planetary mixer of above-mentioned base-material, makes solar photovoltaic assembly in 150 minutes and uses organosilicon sealant in vacuum tightness 0.095Mpa, rotating speed 300rpm stirring.
Solar photovoltaic assembly of the present invention is with organosilicon sealant and preparation method thereof, and the consumption of each component and processing parameter are not limited to above-mentioned listed examples.
Solar photovoltaic assembly is with the performance of mono-component organic silicone sealer; Wherein project indicator surface drying time, shore hardness, bond damage rate (test material is the material that uses in the photovoltaic module, like aluminium, TPT, PET, PPO etc.), fugitive constituent are tested according to standard GB/T13477; Tensile strength and elongation are according to standard GB/T528 sample preparation and test; High-temp resisting high-humidity resisting property, yellowing resistance, resistant of high or low temperature are tested and are estimated according to IEC61215 and GB/T13477.The foregoing description product performance test result is as shown in table 1.
Table 1 embodiment of the invention solar photovoltaic assembly is with the The performance test results of organosilicon sealant
The result shows that embodiment of the invention solar photovoltaic assembly is used organosilicon sealant, and weather-resistant, yellowing resistance can be better, excellent in adhesion and extensive, are suitable for the aluminium frame of solar photovoltaic assembly and the adhering and sealing of power supply boxcar.
Claims (8)
1. a solar photovoltaic assembly is used organosilicon sealant, it is characterized in that its raw material consists of by weight:
α, 100 parts of alpha, omega-dihydroxy polydimethyl siloxanes
60～80 parts of active nano-calcium carbonates
5～10 parts of gas-phase silicas
10～20 parts of linking agents
1～4 part of silane coupling agent
1～6 part of catalyzer
1～10 part in silicone oil softening agent
Wherein, Said α; Viscosity was 20Pa.S～60Pa.S when the structural formula of alpha, omega-dihydroxy polydimethyl siloxane was
n=100～2000,25 ℃.
2. solar photovoltaic assembly according to claim 1 is used organosilicon sealant, it is characterized in that: said active nano-calcium carbonate is through lipid acid or the acid-treated nano-calcium carbonate of resin.
3. solar photovoltaic assembly according to claim 1 is used organosilicon sealant, it is characterized in that: the thermal silica of said gas-phase silica for handling through hexamethyldisilazane, specific surface area is 100～200m
2/ g.
4. solar photovoltaic assembly according to claim 1 is used organosilicon sealant, it is characterized in that: said linking agent is a kind of of methyltrimethoxy silane or vinyltrimethoxy silane or combination.
5. solar photovoltaic assembly according to claim 1 is used organosilicon sealant; It is characterized in that: said silane coupling agent is the one or more combination in γ-(2,3-epoxy third oxygen) propyl trimethoxy silicane, γ-An Bingjisanjiayangjiguiwan and the γ-An Bingjisanyiyangjiguiwan.
6. solar photovoltaic assembly according to claim 1 is used organosilicon sealant, it is characterized in that: said catalyzer is the inner complex of the methyl aceto acetate of isopropyl titanate.
7. solar photovoltaic assembly according to claim 1 is used organosilicon sealant, it is characterized in that: said silicone oil softening agent is that molecular end is the YSR 3286 of methyl, and viscosity is 0.35Pa.S～0.5Pa.S in the time of 25 ℃.
8. according to the preparation method of the described solar photovoltaic assembly of one of claim 1-7, it is characterized in that may further comprise the steps with organosilicon sealant:
(1) with α, alpha, omega-dihydroxy polydimethyl siloxane, active nano-calcium carbonate add in the vacuum kneader, are 0.085～0.099MPa in 100～150 ℃ of temperature, vacuum tightness, and the dehydration blend was mediated 100～200 minutes, cool off base-material;
(2) at room temperature; Again with gas-phase silica, linking agent, silane coupling agent, catalyzer, silicone oil softening agent; Add and be equipped with in the high speed dispersion stirrer or planetary mixer of above-mentioned base-material; In vacuum tightness 0.085～0.099MPa, stirring made solar photovoltaic assembly in 100～150 minutes and uses organosilicon sealant under rotating speed 200～600rpm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102714830A CN102382615B (en) | 2010-09-03 | 2010-09-03 | Organosilicon sealant for solar photovoltaic modules and preparation method for organosilicon sealant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102714830A CN102382615B (en) | 2010-09-03 | 2010-09-03 | Organosilicon sealant for solar photovoltaic modules and preparation method for organosilicon sealant |
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| CN102382615B CN102382615B (en) | 2013-11-20 |
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