CN103571427A - Single-component oxime-removed silicone sealant for sealing solar cell module and preparation method thereof - Google Patents
Single-component oxime-removed silicone sealant for sealing solar cell module and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a single-component oxime-removed silicone sealant for sealing a solar cell module. The single-component oxime-removed silicone sealant is composed of the following components in parts by weight: 100 parts of alpha, omega-dihydroxyl polydimethylsiloxane having the viscosity in the range from 20000 to 80000, 1-6 parts of polyisobutene resin, 10-40 parts of active calcium carbonate, 1-15 parts of methylsilicone oil, 10-50 parts of fire retardant, 1-5 parts of titanium dioxide, 1-7 parts of fumed silica, 9-15 parts of cross-linking agent, 2-5 parts of silane coupling agent and 0.5-1.5 parts of catalyst. The invention also discloses a preparation method of the sealant. The sealant provided by the invention has the characteristics of excellent weather fastness, yellowing resistance, flame resistance, low water vapor transmittance, good storage stability and the like.
Description
Technical field
The invention belongs to high molecule sealing materials field, relate to a kind of seal gum for solar module and preparation method thereof.
Background technology
Along with the development of economic technology, the mankind are increasing to the demand of the fossil energies such as oil, coal, Sweet natural gas, but the reserves of these fossil energies are limited, and this just forces the mankind to find new substitute energy.Solar cell is considered to a kind of green novel energy source that well substitutes fossil energy.Solar cell is a kind ofly can effectively absorb solar radiation energy, and makes it to be transformed into the semiconducter device of electric energy, is the reliable energy of renewable energy source and Sustainable development.Within 2011, China's solar cell completes 1298.39 ten thousand kilowatts of generated energy of accumulative total, increases by 68.39% on a year-on-year basis.40 years from now on solar electrical energy generations will be with than speed development faster.
The bonding of solar battery component junction box and edge seal all will be used seal gum.
The seal gum for solar module using is in the market mainly single component and bi-component silicone seal gum.Chinese patent CN201110007065.5, CN201010105216.6 and CN1528821 etc. disclose the condensed type bi-component silicone seal gum that is applied to solar cell package, this class condensed type bi-component silicone seal gum need to used on-the-spot installation to join adhesive dispenser, inconvenient when operation is used in solar components encapsulation.Chinese patent CN 101353563 A have announced a kind of single-component silicone fluid sealant for solar module sealing, but this patent is not mentioned the flame retardant properties of glue.US Patent No. 5238988 discloses a kind of quick-setting room temperature vulcanized liquid silicone rubber, but the purposes of not mentioned this silicon rubber, whether can produce xanthochromia, water vapor transmission rate (WVTR) size etc.Chinese patent CN101654609 discloses single-component silicone fluid sealant and preparation method thereof for solar components, and its catalyzer adopts tin acetate, not mentioned water vapor transmission rate (WVTR) situation.
Summary of the invention
The object of the present invention is to provide a kind of have excellent weathering resistance, yellowing resistance energy, flame retardant properties, the de-oxime type silicone sealant single-component room-temperature vulcanized, that seal for solar module that water vapor transmission rate (WVTR) is low and stable storing performance is good.
For achieving the above object, the invention provides following technical scheme:
The de-oxime type silicone sealant of single component of solar module sealing, is characterized in that sealing glue is comprised of by following weight parts following component:
Viscosity is 20000～80000 α, 100 parts of alpha, omega-dihydroxy polydimethyl siloxanes;
1～6 part of polyisobutene resin;
10～50 parts of activated Calcium carbonates;
1～15 part, silicone oil softening agent;
10～40 parts of fire retardants;
1～5 part of titanium dioxide;
Specific surface area is 1～7 part of 130m2/g gas-phase silica;
9～15 parts of linking agents;
2～5 parts of silane coupling agents;
0.5～1.5 part of catalyzer.
It is 10000～40000 poly-isobutyl-resin that the poly-isobutyl-resin of above-mentioned use is preferably number-average molecular weight.
The activated Calcium carbonate of above-mentioned use can outsourcing, as Shaanxi Hai Ze nano material company limited etc.As preferred mode, can, by the conventional method of the industry, with resinous acid, process activated Calcium carbonate before use.
Above-mentioned linking agent preferably in methyl three isobutyl ketone oximino silanes, vinyl three isobutyl ketone oximino silanes and four isobutyl ketone oximino silanes a kind of, two or three.
Above-mentioned catalyzer is a kind of, two or more combination in dibutyl tin laurate, dibutyl tin acetate, stannous octoate and dibutyl two stannous octoates preferably.
Above-mentioned silane coupling agent is selected from a kind of, two or more combination in γ-methacryloxypropyl trimethoxy silane, γ-glycidyl ether oxygen propyl trimethoxy silicane, γ-aminopropyl triethoxysilane, vinyl three ('beta '-methoxy oxyethyl group) silane and two (γ-trimethoxy-silylpropyl) amine.
A kind of, two or more combination in aluminium hydroxide, magnesium hydroxide, antimonous oxide, zinc subcarbonate, zinc borate, trimeric cyanamide, trimeric cyanamide phosphoric acid ester, melamine cyanurate, Resorcinol two (hexichol phosphoric acid ester) and ammonium polyphosphate that above-mentioned fire retardant is preferably hung oneself after silane coupling agent processing.
The size that above-mentioned titanium dioxide is preferably particulate is less than the titanium dioxide of 100 nanometers.
Above-mentioned silicone oil softening agent is preferably the polydimethylsiloxane that molecular end is methyl, and its viscosity in the time of 25 ℃ is 0.5～2.0 Pa.s.
Above-mentioned specific surface area is that the specific surface area of 130m2/g gas-phase silica is preferably 90～200cm
3/ g.
The present invention also provides a kind of preparation method of the above-mentioned de-oxime type silicone sealant of single component for solar module sealing, it is characterized in that comprising the following steps:
(1) by specific surface area, be 90～200cm
3the specific surface area of/g is that 130m2/g gas-phase silica is at 65～180 ℃ of drying and dewatering 2-3 hour;
(2) α that is 20000～80000 by viscosity, alpha, omega-dihydroxy polydimethyl siloxane 100 weight parts, polyisobutene resin 1～6 weight part, activated Calcium carbonate 10～40 weight parts, silicone oil softening agent 1～15 weight part, aluminium hydroxide 10～40 weight parts, titanium dioxide 1～5 weight part, adds in vacuum kneader, in 65～180 ℃ of temperature, vacuum tightness, is 0.06～0.1MPa, blend dehydration 60～180 minutes, the cooling base-material that obtains;
(3) at room temperature, by the specific surface area after step (1) dehydration, be 130m2/g gas-phase silica 1～7 weight part again, linking agent 9～15 weight parts, silane coupling agent 2～5 weight parts, catalyzer 0.5～1.5 weight part, adds in the high speed dispersion planet machine that above-mentioned base-material is housed, in rotating speed 40～60rpm, vacuum tightness 0.06～0.1 MPa stirs 30～150 minutes, makes the de-oxime type silicone sealant of single component.
Embodiment
Below in conjunction with specific embodiment, the present invention is further described, but does not limit the invention to these embodiments.One skilled in the art would recognize that the present invention contained all alternativess, improvement project and the equivalents that within the scope of claims, may comprise.
embodiment 1
By specific surface area, be 130 cm
3/ g gas-phase silica was 110 ℃ of drying and dewaterings 2 hours; The α that is 20000cPa.s by viscosity, 100 parts of alpha, omega-dihydroxy polydimethyl siloxanes, 10 parts of the methyl-silicone oils that the polydimethylsiloxane viscosity that molecular end is methyl is 1000cPa.s, 5 parts of polyisobutene resins, 30 parts of activated Calcium carbonates, 25 parts, aluminium hydroxide, 5 parts of zinc subcarbonates, 2 parts of ammonium polyphosphates, particle size is that 3 parts of the titanium dioxides of 0.08 micron add in vacuum kneader, in 110 ℃ of temperature, vacuum tightness, be 0.07MPa, blend dehydration 150 minutes, the cooling base-material that obtains.At room temperature, then be 130m by specific surface area
25 parts of/g gas-phase silicas, 8 parts of methyl three isobutyl ketone oximino silanes, 5 parts of vinyl three isobutyl ketone oximino silanes, four 0.5 part of isobutyl ketone oximino silane, 3 parts, vinyl three ('beta '-methoxy oxyethyl group) silane, 1 part of two (γ-trimethoxy-silylpropyl) amine, 1.1 parts of dibutyl tin laurates, add in the high speed dispersion planet machine that above-mentioned base-material is housed, in rotating speed 60rpm, vacuum tightness 0.08MPa, stirs 60 minutes, make the de-oxime type silicone sealant of single component, product performance test result is in Table 1.
embodiment 2
By specific surface area, be 200cm
3/ g gas-phase silica was 110 ℃ of drying and dewaterings 3 hours; The α that is 50000cPa.s by viscosity, 100 parts of alpha, omega-dihydroxy polydimethyl siloxanes, 10 parts of the methyl-silicone oils that the polydimethylsiloxane viscosity that molecular end is methyl is 1000cPa.s, 1 part of polyisobutene resin, 30 parts of activated Calcium carbonates, 25 parts, aluminium hydroxide, 5 parts of zinc subcarbonates, 2 parts of ammonium polyphosphates, particle size is that 3 parts of the titanium dioxides of 0.08 micron add in vacuum kneader, in 110 ℃ of temperature, vacuum tightness, be 0.07MPa, blend dehydration 150 minutes, the cooling base-material that obtains.At room temperature, then be 200cm by specific surface area
35 parts of/g gas-phase silicas, 12 parts of methyl three isobutyl ketone oximino silanes, 2 parts of vinyl three isobutyl ketone oximino silanes, 3 parts, vinyl three ('beta '-methoxy oxyethyl group) silane, 1 part of two (γ-trimethoxy-silylpropyl) amine, 1.1 parts of dibutyl tin laurates, add in the high speed dispersion planet machine that above-mentioned base-material is housed, in rotating speed 60rpm, vacuum tightness 0.08MPa, stir 60 minutes, make the de-oxime type silicone sealant of single component, product performance test result is in Table 1.
embodiment 3
By specific surface area, be 130cm
3/ g gas-phase silica was 110 ℃ of drying and dewaterings 2 hours; The α that is 80000cPa.s by viscosity, 100 parts of alpha, omega-dihydroxy polydimethyl siloxanes, molecular end is 15 parts of the polydimethylsiloxane viscosity of the methyl methyl-silicone oils that is 1000cPa.s, 5 parts of polyisobutene resins, 40 parts of activated Calcium carbonates, 20 parts, aluminium hydroxide, 15 parts of zinc subcarbonates, particle size is that 3 parts of the titanium dioxides of 0.08 micron add in vacuum kneader, in 110 ℃ of temperature, vacuum tightness, is 0.07MPa, blend dehydration 150 minutes, the cooling base-material that obtains.At room temperature, then be 130cm by specific surface area
33 parts of/g gas-phase silicas, 8 parts of methyl three isobutyl ketone oximino silanes, 5 parts of vinyl three isobutyl ketone oximino silanes, four 0.5 part of isobutyl ketone oximino silane, 1.5 parts of γ-aminopropyl triethoxysilanes, 1.0 parts of two (γ-trimethoxy-silylpropyl) amine, 1.0 parts of dibutyl tin laurates, add in the high speed dispersion planet machine that above-mentioned base-material is housed, in rotating speed 60rpm, vacuum tightness 0.08MPa, stirs 60 minutes, make the de-oxime type silicone sealant of single component, product performance test result is in Table 1.
embodiment 4
By specific surface area, be 130cm
3/ g gas-phase silica was 110 ℃ of drying and dewaterings 2 hours; The α that is 80000cPa.s by viscosity, 100 parts of alpha, omega-dihydroxy polydimethyl siloxanes, molecular end is 15 parts of the polydimethylsiloxane viscosity of the methyl methyl-silicone oils that is 1000cPa.s, 5 parts of polyisobutene resins, 40 parts of activated Calcium carbonates, 45 parts, the aluminium hydroxide of processing through silane coupling agent, particle size is that 3 parts of the titanium dioxides of 0.08 micron add in vacuum kneader, in 110 ℃ of temperature, vacuum tightness, be 0.07MPa, blend dehydration 150 minutes, the cooling base-material that obtains.At room temperature, then be 130cm by specific surface area
33 parts of/g gas-phase silicas, 8 parts of methyl three isobutyl ketone oximino silanes, 5 parts of vinyl three isobutyl ketone oximino silanes, four 0.5 part of isobutyl ketone oximino silane, 1.5 parts of γ-aminopropyl triethoxysilanes, 1.0 parts of two (γ-trimethoxy-silylpropyl) amine, 1.0 parts of dibutyl tin laurates, add in the high speed dispersion planet machine that above-mentioned base-material is housed, in rotating speed 60rpm, vacuum tightness 0.08MPa, stirs 60 minutes, make the de-oxime type silicone sealant of single component, product performance test result is in Table 1.
embodiment 5
By specific surface area, be 130cm
3/ g gas-phase silica was 110 ℃ of drying and dewaterings 3 hours; The α that is 50000cPa.s by viscosity, 100 parts of alpha, omega-dihydroxy polydimethyl siloxanes, molecular end is 10 parts of the polydimethylsiloxane viscosity of the methyl methyl-silicone oils that is 1000cPa.s, 1 part of polyisobutene resin, 30 parts of activated Calcium carbonates, 25 parts, the aluminium hydroxide of processing through silane coupling agent, 20 parts of ammonium polyphosphates, particle size is that 3 parts of the titanium dioxides of 0.06 micron add in vacuum kneader, in 110 ℃ of temperature, vacuum tightness, is 0.07MPa, blend dehydration 150 minutes, the cooling base-material that obtains.At room temperature, then be 130cm by specific surface area
35 parts of/g gas-phase silicas, 12 parts of vinyl three isobutyl ketone oximino silanes, 3 parts, vinyl three ('beta '-methoxy oxyethyl group) silane, 1 part of two (γ-trimethoxy-silylpropyl) amine, 1.1 parts of dibutyl tin laurates, add in the high speed dispersion planet machine that above-mentioned base-material is housed, in rotating speed 60rpm, vacuum tightness 0.08MPa, stirs 60 minutes, make the de-oxime type silicone sealant of single component, product performance test result is in Table 1.
comparing embodiment 1
By specific surface area, be 130cm
3/ g gas-phase silica was 110 ℃ of drying and dewaterings 3 hours; The α that is 20000cPa.s by viscosity, 100 parts of alpha, omega-dihydroxy polydimethyl siloxanes, molecular end is 10 parts of the polydimethylsiloxane viscosity of the methyl methyl-silicone oils that is 1000cPa.s, 30 parts of activated Calcium carbonates, 25 parts, the aluminium hydroxide that silane coupling agent was processed, 5 parts of zinc subcarbonates, particle diameter is that 3 parts of the titanium dioxides of 0.08 micron add in vacuum kneader, in 110 ℃ of temperature, vacuum tightness, be 0.07MPa, blend dehydration 150 minutes, the cooling base-material that obtains.At room temperature, then be 130cm by specific surface area
31 part of/g gas-phase silica, 8 parts of methyl three isobutyl ketone oximino silanes, 5 parts of vinyl three isobutyl ketone oximino silanes, four 0.5 part of isobutyl ketone oximino silane, 3 parts, vinyl three ('beta '-methoxy oxyethyl group) silane, 1 part of two (γ-trimethoxy-silylpropyl) amine, 1.1 parts of dibutyl tin laurates, add in the high speed dispersion planet machine that above-mentioned base-material is housed, in rotating speed 60rpm, vacuum tightness 0.08MPa, stirs 60 minutes, make the de-oxime type silicone sealant of single component, product performance test result is shown in Table 1.
comparing embodiment 2
By specific surface area, be 130cm
3/ g gas-phase silica was 110 ℃ of drying and dewaterings 2 hours; The α that is 50000cPa.s by viscosity, 100 parts of alpha, omega-dihydroxy polydimethyl siloxanes, molecular end is 10 parts of the polydimethylsiloxane viscosity of the methyl methyl-silicone oils that is 1000cPa.s, 30 parts of activated Calcium carbonates, 25 parts, the aluminium hydroxide that silane coupling agent was processed, 5 parts of zinc subcarbonates, add in vacuum kneader, in 110 ℃ of temperature, vacuum tightness, be 0.07MPa, blend dehydration 150 minutes, the cooling base-material that obtains.At room temperature, then be 130cm by specific surface area
35 parts of/g gas-phase silicas, 12 parts of methyl three isobutyl ketone oximino silanes, 5 parts of vinyl three isobutyl ketone oximino silanes, 3 parts of γ-aminopropyl triethoxysilanes, 1 part of two (γ-trimethoxy-silylpropyl) amine, 0.8 part of dibutyl tin laurate, adds in the high speed dispersion planet machine that above-mentioned base-material is housed, in rotating speed 60rpm, vacuum tightness 0.08MPa, stir 60 minutes, make the de-oxime type silicone sealant of single component, product performance test result is shown in Table 1.
Table 1 seal gum the performance test results
| Sequence number | Project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Comparative example 1 | Comparative example 2 |
| 1 | Surface drying time | 11 | 13 | 13 | 12 | 10 | 15 | 10 |
| 2 | Shore hardness (Shore A) | 36 | 38 | 37 | 38 | 36 | 39 | 35 |
| 3 | Tensile strength (MPa) | ≥2.0 | ≥2.0 | ≥1.8 | ≥1.8 | ≥1.8 | ≥1.6 | ≥1.6 |
| 4 | Thermal ageing (be full of cracks) | Nothing | Nothing | Nothing | Nothing | Nothing | Nothing | Nothing |
| 5 | Flame retardant rating | FV-0 | FV-0 | FV-0 | FV-0 | FV-0 | FV-0 | FV-1 |
| 6 | Volume specific resistance (Ω cm 3） | ≥1.5×10 13 | ≥1.5×10 13 | ≥1.5×10 13 | ≥1.5×10 13 | ≥1.5×10 13 | ≥1.5×10 13 | ≥ ≥1.5×10 13 |
| 7 | Dielectric strength (KV/mm) | ≥16 | ≥16 | ≥16 | ≥16 | ≥16 | ≥16 | ≥16 |
| 8 | With anodised aluminium adhesive property | Cohesive failure | Cohesive failure | Cohesive failure | Cohesive failure | Cohesive failure | Cohesive failure | Cohesive failure |
| 9 | With glassy bond performance | Cohesive failure | Cohesive failure | Cohesive failure | Cohesive failure | Cohesive failure | Cohesive failure | Cohesive failure |
| 10 | With PPO/PA cohesiveness | Cohesive failure | Cohesive failure | Cohesive failure | Cohesive failure | Cohesive failure | Cohesive failure | Cohesive failure |
| 11 | Yellowing resistance | Xanthochromia not | Xanthochromia not | Xanthochromia not | Xanthochromia not | Xanthochromia not | Xanthochromia not | Xanthochromia |
| 12 | Vapor permeability (g/m 2.d） | 6 | 8 | 6 | 7 | 7 | 28 | 29 |
| 13 | Storage period (moon) | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
Claims (8)
1. for the de-oxime type silicone sealant of single component of solar module sealing, it is characterized in that sealing glue is comprised of by following weight parts following component:
Viscosity is 20000～80000 α, 100 parts of alpha, omega-dihydroxy polydimethyl siloxanes;
1～6 part of polyisobutene resin;
10～40 parts of activated Calcium carbonates;
1～15 part of methyl-silicone oil;
10～50 parts of fire retardants;
1～5 part of titanium dioxide;
1～7 part of gas-phase silica;
9～15 parts of linking agents;
2～5 parts of silane coupling agents;
0.5～1.5 part of catalyzer.
2. according to the de-oxime type silicone sealant of the single component for solar module sealing claimed in claim 1, the number-average molecular weight that it is characterized in that described poly-isobutyl-resin is 10000～40000, and described activated Calcium carbonate is through the acid-treated calcium carbonate of resin.
3. according to the de-oxime type silicone sealant of the single component for solar module sealing claimed in claim 1, it is characterized in that described linking agent be selected from methyl three isobutyl ketone oximino silanes, vinyl three isobutyl ketone oximino silanes and four isobutyl ketone oximino silanes a kind of, two or three.
4. according to the de-oxime type silicone sealant of the single component for solar module sealing claimed in claim 1, it is characterized in that described catalyzer is selected from a kind of, two or more combination in dibutyl tin laurate, dibutyl tin acetate, stannous octoate and dibutyl two stannous octoates.
5. according to the de-oxime type silicone sealant of the single component for solar module sealing claimed in claim 1, it is characterized in that described silane coupling agent is selected from a kind of, two or more combination in γ-methacryloxypropyl trimethoxy silane, γ-glycidyl ether oxygen propyl trimethoxy silicane, γ-aminopropyl triethoxysilane, vinyl three ('beta '-methoxy oxyethyl group) silane and two (γ-trimethoxy-silylpropyl) amine.
6. according to the de-oxime type silicone sealant of the single component for solar module sealing claimed in claim 1, it is characterized in that described fire retardant is selected from a kind of, two or more combination in untreated aluminium hydroxide and the aluminium hydroxide after silane coupling agent is processed, magnesium hydroxide, antimonous oxide, zinc subcarbonate, zinc borate, trimeric cyanamide, trimeric cyanamide phosphoric acid ester, melamine cyanurate, Resorcinol two (hexichol phosphoric acid ester) and ammonium polyphosphate.
7. according to the de-oxime type silicone sealant of the single component for solar module sealing claimed in claim 1, the size that it is characterized in that described titanium dioxide particulate is less than 100 nanometers, described silicone oil softening agent is that molecular end is the polydimethylsiloxane of methyl, its viscosity in the time of 25 ℃ is 0.5～2.0 Pa.s, and the specific surface area of described gas-phase silica is 90～200cm
3/ g.
8. according to the preparation method of the de-oxime type silicone sealant of single component for solar module sealing claimed in claim 1, it is characterized in that comprising the following steps:
(1) by specific surface area, be 90～200cm
3the gas-phase silica of/g is at 65～180 ℃ of drying and dewatering 2-3 hour;
(2) α that is 20000～80000 by viscosity, alpha, omega-dihydroxy polydimethyl siloxane 100 weight parts, polyisobutene resin 1～6 weight part, activated Calcium carbonate 10～40 weight parts, silicone oil softening agent 1～15 weight part, aluminium hydroxide 10～40 weight parts, titanium dioxide 1～5 weight part, adds in vacuum kneader, in 65～180 ℃ of temperature, vacuum tightness, is 0.06～0.1MPa, blend dehydration 60～180 minutes, the cooling base-material that obtains;
(3) at room temperature, again by gas-phase silica 1～7 weight part after step (1) dehydration, linking agent 9～15 weight parts, silane coupling agent 2～5 weight parts, catalyzer 0.5～1.5 weight part, adds in the high speed dispersion planet machine that above-mentioned base-material is housed, in rotating speed 40～60rpm, vacuum tightness 0.06～0.1 MPa stirs 30～150 minutes, makes the de-oxime type silicone sealant of single component.
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| CN106520061A (en) * | 2016-11-18 | 2017-03-22 | 山东宝龙达新材料有限公司 | Single-component anti-bacteria anti-yellowing colored silicone sealant for fish tank and preparation method of single-component anti-bacteria anti-yellowing colored silicone sealant |
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| GB2567621A (en) * | 2017-10-10 | 2019-04-24 | Polyseam Ltd | Compositions and methods and uses relating thereto |
| GB2567621B (en) * | 2017-10-10 | 2022-07-27 | Polyseam Ltd | Composition and method of sealing a service penetration |
| CN107936908A (en) * | 2017-12-06 | 2018-04-20 | 苏州铂邦胶业有限公司 | Silicone sealant |
| CN108587556A (en) * | 2017-12-29 | 2018-09-28 | 东莞市朗泰通实业有限公司 | A kind of Ni-MH battery leakproof seal glue and preparation method thereof |
| CN111534271A (en) * | 2020-05-12 | 2020-08-14 | 广东圣堡达高新科技有限公司 | Glue for roads and bridges and preparation method thereof |
| CN111534271B (en) * | 2020-05-12 | 2022-05-17 | 广东圣堡达高新科技有限公司 | Glue for roads and bridges and preparation method thereof |
| WO2024040687A1 (en) * | 2022-08-25 | 2024-02-29 | 江西天永诚高分子材料有限公司 | Single-component transparent silicone structural sealant for photovoltaics and preparation method therefor |
| CN116063980A (en) * | 2023-02-27 | 2023-05-05 | 江苏明昊新材料科技股份有限公司 | Single-component low-permeability photovoltaic frame sealant and preparation method thereof |
| CN116063980B (en) * | 2023-02-27 | 2023-11-07 | 江苏明昊新材料科技股份有限公司 | Single-component low-permeability photovoltaic frame sealant and preparation method thereof |
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Denomination of invention: The invention relates to a one component hydroxime silicone sealant for sealing solar cell modules and a preparation method thereof Effective date of registration: 20211011 Granted publication date: 20160316 Pledgee: Industrial and Commercial Bank of China Limited Hangzhou Zhaohui sub branch Pledgor: SINOCHEM LANTIAN Co.,Ltd. Registration number: Y2021330001830 |
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Date of cancellation: 20220507 Granted publication date: 20160316 Pledgee: Industrial and Commercial Bank of China Limited Hangzhou Zhaohui sub branch Pledgor: SINOCHEM LANTIAN Co.,Ltd. Registration number: Y2021330001830 |