CN101792653A - Sealant for acrylic ester modified solar photovoltaic module and preparation method thereof - Google Patents
Sealant for acrylic ester modified solar photovoltaic module and preparation method thereof Download PDFInfo
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- CN101792653A CN101792653A CN201010130220A CN201010130220A CN101792653A CN 101792653 A CN101792653 A CN 101792653A CN 201010130220 A CN201010130220 A CN 201010130220A CN 201010130220 A CN201010130220 A CN 201010130220A CN 101792653 A CN101792653 A CN 101792653A
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- 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
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Abstract
The invention relates to a sealant for acrylic ester modified solar photovoltaic module and a preparation method thereof. The sealant is prepared from the following raw materials in parts by weight: 90 parts of alpha, omega-dihydroxy polydimethyl siloxane, 10-15 parts of acrylic ester, 0.5-0.8 part of catalyzer A, 0.8-1.2 parts of catalyzer B, 20-30 parts of activated calcium carbonate, 25-60 parts of silicon powder, 4-6 parts of fumed silica, 11-15 parts of crosslinking agents, 2-3 parts of silane coupling agents and 5-8 parts of plasticizer. The invention has the advantages that the permeation of water vapor can be inhibited effectively, and the permeation rate of the water vapor is less than 1; due to the adoption of ester modification by acrylic ester, no monomer is separated in the process of solidification and after solidification; the resistance to weather and corrosion is ideal; and the process of the recommended preparation method is simple, which is not strict on process requirements and equipment.
Description
Technical field
The invention belongs to technical field of polymer materials, be specifically related to a kind of sealant for acrylic ester modified solar photovoltaic module, and relate to the preparation method of sealing glue.
Background technology
Solar photovoltaic assembly also claims solar module, seal gum existing report in Chinese patent literature as solar photovoltaic assembly, the branch that two components and single-component are wherein arranged, the disclosed condensed type double-component seal gum of the seal gum of two components such as application for a patent for invention publication number CN1528821A, single-component silicone sealant of a kind of solar module that the seal gum of single-component such as application for a patent for invention publication number CN101353563A introduce and preparation method thereof.
The shortcoming (7-9 on the background technology hurdle of the specification sheets page 1 of CN101353563A is capable) of last patent application has been pointed out in aforesaid back one patent application, and to U.S. Pat 5238988 disclosed quick-setting room temperature vulcanized silicone rubbers when using, flavescence whether can occur and propose query.Therefore, CN101353563A adopts petroleum resin and filler to come the steam-preventing through performance of lift-off seal glue, but, because petroleum resin mostly are the multipolymer of unsaturated olefin class, lipid and arene greatly, its relative molecular weight reaches 200-3000, performance is very active, volatile and separate out in reaction and solidification process.And petroleum resin have certain fragility, and petroleum resin are insoluble to lower alcohol and ketones solvent, thereby to preventing seeing through effect and can't showing gratifying degree of water vapor.The not mentioned result who some technical indicator of silicone sealant is tested according to relevant provision in the CNS GB/T9395 table 1 why in the specification sheets of this patent application, perhaps be due to this reason, that is, owing to used petroleum resin, steam-preventing transmitance (g/m
2D) be difficult to control to≤1.
In recent years, the solar photovoltaic assembly development is swift and violent, the reason known as industry, solar photovoltaic assembly is installed on outdoor, except require to have good UV resistant irradiation performance, the excellent high and low temperature resistance and corrosion resistance nature, also require to have good sealing property, promptly quite harsh to the through performance of water-repellancy and water vapor.Again because the life cycle of solar module reaches 20-30 doubly usually, so the sealing effectiveness of seal gum must satisfy this time requirement, even is higher than (being longer than) this time span.
The surface of the silicon single crystal of solar photovoltaic assembly or polycrystal silicon cell plate all is pasted with the thin film of silicon single crystal or polysilicon being implemented protection by matrix material being used for of making; therefore in a single day water vapor penetrates into seal gum inside; just can influence aforesaid film; and then the mildew phenomena in initiation silicon single crystal or the polysilicon interlayer; and then; because film itself is not by used seal gum corrosion or because seal gum monomer occurs and separates out in solidification process; thereby make film xanthochromia (yellowing) phenomenon occur; to solar cell wafer is that the work-ing life and the photoelectric transformation efficiency of aforesaid silicon single crystal or polysilicon exerts an influence; more particularly, can shorten the work-ing life and the reduction photoelectric transformation efficiency of silicon chip.
At present, industry is all explored at the seal gum of being devoted to solar photovoltaic assembly is used, and makes every effort to make the transmitance (g/m of water vapor
2D)≤1, and the phase is got seal gum in solidification process and monomer all can not occur after solidifying and separate out phenomenon, satisfy this two conditions because have only, yellowing appears in the film that just can avoid being attached on the silicon chip, and then ensures the work-ing life and the photoelectric transformation efficiency of silicon chip.Yet, in disclosed document, be not seen in the technology enlightenment of being used for reference, and do not hear the report that business success is arranged yet.For this reason, the applicant has passed through long exploration, has found the scheme of dealing with problems, and will produce under this background by disclosed technology contents below.
Summary of the invention
Task of the present invention is to provide a kind of and can reduces water vapour permeability effectively and can not occur in solidification process and after solidifying that monomer is separated out and erosion resistance, weathering resistance and stability in storage are desirable and use and avoid occurring in silicon single crystal or the polysilicon interlayer mildew phenomena, ensures the work-ing life of silicon chip and the sealant for acrylic ester modified solar photovoltaic module of photoelectric transformation efficiency.
Task of the present invention also is to provide a kind of preparation method of sealant for acrylic ester modified solar photovoltaic module, and this method processing step is few and preparation condition is not harsh and can ensure comprehensive embodiment of the technique effect of described seal gum.
Task of the present invention is finished like this, a kind of sealant for acrylic ester modified solar photovoltaic module, and it is that raw material by following weight part ratio constitutes:
α, 90 parts of alpha, omega-dihydroxy polydimethyl siloxanes;
10～15 parts of acrylate;
0.5～0.8 part of catalyst A;
0.8～1.2 part of catalyst B;
20～30 parts of treated carbonatess;
25～60 parts of silicon powders;
4～6 parts of gas-phase silicas;
11～15 parts of linking agents;
2～3 parts of silane coupling agents;
5～8 parts in softening agent.
In a specific embodiment of the present invention, described acrylate is any one or more than one the combination in methyl acrylate, ethyl propenoate, butyl acrylate, Hydroxyethyl acrylate, ethyl acrylate, methyl methacrylate, Jia Jibingxisuanyizhi, butyl methacrylate and the glycidyl methacrylate.
In another specific embodiment of the present invention, described catalyst A is the mixture of tellurium and cadmium; And described catalyst B is dibutyl tin dilaurate, dibutyl tin acetate, dibutyl two stannous octoates or stannous octoate.
In another specific embodiment of the present invention, described treated carbonates is the acid-treated treated carbonates of process resin.
In another specific embodiment of the present invention, the particle diameter of described silicon powder is 8-18 μ m; Described gas-phase silica is that surface-area is 150-200cm
3The gas-phase silica that is untreated of/g; Described linking agent is methyl three isobutyl ketone oximino silanes or vinyl three isobutyl ketone oximino silanes.
Also have in the specific embodiment of the present invention, described silane coupling agent is γ-[2,3-epoxy third oxygen] propyl trimethoxy silicane, γ-An Bingjisanyiyangjiguiwan, 1,2,5-(trimethoxy silicon propyl group) isocyanic ester.
More of the present invention and in specific embodiment, described softening agent is methyl blocking and viscosity 25 ℃ the time are the polydimethylsiloxane of 0.5～20Pa.s.
Another task of the present invention is finished like this, a kind of preparation method of sealant for acrylic ester modified solar photovoltaic module, and this method may further comprise the steps:
A) produce base-material, with α, 90 parts of alpha, omega-dihydroxy polydimethyl siloxanes, 10～15 parts of acrylate and catalyst A join in the vacuum kneader for 0.5～0.8 part mediates, and the vacuum tightness of control vacuum kneader, kneading temperature and kneading time, obtains base-material;
B) produce seal gum, earlier with 100～106 parts of base-materials, 20～30 parts of treated carbonatess, 25～60 parts of silicon powders and gas-phase silica join in the whipping appts for 4～6 parts and stir, vacuum tightness when the control whipping appts stirs, whipping temp, the stirring velocity of churning time and whipping appts, again with 11～15 parts of linking agents, 2～3 parts of silane coupling agents, 0.8～1.2 part of catalyst B and softening agent join in the whipping appts and then stirring for 5～8 parts, control and then the time of stirring and and then stirring velocity, then go out the whipping appts packing, obtain sealant for acrylic ester modified solar photovoltaic module.
In of the present invention and then specific embodiment, steps A) vacuum tightness described in is 0.08～0.095MPa, and described kneading temperature is 120-130 ℃, and the described kneading time is 120-150min, and described kneader is a vacuum kneader.
Of the present invention again more and in specific embodiment, step B) vacuum tightness described in is 0.08～0.095MPa, and described whipping temp is 100-130 ℃, and described churning time is 180-210min, and described stirring velocity is 300-550n/min; Described and then the time that stir is 60-100min, and then the speed that stirs is 300-550n/min, and described whipping appts is high speed dispersion stirrer or planetary mixer.
Technical scheme provided by the invention can suppress seeing through of water vapor effectively, the transmitance (g/m of water vapor
2D)＜1; Owing to adopted the propernoic acid ester modification, thereby in the solidification process and can not produce monomer after solidifying and separate out phenomenon; Weathering resistance and corrodibility ideal, immersion back draft intensity are at 1.85～1.95MPa, and thermal weight loss (%) 0.9～1.2 does not have be full of cracks and do not have efflorescence, solidify after 1 year not xanthochromia of outward appearance, storage time 〉=9 month.Preparation method's technology of recommending is terse, and is not harsh to processing requirement and equipment.
Embodiment
By the description of applicant to embodiment; to make technique effect of the present invention more become bright and clear; but embodiment is not the restriction to the present invention program, any according to the present invention program done only be form but not the variation of essence all should be considered as the protection domain that the present invention advocates.
In addition, the applicant should not be restricted listed inventories such as propernoic acid ester, catalyst A, catalyst B and linking agents in the above yet.
Embodiment 1:
A) produce base-material, by weight than or the umber that weighs with α, 90 parts of alpha, omega-dihydroxy polydimethyl siloxanes, 10 parts of methyl methacrylates and be that LGHC-A type tellurium cadmium mixed catalyst is that the defined catalyst A of the present invention joins in the vacuum kneader for 0.5 part and mediates preferably by Jiangsu Province, China Changshu Institute of Technology chemistry and the development of material engineering institute and the trade mark for sale, the vacuum degree control of vacuum kneader is that 0.085MPa, kneading temperature are controlled to be 120 ℃, the kneading time is controlled to be 120min, obtains 100.5 parts of base-materials;
B) produce seal gum, earlier will be by steps A) 100.5 parts of base-materials obtaining, be that 20 parts of the treated carbonatess of XL-3 type, 40 parts of silicon powders and the surface-area that grain diameter is 8～18 μ m are 150～200cm through the resin acid treatment and by the trade mark of power novel material company limited of Chinese Henan Province Henan section production and sales
3The untreated white carbon black of/g is that 4 parts of the defined gas-phase silicas of the present invention join in whipping appts such as the high speed dispersion formula stirrer and stir, vacuum degree control when stirrer stirs is 0.085MPa, whipping temp is 120 ℃, churning time is 180min, stirring velocity is 350n/min, get compound, after cooling, be 12 parts of methyl three isobutyl ketone oximino silanes again with linking agent, silane coupling agent is 3 parts of γ-An Bingjisanyiyangjiguiwans, catalyst B be 1 part of acid dibutyl tin and softening agent be methyl blocking and 25 ℃ the time viscosity be that 7 parts of the polydimethylsiloxanes of 0.5～20Pa.s join whipping appts and join in the aforesaid high speed dispersion formula stirrer with described compound and then stir, and then the time of stirring is 60min, and then the speed that stirs is 300n/min, then go out high speed dispersion formula stirrer packing, obtain sealant for acrylic ester modified solar photovoltaic module.
Embodiment 2:
A) produce base-material, by weight than or the umber that weighs with α, 90 parts of alpha, omega-dihydroxy polydimethyl siloxanes, methyl acrylate, ethyl propenoate, butyl acrylate was by 4: 4: 5 proportionings, amount to 13 parts and be that LGHC-A type tellurium cadmium mixed catalyst is that the defined catalyst A of the present invention joins in the vacuum kneader for 0.7 part and mediates preferably by Jiangsu Province, China Changshu Institute of Technology chemistry and the development of material engineering institute and the trade mark for sale, the vacuum degree control of vacuum kneader is 0.09MPa, mediate temperature and be controlled to be 130 ℃, the kneading time is controlled to be 150min, obtains 103.7 parts of base-materials;
B) produce seal gum, earlier will be by steps A) 103.7 parts of base-materials obtaining, be that 30 parts of the treated carbonatess of XL-3 type, 60 parts of silicon powders and the surface-area that grain diameter is 8～18 μ m are 150～200cm through the resin acid treatment and by the trade mark of power novel material company limited of Chinese Henan Province Henan section production and sales
3The untreated white carbon black of/g is that 5 parts of the defined gas-phase silicas of the present invention join in whipping appts such as the high speed dispersion formula stirrer and stir, vacuum degree control when stirrer stirs is 0.095MPa, whipping temp is 110 ℃, churning time is 200min, stirring velocity is 450n/min, get compound, after cooling, be 12 parts of vinyl three isobutyl ketone oximino silanes again with linking agent, silane coupling agent is γ-[2,3-epoxy third oxygen] 3 parts of propyl trimethoxy silicanes, catalyst B be 1 part of dibutyl tin acetate and softening agent be methyl blocking and 25 ℃ the time viscosity be that 8 parts of the polydimethylsiloxanes of 0.5～20Pa.s join whipping appts and join in the aforesaid high speed dispersion formula stirrer with described compound and then stir, and then the time of stirring is 80min, and then the speed that stirs is 400n/min, then go out high speed dispersion formula stirrer packing, obtain sealant for acrylic ester modified solar photovoltaic module.
Embodiment 3:
A) produce base-material, by weight than or the umber that weighs with α, 90 parts of alpha, omega-dihydroxy polydimethyl siloxanes, Jia Jibingxisuanyizhi, butyl methacrylate, glycidyl methacrylate was by 1: 1: 1 proportioning, amount to 12 parts and be that LGHC-A type tellurium cadmium mixed catalyst is that the defined catalyst A of the present invention joins in the vacuum kneader for 0.6 part and mediates preferably by Jiangsu Province, China Changshu Institute of Technology chemistry and the development of material engineering institute and the trade mark for sale, the vacuum degree control of vacuum kneader is 0.08MPa, mediate temperature and be controlled to be 125 ℃, the kneading time is controlled to be 145min, obtains 102.6 parts of base-materials;
B) produce seal gum, earlier will be by steps A) 102.6 parts of base-materials obtaining, be that 25 parts of the treated carbonatess of XL-3 type, 45 parts of silicon powders and the surface-area that grain diameter is 8～18 μ m are 150～200cm through the resin acid treatment and by the trade mark of power novel material company limited of Chinese Henan Province Henan section production and sales
3The untreated white carbon black of/g is that 4 parts of the defined gas-phase silicas of the present invention join in whipping appts such as the high speed dispersion formula stirrer and stir, vacuum degree control when stirrer stirs is 0.095MPa, whipping temp is 125 ℃, churning time is 210min, stirring velocity is 400n/min, get compound, after cooling, be 11 parts of methyl three isobutyl ketone oximino silanes again with linking agent, silane coupling agent is 1,2,2.8 parts of 5-(trimethoxy silicon propyl group) isocyanic ester, catalyst B be 0.8 part of dibutyl two stannous octoate and softening agent be methyl blocking and 25 ℃ the time viscosity be that 6 parts of the polydimethylsiloxanes of 0.5～20Pa.s join whipping appts and join in the aforesaid high speed dispersion formula stirrer with described compound and then stir, and then the time of stirring is 90min, and then the speed that stirs is 350n/min, then go out high speed dispersion formula stirrer packing, obtain sealant for acrylic ester modified solar photovoltaic module.
Embodiment 4:
A) produce base-material, by weight than or the umber that weighs with α, 90 parts of alpha, omega-dihydroxy polydimethyl siloxanes, Hydroxyethyl acrylate, ethyl acrylate was by 5: 6 proportionings, amount to 11 parts and be that LGHC-A type tellurium cadmium mixed catalyst is that the defined catalyst A of the present invention joins in the vacuum kneader for 0.8 part and mediates preferably by Jiangsu Province, China Changshu Institute of Technology chemistry and the development of material engineering institute and the trade mark for sale, the vacuum degree control of vacuum kneader is 0.095MPa, mediate temperature and be controlled to be 130 ℃, the kneading time is controlled to be 140min, obtains 101.8 parts of base-materials;
B) produce seal gum, earlier will be by steps A) 101.8 parts of base-materials obtaining, be that 26 parts of the treated carbonatess of XL-3 type, 35 parts of silicon powders and the surface-area that grain diameter is 8～18 μ m are 150～200cm through the resin acid treatment and by the trade mark of power novel material company limited of Chinese Henan Province Henan section production and sales
3The untreated white carbon black of/g is that 4.5 parts of the defined gas-phase silicas of the present invention join in whipping appts such as the high speed dispersion formula stirrer and stir, vacuum degree control when stirrer stirs is 0.08MPa, whipping temp is 115 ℃, churning time is 190min, stirring velocity is 500n/min, get compound, after cooling, be 13 parts of vinyl three isobutyl ketone oximino silanes again with linking agent, silane coupling agent is γ-[2,3-epoxy third oxygen] 2.5 parts of propyl trimethoxy silicanes, catalyst B be 1.1 parts of stannous octoates and softening agent be methyl blocking and 25 ℃ the time viscosity be that 5 parts of the polydimethylsiloxanes of 0.5～20Pa.s join whipping appts and join in the aforesaid high speed dispersion formula stirrer with described compound and then stir, and then the time of stirring is 100min, and then the speed that stirs is 550n/min, then go out high speed dispersion formula stirrer packing, obtain sealant for acrylic ester modified solar photovoltaic module.
Embodiment 5:
A) produce base-material, by weight than or the umber that weighs with α, 90 parts of alpha, omega-dihydroxy polydimethyl siloxanes, Hydroxyethyl acrylate, ethyl acrylate, methyl methacrylate, Jia Jibingxisuanyizhi was by 3: 4: 5: 3 proportionings, amount to 15 parts and be that LGHC-A type tellurium cadmium mixed catalyst is that the defined catalyst A of the present invention joins in the vacuum kneader for 0.7 part and mediates preferably by Jiangsu Province, China Changshu Institute of Technology chemistry and the development of material engineering institute and the trade mark for sale, the vacuum degree control of vacuum kneader is 0.085MPa, mediate temperature and be controlled to be 125 ℃, the kneading time is controlled to be 130min, obtains 105.7 parts of base-materials;
B) produce seal gum, earlier will be by steps A) 105.7 parts of base-materials obtaining, be that 28 parts of the treated carbonatess of XL-3 type, 25 parts of silicon powders and the surface-area that grain diameter is 8～18 μ m are 150～200cm through the resin acid treatment and by the trade mark of power novel material company limited of Chinese Henan Province Henan section production and sales
3The untreated white carbon black of/g is that 5 parts of the defined gas-phase silicas of the present invention join in whipping appts such as the high speed dispersion formula stirrer and stir, vacuum degree control when stirrer stirs is 0.095MPa, whipping temp is 130 ℃, churning time is 195min, stirring velocity is 550n/min, get compound, after cooling, be 14 parts of methyl three isobutyl ketone oximino silanes again with linking agent, silane coupling agent is 1,2,3 parts of 5-(trimethoxy silicon propyl group) isocyanic ester, catalyst B be 0.9 part of dibutyl tin acetate and softening agent be methyl blocking and 25 ℃ the time viscosity be that 6 parts of the polydimethylsiloxanes of 0.5～20Pa.s join whipping appts and join in the aforesaid high speed dispersion formula stirrer with described compound and then stir, and then the time of stirring is 75min, and then the speed that stirs is 500n/min, then go out high speed dispersion formula stirrer packing, obtain sealant for acrylic ester modified solar photovoltaic module.
Comparative example 1:
With thermal silica 120 ℃ of drying and dewaterings 2 hours; With structure be
The α of n=1200,100 parts of ω--dialkyl polydimethylsiloxanes, 30 parts of treated carbonatess, 40 parts of silicon powders add in the vacuum kneader, are 0.09MPa in 150 ℃ of temperature, vacuum tightness, dehydration blend 120 minutes, cooling obtains base-material.At room temperature, again with 1 part of gas-phase silica, 5 parts of methyl three isobutyl ketone oximino silanes, 5 parts of vinyl three isobutyl ketone oximino silanes, γ-[2,3-epoxy third oxygen] 0.5 part of propyl trimethoxy silicane, 0.5 part of γ-An Bingjisanyiyangjiguiwan, 1,2,0.5 part of 5-(trimethoxy silicon propyl group) isocyanic ester, 1.2 parts of dibutyl tin dilaurates, caking ability is 10 parts of the polydimethylsiloxanes of the molecular end methyl of 1Pa.s in the time of 25 ℃, adds and is equipped with in the high speed dispersion stirrer or planetary mixer of base-material, in vacuum tightness 0.09Mpa, rotating speed 450rpm stirring reaction 120 minutes, the single-component silicone fluid sealant that obtains being used for solar module shows.
Comparative example 2:
With thermal silica 120 ℃ of drying and dewaterings 2 hours; With structure be
The α of n=100,100 parts of ω--dialkyl polydimethylsiloxanes, 40 parts of treated carbonatess, 30 parts of silicon powders add in the vacuum kneader, are 0.07MPa in 150 ℃ of temperature, vacuum tightness, dehydration blend 120 minutes, cooling obtains base-material.At room temperature, again with 3 parts of gas-phase silicas, 12 parts of methyl three isobutyl ketone oximino silanes, 5 parts of vinyl three isobutyl ketone oximino silanes, 0.5 part of γ-An Bingjisanjiayangjiguiwan, 3 parts of γ-An Bingjisanyiyangjiguiwans, 1,2,5 parts of 5-(trimethoxy silicon propyl group) isocyanic ester, 1 part of dibutyl tin dilaurate, caking ability is 5 parts of the polydimethylsiloxanes of the molecular end methyl of 0.5Pa.s in the time of 25 ℃, add and be equipped with in the high speed dispersion stirrer or planetary mixer of base-material, in vacuum tightness 0.09Mpa, rotating speed 450rpm stirring reaction 120 minutes obtains being used for the single-component silicone fluid sealant of solar module.
Press CNS GB/T13477 test by the technical indicator of the resulting sealant for acrylic ester modified solar photovoltaic module of the foregoing description 1-5 as: sag, extrudability, surface drying time, shore hardness, bond failure area and thermal ageing; Tensile strength is pressed CNS GB/T528 sample preparation and test; Gentle ultraviolet ray of height and immersion treatment process are pressed CNS GB/T13477 test; The water vapor permeation rate is pressed the JC/T486 test; Anti-xanthochromia test is judged by the GB/T9395 test back and the sample appearance contrast that keeps sample.Above-mentioned all technical indicators are by shown in the following table.The result has shown the technique effect that obviously is better than comparative example 1 and 2.
Claims (10)
1. sealant for acrylic ester modified solar photovoltaic module is characterized in that it is that raw material by following weight part ratio constitutes:
α, 90 parts of alpha, omega-dihydroxy polydimethyl siloxanes;
10～15 parts of acrylate;
0.5～0.8 part of catalyst A;
0.8～1.2 part of catalyst B;
20～30 parts of treated carbonatess;
25～60 parts of silicon powders;
4～6 parts of gas-phase silicas;
11～15 parts of linking agents;
2～3 parts of silane coupling agents;
5～8 parts in softening agent.
2. sealant for acrylic ester modified solar photovoltaic module according to claim 1 is characterized in that described acrylate is any one or more than one the combination in methyl acrylate, ethyl propenoate, butyl acrylate, Hydroxyethyl acrylate, ethyl acrylate, methyl methacrylate, Jia Jibingxisuanyizhi, butyl methacrylate and the glycidyl methacrylate.
3. sealant for acrylic ester modified solar photovoltaic module according to claim 1 is characterized in that described catalyst A is the mixture of tellurium and cadmium; And described catalyst B is dibutyl tin dilaurate, dibutyl tin acetate, dibutyl two stannous octoates or stannous octoate.
4. sealant for acrylic ester modified solar photovoltaic module according to claim 1 is characterized in that described treated carbonates is the acid-treated treated carbonates of process resin.
5. sealant for acrylic ester modified solar photovoltaic module according to claim 1, the particle diameter that it is characterized in that described silicon powder are 8-18 μ m; Described gas-phase silica is that surface-area is 150-200cm
3The gas-phase silica that is untreated of/g; Described linking agent is methyl three isobutyl ketone oximino silanes or vinyl three isobutyl ketone oximino silanes.
6. sealant for acrylic ester modified solar photovoltaic module according to claim 1, it is characterized in that described silane coupling agent is γ-[2,3-epoxy third oxygen] propyl trimethoxy silicane, γ-An Bingjisanyiyangjiguiwan, 1,2,5-(trimethoxy silicon propyl group) isocyanic ester.
7. sealant for acrylic ester modified solar photovoltaic module according to claim 1 is characterized in that described softening agent is methyl blocking and viscosity 25 ℃ the time are the polydimethylsiloxane of 0.5～20Pa.s.
8. the preparation method of a sealant for acrylic ester modified solar photovoltaic module as claimed in claim 1 is characterized in that this method may further comprise the steps:
A) produce base-material, with α, 90 parts of alpha, omega-dihydroxy polydimethyl siloxanes, 10～15 parts of acrylate and catalyst A join in the vacuum kneader for 0.5～0.8 part mediates, and the vacuum tightness of control vacuum kneader, kneading temperature and kneading time, obtains base-material;
B) produce seal gum, earlier with 100～106 parts of base-materials, 20～30 parts of treated carbonatess, 25～60 parts of silicon powders and gas-phase silica join in the whipping appts for 4～6 parts and stir, vacuum tightness when the control whipping appts stirs, whipping temp, the stirring velocity of churning time and whipping appts, again with 11～15 parts of linking agents, 2～3 parts of silane coupling agents, 0.8～1.2 part of catalyst B and softening agent join in the whipping appts and then stirring for 5～8 parts, control and then the time of stirring and and then stirring velocity, then go out the whipping appts packing, obtain sealant for acrylic ester modified solar photovoltaic module.
9. the preparation method of sealant for acrylic ester modified solar photovoltaic module according to claim 8, it is characterized in that steps A) described in vacuum tightness be 0.08～0.095MPa, described kneading temperature is 120-130 ℃, the described kneading time is 120-150min, and described kneader is a vacuum kneader.
10. the preparation method of sealant for acrylic ester modified solar photovoltaic module according to claim 8, it is characterized in that step B) described in vacuum tightness be 0.08～0.095MPa, described whipping temp is 100-130 ℃, described churning time is 180-210min, and described stirring velocity is 300-550n/min; Described and then the time that stir is 60-100min, and then the speed that stirs is 300-550n/min, and described whipping appts is high speed dispersion stirrer or planetary mixer.
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| CN201010130220A CN101792653B (en) | 2010-03-19 | 2010-03-19 | Sealant for acrylic ester modified solar photovoltaic module and preparation method thereof |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014015557A (en) * | 2012-07-10 | 2014-01-30 | Shin Etsu Chem Co Ltd | Room temperature curable organopolysiloxane composition |
| CN103571358A (en) * | 2012-08-03 | 2014-02-12 | 琳得科株式会社 | Protective film |
| CN103805104A (en) * | 2014-02-24 | 2014-05-21 | 深圳市宝骏环保涂料有限公司 | One-component acrylic acid water-based ultralow-temperature sealant and production method |
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| CN104629630A (en) * | 2015-01-23 | 2015-05-20 | 朱小英 | Sealant for hollow glass |
| CN104774562A (en) * | 2015-03-18 | 2015-07-15 | 缪卫巍 | Waterproof sealant for photovoltaic modules |
| CN104774563A (en) * | 2015-03-18 | 2015-07-15 | 缪卫巍 | Preparation method of waterproof sealant for photovoltaic modules |
| CN104893652A (en) * | 2015-06-29 | 2015-09-09 | 胡天力 | High-temperature-resistant chemical-corrosion-resistant silicon rubber adhesive and preparation method thereof |
| CN104927727A (en) * | 2015-07-06 | 2015-09-23 | 王舒怡 | Structural sealant for glass curtain walls and preparation method for structural sealant |
| CN108047968A (en) * | 2017-12-04 | 2018-05-18 | 杭州福斯特应用材料股份有限公司 | A kind of high volume resistivity structural silicone adhesive of low modulus |
| CN112662319A (en) * | 2020-12-22 | 2021-04-16 | 湖南梵鑫科技有限公司 | Sealant with good wettability for electronic equipment and preparation method thereof |
| CN115287036A (en) * | 2022-08-17 | 2022-11-04 | 郑州轻大产业技术研究院有限公司 | Organosilicon sealant and production process thereof |
| CN117683482A (en) * | 2023-11-17 | 2024-03-12 | 佛山市亿达胶粘制品有限公司 | Low-temperature-resistant aqueous acrylic ester pressure-sensitive adhesive, preparation method thereof and adhesive tape |
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Cited By (19)
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| JP2014015557A (en) * | 2012-07-10 | 2014-01-30 | Shin Etsu Chem Co Ltd | Room temperature curable organopolysiloxane composition |
| CN103571358A (en) * | 2012-08-03 | 2014-02-12 | 琳得科株式会社 | Protective film |
| CN103805104A (en) * | 2014-02-24 | 2014-05-21 | 深圳市宝骏环保涂料有限公司 | One-component acrylic acid water-based ultralow-temperature sealant and production method |
| CN104356982A (en) * | 2014-11-13 | 2015-02-18 | 无锡中洁能源技术有限公司 | Solar cell back panel insulating rubber and preparation method thereof |
| CN104629630A (en) * | 2015-01-23 | 2015-05-20 | 朱小英 | Sealant for hollow glass |
| CN104774562A (en) * | 2015-03-18 | 2015-07-15 | 缪卫巍 | Waterproof sealant for photovoltaic modules |
| CN104774563A (en) * | 2015-03-18 | 2015-07-15 | 缪卫巍 | Preparation method of waterproof sealant for photovoltaic modules |
| CN104893652B (en) * | 2015-06-29 | 2017-07-07 | 胡天力 | A kind of high temperature resistant silicone rubber adhesive resistant to chemical etching and preparation method thereof |
| CN104893652A (en) * | 2015-06-29 | 2015-09-09 | 胡天力 | High-temperature-resistant chemical-corrosion-resistant silicon rubber adhesive and preparation method thereof |
| CN104927727A (en) * | 2015-07-06 | 2015-09-23 | 王舒怡 | Structural sealant for glass curtain walls and preparation method for structural sealant |
| WO2017005073A1 (en) * | 2015-07-06 | 2017-01-12 | 梁怡芃 | Structural sealant for glass curtain wall and preparation method therefor |
| CN108047968A (en) * | 2017-12-04 | 2018-05-18 | 杭州福斯特应用材料股份有限公司 | A kind of high volume resistivity structural silicone adhesive of low modulus |
| CN108047968B (en) * | 2017-12-04 | 2020-06-16 | 杭州福斯特应用材料股份有限公司 | Low-modulus high-volume-resistivity silicone structural adhesive |
| CN112662319A (en) * | 2020-12-22 | 2021-04-16 | 湖南梵鑫科技有限公司 | Sealant with good wettability for electronic equipment and preparation method thereof |
| CN112662319B (en) * | 2020-12-22 | 2022-11-22 | 湖南梵鑫科技有限公司 | Sealant with good wettability for electronic equipment and preparation method thereof |
| CN115287036A (en) * | 2022-08-17 | 2022-11-04 | 郑州轻大产业技术研究院有限公司 | Organosilicon sealant and production process thereof |
| CN115287036B (en) * | 2022-08-17 | 2023-11-24 | 郑州轻大产业技术研究院有限公司 | Organosilicon sealant and production process thereof |
| CN117683482A (en) * | 2023-11-17 | 2024-03-12 | 佛山市亿达胶粘制品有限公司 | Low-temperature-resistant aqueous acrylic ester pressure-sensitive adhesive, preparation method thereof and adhesive tape |
| CN117683482B (en) * | 2023-11-17 | 2024-05-28 | 佛山市亿达胶粘制品有限公司 | Low-temperature-resistant aqueous acrylic ester pressure-sensitive adhesive, preparation method thereof and adhesive tape |
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