CN114171617A - Double-glass assembly preventing water vapor from entering - Google Patents

Double-glass assembly preventing water vapor from entering Download PDF

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Publication number
CN114171617A
CN114171617A CN202111392109.0A CN202111392109A CN114171617A CN 114171617 A CN114171617 A CN 114171617A CN 202111392109 A CN202111392109 A CN 202111392109A CN 114171617 A CN114171617 A CN 114171617A
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parts
adhesive
solar cell
antioxidant
stirring
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CN202111392109.0A
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CN114171617B (en
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朱靖
郑玉国
黄明
黎小英
刘天国
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Jiangxi Renjiang Technology Co ltd
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Jiangxi Renjiang Technology Co ltd
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/042—PV modules or arrays of single PV cells
    • H01L31/048—Encapsulation of modules
    • H01L31/0488—Double glass encapsulation, e.g. photovoltaic cells arranged between front and rear glass sheets
    • 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
    • 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
    • C09J129/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Adhesives based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Adhesives based on derivatives of such polymers
    • C09J129/02—Homopolymers or copolymers of unsaturated alcohols
    • C09J129/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/02—Details
    • H01L31/0203—Containers; Encapsulations, e.g. encapsulation of photodiodes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • 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

Abstract

The invention discloses a double-glass assembly preventing water vapor from entering, which belongs to the technical field of double-glass assemblies and comprises a solar cell and a side sealing frame, wherein a first packaging glass and a second packaging glass are respectively arranged above and below the solar cell, a sealing adhesive layer is arranged between the solar cell and the first packaging glass and between the solar cell and the second packaging glass, four sides of the sealing adhesive layer are connected with the inner wall of the side sealing frame, the sealing adhesive layer is prepared by mixing an adhesive, an antioxidant and a corrosion resisting agent, and the adhesive comprises polyvinyl acetate, polyvinyl alcohol, polyisobutylene and polyester; the self-made sealing adhesive layer has strong oxidation resistance and corrosion resistance, and can be used for sealing the dual-glass assembly, so that water vapor can be prevented from entering for a long time, and the solar cell sheet can be effectively protected for a long time.

Description

Double-glass assembly preventing water vapor from entering
Technical Field
The invention relates to the technical field of double-glass assemblies, in particular to a double-glass assembly preventing water vapor from entering.
Background
After the existing double-glass assembly is used for a certain time, water vapor easily permeates into the double-glass assembly from the adhesive film between the gaps, so that the water vapor enters the solar cell and the solar cell is aged. Moreover, with the increase of the service time and the aging of the adhesive film, water vapor can more easily permeate into the solar cell through the adhesive film, so that the solar cell is aged and a vicious circle is formed. Based on this, how to prevent that vapour from getting into dual glass assembly has become the problem that awaits a urgent solution, for this reason we propose the dual glass assembly that vapour got into.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a double-glass assembly preventing water vapor from entering, overcomes the defects of the prior art and aims to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a double glass assembly that vapor got into, includes solar wafer and side seal frame, solar wafer's top and below are equipped with encapsulation glass one and encapsulation glass two respectively, be equipped with the sealant layer between solar wafer and the encapsulation glass one and between solar wafer and the encapsulation glass two, four sides and the inner wall of side seal frame of sealant layer are connected, the sealant layer is made through gluing agent, antioxidant, corrosion resisting agent mixture, the gluing agent includes polyvinyl acetate, polyvinyl alcohol, polyisobutylene, polyester, the antioxidant includes epoxy, cross-linking agent, acetic acid, polyvinyl alcohol, corrosion resisting agent includes dioctyl phthalate, polyethylene glycol, stearic acid, polyoxypropylene polyoxyethylene glyceryl ether, polydimethyl siloxane.
As a preferred technical scheme of the invention, the adhesive, the oxidant and the corrosion resistant agent of the sealing adhesive layer have the weight ratio of 2: 1: 1.
as a preferable technical scheme of the invention, the adhesive comprises the following raw materials in parts by weight: 4-15 parts of polyvinyl acetate, 2-7 parts of polyvinyl alcohol, 4-8 parts of polyisobutylene and 3-9 parts of polyester.
As a preferable technical scheme of the invention, the antioxidant comprises the following raw materials in parts by weight: 8-17 parts of epoxy resin, 2-7 parts of cross-linking agent, 7-9 parts of acetic acid and 8-11 parts of polyvinyl alcohol.
As a preferable technical scheme of the invention, the cross-linking agent is any one of epichlorohydrin, resorcinol diglycidyl ether and neopentyl glycol diglycidyl ether.
As a preferred technical scheme of the invention, the corrosion-resistant agent comprises the following raw materials in parts by weight: 3-7 parts of dioctyl phthalate, 2-6 parts of polyethylene glycol, 4-8 parts of stearic acid, 2-5 parts of polyoxypropylene polyoxyethylene glycerol ether and 3-8 parts of polydimethylsiloxane.
As a preferable technical scheme, the preparation method of the sealant layer comprises the following steps:
s1, preparing an adhesive: uniformly mixing polyvinyl acetate and polyvinyl alcohol, stirring at normal temperature, adding polyisobutylene and polyester, heating and stirring to obtain an adhesive;
s2, antioxidant preparation: mixing epoxy resin, cross-linking agent, acetic acid and polyvinyl alcohol, heating to 60-110 deg.C, stirring for 20-40min, and cooling to obtain antioxidant;
s3, corrosion-resistant agent preparation: uniformly mixing dioctyl phthalate, polyethylene glycol and stearic acid to prepare a mixed solution A, mixing polyoxypropylene polyoxyethylene glyceryl ether and polydimethylsiloxane, heating and uniformly stirring to prepare a mixed solution B, adding the mixed solution A into the mixed solution B, heating to 110-;
s4, mixing the adhesive, the antioxidant and the corrosion resistant agent prepared in the above steps according to the weight ratio of 2: uniformly mixing the components in a ratio of 1:1 to obtain a sealant, and coating the sealant in a gap between the solar cell and the first packaging glass and the second packaging glass to obtain a sealant layer.
As a preferred technical scheme of the invention, in step S1, stirring and mixing are carried out by a stirrer, wherein the stirring speed is 220-.
The invention has the beneficial effects that:
the self-made antioxidant is prepared by mixing epoxy resin, a cross-linking agent, acetic acid and polyvinyl alcohol, has good oxidation resistance, is prepared into a mixed solution by uniformly mixing dioctyl phthalate, polyethylene glycol and stearic acid, is subjected to heating reaction with a mixed solution of polyoxypropylene polyoxyethylene glycerol ether and polydimethylsiloxane, is self-made corrosion resistant agent, has the performance of resisting corrosion of an acid-base solution, is prepared by uniformly mixing polyvinyl acetate and polyvinyl alcohol, stirring at normal temperature, adding polyisobutylene and polyester, heating and stirring, is self-made adhesive for sealing, is used as a raw material of a sealing adhesive layer by mixing the prepared corrosion resistant agent, the prepared corrosion resistant agent and the prepared adhesive, has good sealing performance, has strong oxidation resistance and corrosion resistance, prolongs the service life of the sealing adhesive layer, and improves the service life of the sealing adhesive layer, the gap between the two glasses is sealed and sealed through the sealing adhesive layer, so that water vapor can be prevented from entering for a long time, and the solar cell slice can be effectively protected for a long time.
The self-made sealing adhesive layer has strong oxidation resistance and corrosion resistance, and can be used for sealing the dual-glass assembly, so that water vapor can be prevented from entering for a long time, and the solar cell sheet can be effectively protected for a long time.
Drawings
FIG. 1 is a schematic cross-sectional side view of the present invention;
FIG. 2 is a schematic view of the side seal frame etching structure of the present invention.
In the figure: 1. a solar cell sheet; 2. packaging the first glass; 3. packaging glass II; 4. sealing the adhesive layer; 5. and (6) side sealing frames.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-2, a dual glass assembly that vapour got into, including solar wafer 1 and side seal frame 5, solar wafer 1's top and below are equipped with encapsulation glass 2 and encapsulation glass two 3 respectively, be equipped with sealant layer 4 between solar wafer 1 and the encapsulation glass 2 and between solar wafer 1 and the encapsulation glass two 3, four sides of sealant layer 4 and the inner wall connection of side seal frame 5, sealant layer 4 is made through gluing agent, antioxidant, corrosion resisting agent mixture, the gluing agent of sealant layer 4, oxidant, the weight part ratio of corrosion resisting agent is 2: 1:1, the adhesive comprises the following raw materials in parts by weight: 4 parts of polyvinyl acetate, 2 parts of polyvinyl alcohol, 4 parts of polyisobutylene and 3 parts of polyester, wherein the antioxidant comprises the following raw materials in parts by weight: 8 parts of epoxy resin, 2 parts of cross-linking agent, 7 parts of acetic acid and 8 parts of polyvinyl alcohol, wherein the corrosion-resistant agent comprises the following raw materials in parts by weight: 3 parts of dioctyl phthalate, 2 parts of polyethylene glycol, 4 parts of stearic acid, 2 parts of polyoxypropylene polyoxyethylene glycerol ether, 3 parts of polydimethylsiloxane and a crosslinking agent of epoxy chloropropane.
The preparation method of the sealant layer 4 comprises the following specific steps:
s1, preparing an adhesive: uniformly mixing polyvinyl acetate and polyvinyl alcohol, stirring at normal temperature, adding polyisobutylene and polyester, heating and stirring, and stirring and mixing by using a stirrer, wherein the stirring speed is 220rad/min, and the stirring time is 10min to obtain the adhesive;
s2, antioxidant preparation: mixing epoxy resin, cross-linking agent, acetic acid and polyvinyl alcohol, heating to 60 ℃, stirring for 20min, and cooling to obtain antioxidant;
s3, corrosion-resistant agent preparation: uniformly mixing dioctyl phthalate, polyethylene glycol and stearic acid to prepare a mixed solution A, mixing polyoxypropylene polyoxyethylene glycerol ether and polydimethylsiloxane, heating and uniformly stirring to prepare a mixed solution B, adding the mixed solution A into the mixed solution B, heating to 110 ℃, and stirring for 1h to obtain the corrosion-resistant agent;
s4, mixing the adhesive, the antioxidant and the corrosion resistant agent prepared in the above steps according to the weight ratio of 2: uniformly mixing the components in a ratio of 1:1 to obtain a sealant, and coating the sealant in a gap between the solar cell 1 and the first packaging glass 2 and the second packaging glass 3 to obtain a sealant layer.
Example two
Referring to fig. 1-2, a dual glass assembly that vapour got into, including solar wafer 1 and side seal frame 5, solar wafer 1's top and below are equipped with encapsulation glass 2 and encapsulation glass two 3 respectively, be equipped with sealant layer 4 between solar wafer 1 and the encapsulation glass 2 and between solar wafer 1 and the encapsulation glass two 3, four sides of sealant layer 4 and the inner wall connection of side seal frame 5, sealant layer 4 is made through gluing agent, antioxidant, corrosion resisting agent mixture, the gluing agent of sealant layer 4, oxidant, the weight part ratio of corrosion resisting agent is 2: 1:1, the adhesive comprises the following raw materials in parts by weight: 10 parts of polyvinyl acetate, 5 parts of polyvinyl alcohol, 6 parts of polyisobutylene and 6 parts of polyester, wherein the antioxidant comprises the following raw materials in parts by weight: 13 parts of epoxy resin, 5 parts of cross-linking agent, 8 parts of acetic acid and 10 parts of polyvinyl alcohol, wherein the corrosion-resistant agent comprises the following raw materials in parts by weight: 5 parts of dioctyl phthalate, 4 parts of polyethylene glycol, 6 parts of stearic acid, 4 parts of polyoxypropylene polyoxyethylene glycerol ether and 6 parts of polydimethylsiloxane.
The preparation method of the sealant layer 4 comprises the following specific steps:
s1, preparing an adhesive: uniformly mixing polyvinyl acetate and polyvinyl alcohol, stirring at normal temperature, adding polyisobutylene and polyester, heating and stirring, and stirring and mixing by using a stirrer, wherein the stirring speed is 240rad/min, and the stirring time is 15min to obtain the adhesive;
s2, antioxidant preparation: mixing epoxy resin, cross-linking agent, acetic acid and polyvinyl alcohol, heating to 85 deg.C, stirring for 30min, and cooling to obtain antioxidant;
s3, corrosion-resistant agent preparation: uniformly mixing dioctyl phthalate, polyethylene glycol and stearic acid to prepare a mixed solution A, mixing polyoxypropylene polyoxyethylene glycerol ether and polydimethylsiloxane, heating and uniformly stirring to prepare a mixed solution B, adding the mixed solution A into the mixed solution B, heating to 120 ℃, and stirring for 1.5 hours to obtain the corrosion-resistant agent;
s4, mixing the adhesive, the antioxidant and the corrosion resistant agent prepared in the above steps according to the weight ratio of 2: uniformly mixing the components in a ratio of 1:1 to obtain a sealant, and coating the sealant in a gap between the solar cell 1 and the first packaging glass 2 and the second packaging glass 3 to obtain a sealant layer.
In this example, the crosslinker is resorcinol diglycidyl ether.
EXAMPLE III
Referring to fig. 1-2, a dual glass assembly that vapour got into, including solar wafer 1 and side seal frame 5, solar wafer 1's top and below are equipped with encapsulation glass 2 and encapsulation glass two 3 respectively, be equipped with sealant layer 4 between solar wafer 1 and the encapsulation glass 2 and between solar wafer 1 and the encapsulation glass two 3, four sides of sealant layer 4 and the inner wall connection of side seal frame 5, sealant layer 4 is made through gluing agent, antioxidant, corrosion resisting agent mixture, the gluing agent of sealant layer 4, oxidant, the weight part ratio of corrosion resisting agent is 2: 1:1, the adhesive comprises the following raw materials in parts by weight: 15 parts of polyvinyl acetate, 7 parts of polyvinyl alcohol, 8 parts of polyisobutylene and 9 parts of polyester, wherein the antioxidant comprises the following raw materials in parts by weight: 817 parts of epoxy resin, 7 parts of cross-linking agent, 9 parts of acetic acid and 11 parts of polyvinyl alcohol, wherein the corrosion-resistant agent comprises the following raw materials in parts by weight: 7 parts of dioctyl phthalate, 6 parts of polyethylene glycol, 8 parts of stearic acid, 5 parts of polyoxypropylene polyoxyethylene glycerol ether, 8 parts of polydimethylsiloxane, and a cross-linking agent of neopentyl glycol diglycidyl ether.
The preparation method of the sealant layer 4 comprises the following specific steps:
s1, preparing an adhesive: uniformly mixing polyvinyl acetate and polyvinyl alcohol, stirring at normal temperature, adding polyisobutylene and polyester, heating and stirring, and stirring and mixing by using a stirrer, wherein the stirring speed is 260rad/min, and the stirring time is 20min to obtain the adhesive;
s2, antioxidant preparation: mixing epoxy resin, cross-linking agent, acetic acid and polyvinyl alcohol, heating to 110 ℃, stirring for 40min, and cooling to obtain an antioxidant;
s3, corrosion-resistant agent preparation: uniformly mixing dioctyl phthalate, polyethylene glycol and stearic acid to prepare a mixed solution A, mixing polyoxypropylene polyoxyethylene glycerol ether and polydimethylsiloxane, heating and uniformly stirring to prepare a mixed solution B, adding the mixed solution A into the mixed solution B, heating to 130 ℃, and stirring for 2 hours to obtain the corrosion-resistant agent;
s4, mixing the adhesive, the antioxidant and the corrosion resistant agent prepared in the above steps according to the weight ratio of 2: uniformly mixing the components in a ratio of 1:1 to obtain a sealant, and coating the sealant in a gap between the solar cell 1 and the first packaging glass 2 and the second packaging glass 3 to obtain a sealant layer.
The self-made antioxidant is prepared by mixing epoxy resin, a cross-linking agent, acetic acid and polyvinyl alcohol, has good oxidation resistance, is prepared into a mixed solution by uniformly mixing dioctyl phthalate, polyethylene glycol and stearic acid, is subjected to heating reaction with a mixed solution of polyoxypropylene polyoxyethylene glycerol ether and polydimethylsiloxane, is self-made corrosion resistant agent, has the performance of resisting corrosion of an acid-base solution, is prepared by uniformly mixing polyvinyl acetate and polyvinyl alcohol, stirring at normal temperature, adding polyisobutylene and polyester, heating and stirring, is self-made adhesive for sealing, is used as a raw material of a sealing adhesive layer by mixing the prepared corrosion resistant agent, the prepared corrosion resistant agent and the prepared adhesive, has good sealing performance, has strong oxidation resistance and corrosion resistance, prolongs the service life of the sealing adhesive layer, and improves the service life of the sealing adhesive layer, the gap between the two glasses is sealed and sealed through the sealing adhesive layer, so that water vapor can be prevented from entering for a long time, and the solar cell slice can be effectively protected for a long time.
Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The double-glass assembly capable of preventing water vapor from entering comprises a solar cell (1) and a side sealing frame (5), and is characterized in that a first packaging glass (2) and a second packaging glass (3) are respectively arranged above and below the solar cell (1), a sealing adhesive layer (4) is arranged between the solar cell (1) and the first packaging glass (2) and between the solar cell (1) and the second packaging glass (3), four sides of the sealing adhesive layer (4) are connected with the inner wall of the side sealing frame (5), the sealing adhesive layer (4) is prepared by mixing an adhesive, an antioxidant and a corrosion resisting agent, the adhesive comprises polyvinyl acetate, polyvinyl alcohol, polyisobutylene and polyester, the antioxidant comprises epoxy resin, a cross-linking agent, acetic acid and polyvinyl alcohol, and the corrosion resisting agent comprises dioctyl phthalate, polyethylene glycol, and a polyvinyl acetate, polyethylene glycol, and a polyvinyl acetate, wherein the like, Stearic acid, polyoxypropylene polyoxyethylene glyceryl ether and polydimethylsiloxane.
2. The dual glass assembly preventing water vapor from entering according to claim 1, wherein the adhesive, the oxidant and the corrosion resistant agent of the sealant layer (4) are, in parts by weight, 2: 1: 1.
3. the dual glass assembly preventing water vapor from entering according to claim 2, wherein the adhesive comprises the following raw materials in parts by weight: 4-15 parts of polyvinyl acetate, 2-7 parts of polyvinyl alcohol, 4-8 parts of polyisobutylene and 3-9 parts of polyester.
4. The dual glass assembly resistant to the ingress of water vapor according to claim 3, wherein the antioxidant comprises the following raw materials in parts by weight: 8-17 parts of epoxy resin, 2-7 parts of cross-linking agent, 7-9 parts of acetic acid and 8-11 parts of polyvinyl alcohol.
5. The dual glass assembly resistant to the ingress of moisture of claim 4, wherein the cross-linking agent is any of epichlorohydrin, resorcinol diglycidyl ether, neopentyl glycol diglycidyl ether.
6. The dual glass assembly resistant to the ingress of water and vapor as recited in claim 1, wherein the corrosion resistant agent comprises the following raw materials in parts by weight: 3-7 parts of dioctyl phthalate, 2-6 parts of polyethylene glycol, 4-8 parts of stearic acid, 2-5 parts of polyoxypropylene polyoxyethylene glycerol ether and 3-8 parts of polydimethylsiloxane.
7. The dual glass assembly preventing water vapor from entering according to claim 6, comprising a preparation method of the sealant layer (4), comprising the following specific steps:
s1, preparing an adhesive: uniformly mixing polyvinyl acetate and polyvinyl alcohol, stirring at normal temperature, adding polyisobutylene and polyester, heating and stirring to obtain an adhesive;
s2, antioxidant preparation: mixing epoxy resin, cross-linking agent, acetic acid and polyvinyl alcohol, heating to 60-110 deg.C, stirring for 20-40min, and cooling to obtain antioxidant;
s3, corrosion-resistant agent preparation: uniformly mixing dioctyl phthalate, polyethylene glycol and stearic acid to prepare a mixed solution A, mixing polyoxypropylene polyoxyethylene glyceryl ether and polydimethylsiloxane, heating and uniformly stirring to prepare a mixed solution B, adding the mixed solution A into the mixed solution B, heating to 110-;
s4, mixing the adhesive, the antioxidant and the corrosion resistant agent prepared in the above steps according to the weight ratio of 2: uniformly mixing the components in a ratio of 1:1 to obtain a sealant, and coating the sealant in a gap between the solar cell (1) and the first (2) and the second (3) packaging glass to obtain a sealant layer.
8. The dual glass assembly of claim 7, wherein in step S1, the stirring is performed by a stirrer at a rotation speed of 220 and 260rad/min for a period of 10-20 min.
CN202111392109.0A 2021-11-19 2021-11-19 Double-glass assembly capable of preventing water vapor from entering Active CN114171617B (en)

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US20180034010A1 (en) * 2016-07-28 2018-02-01 Nan Ya Plastics Corporation Aluminum plastic film packaging material for use in lithium battery to prolong service life
CN110172209A (en) * 2019-04-17 2019-08-27 深圳市深捷通管业发展有限公司 A kind of high fire-retardant MPP bellows of heat dissipation corrosion resistant type and preparation method thereof
CN110854225A (en) * 2018-07-25 2020-02-28 比亚迪股份有限公司 Double-glass photovoltaic assembly
CN111662586A (en) * 2020-07-01 2020-09-15 共享智能铸造产业创新中心有限公司 Composite modified resin adhesive and preparation method thereof

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070160781A1 (en) * 2006-01-09 2007-07-12 Landon Shayne J Insulated glass unit possessing room temperature-curable siloxane-containing composition of reduced gas permeability
US20140150866A1 (en) * 2011-06-28 2014-06-05 Kuraray Co., Ltd. Encapsulant for solar cell and interlayer film for laminated glass
US20160137904A1 (en) * 2014-10-30 2016-05-19 Preferred Technology, Llc Proppants and methods of use thereof
WO2016107403A1 (en) * 2014-12-31 2016-07-07 广州鹿山新材料股份有限公司 Anti-reflective polyolefin photovoltaic module encapsulation adhesive film and preparation method therefor
CN105679865A (en) * 2016-01-28 2016-06-15 苏州佳亿达电器有限公司 Anti-aging back film used for solar photovoltaic panel
US20180034010A1 (en) * 2016-07-28 2018-02-01 Nan Ya Plastics Corporation Aluminum plastic film packaging material for use in lithium battery to prolong service life
CN110854225A (en) * 2018-07-25 2020-02-28 比亚迪股份有限公司 Double-glass photovoltaic assembly
CN110172209A (en) * 2019-04-17 2019-08-27 深圳市深捷通管业发展有限公司 A kind of high fire-retardant MPP bellows of heat dissipation corrosion resistant type and preparation method thereof
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