CN116875278A - Ultraviolet aging resistant photovoltaic adhesive and preparation process thereof - Google Patents
Ultraviolet aging resistant photovoltaic adhesive and preparation process thereof Download PDFInfo
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- CN116875278A CN116875278A CN202310733552.2A CN202310733552A CN116875278A CN 116875278 A CN116875278 A CN 116875278A CN 202310733552 A CN202310733552 A CN 202310733552A CN 116875278 A CN116875278 A CN 116875278A
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- parts
- titanium dioxide
- flame retardant
- aging resistant
- plasticizer
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- Pending
Links
- 230000032683 aging Effects 0.000 title claims abstract description 31
- 239000000853 adhesive Substances 0.000 title claims abstract description 16
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 16
- 238000002360 preparation method Methods 0.000 title claims description 10
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 76
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 38
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000003063 flame retardant Substances 0.000 claims abstract description 30
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 23
- 239000004014 plasticizer Substances 0.000 claims abstract description 23
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910000077 silane Inorganic materials 0.000 claims abstract description 19
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims abstract description 19
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims abstract description 13
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims abstract description 13
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims abstract description 13
- 239000000347 magnesium hydroxide Substances 0.000 claims abstract description 13
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 claims abstract description 13
- NIQCNGHVCWTJSM-UHFFFAOYSA-N Dimethyl phthalate Chemical compound COC(=O)C1=CC=CC=C1C(=O)OC NIQCNGHVCWTJSM-UHFFFAOYSA-N 0.000 claims abstract description 12
- FBSAITBEAPNWJG-UHFFFAOYSA-N dimethyl phthalate Natural products CC(=O)OC1=CC=CC=C1OC(C)=O FBSAITBEAPNWJG-UHFFFAOYSA-N 0.000 claims abstract description 6
- -1 dimethyl siloxane, diisooctyl phthalate Chemical compound 0.000 claims abstract description 6
- 229960001826 dimethylphthalate Drugs 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 14
- 239000003292 glue Substances 0.000 claims description 13
- 238000004513 sizing Methods 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 7
- 238000011065 in-situ storage Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims 1
- UQMOLLPKNHFRAC-UHFFFAOYSA-N tetrabutyl silicate Chemical compound CCCCO[Si](OCCCC)(OCCCC)OCCCC UQMOLLPKNHFRAC-UHFFFAOYSA-N 0.000 claims 1
- GYZQBXUDWTVJDF-UHFFFAOYSA-N tributoxy(methyl)silane Chemical compound CCCCO[Si](C)(OCCCC)OCCCC GYZQBXUDWTVJDF-UHFFFAOYSA-N 0.000 claims 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 abstract description 5
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 abstract description 5
- 229920002554 vinyl polymer Polymers 0.000 abstract description 5
- 239000012790 adhesive layer Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 238000004383 yellowing Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 1
- 206010051246 Photodermatosis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000008845 photoaging Effects 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
Classifications
-
- 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
- C09J201/00—Adhesives based on unspecified macromolecular compounds
- C09J201/02—Adhesives based on unspecified macromolecular compounds characterised by the presence of specified groups, e.g. terminal or pendant functional groups
- C09J201/06—Adhesives based on unspecified macromolecular compounds characterised by the presence of specified groups, e.g. terminal or pendant functional groups containing oxygen atoms
-
- 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
- C09J11/04—Non-macromolecular additives inorganic
-
- 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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/204—Applications use in electrical or conductive gadgets use in solar cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The application discloses ultraviolet aging resistant photovoltaic adhesive, which comprises the following components in parts by weight: 90-95 parts of hydroxyl-terminated polydimethyl, 10-15 parts of titanium dioxide, 5-10 parts of plasticizer, 2-5 parts of titanium dioxide, 1-5 parts of ultraviolet absorber UV-531, 2-5 parts of flame retardant and 5-10 parts of cross-linking agent; the plasticizer is one of dimethyl siloxane, diisooctyl phthalate and dimethyl phthalate; the flame retardant is one of aluminum hydroxide, tributyl phosphate and magnesium hydroxide; the cross-linking agent is one of methyl tributyl ketoxime silane, vinyl tributyl ketoxime silane and tetrabutyl ketoxime silane; according to the application, titanium dioxide, an ultraviolet absorber UV-531 and the like are added to enable the titanium dioxide to have good ultraviolet aging resistance; the photovoltaic adhesive has good peel strength, is not easy to peel, and has better stability in use.
Description
Technical Field
The application relates to the technical field of photovoltaic glue, in particular to ultraviolet aging resistant photovoltaic glue and a preparation process thereof.
Background
With the increase of environmental awareness, various clean energy sources are widely applied, and solar energy is one of important sources. Solar panels need to be operated outdoors for 20 years or more, so the materials used therein have high durability requirements. The protective layer on the back of the solar cell is generally a solar back plate, and the back plate has various structures, wherein the polyvinylidene fluoride film/PET (K/P) structure is an important type; with recent demands for improvement in power generation efficiency of batteries, there is a trend to improve the back side power generation efficiency of batteries by using a transparent back sheet.
The solar cell panel and the solar backboard are adhered by the photovoltaic adhesive, an adhesive layer is formed between the solar cell panel and the solar backboard after the solar cell panel and the solar backboard are adhered, and the coating or the film material on two sides of the original solar backboard contains more titanium dioxide to protect the adhesive and PET of the inner layer, so that the ultraviolet ageing resistance requirement on the adhesive layer is not high, but the ultraviolet ageing resistance requirement on the adhesive layer by the transparent solar backboard is greatly improved, and therefore, the photovoltaic adhesive which can well meet the ultraviolet ageing resistance requirement on the adhesive layer is needed to be provided.
Disclosure of Invention
The application aims to provide ultraviolet aging resistant photovoltaic adhesive and a preparation process thereof, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present application provides the following technical solutions:
the ultraviolet aging resistant photovoltaic adhesive comprises the following components in parts by weight:
90-95 parts of hydroxyl-terminated polydimethyl, 10-15 parts of titanium dioxide, 5-10 parts of plasticizer, 2-5 parts of titanium dioxide, 1-5 parts of ultraviolet absorber UV-531, 2-5 parts of flame retardant and 5-10 parts of cross-linking agent.
Preferably, the composition comprises the following components in parts by weight:
92 parts of hydroxyl-terminated polydimethyl, 13 parts of titanium dioxide, 8 parts of plasticizer, 3 parts of titanium dioxide, 4 parts of ultraviolet absorber UV-531, 3 parts of flame retardant and 7 parts of cross-linking agent.
Preferably, the plasticizer is one of dimethyl siloxane, diisooctyl phthalate and dimethyl phthalate.
Preferably, the flame retardant is one of aluminum hydroxide, tributyl phosphate and magnesium hydroxide.
Preferably, the cross-linking agent is one of methyltributyloximoyl silane, vinyltributylketoxime silane and tetrabutyloxidoxime silane.
Preferably, the flame retardant is one of aluminum hydroxide, tributyl phosphate and magnesium hydroxide.
A preparation process of ultraviolet aging resistant photovoltaic glue comprises the following steps:
placing hydroxyl-terminated polydimethyl, titanium dioxide and a plasticizer in a stirrer, mixing and in-situ dehydrating for 3-4 hours at 110-120 ℃ and under vacuum of-0.09-0.1 MPa to obtain a basic sizing material;
step two, the basic sizing material is cooled to below 0-35 ℃, a cross-linking agent is added, and the mixture is mixed for 8-10 minutes under vacuum sealing;
and thirdly, adding titanium dioxide, an ultraviolet absorber UV-531 and a flame retardant, mixing for 8-10 minutes, and removing bubbles and part of low molecular substances generated in the reaction in vacuum.
Compared with the prior art, the application has the following beneficial effects:
the application has good ultraviolet aging resistance after titanium dioxide and an ultraviolet absorber UV-531 are added; the photovoltaic glue has good peel strength through titanium dioxide, plasticizer, flame retardant and the like, is not easy to peel off, and has better stability in use.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The ultraviolet aging resistant photovoltaic adhesive comprises the following components in parts by weight:
90-95 parts of hydroxyl-terminated polydimethyl, 10-15 parts of titanium dioxide, 5-10 parts of plasticizer, 2-5 parts of titanium dioxide, 1-5 parts of ultraviolet absorber UV-531, 2-5 parts of flame retardant and 5-10 parts of cross-linking agent.
Comprises the following components in parts by weight:
92 parts of hydroxyl-terminated polydimethyl, 13 parts of titanium dioxide, 8 parts of plasticizer, 3 parts of titanium dioxide, 4 parts of ultraviolet absorber UV-531, 3 parts of flame retardant and 7 parts of cross-linking agent.
The plasticizer is one of dimethyl siloxane, diisooctyl phthalate and dimethyl phthalate.
The flame retardant is one of aluminum hydroxide, tributyl phosphate and magnesium hydroxide.
The cross-linking agent is one of methyl tributyl ketoxime group silane, vinyl tributyl ketoxime group silane and tetrabutyl ketoxime group silane.
The flame retardant is one of aluminum hydroxide, tributyl phosphate and magnesium hydroxide.
A preparation process of ultraviolet aging resistant photovoltaic glue comprises the following steps:
placing hydroxyl-terminated polydimethyl, titanium dioxide and a plasticizer in a stirrer, mixing and in-situ dehydrating for 3-4 hours at 110-120 ℃ and under vacuum of-0.09-0.1 MPa to obtain a basic sizing material;
step two, the basic sizing material is cooled to below 0-35 ℃, a cross-linking agent is added, and the mixture is mixed for 8-10 minutes under vacuum sealing;
and thirdly, adding titanium dioxide, an ultraviolet absorber UV-531 and a flame retardant, mixing for 8-10 minutes, and removing bubbles and part of low molecular substances generated in the reaction in vacuum.
Example 1:
the ultraviolet aging resistant photovoltaic adhesive comprises the following components in parts by weight:
90 parts of hydroxyl-terminated polydimethyl, 10 parts of titanium dioxide, 5 parts of plasticizer, 2 parts of titanium dioxide, 1 part of ultraviolet absorber UV-531, 2 parts of flame retardant and 5 parts of cross-linking agent.
The flame retardant is one of aluminum hydroxide, tributyl phosphate and magnesium hydroxide.
The cross-linking agent is one of methyl tributyl ketoxime group silane, vinyl tributyl ketoxime group silane and tetrabutyl ketoxime group silane.
The flame retardant is one of aluminum hydroxide, tributyl phosphate and magnesium hydroxide.
A preparation process of ultraviolet aging resistant photovoltaic glue comprises the following steps:
placing hydroxyl-terminated polydimethyl, titanium dioxide and a plasticizer in a stirrer, mixing and in-situ dehydrating for 3-4 hours at 110-120 ℃ and under vacuum of-0.09-0.1 MPa to obtain a basic sizing material;
step two, the basic sizing material is cooled to below 0-35 ℃, a cross-linking agent is added, and the mixture is mixed for 8-10 minutes under vacuum sealing;
and thirdly, adding titanium dioxide, an ultraviolet absorber UV-531 and a flame retardant, mixing for 8-10 minutes, and removing bubbles and part of low molecular substances generated in the reaction in vacuum.
Example 2:
the ultraviolet aging resistant photovoltaic adhesive comprises the following components in parts by weight:
95 parts of hydroxyl-terminated polydimethyl, 15 parts of titanium dioxide, 10 parts of plasticizer, 5 parts of titanium dioxide, 5 parts of ultraviolet absorber UV-531, 5 parts of flame retardant and 10 parts of cross-linking agent.
The plasticizer is one of dimethyl siloxane, diisooctyl phthalate and dimethyl phthalate.
The flame retardant is one of aluminum hydroxide, tributyl phosphate and magnesium hydroxide.
The cross-linking agent is one of methyl tributyl ketoxime group silane, vinyl tributyl ketoxime group silane and tetrabutyl ketoxime group silane.
The flame retardant is one of aluminum hydroxide, tributyl phosphate and magnesium hydroxide.
A preparation process of ultraviolet aging resistant photovoltaic glue comprises the following steps:
placing hydroxyl-terminated polydimethyl, titanium dioxide and a plasticizer in a stirrer, mixing and in-situ dehydrating for 3-4 hours at 110-120 ℃ and under vacuum of-0.09-0.1 MPa to obtain a basic sizing material;
step two, the basic sizing material is cooled to below 0-35 ℃, a cross-linking agent is added, and the mixture is mixed for 8-10 minutes under vacuum sealing;
and thirdly, adding titanium dioxide, an ultraviolet absorber UV-531 and a flame retardant, mixing for 8-10 minutes, and removing bubbles and part of low molecular substances generated in the reaction in vacuum.
Example 3:
the ultraviolet aging resistant photovoltaic adhesive comprises the following components in parts by weight:
92 parts of hydroxyl-terminated polydimethyl, 13 parts of titanium dioxide, 8 parts of plasticizer, 3 parts of titanium dioxide, 4 parts of ultraviolet absorber UV-531, 3 parts of flame retardant and 7 parts of cross-linking agent.
The plasticizer is one of dimethyl siloxane, diisooctyl phthalate and dimethyl phthalate.
The flame retardant is one of aluminum hydroxide, tributyl phosphate and magnesium hydroxide.
The cross-linking agent is one of methyl tributyl ketoxime group silane, vinyl tributyl ketoxime group silane and tetrabutyl ketoxime group silane.
The flame retardant is one of aluminum hydroxide, tributyl phosphate and magnesium hydroxide.
A preparation process of ultraviolet aging resistant photovoltaic glue comprises the following steps:
placing hydroxyl-terminated polydimethyl, titanium dioxide and a plasticizer in a stirrer, mixing and in-situ dehydrating for 3-4 hours at 110-120 ℃ and under vacuum of-0.09-0.1 MPa to obtain a basic sizing material;
step two, the basic sizing material is cooled to below 0-35 ℃, a cross-linking agent is added, and the mixture is mixed for 8-10 minutes under vacuum sealing;
and thirdly, adding titanium dioxide, an ultraviolet absorber UV-531 and a flame retardant, mixing for 8-10 minutes, and removing bubbles and part of low molecular substances generated in the reaction in vacuum.
And (3) testing:
ultraviolet aging test: carrying out UVA photo-aging (QLab fluorescent lamp tester) on the prepared sample, accumulating energy for 300KWh, and testing a yellowing value; the yellowing values were measured using a color difference meter.
Humid heat aging: after aging the sample at 85℃for 2000 hours under 850% relative humidity, the peel strength was measured after 24 hours at 23.+ -. 1℃under 50% relative humidity.
Table:
| example 1 | Example 2 | Example 3 | |
| Yellowing value | 0.5 | 0.7 | 1.0 |
| Peel strength of | 4.3 | 4.8 | 4.6 |
The experimental data show that the photovoltaic glue has good ultraviolet aging resistance after titanium dioxide and an ultraviolet absorber UV-531 are added; in addition, the product has good stability.
It will be evident to those skilled in the art that the application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. The ultraviolet aging resistant photovoltaic adhesive is characterized by comprising the following components in parts by weight:
90-95 parts of hydroxyl-terminated polydimethyl, 10-15 parts of titanium dioxide, 5-10 parts of plasticizer, 2-5 parts of titanium dioxide, 1-5 parts of ultraviolet absorber UV-531, 2-5 parts of flame retardant and 5-10 parts of cross-linking agent.
2. The ultraviolet aging resistant photovoltaic adhesive according to claim 1, which is characterized by comprising the following components in parts by weight:
92 parts of hydroxyl-terminated polydimethyl, 13 parts of titanium dioxide, 8 parts of plasticizer, 3 parts of titanium dioxide, 4 parts of ultraviolet absorber UV-531, 3 parts of flame retardant and 7 parts of cross-linking agent.
3. The ultraviolet aging resistant photovoltaic adhesive according to claim 1, wherein the plasticizer is one of dimethylsiloxane, diisooctyl phthalate, and dimethyl phthalate.
4. The ultraviolet aging resistant photovoltaic glue and the preparation process thereof according to claim 1, wherein the flame retardant is one of aluminum hydroxide, tributyl phosphate and magnesium hydroxide.
5. The ultraviolet aging resistant photovoltaic glue according to claim 1, wherein the cross-linking agent is one of methyltributyloxy silane, vinyltributylketoxime silane and tetrabutyloxy silane.
6. The ultraviolet aging resistant photovoltaic glue according to claim 1, wherein the flame retardant is one of aluminum hydroxide, tributyl phosphate and magnesium hydroxide.
7. The process for preparing the ultraviolet aging resistant photovoltaic glue according to claim 1, comprising the following steps:
placing hydroxyl-terminated polydimethyl, titanium dioxide and a plasticizer in a stirrer, mixing and in-situ dehydrating for 3-4 hours at 110-120 ℃ and under vacuum of-0.09-0.1 MPa to obtain a basic sizing material;
step two, the basic sizing material is cooled to below 0-35 ℃, a cross-linking agent is added, and the mixture is mixed for 8-10 minutes under vacuum sealing;
and thirdly, adding titanium dioxide, an ultraviolet absorber UV-531 and a flame retardant, mixing for 8-10 minutes, and removing bubbles and part of low molecular substances generated in the reaction in vacuum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310733552.2A CN116875278A (en) | 2023-06-20 | 2023-06-20 | Ultraviolet aging resistant photovoltaic adhesive and preparation process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310733552.2A CN116875278A (en) | 2023-06-20 | 2023-06-20 | Ultraviolet aging resistant photovoltaic adhesive and preparation process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116875278A true CN116875278A (en) | 2023-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310733552.2A Pending CN116875278A (en) | 2023-06-20 | 2023-06-20 | Ultraviolet aging resistant photovoltaic adhesive and preparation process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116875278A (en) |
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- 2023-06-20 CN CN202310733552.2A patent/CN116875278A/en active Pending
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