CN113308108A - Composition for photovoltaic junction box - Google Patents
Composition for photovoltaic junction box Download PDFInfo
- Publication number
- CN113308108A CN113308108A CN202110717527.6A CN202110717527A CN113308108A CN 113308108 A CN113308108 A CN 113308108A CN 202110717527 A CN202110717527 A CN 202110717527A CN 113308108 A CN113308108 A CN 113308108A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
- C08L71/08—Polyethers derived from hydroxy compounds or from their metallic derivatives
- C08L71/10—Polyethers derived from hydroxy compounds or from their metallic derivatives from phenols
- C08L71/12—Polyphenylene oxides
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- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention relates to a composition for a photovoltaic junction box, which comprises the following components: 40-60 parts of middle molecular weight polyphenyl ether, 5-15 parts of low molecular weight polyphenyl ether, 10-30 parts of high impact polystyrene, 2-10 parts of toughening agent, 5-20 parts of phosphorus flame retardant, 0.1-1 part of antioxidant and 0.1-1 part of light stabilizer. The composition has good mechanical property, flame retardance and ageing resistance, meets the ROHS standard requirement, and can be used for a solar cell junction box.
Description
Technical Field
The invention relates to a composition for a photovoltaic junction box.
Background
Polyarylether is a general engineering plastic. The composite material has excellent comprehensive performance, and is characterized by excellent dimensional stability and outstanding electric insulation property under long-term load, wide use temperature range and long-term use within the range of-100 to 121 ℃. Has self-extinguishing property. The product has high tensile strength, impact strength and creep resistance. In addition, the wear resistance and the electrical property are better.
Polyphenylene oxide cannot be directly used for photovoltaic junction boxes, modified polyphenylene oxide is required to be prepared, and the existing modified polyphenylene oxide cannot completely meet the requirements on water resistance, aging performance and electrical performance, and needs further improvement.
Disclosure of Invention
The invention provides a composition for a photovoltaic junction box, which can effectively improve the water resistance, the aging property and the electrical property of a material.
To achieve the above object, the present invention provides a composition comprising: 40-60 parts of middle molecular weight polyphenyl ether, 5-15 parts of low molecular weight polyphenyl ether, 10-30 parts of high impact polystyrene, 2-10 parts of toughening agent, 5-20 parts of phosphorus flame retardant, 0.1-1 part of antioxidant and 0.1-1 part of light stabilizer.
The medium molecular weight polyphenylene ether refers to the polyphenylene ether with the weight average molecular weight of 28000-40000, preferably 30000-36000.
Low molecular weight polyphenylene ether means a polyphenylene ether having a weight average molecular weight of 9000-13000, preferably 10000-12000.
High impact polystyrene, meaning a melt index at 200 ℃ and 5kg of 4-5g/10 min.
The toughening agent is POE, SEBS and the like, the hardness is 70-80A, and the melt index under 5kg is 1-2g/10min at 230 ℃.
The phosphorus-containing flame retardant refers to a compound having a flame retardant effect and containing a phosphorus element, such as red phosphorus, triphenyl phosphate, cresyldiphenyl phosphate, and butylbenzene phosphate, but is not limited to the above phosphorus-containing compound.
Antioxidants, refer to compounds that retard or inhibit the oxidation process of the polymer, thereby preventing the aging of the polymer and extending its useful life, such as, but not limited to, zinc dialkyldithiophosphate, BHT, 1010, 1076, 168, benzofuranones, and the like.
The light stabilizer refers to a compound capable of shielding or absorbing ultraviolet rays, quenching singlet oxygen, decomposing hydroperoxide into inactive substances, and preventing or delaying the photo-aging process of a polymer material under the irradiation of light, such as carbon black, titanium dioxide, o-hydroxybenzophenones, benzotriazoles, triazines, hindered amine light stabilizers, and the like, but is not limited to the above phosphorus-containing compounds.
The addition of the low molecular weight polyphenylene ether can greatly improve the processing property, the water resistance and the electrical property of the composition; the addition of the toughening agent can improve the toughness of the composition, improve the impact resistance and resist cracking; the addition of the antioxidant and the light stabilizer can improve the ageing resistance of the composition.
The composition provided by the invention has excellent mechanical property, water resistance, electrical property and ageing resistance, completely meets the ROHS requirement, and can be used for photovoltaic junction boxes.
The specific implementation mode is as follows:
all the components are mixed according to the weight ratio and then extruded by a double screw to be granulated.
The present invention will be described in detail with reference to examples, but it should not be construed as limiting the scope of the present invention.
The test method comprises the following steps:
1. molecular weight measurement
Sol gel chromatography, GPC, standard polystyrene calibration.
2. Tensile Properties
Testing according to the national standard GB/T1040.1-2018.
3. Bending properties
According to the national standard GB/T9341-.
4. Notched impact strength of cantilever beam
According to the national standard GB/T1843-2008.
5. Flame retardant properties
The test for burning was carried out according to the vertical burning method described in UL-94 on an injection-molded specimen having a thickness of 0.8 mm.
Example 1
The preparation method comprises the following steps of uniformly mixing 45 parts by weight of middle molecular weight polyphenylene ether (Dalian middle-bathing product, weight average molecular weight 33000, brand PPE-40), 10 parts by weight of low molecular weight polyphenylene ether (Dalian middle-bathing product, weight average molecular weight 11000, brand PPE-20), 28 parts by weight of high impact polystyrene (Zhongjinguo product, melt index 4g/10min, brand 466F), 8 parts by weight of flexibilizer SEBS (Yueyangyu petrochemical product, hardness 70A, brand YH-503), 8 parts by weight of triphenyl phosphate, 0.5 part by weight of 1010 and 0.5 part by weight of carbon black, and then extruding and granulating the mixture at the temperature of 250-.
Example 2
In example 1, the amount of the polyphenylene ether with the medium molecular weight is changed to 50 parts by weight, the amount of the toughener SEBS is changed to 3 parts by weight, and the rest is not changed.
Example 3
In example 1, the amount of the low-molecular-weight polyphenylene ether added was changed to 5 parts by weight, and the amount of the toughening agent SEBS was changed to 12 parts by weight, with the remainder unchanged.
Example 4
In example 1, the amount of the low molecular weight polyphenylene ether added was changed to 5 parts by weight, and the amount of the high molecular weight polyphenylene ether was changed to 50 parts by weight, but the others were not changed.
Example 5
The weight average molecular weight of the high molecular weight polyphenylene ether in example 1 was changed to 38000, and the others were not changed.
Example 6
The weight average molecular weight of the low molecular weight polyphenylene ether in example 1 was changed to 9500, and the others were not changed.
The physical properties of the compositions prepared in the above examples are shown in Table-1.
TABLE-1
| Performance of | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Example 6 |
| Tensile strength, MPa | 69.5 | 72.0 | 66.8 | 70.9 | 72.5 | 68.2 |
| Flexural strength, MPa | 107.5 | 109.8 | 104.3 | 108.2 | 108.5 | 107.1 |
| Elongation at break,% | 16.5 | 14.2 | 18.5 | 17.0 | 18.3 | 16.2 |
| Notched impact strength, 25 ℃, J/m | 181.2 | 178.5 | 182.8 | 183.9 | 184.2 | 175.7 |
| Flame retardant properties | V -0 | V-0 | V -0 | V-0 | V -0 | V-0 |
It should be understood that this example is for illustrative purposes only and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the contents of the present invention, and those equivalents are also within the scope of the present invention defined by the appended claims.
Claims (3)
1. A composition for a photovoltaic junction box, comprising: 40-60 parts of middle molecular weight polyphenyl ether, 5-15 parts of low molecular weight polyphenyl ether, 10-30 parts of high impact polystyrene, 2-10 parts of toughening agent, 5-20 parts of phosphorus flame retardant, 0.1-1 part of antioxidant and 0.1-1 part of light stabilizer.
2. The medium molecular weight polyphenylene ether according to claim 1, wherein the weight average molecular weight is 28000 and 40000.
3. The low-molecular-weight polyphenylene ether according to claim 1, wherein the weight-average molecular weight is 9000-13000.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110717527.6A CN113308108A (en) | 2021-06-28 | 2021-06-28 | Composition for photovoltaic junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110717527.6A CN113308108A (en) | 2021-06-28 | 2021-06-28 | Composition for photovoltaic junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113308108A true CN113308108A (en) | 2021-08-27 |
Family
ID=77380558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110717527.6A Pending CN113308108A (en) | 2021-06-28 | 2021-06-28 | Composition for photovoltaic junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113308108A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114957960A (en) * | 2022-07-09 | 2022-08-30 | 鑫宝智能制造唐山有限公司 | Flame-retardant high-breakdown-voltage polyphenyl ether composite material and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101928455A (en) * | 2010-06-30 | 2010-12-29 | 中国蓝星（集团）股份有限公司 | Polyphenylene oxide composition and method for improving heat stability of polyphenylene oxide thereof |
| CN102399433A (en) * | 2010-09-16 | 2012-04-04 | 佛山市顺德区瑞能科技有限公司 | Polyphenylene oxide composition used for photovoltaic junction box |
| CN103228703A (en) * | 2010-12-16 | 2013-07-31 | 旭化成电子材料株式会社 | Curable resin composition |
-
2021
- 2021-06-28 CN CN202110717527.6A patent/CN113308108A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101928455A (en) * | 2010-06-30 | 2010-12-29 | 中国蓝星（集团）股份有限公司 | Polyphenylene oxide composition and method for improving heat stability of polyphenylene oxide thereof |
| CN102399433A (en) * | 2010-09-16 | 2012-04-04 | 佛山市顺德区瑞能科技有限公司 | Polyphenylene oxide composition used for photovoltaic junction box |
| CN103228703A (en) * | 2010-12-16 | 2013-07-31 | 旭化成电子材料株式会社 | Curable resin composition |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114957960A (en) * | 2022-07-09 | 2022-08-30 | 鑫宝智能制造唐山有限公司 | Flame-retardant high-breakdown-voltage polyphenyl ether composite material and preparation method thereof |
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