Descrizione dei prodotti
The glycidyl methacrylate grafted polymer known as RM2320 has a white transparent granular appearance and is composed of ethylene vinyl acetate copolymer as the matrix material.
In the context of PV adhesive film applications, the glycidyl methacrylate grafted anti-PID additive, which is based on a one-of-a-kind grafted polymer structure with an EVA copolymer matrix, provides a number of significant advantages and benefits. Additionally, its anti-PID qualities, better stickiness, outstanding electrical performance, and compatibility with the EVA matrix all contribute to an increase in the module’s reliability, power output stability, and overall performance.
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Caratteristica
| Caratteristiche | Valore | Unità | Metodo di prova |
| Densità | 0.95 | g/cm3 | ASTM D792 |
| Portata di fusione (190℃2,16kg）) | 10-20 | g/10min | ASTM D1238 |
| Melting Point (DSC) | 66℃（151℉） | wt% | ASTM D3418 |
| Aspetto | Granuli | / | / |
| Colore | White Translucent |
- Grafted Polymer: The additive is built on a grafted polymer structure, with glycidyl methacrylate chemically attached to the EVA copolymer matrix. This structure helps the additive to be more effective. Through the utilization of this one-of-a-kind structure, the interfacial adhesion and compatibility between the additive and the adhesive film are improved, resulting in enhanced performance and stable properties.
- Anti-Potential Induced Degradation (PID) capabilities: The product has been developed according to a special formulation that is designed to offer exceptional anti-PID capabilities. These properties effectively mitigate the potential degradation that is induced by PID in PV systems. It contributes to the maintenance of the module’s power output and dependability for an extended period of time, even when operating under difficult conditions.
- Improved Electrical Insulation: The grafted additive improves the electrical insulation qualities of the adhesive film, which in turn reduces the risk of electrical leakage and brings about an overall improvement in the PV module’s safety and performance.
- Thermal Stability: The grafted polymer structure makes a contribution to the thermal stability of the adhesive film, which enables it to survive elevated temperatures throughout the production operations of PV modules and while they are in service.
Vantaggio
a. Increased Resistance to PID: The anti-PID capabilities of the additive effectively prevent or decrease the performance degradation that is associated with PID. This ensures that the PV module will remain reliable over the long term and maintain its power output stability.
b. Improved Adhesion: The grafted polymer structure causes an improvement in the interfacial adhesion between the adhesive film and a variety of substrates, including glass, encapsulant materials, and backsheet. This leads to an increase in bond strength and longevity.
The enhanced electrical insulation qualities of the additive lower the possibility of electrical failures, such as short circuits or current leakage, which ensures the safe and efficient operation of the PV module. c. Excellent Electrical Performance: The additive’s electrical insulation properties are boosted.
d. Compatibility with EVA Matrix: The compatibility between the grafted additive and the EVA copolymer matrix guarantees optimum dispersion and uniform distribution within the adhesive film, which optimally improves the film’s performance and stability.
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Applicazione
Applicazione tipica
Used to improve the anti-PID performance of photovoltaic adhesive film.
The recommended addition amount is 2 to 5%.
It is best to use a combination of:
1-RM210A: 1% + R2320: 4%.
2-RM208: 2% + R2320: 3%.
Applicazione Industria
The grafted anti-PID additive made from glycidyl methacrylate has uses in a variety of elements in the production of PV adhesive film and PV modules, including the following:
Photovoltaic (PV) Backsheet Adhesive: The additive can be added into the adhesive layer of PV backsheets, which will improve the electrical insulation and adhesion capabilities of the backsheet assembly.
The encapsulant adhesive can be utilized in the adhesive layer of photovoltaic (PV) encapsulants. This improves the adhesion and electrical insulation between the encapsulant and the solar cells, which ultimately results in an increase in the PV module’s reliability and performance.
c. Adhesive for Junction Boxes: The additive can be utilized in the adhesive that is utilized for the purpose of fastening electrical connections in PV junction boxes. This ensures that the glue adheres tightly and provides reliable electrical insulation.
d. PV Module Assembly: The anti-PID additive makes a contribution to the overall performance and long-term dependability of PV modules throughout the assembly process. It does this by increasing the adhesion and electrical insulation qualities between the various components.
