Resin composition and solar cell encapsulation adhesive film
A resin composition and composition technology, which can be used in circuits, adhesives, photovoltaic power generation, etc., can solve the problems of easy bubbles, easy bonding, and dirty components, and achieve the effect of preventing bubbles and sticky glue overflow.
Inactive Publication Date: 2017-03-08
BYD CO LTD
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Problems solved by technology
However, the solar cell encapsulating adhesive film prepared by the above-mentioned composition is prone to air bubbles during lamination, and sticky overflow glue is prone to occur at the edge, and it is easy to be bonded to the glass or back plate of other components, causing the component dirty
Method used
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Embodiment 1-7
[0045] Polyolefin, tackifier, crosslinking initiator, coupling agent, optional auxiliary crosslinking agent and optional antiaging agent are mixed to obtain a mixture, and in extrusion casting equipment (purchased from Nanjing Yuesheng Company) Through twin-screw extrusion, film formation by salivation (the specific conditions are that the temperature of the main body of the extruder is 60-80° C., and the temperature of the mold is 100° C.), to obtain the films S1-S7. The components and amounts used in each of the above examples are shown in Table 1.
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The invention relates to the field of solar cell encapsulation adhesive films and discloses a resin composition. The resin composition is characterized by containing polyolefin, a cross-linking initiator, a coupling agent and a tackifier, wherein the tackifier contains a (methacrylate) acrylate oligomer and a (methacrylate) acrylate monomer. The solar cell encapsulation adhesive films prepared from the resin composition disclosed by the invention are not prone to bubbling during lamination and viscous adhesive overflow at edges.
Description
technical field [0001] The invention relates to a resin composition and a solar cell encapsulation adhesive film prepared by the resin composition. Background technique [0002] Solar cells are devices that collect sunlight and perform photovoltaic conversion. Since solar cells can convert solar energy into electrical energy, the manufacturing cost of electrical energy can be greatly reduced. Therefore, solar cells have been widely used in various fields of people's life and production. . [0003] The material for photovoltaic conversion in solar cells is generally silicon wafers. However, if silicon wafers are directly exposed to the atmosphere, their photoelectric conversion performance will be attenuated. Therefore, solar cells generally need to be encapsulated with encapsulation film to protect silicon wafers. . [0004] At present, the solar cell encapsulation film is usually prepared by a composition of polyolefin, peroxide, and coupling agent. However, the solar ce...
Claims
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IPC IPC(8): C09J175/14C09J7/00H01L31/048
CPCY02E10/50
Inventor 白守萍黄江周芳享
Owner BYD CO LTD
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