Flame-retardant solar cell module and preparation method thereof
A technology of solar cells and components, applied in electrical components, chemical instruments and methods, circuits, etc., to achieve the effects of simple synthesis, slowing down the transfer of heat and heat, and reducing agglomeration
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Embodiment 1
[0047] like figure 1 As shown, the present embodiment provides a kind of said flame retardant solar cell assembly including glass 1, upper layer EVA adhesive film 2, cell sheet 3, lower layer EVA adhesive film 4 and back plate 5 from top to bottom;
[0048] The upper layer of EVA film and / or the lower layer of EVA film adopts flame-retardant EVA film.
[0049] from figure 1 It can be seen from the figure that the upper EVA film 2 wraps the battery sheet 3 , and this structure can also play a good flame-retardant effect on the battery sheet 3 .
Embodiment 2
[0051] On the basis of Example 1, this Example 2 provides a method for preparing a flame-retardant solar cell module, including the following steps:
[0052] Step S1, preparing a phosphorus-containing acrylate flame retardant;
[0053] Step S2, preparing a flame-retardant EVA film.
[0054] In this embodiment, the preparation method may also include:
[0055] In step S3 , the glass 1 , the upper EVA film 2 , the battery sheet 3 , the lower EVA film 4 and the back plate 5 are pasted with an adhesive, and then cured.
[0056] The specific components of the flame-retardant EVA film involved in the above-mentioned Example 1 and Example 2, as well as the molecular structure and corresponding preparation method of the phosphorus-containing acrylate flame retardant contained therein will be expanded in detail in the following examples .
Embodiment 3
[0060] The reaction formula of the phosphorus-containing acrylate (diethoxyphosphoryl) methyl methacrylate-DEPMM of the present embodiment is as follows:
[0061]
[0062] The preparation method is to add diethyl phosphonate (DEP) dropwise to a mixed solution of paraformaldehyde and triethylamine (TEA) in dichloromethane. The molar ratio of DEP, paraformaldehyde and triethylamine is 1:1:1, the reaction temperature is 120°C, and the reaction time is 4h. After the reaction, dry over magnesium sulfate, and remove the solvent by rotary evaporation to obtain the intermediate compound.
[0063] The obtained intermediate compound and 800ppm of 4-methoxyphenol are dissolved in chloroform solvent, and 4-methoxyphenol plays the role of adjusting the Ph value and solubilizing and does not participate in the reaction. The chloroform solution of acryloyl chloride is added dropwise to the intermediate at 0°C compound and triethylamine in chloroform solution. Wherein, the molar ratio of...
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Abstract
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