Solar cell back plate film and preparation method thereof
A technology for solar cells and back sheet films, applied in circuits, electrical components, photovoltaic power generation, etc., can solve the problem of inability to guarantee reliable, stable, long-term safe use of batteries, poor weather resistance, water resistance, insulation and aging resistance of the back film , affect performance and service life and other issues, to achieve excellent waterproof and weather resistance, not easy to peel off, and reduce maintenance costs.
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Embodiment 1
[0019] A solar cell backplane film, made of the following raw materials in parts by weight: 12 parts of butyl rubber, 20 parts of polyvinylidene fluoride PVDF, 4 parts of dipropylene glycol, 12 parts of polyester rubber powder, and 2 parts of sodium polyacrylate , 4 parts of benzalkonium chloride, 20 parts of polystyrene sulfonic acid, 8 parts of silicon dioxide, 6 parts of polyetherimide, 2 parts of 2,6-di-tert-butyl-4-methylphenol, carboxymethyl 6 parts of sodium cellulose, 1 part of polytrimethyldihydroquinoline, 0.2 part of dilauryl thiodipropionate, 1 part of hindered amine light stabilizer, and 0.6 part of dioctyl phthalate.
[0020] The preparation method of described solar cell back plate film, comprises the following steps:
[0021] 1) Ingredients: Weigh each raw material according to the formula for subsequent use;
[0022] 2) Stirring and mixing: Add the weighed raw materials into the reaction kettle and stir and mix evenly under the protection of inert gas. The st...
Embodiment 2
[0026] A solar cell backsheet film, made of the following raw materials in parts by weight: 20 parts of butyl rubber, 32 parts of polyvinylidene fluoride PVDF, 10 parts of dipropylene glycol, 24 parts of polyester powder, 8 parts of sodium polyacrylate, 10 parts of benzalkonium chloride, 30 parts of polystyrene sulfonic acid, 14 parts of silicon dioxide, 10 parts of polyetherimide, 8 parts of 2,6-di-tert-butyl-4-methylphenol, carboxymethyl fiber 12 parts of plain sodium, 7 parts of polytrimethyldihydroquinoline, 0.8 parts of dilauryl thiodipropionate, 5 parts of hindered amine light stabilizer, and 1.8 parts of dioctyl phthalate.
[0027] The preparation method of described solar cell back plate film, comprises the following steps:
[0028] 1) Ingredients: Weigh each raw material according to the formula for subsequent use;
[0029] 2) Stirring and mixing: Add the weighed raw materials into the reaction kettle and stir and mix evenly under the protection of an inert gas. The ...
Embodiment 3
[0033] A solar battery back sheet film, made of the following raw materials in parts by weight: 14 parts of butyl rubber, 24 parts of polyvinylidene fluoride PVDF, 6 parts of dipropylene glycol, 16 parts of polyester powder, 4 parts of sodium polyacrylate, 5 parts of benzalkonium chloride, 23 parts of polystyrene sulfonic acid, 10 parts of silicon dioxide, 7 parts of polyetherimide, 4 parts of 2,6-di-tert-butyl-4-methylphenol, carboxymethyl fiber 8 parts of plain sodium, 3 parts of polytrimethyldihydroquinoline, 0.4 parts of dilauryl thiodipropionate, 2 parts of hindered amine light stabilizer, and 1 part of dioctyl phthalate.
[0034] The preparation method of described solar cell back plate film, comprises the following steps:
[0035] 1) Ingredients: Weigh each raw material according to the formula for subsequent use;
[0036] 2) Stirring and mixing: Add the weighed raw materials into the reaction kettle and stir and mix evenly under the protection of inert gas. The stirri...
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