Solar cell packaging EVA adhesive film capable of resisting heat, humidity, ultraviolet light and aging
A solar cell, ultraviolet light technology, applied in applications, circuits, adhesives, etc., can solve the problems of poor control of processing and production, high activity ratio, low activity ratio, etc., achieve high visible light transmittance, increase cross-linking density, The effect of improving cross-linking efficiency
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Embodiment 1
[0049]Add 0.5 mass parts tackifier r-glycidyl ether oxypropyltrimethoxysilane, 1 mass part of cross-linking solidification in 100 mass parts vinyl acetate content is 32%, melt index value is 30g / 10min EVA raw material Agent tert-butyl peroxide 2-ethylhexyl carbonate, 0.1 parts by mass of crosslinking curing accelerator triallyl isocyanurate, 0.2 parts by mass of antioxidant bis(2,4-dicumylbenzene base) pentaerythritol diphosphite, 0.25 parts by mass of ultraviolet light absorber fumed silica and 0.1 mass part of ultraviolet light stabilizer polysuccinic acid (4-hydroxyl-2,2,6,6-tetramethyl- 1-1 piperidine ethanol) ester is mixed evenly and put into an extruder for mixing and plasticizing, and the temperature of the extruder is controlled at 83°C. The extruded product is calendered, cooled, drawn, and coiled to obtain a solar EVA film F-1 with a thickness of 0.5 mm.
Embodiment 2
[0051] Add 0.5 mass parts tackifier r-glycidyl ether oxypropyltrimethoxysilane, 1 mass part of cross-linking solidification in 100 mass parts vinyl acetate content is 32%, melt index value is 30g / 10min EVA raw material Agent tert-butyl peroxide 2-ethylhexyl carbonate, 0.1 parts by mass of cross-linking curing accelerator triallyl isocyanurate, 0.2 parts by mass of antioxidant three (2,4-di-tert-butyl Phenyl) phosphite, the antioxidant tri(nonylphenyl) phosphite of 0.15 mass parts, the ultraviolet light absorber fumed silica of 0.28 mass parts and the ultraviolet light stabilizer bis(2 of 0.1 mass part, 2,6,6-Tetramethyl-4-piperidinyl) sebacate was mixed evenly and put into an extruder for mixing and plasticization, and the temperature of the extruder was controlled at 83°C. The extruded product is calendered, cooled, drawn, and coiled to obtain a solar EVA film F-2 with a thickness of 0.5 mm.
Embodiment 3
[0053] Add 0.4 mass parts of tackifier r-glycidyl ether oxypropyltrimethoxysilane, 1.2 mass parts of cross-linking solidification in 100 mass parts of EVA raw materials with vinyl acetate content of 32% and melt index value of 30g / 10min Agent tert-butyl peroxide 2-ethylhexyl carbonate, 0.08 parts by mass of crosslinking curing accelerator triallyl isocyanurate, 0.2 parts by mass of antioxidant bis(2,4-dicumylbenzene Base) pentaerythritol diphosphite, 0.2 mass parts of antioxidant distearyl pentaerythritol diphosphite, 0.2 mass parts of ultraviolet absorber fumed silica and 0.1 mass parts of ultraviolet light stabilizer polysuccinic acid (4-Hydroxy-2,2,6,6-tetramethyl-1-1 piperidine ethanol) ester was mixed uniformly and put into an extruder for mixing and plasticization, and the temperature of the extruder was controlled at 87°C. The extruded product is calendered, cooled, drawn, and coiled to obtain a solar EVA film F-3 with a thickness of 0.5mm.
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