Double-layer co-extrusion anti-polarization type EVA (ethylene vinyl acetate copolymer) composite adhesive film and preparation method thereof
A double-layer co-extrusion, anti-polarization technology, applied in the direction of non-polymer organic compound adhesives, adhesives, adhesive additives, etc., can solve the problem of reducing the power generation efficiency of cells, and improve the anti-PID performance and production efficiency. The effect of high and low production cost
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Embodiment 1
[0055] (1) Mix 100 parts of EAA resin, 0.8 parts of peroxy-2-ethylhexyl tert-butyl carbonate, 0.9 parts of tripropenyl isocyanurate, 0.5 parts of γ-methacryloxypropyl trimethoxy Silane, 0.2 parts bis(2,2,6,6-tetramethylpiperidinyl) sebacate, 0.2 parts 2-hydroxy-4-methoxy-5-sulfobenzophenone, 0.1 parts 2,6-di-tert-butyl-p-cresol was mixed evenly, and poured into the silo of the first single-screw extruder for use; (2) 100 parts of EVA resin (melt flow rate: 25g / 10min, transparent Light rate>91%, volume resistivity>1.0×10 14 , melting temperature is 56°C, VA content 28%), 0.8 parts of tert-butyl peroxy-2-ethylhexyl carbonate, 0.9 parts of tripropenyl isocyanurate, 0.5 parts of γ-methacryloyloxypropyl Trimethoxysilane, 0.2 parts of bis(2,2,6,6-tetramethylpiperidinyl) sebacate, 0.2 parts of 2-hydroxy-4-methoxy-5-sulfonate Ketone and 0.1 part of 2,6-di-tert-butyl-p-cresol were mixed evenly, poured into the silo of the first single-screw extruder, and set aside; (3) Start two sing...
Embodiment 2
[0058](1) 100 parts of EMA resin, 0.8 parts of tert-butylperoxycarbonate-2-ethylhexyl, 0.6 parts of tripropenyl isocyanurate, 0.3 parts of ethoxylated trimethylolpropane triacrylate , 0.4 parts of vinyl tris(b-methoxyethoxy) silane, 0.2 parts of tris(1,2,2,6,6-pentamethyl-4-piperidinyl) phosphite, 0.2 parts of 2- Hydroxy-4-n-octyloxybenzophenone, 0.05 parts of triethylene glycol bis[β-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionate] were mixed evenly, Pour it into the silo of the first single-screw extruder for use; (2) Mix 100 parts of EVA resin (melt flow rate is 20g / 10min, light transmittance>91%, volume resistivity>1.0×10 14 , melting temperature is 54°C, VA content 25%), 0.8 parts of tert-butyl peroxycarbonate-2-ethylhexyl, 0.6 parts of tripropenyl isocyanurate, 0.3 parts of ethoxylated trimethylol Propane triacrylate, 0.4 part vinyl tris(b-methoxyethoxy) silane, 0.2 part tris(1,2,2,6,6-pentamethyl-4-piperidinyl) phosphite, 0.2 parts of 2-hydroxy-4-n-octyloxybenzophen...
Embodiment 3
[0061] (1) Mix 50 parts of PTW resin, 50 parts of EMA resin, 0.6 parts of tert-butyl peroxy-2-ethylhexyl carbonate, 0.6 parts of tripropenyl isocyanurate, 0.2 parts of pentaerythritol tetraacrylate, 0.3 parts of ethylene Tris(b-methoxyethoxy)silane, 0.1 part of tris(1,2,2,6,6-pentamethyl-4-piperidinyl) phosphite, 0.1 part of 2-hydroxy-4- Mix n-octyloxybenzophenone and 0.1 part of triethylene glycol bis[β-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionate] evenly, pour into the first (2) 100 parts of EVA resin (melt flow rate is 25g / 10min, light transmittance>91%, volume resistivity>1.0×10 14 , melting temperature is 56°C, VA content 28%), 0.6 parts of tert-butyl peroxy-2-ethylhexyl carbonate, 0.6 parts of tripropenyl isocyanurate, 0.2 parts of pentaerythritol tetraacrylate, 0.3 parts of vinyl Tris(b-methoxyethoxy)silane, 0.1 part of tris(1,2,2,6,6-pentamethyl-4-piperidinyl) phosphite, 0.1 part of 2-hydroxy-4-n- Octyloxybenzophenone, 0.1 part of triethylene glycol bis[β-(3-ter...
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