PID (Potential Induced Degradation) resisting solar cell module packaging coating and preparation method thereof
A solar cell and encapsulation adhesive film technology, which is applied in the direction of electrical components, circuits, adhesives, etc., can solve the problems of invisible component appearance, component power attenuation, etc., and achieve low component PID phenomenon, good hydrolysis resistance and insulation. Effect
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Embodiment 1
[0027] In terms of parts by mass, 20 parts of EVA resin with a vinyl acetate content of 28% (produced by DuPont, USA, trade name: PV1300z), 0.25 parts of β-(4-hydroxyphenyl-3,5-di-tert-butyl Phenyl) n-octadecanyl propionate, 0.3 parts of maleic anhydride modified low molecular weight 1,2-polybutadiene (produced by Sartomer, USA, trade name: RICON130 (number average molecular weight 2500)) in Density Mix in the mixer, place the mixed material in a twin-screw extruder, control the temperature at 120-140°C, melt and extrude at a speed of 300-350rpm, and the extruded product is pelletized and air-dried to obtain particles; The particles obtained by smelting and granulation are mixed with 80 parts of EVA resin with a vinyl acetate content of 28%, 1.0 part of tert-butyl peroxycarbonate-2-ethylhexyl, and 0.6 part of vinyltriethoxysilane to form a mixed Material; the mixed material is melted through an extruder, extruded from a die into a film, embossed by a pressure roller, cooled an...
Embodiment 2
[0029] In terms of parts by mass, 8 parts of EVA resin with a vinyl acetate content of 28% (produced by DuPont, USA, trade name: PV1300z), 0.1 part of tris(2,4-di-tert-butylphenyl) phosphite, 0.2 parts of maleic anhydride-modified low-molecular-weight 1,2-polybutadiene (produced by Sartomer, USA, trade name: RICON130 (number-average molecular weight 2500)) were mixed in an internal mixer, and the mixed materials were placed in Twin-screw extruder, the temperature is controlled at 120-140°C, melted and extruded at 300-350rpm, the extruded product is pelletized and air-dried to obtain granules; the granules obtained by mixing and granulating are mixed with 92 parts of vinyl acetate EVA resin with a content of 28%, 1.25 parts of 1,1-(diperoxytert-butyl)-3,3,5-trimethylcyclohexane, and 0.4 parts of vinyltriacetoxysilane are mixed to make a mixture Material; the mixed material is melted through an extruder, extruded from a die into a film, embossed by a pressure roller, cooled and ...
Embodiment 3
[0031] In terms of parts by mass, 30 parts of EVA resin with a vinyl acetate content of 28% (produced by DuPont, USA, trade name: PV1300z), 0.1 part of tetrakis[β-(3,5-di-tert-butyl-4-hydroxy Phenyl) propionic acid] pentaerythritol ester, 0.2 parts of polyisoprene (produced by Puyang Linshi New Chemical Materials Co., Ltd., trade name: IR-550 (number average molecular weight 4700)) are mixed in an internal mixer, and the mixed The good material is placed in a twin-screw extruder, the temperature is controlled at 120-140°C, and it is melted and extruded at a speed of 300-350rpm. The extruded product is pelletized and air-dried to obtain particles; 70 parts of EVA resin with a vinyl acetate content of 28%, 1.1 parts of tert-butyl peroxycarbonate-2-ethylhexyl, and 0.6 parts of vinyl triethoxysilane are mixed to make a mixture; the mixture is passed through extrusion It is melted out of the machine, extruded into a film form from the die, embossed by pressing rollers, cooled and s...
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