Anti-PID photovoltaic EVA packaging film and preparation method thereof
A technology of adhesive film and light stabilizer, which is applied in the direction of adhesive, film/sheet adhesive, film/sheet without carrier, etc. It can solve the problem of reducing the polarity of materials, increasing the volume resistivity of EVA film, and increasing EVA The risk of using the film and other issues, to achieve the effect of ensuring reliability and stability, ensuring anti-PID performance, and good anti-PID performance
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Embodiment 1
[0038] In the present embodiment, the preparation raw material of EVA adhesive film comprises EVA resin and by the mass of EVA resin, the component of percentage content is as follows:
[0039]
[0040] EVA resin, tert-butyl peroxide 2-ethylhexanoate, triallyl isocyanurate, bis-2,2,6,6-tetramethylpiperidinol sebacate, isopentyl Propyl xanthate, γ-(methacryloyloxy)propyltrimethoxysilane and tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate] pentaerythritol ester mixed, extruded Go out, calender into adhesive film, obtain described EVA adhesive film.
Embodiment 2
[0042] In the present embodiment, EVA film comprises EVA resin and by the mass of EVA resin, the component of percentage content is as follows:
[0043]
[0044] EVA resin, 2,5-dimethyl-2,5-bis(tert-butylperoxy)hexane, trimethylolpropane trimethacrylate, bis-2,2,6 sebacate, 6-tetramethylpiperidinol ester, zinc dibutyldithiocarbamate, γ-(methacryloyloxy)propyltrimethoxysilane and tetrakis[β-(3,5-di-tert-butyl- 4-Hydroxyphenyl)propionic acid]pentaerythritol esters were mixed, extruded by an extruder at a barrel temperature of 80°C, and calendered to form an adhesive film to obtain the EVA adhesive film.
Embodiment 3
[0046] In the present embodiment, EVA film comprises EVA resin and by the mass of EVA resin, the component of percentage content is as follows:
[0047]
[0048]
[0049] EVA resin, tert-butyl peroxide 2-ethylhexanoate, trimethylolpropane trimethacrylate, bis-2,2,6,6-tetramethylpiperidinol sebacate, isoamyl propylene xanthate, γ-(methacryloyloxy)propyltrimethoxysilane and tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]pentaerythritol ester, Using an extruder to extrude at a barrel temperature of 70° C., and calendering to form an adhesive film to obtain the EVA adhesive film.
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