Solar back plate with high barrier property
A solar back sheet, high-barrier technology, applied in the field of solar back sheets, can solve the problems of reflectivity, anti-aging performance, poor water resistance, limited water vapor and oxygen barrier properties, and solar back sheet barrier effects, etc. Aging performance, reduced water vapor and oxygen transmission rates, and outstanding protective effects
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[0015] The specific embodiments of the present invention will be described below in conjunction with the drawings.
[0016] A solar back sheet with high barrier properties includes polyester film 3, which is bonded to weather-resistant layer 1 on one side of polyester film 3 through high reflective layer 5, adhesive layer 2, and the other side of polyester film 3 in sequence The weather-resistant adhesive layer 4 is bonded through the high reflective layer 5, the barrier layer 6, and the adhesive layer 2. The barrier layer 6 includes an oxygen barrier layer and a water vapor barrier layer. The thickness of the oxygen barrier layer is 10 to 110 microns, and the thickness of the water vapor barrier layer is 5 to 160 nm, the oxygen barrier layer is made of gelatin material, and the water vapor barrier layer is made of inorganic material.
[0017] The thickness of the polyester film 3 is 80 to 400 microns. The thickness of the adhesive layer 2 is 0.5-40 microns. The thickness of the ...
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