Solar backplate with high water vapor permeability
A water vapor transmission rate and solar backsheet technology, which is applied in the field of solar backsheets, can solve problems such as low thermal expansion rate, product performance needs to be improved, poor water vapor transmission rate, etc., and achieve good tensile strength, thermal shrinkage rate and The effect of high water vapor transmission rate and simple structure
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[0013] The specific embodiments of the present invention will be described below in conjunction with the drawings.
[0014] Such as figure 1 As shown, a solar back sheet with high water vapor transmission rate includes a PET substrate 3, one side of the PET substrate 3 is connected to a silicon oxide coating 5 through an adhesive layer 2, and the other side of the silicon oxide coating 5 One side is connected to the weather-resistant layer 1, and the other end of the PET substrate 3 is connected to the weather-resistant adhesive layer 4 through the adhesive layer 2; the silicon oxide coating 5 is any of silicon oxide coating or silicon dioxide coating in this embodiment of. The thickness of the PET substrate 3 is 26-60 microns, the adhesive layer 2 is made of polyolefin material, and the thickness of the polyolefin material is not more than 60 microns.
[0015] The above description is an explanation of the present invention, not a limitation of the present invention. The scope o...
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