| abstract |
A high and low temperature resistant long-life solar photovoltaic back sheet, from top to bottom at least comprises an outer layer and an inner layer connected with the outer layer, and the preparation raw materials of the outer layer, in parts by weight, at least include 20-80 parts of A polyolefin and 1-10 parts of water-insoluble solid inorganic substances, the preparation raw materials of the inner layer, by weight, at least include 20-80 parts of the second polyolefin. The outer layer and the inner layer are melted and integrally formed through co-extrusion technology, which improves the overall firmness and stability of the solar photovoltaic backplane. risk and increase the service life of the solar photovoltaic backsheet. The use of polyolefin as the main raw material improves the environmental protection of the solar photovoltaic backsheet and combines the production concept of green development. The inventors improved the high and low temperature resistance and wear resistance of the solar photovoltaic backplane by adding solid inorganic substances to the outer layer of the solar photovoltaic backplane, and increased the service life of the solar photovoltaic backplane. |