| abstract |
The invention provides a chemical floor anti-seepage composite film and a preparation process thereof, wherein the composite film comprises: the polyester film comprises a first polyester film and a second polyester film which have different densities, and is prepared by a multi-layer co-extrusion process; the fluorine-silicon nano coating comprises a fluorine-silicon nano coating and a hydrophobic oil-repellent layer; the hydrophobic oil-repellent layer, the fluorine-silicon nano coating, the first polyester film layer and the second polyester film layer are sequentially arranged to form the composite film. |