▎ 摘　　要

NOVELTY - High temperature resistant self-cleaning polyester film tape comprises polyester film substrate, where upper surface of polyester film substrate is provided with wear-resistant coating and self-cleaning coating; lower surface of polyester film substrate is provided with high temperature resistant adhesive layer and release layer, where thickness of polyester film substrate, wear-resistant coating, self-cleaning coating, high temperature resistant adhesive layer and release layer are 30-40 mu m, 2-5 mu m, 2-5 mu m, 10-15 mu m, 20-30 mu m; wear-resistant coating includes first nano-filler modified polyacrylate emulsion, surfactant, and deionized water; first nano-filler is halloysite nanotube/nano zirconia/fluorine-doped reduced graphene oxide; self-cleaning coating includes polyurethane emulsion modified by second nano-filler, surfactant, and deionized water; second nano filler is nano titanium dioxide; and adhesive layer includes epoxy resin adhesive modified by boron nitride nanosheets. USE - High temperature resistant self-cleaning polyester film tape. ADVANTAGE - The tape has excellent high temperature resistance, good self-cleaning performance and simple preparation method. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing high temperature resistant self-cleaning polyester film tape, which involves: (A) placing reduced graphene oxide powder in autoclave containing fluorine, and nitrogen at 100 degrees C for 10-20 hours to prepare fluorinated reduced graphene oxide nanosheets; (B) dispersing halloysite nanotubes, and fluorinated reduced graphene oxide nanosheets in mixed solvent of deionized water, and absolute ethanol, adding acetic acid dropwise, stirring, and mixing uniformly, and then adding orthosilicic acid ethyl ester, stirred, and hydrolyzed for 2-3 hours, then aging treatment, and finally placed in reactor to react to prepare first nano-filler; (C) mixing acrylic monomer, first nanofiller, sodium lauryl sulfate, and deionized water uniformly, then heating to 80-90 degrees C, and adding potassium persulfate dropwise to react 2-4 hours to prepare first nano-filler modified polyacrylate emulsion; mixing prepared first nano-filler modified polyacrylate emulsion, surface dispersant, and deionized water to prepare first coating slurry; (D) mixing acrylate monomers, nano-titanium dioxide, sodium lauryl sulfate, and deionized water, stirring uniformly, then heating to 80-90 degrees C, adding potassium persulfate dropwise, and reacting for 2-4 hours to prepare second nano-filler modified polyacrylate emulsion; mixing second nano-filler modified polyacrylate emulsion, surface dispersant, and deionized water to prepare second coating slurry; and (E) cleaning polyester film substrate, applying first coating slurry on upper surface of polyester film substrate, drying, applying second coating slurry, and continue drying to obtain wear-resistant coating, and self-contained coating, then coating polyimide glue on lower surface of polyester film substrate, and then laminated with release to form molding to obtain polyester film tape.