▎ 摘　　要

NOVELTY - High-temperature graphene far-infrared heating film comprises an 8-layer structure is composed of a first high-temperature polyethylene terephthalate insulation layer in sequence from top to bottom, glass fiber reinforced layer, graphene enhanced far-infrared conductive paste coating, metal strip, polyethylene hot melt adhesive film, the second high temperature polyethylene terephthalate insulation layer, and grounded metal strip and third high temperature polyethylene terephthalate insulation. USE - Used as high-temperature graphene far-infrared heating film. ADVANTAGE - The film works under the high temperature condition. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparation of high temperature graphene far-infrared heating film comprising (i) mixing 9-10 pts. wt. graphene powder and 2-3 pts. wt. far-infrared emitter, then adding 2-3 pts. wt. binding diluent to obtain slurry, where the binder diluent is high temperature resistant phenolic resin and graphene powder having a particle size of 40-55 nm and then mechanical milling for 2 hours to obtain graphene enhanced far-infrared conductive paste coating, (ii) coating the graphene reinforced far-infrared conductive paste coated on the metal current-carrying bar uniformly and drying, (iii) coating the finished metal carrier fluid on the lower surface of the polyethylene hot melt adhesive slurry evenly, adhering the second high temperature resistant polyethylene terephthalate insulating layer coated with the polyethylene hot melt adhesive slurry to the lower surface of the metal carrying fluid through the polyethylene hot melt adhesive slurry, and then drying, (iv) bonding the grounding metal strip to the lower surface of the second high-temperature polyethylene terephthalate insulating layer after the step (iii) using transparent adhesive, then adhering the lower surface of the grounded metal strip to the upper surface of the third high-temperature-resistant polyethylene terephthalate insulating layer through a transparent adhesive, and drying, (v) placing the glass fiber reinforced in a transparent polyethylene terephthalate slurry evenly, and drying, (vi) adhering the upper surface of the glass fiber reinforced layer after the step (v) to the lower surface of the first high-temperature polyethylene terephthalate insulating layer through a transparent adhesive, and (vii) bonding the lower surface of the glass fiber reinforced layer after the step (vi) to the upper surface of the graphene-reinforced far-infrared conductive paste coating after the step (iv) with a transparent adhesive and drying to obtain final product.