▎ 摘　　要

NOVELTY - Processing cold-rolled steel strip with radiating function comprises (i) taking diethylenetriamine, sodium ethylate and absolute ethanol, ultrasonically dispersing, heating, stirring, adding 1H, 1H, 2H, 2H-perfluorooctyl methacrylate, heat-preserving for 10-12 hours under nitrogen atmosphere, reacting and cooling, and distilling off solvent under reduced pressure to obtain a modified curing agent, (ii) taking heat conducting filler and absolute ethanol, ultrasonically dispersing, adding modified curing agent, uniformly stirring, adding epoxy resin, and continuously and uniformly stirring to obtain epoxy resin coating liquid, and (iii) taking cold-rolled steel strip, polishing surface, soaking in sodium hydroxide solution for 10-20 minutes, washing with deionized water, transferring to KH-550, absolute ethanol, deionized water mixture, soaking for 1-2 hours, taking out and drying, spraying epoxy resin coating liquid on the surface of cold-rolled steel strip, and curing. USE - The strip is useful in electronic field. ADVANTAGE - The method: optimizes and improves the surface coating process of the cold-rolled steel strip; improves the heat conducting of cold-rolled steel strip while improving the surface corrosion resistance of the cold-rolled steel strip, and radiating performance of the cold-rolled steel strip; designs components of the coating liquid of each layer on the surface of the cold-rolled steel strip reasonably; mixes overlapping networks of bottom layer and middle layer of product and differentiates to prevent the entry of corrosion medium through the shape design and magnetic change of the heat conducting filler of different layers and after curing under subsequent magnetic field conditions; directionally arranges the outermost layer for protection; and improves the overall corrosion resistance of the product. The product: has excellent radiating performance and high practicability. DETAILED DESCRIPTION - Processing cold-rolled steel strip with radiating function comprises (i) taking diethylenetriamine, sodium ethylate and absolute ethanol, ultrasonically dispersing for 20-30 minutes, heating to 65-70°C, stirring for 1-2 hours, adding 1H, 1H, 2H, 2H-perfluorooctyl methacrylate, heat-preserving for 10-12 hours under nitrogen atmosphere, reacting and cooling, and distilling off solvent under reduced pressure to obtain a modified curing agent, (ii) taking heat conducting filler and absolute ethanol, ultrasonically dispersing, adding modified curing agent, uniformly stirring, adding epoxy resin, and continuously and uniformly stirring to obtain epoxy resin coating liquid, and (iii) taking cold-rolled steel strip, polishing surface, soaking in sodium hydroxide solution for 10-20 minutes, washing with deionized water, transferring to KH-550, absolute ethanol, deionized water mixture, soaking for 1-2 hours, taking out and drying, spraying epoxy resin coating liquid on the surface of cold-rolled steel strip, and curing to obtain finished product, where in the step (ii), the heat conducting filler is nanowires, nanoparticles and nanosheets compound, the nanowire is silicon carbide nanowires and/or magnetic silicon carbide nanowires, the nanoparticle is nano-silicon dioxide particle, nano-aluminum oxide particle, magnetic nano-silicon dioxide particle and/or magnetic nano-alumina particle compound, and the nanosheets are composites of graphene nanosheets, magnetic graphene nanosheets and/or magnetic boron nitride nanosheets. An INDEPENDENT CLAIM is also included for a cold-rolled steel strip with radiating function processed by the above-mentioned method.