▎ 摘　　要

NOVELTY - Graphene silver nanowire composite electric heating cloth is made of a conductive heat-generating paste by film casting. The graphene silver nanowire composite electric heating cloth comprises 1-10mg/mL silver nanowire dispersion, 1-20 pts. wt. graphene powder, 20-50 pts. wt. carbon black, 1-20 pts. wt. 30-55 wt.% aqueous polyurethane resin, 1-50 pts. wt. 30-80 wt.% aqueous epoxy resin, 1-20 pts. wt. 30-80 wt.% aqueous acrylic resin, 1-30 pts. wt. water, 0.1-5 pts. wt. dispersing agent, and 0.1-2 pts. wt. curing agent, which is hexamethylenediamine. USE - Graphene silver nanowire composite electric heating cloth. ADVANTAGE - The graphene silver nanowire composite electric heating cloth allows uniform heating, has good thermal stability, precise temperature control, good flexible, foldable, good water washing, and ensures sterilizing effect of far infrared physical therapy and health care effects, and is flexible and foldable. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing graphene silver nanowire composite electric heating cloth, which involves: (A) mixing graphene powder, carbon black, dispersant, waterborne polyurethane resin and water and uniformly dispersing by ball milling in a ball mill, and finally filtering through a 250 mesh screen cloth to obtain mixed slurry A; (B) mixing silver nanowire dispersion, aqueous epoxy resin and waterborne acrylic resin to a vacuum mixer and defoaming in vacuum and uniformly mixing to obtain mixed slurry B; (C) adding mixed slurry A to a vacuum mixer, then stirring, and adding pH buffer for adjusting the pH to 6-10, and mixing slurry B and curing agent hexamethylenediamine after sequential adding, and stirring to obtain conductive heating slurry; (D) adding water to the conductive heating paste to adjust the solid content and stirring uniformly to obtain solution for cast film formation; and (E) casting the solution for cast film formation through a die of a casting machine to a steel strip of a casting line, controlling the casting speed at 20-70 m/minutes, and then placing at 60-150 degrees C for drying in drying tunnel, and finally peeling off, to obtain desired product.