▎ 摘　　要

NOVELTY - Aqueous graphene-based electric heating film comprises a flexible substrate, cationic adhesive layer adhered to the upper and lower surfaces of the flexible substrate and anionic graphene conductive ink layer adhered to the cationic adhesive layer. USE - As aqueous graphene-based electric heating film. ADVANTAGE - The method is simple and economical, the heating film has excellent heating performance and flame retardant performance, is safe and environmentally-friendly, and is suitable for industrialized large-scale production. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing electric heating film involving drying cationic adhesive and anionic graphene conductive ink on the first surface of the flexible substrate in sequence, and sequentially adhering cationic adhesive and anionic graphene conductive ink to the second surface of the flexible substrate to obtain the product.