▎ 摘 要
NOVELTY - Self-healing electromagnetic shielding material comprises polyacrylic acid, calcium chloride, water-soluble polymer, carbon material and water-soluble carbonate. USE - The material is useful in electronic device (claimed). ADVANTAGE - The material: has self-healing function, excellent electromagnetic shielding performance, self-healing and electromagnetic shielding properties. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing the self-healing electromagnetic shielding material, comprising (i) dispersing polyacrylic acid, calcium chloride, water-soluble polymer and carbon material in water to obtain mixed solution, and (ii) adding an aqueous solution of water-soluble carbonate to the mixed solution obtained in the step (i) and reacting to obtain electromagnetic shielding material.