▎ 摘　　要

NOVELTY - An antibacterial and formaldehyde removal conductive coating comprises 0.2-0.5 pt. wt. carboxymethyl chitosan, 5-10 pts. wt. polyethyleneimine, 15-25 pts. wt. aqueous graphene solution, 0.2-0.5 pt. wt. copper sulfate, 0.2-0.5 pt. wt. aqueous nano silver solution, 5-10 pts. wt. aqueous polyurethane solution and 200 pts. wt. deionized water. The weight percentage of graphene in the aforementioned graphene aqueous solution is 2-5%. The weight percentage of nano-silver in the aforementioned nano-silver aqueous solution is 2-5%. The weight percentage of polyurethane in the aforementioned aqueous polyurethane solution is 20-40%. USE - Antibacterial and formaldehyde removal conductive coating used in air purification filter (claimed). ADVANTAGE - The coating has the characteristics of strong formaldehyde removal effect, significant antibacterial effect and longer antibacterial time. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a preparation of the antibacterial and formaldehyde-removing conductive coating, which involves (1) adding polyethyleneimine to deionized water and stirring once, (2) adding carboxymethyl chitosan and stirring twice and (3) adding graphene aqueous solution, polyurethane aqueous solution, nano silver solution and copper sulfate, and stirring for three times and obtaining the desired conductive coating.