▎ 摘　　要

NOVELTY - Road maintenance joint filling glue comprises 120-190 pts. wt. modified asphalt, 8-15 pts. wt. acrylonitrile-butadiene-styrene, 10-16 pts. wt. carbon fiber, 2-5 pts. wt. defoamer, 3-6 pts. wt. polyethylene glycol, 8-15 pts. wt. rubber substrate particles, 7-12 pts. wt. aluminum alloy wire and 15-25 pts. wt. graphene powder. USE - Used as road maintenance joint filling glue. ADVANTAGE - The road maintenance joint filling glue has better connectivity and environment adaptability. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparation method of road maintenance joint filling glue, comprising (i) heating the modified asphalt to 185-195℃, (ii) thermally insulating the modified asphalt at 180℃, adding into the mixing tank, adding acrylonitrile-butadiene-styrene, carbon fiber and defoamer, until it is evenly stirred, (iii) cooling to 150℃, continuously stirring, and adding polyethylene glycol, rubber substrate particles and graphene powder, and (iv) heating the aluminum alloy wire to 550-650℃, adding into the mixture, mixing and pouring into the road gap.