▎ 摘　　要

NOVELTY - A graphene conducting oil additive comprises 1-30 wt.% graphene, 65-98 wt.% base heat transfer oil, 0.01-0.05 wt.% metal passivating agent, 0.1-1 wt.% rust inhibitor and 0.1-4 wt.% antioxidant. USE - Graphene conducting oil additive for heat conducting oil. ADVANTAGE - The graphene conducting oil additive can be directly added to the heat conducting oil, and can effectively solve the existing heat transfer oil present at high temperature cracking gas or small molecules such as low boiling point substances. The graphene conducting oil additive can effectively improve the heat conduction efficiency of the heat conducting oil, prevents the heat conduction in the process of local overheating, delays the aging of the heat transfer oil coking, effectively improves the flash point, pouring point, kinematic viscosity, and initial boiling point of heat-transfer oil, extends the service life of the heat transfer oil, and reduces energy consumption. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of graphene conducting oil additive, which involves adding base heat transfer oil and antioxidant, stirring at 50-60 degrees C 10-30 minutes, then adding graphene, mechanically-stirring for 30-60 minutes, adding rust inhibitor and metal passivating agent, performing high-speed stirring for 10-60 minutes With 50-100 KW biaxial high-speed coating dispersant, ultrasonically dispersing at 50-60 degrees C at constant temperature at a power of 100 W for 10-30 minutes to obtain graphene conducting oil dispersion, centrifuging the graphene conducting oil dispersion at low speed, and taking the supernatant as graphene conducting oil additive.