▎ 摘　　要

NOVELTY - Graphene-based organosilicon porous nanomaterial comprises component A and component B mixed in a mass ratio of 1-2:1, where the component A comprises 10-50 pts. wt. methyl vinylpolysiloxane, 0.1-5 pts. wt. methyl hydrogen-containing polysiloxane, 0.1-10 pts. wt. chainextender, 5-30 pts. wt. release agent, 0.0.01-1 pts. wt. silane coupling agent, 0.5-5 pts. wt. silicone-based inhibitor, and foaming agent. The component B comprises 10-20 pts. wt. methyl vinyl polysiloxane, 10-30 pts. wt. methylvinyl MQ silicone resin, 0.1-10 pts. wt. release agent, 5-30 pts. wt. graphite, 0.05-2 pts. wt. structured control agent, 0.01-1 pts. wt. catalyst, and 0.5-5 pts. wt. activating agent. USE - Graphene-based organosilicon porous nanomaterial. ADVANTAGE - The graphene-based organosilicon porous nanomaterial is suitable for light weight application scenarios such as sealed shock absorption,microwave absorption, electromagnetic shielding and heat radiation protection, and has excellent impact resistance and thermal stability. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing a graphene-based organosilicon porous nanomaterial, which involves preparing component A and component B, dispersing the release agent, graphene and foaming agent in methyl vinyl polysiloxane, methyl hydrogen-containing polysiloxane, chain extender, structure control agent, silane comprises coupling agent and silicone-based inhibitor, make component A, and dispersing the release agent, graphene and activator in a mixed system composed of methyl vinyl polysiloxane, methyl vinyl MQ silicone resin, structure control agent and catalyst to obtain component B, wqhere the vacuum negative pressure during dispersion is -0.08-0.1 Mpa, the rotation speed of the stirring blade is 30-50r/min, and the rotation speed of the dispersion disk is 800-1200r/min.