▎ 摘　　要

NOVELTY - The agent includes 10-20 pts. wt. diatomaceous earth, 3-10 pts. wt. tributyl phosphate, 2-8 pts. wt. sodium hexametaphosphate, 3-6 pts. wt. sodium sulfate, 2-10 pts. wt. graphene oxide, 5-12 pts. wt. dicyclohexylcarbodiimide, 1-5 pts. wt. alkyl organic amine, 0.2-1 pts. wt. triterpenoid saponin, 2-5 pts. wt. initiator, 6-12 pts. wt. acrylamide, 0.2-1 pts. wt. surfactant, 2-8 pts. wt. calcium lignosulfonate, 3-8 pts. wt. sulfamate, 8-10 pts. wt. sodium gluconate, 0.2-2 pts. wt. silane coupling agent, 0.1-1 pts. wt. formic acid, and 20-30 pts. wt. ethanol. USE - Composite anti-freezing agent for concrete repair engineering. ADVANTAGE - The composite anti-freezing agent can accelerate the setting speed of concrete and improve the strength and durability of concrete at minus 20 degrees Celsius.