▎ 摘　　要

NOVELTY - Graphene polyurethane includes 20-40 pts. wt. component A, 10-30 pts. wt. component B, 1-10 pts. wt. component C, 10-30 pts. wt. component D, 1-10 pts. wt. component E, 0.1-5 pts. wt. component F, 0.1-5 pts. wt. component G, 1-30 pts. wt. component H, 1-10 pts. wt. component I, 0.1-5 pts. wt. component J and 0.1-5 pts. wt. component K. The component E is rosin resin, terpene resin and novolac resin. The component F is 1,4-butanediol, glycerin, triethanolamine, and 3,3-dichloro-4,4-diaminodiphenylmethane. The component G is phenylboronic acid, organic boron heterocyclic compound, hydrocarbylborane and carborane. The component H is single-layer graphene, double-layer graphene, reduced-layer graphene and multi-layer graphene. The component I is single-wall carbon nanotubes and multi-wall carbon nanotubes. The component J is dibutyltin dilaurate, stannous octoate, bismorpholinyl diethyl ether and N,N-dimethylcyclohexylamine. USE - Graphene polyurethane. ADVANTAGE - The graphene polyurethane has excellent electronic and thermal effects and other physical properties, achieves electromagnetic and thermal shielding performance, good filling properly controlled, and achieves excellent mechanical strength and reliable stability. DETAILED DESCRIPTION - Graphene polyurethane includes 20-40 pts. wt. component A, 10-30 pts. wt. component B, 1-10 pts. wt. component C, 10-30 pts. wt. component D, 1-10 pts. wt. component E, 0.1-5 pts. wt. component F, 0.1-5 pts. wt. component G, 1-30 pts. wt. component H, 1-10 pts. wt. component I, 0.1-5 pts. wt. component J and 0.1-5 pts. wt. component K. The component A is a saturated monomer or an unsaturated monomer conforming to structural formula HO(R)aOH. The component B is a saturated monomer or an unsaturated monomer conforming to the structural formula HO(R)bOH. The component C is a saturated monomer or an unsaturated monomer conforming to formula HO(R)COH. The component D is an unsaturated monomer conforming to the formula R-(NCO)n. The component E is rosin resin, terpene resin and novolac resin. The component F is 1,4-butanediol, glycerin, triethanolamine, and 3,3-dichloro-4,4-diaminodiphenylmethane. The component G is phenylboronic acid, organic boron heterocyclic compound, hydrocarbylborane and carborane. The component H is single-layer graphene, double-layer graphene, reduced-layer graphene and multi-layer graphene. The component I is single-wall carbon nanotubes and multi-wall carbon nanotubes. The component J is dibutyltin dilaurate, stannous octoate, bismorpholinyl diethyl ether and N,N-dimethylcyclohexylamine. The component K is a functional additive conforming to structural formula YRnSiX3-n. a, b, c, n=2; R=-R1OR2-, alkyl group, an aryl group or an alicyclic group; Y'=represents an amino group, a mercapto group, a long-chain alkyl group, an epoxy group, a cyano group, or a methacryloyloxy group; and X=represents a hydrolyzable group. An INDEPENDENT CLAIM is included for a method for preparing graphene polyurethane, which involves: (A) adding component A, component B, component C, component H and component I to a reactor with stirring at 110-130 degrees C for 2-4 hours; (B) adding component D, component E, component F and component G to the reactor at 70-90 degrees C with stirring for 2-4 hours; (C) adding component J and component K to the reactor at 70-90 degrees C with stirring; and (D) stirring the reaction mixture to prepare the graphene polyurethane.