▎ 摘　　要

NOVELTY - Doped graphene-doped flame retardant material comprises 40-60 pts. wt. polyether polyol, 100-130 pts. wt. isocyanate, 30-50 pts. wt. lame retardant, 0.2-1 pts. wt. catalyst, 5-10 pts. wt. chain extender, 2-8 pts. wt. graphene filler, 1-5 pts. wt. stabilizer, 2-8 pts. wt. olefin filler and 2-5 pts. wt. deionized water. The flame-retardant material doped with graphene is prepared by putting polyether polyol in avacuum drying box, drying for 2-5h under the condition of the temperature is 80-100 degrees C to obtain the driedpolyether polyol, putting the isocyanate in the vacuum drying box, drying for 3-6h under the condition of the temperature is 60-80 degrees C, obtaining dried isocyanate. The dried polyether polyol obtained, lame retardant, catalyst, chain extender, graphene filler, stabilizing agent andde-ionized water are mixed in the mixing tank, and then the power is 50-60W. USE - Doped graphene-doped flame retardant material. ADVANTAGE - The doped graphene-doped flame retardant material has excellent flame retardant property, good mechanical property and low heat conductivity coefficient, it has high practical value and is worthy of popularization. DETAILED DESCRIPTION - Doped graphene-doped flame retardant material comprises 40-60 pts. wt. polyether polyol, 100-130 pts. wt. isocyanate, 30-50 pts. wt. lame retardant, 0.2-1 pts. wt. catalyst, 5-10 pts. wt. chain extender, 2-8 pts. wt. graphene filler, 1-5 pts. wt. stabilizer, 2-8 pts. wt. olefin filler and 2-5 pts. wt. deionized water. The flame-retardant material doped with graphene is prepared by putting polyether polyol in avacuum drying box, drying for 2-5h under the condition of the temperature is 80-100 degrees C to obtain the driedpolyether polyol, putting the isocyanate in the vacuum drying box, drying for 3-6h under the condition of the temperature is 60-80 degrees C, obtaining dried isocyanate. The dried polyether polyol obtained, lame retardant, catalyst, chain extender, graphene filler, stabilizing agent andde-ionized water are mixed in the mixing tank, and then the power is 50-60W, under the condition of thefrequency is 20-21kHz, performing ultrasonic dispersion treatment for 3-6h to obtain the uniformly dispersed mixture, adding the dried isocyanate obtained, into the mixture obtained, reacting for 1-3min under the condition of room temperature, then under the protection of nitrogen atmosphere, foaming and curing for 2-6h under the condition of the temperature 80-100 degrees C, taking out and curing for 6-8h at room temperature; obtaining the flame retardant material doped with graphene. An INDEPENDENT CLAIM is included for a method for preparing doped graphene-doped flame retardant material, which involves: (A) putting the prescription polyetherpolyol in a vacuum drying box; (B) drying for 2-5h under the condition of the temperature is 80-100 to obtain the dried polyether polyol; (C) putting the isocyanate in the vacuum drying box; (D) drying for 3-6h under the condition of the temperature is 60-80 degrees C; (E) obtaining dried isocyanate; (F) mixing flame retardant, catalyst, chain extender, graphene filler, stabilizing agent and de-ionized water; (G) performing ultrasonic dispersion treatment for 3-6h to obtain the uniformly dispersed mixture; (H) adding the dried isocyanate obtained into the mixture obtained; (I) reacting for 1-3min under thecondition of room temperature, then under the protection of nitrogen atmosphere, foaming and curing for 2-6h under the condition of the temperature is 80-100 degrees C; (J) taking out and curing for 6-8h at room temperature; and (K) obtaining the flame retardant material doped with graphene.