▎ 摘　　要

NOVELTY - Anti-explosive composite material comprises semi-prepolymer A component including 40-60 wt.% polyether glycol or polyester glycol, 8-10 wt.% polyisocyanate, and 30-35 wt.% composite material of hydroxyl modified nano-carbon and polyaniline in the secondary doped state, and B component including 50-70 wt.% amino-terminated polyether or carboxyl-terminated polyether, 10-30 wt.% diamine chain extender, 0.5-1 wt.% molecular sieve powder slurry, 0.5-1 wt.% color paste, and 0.1-0.5 wt.% amino modified nano-carbon composite material, intrinsic polyaniline and secondary doped polyaniline. The polyether diol or polyester diol and polyisocyanate are present in form of an isocyanate-terminated semi-prepolymer. The composite material of nano-carbon and polyaniline in secondary doped state is a composite of graphene and polyaniline in the intrinsic state and a composite of carbon nanotubes and polyaniline in the intrinsic state after being mixed and formed by secondary doping. USE - Anti-explosive composite material modified by hydroxyl and amino groups. ADVANTAGE - The anti-explosive composite material avoids the defect of low temperature flexibility caused by increasing the hard segment content in the resin system to reinforce the material. It can be used to improve the resistance to gas explosion impact of petrochemical enterprise buildings, and can effectively reduce the explosion impact damage of petrochemical enterprise buildings. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing the anti-explosive composite material, which involves mixing the graphene raw material and mixed acid in 0.1:100 ratio, and stirring for 6-8 hours at 60?OC after uniform ultrasonic dispersion, washing with deionized water to adjust pH to 1, adding aniline and ammonium persulfate in a ratio of 0.8:1, stirring for 2 hours at room temperature and then standing for reaction for 12 hours, washing with deionized water, and filtering with suction until the filtrate neutral, drying the product at 80 degrees C to obtain the target product as a composite material of hydroxyl-modified graphene and polyaniline in a doped state, filling a dry flask with nitrogen, adding 0.1 pts. wt. composite material of hydroxyl-modified graphene and primary doped polyaniline into the flask, vacuumizing and filling with nitrogen again, and adding 80-100 pts. wt. N,N-dimethyl carboxamide, ultrasonically dispersing for 2 hours, then washing with deionized water and filtering with suction until the filtrate neutral, and drying the product at 80 degrees C to obtain the target product as hydroxyl-modified graphene and intrinsic polyaniline, mixing the carbon nanotube raw materials and mixed acid in 0.1:100 ratio, uniformly dispersing by ultrasonic, stirring at 60 degrees C for 6-8 hours, washing with deionized water to pH of 1, adding aniline and ammonium persulfate in a ratio of 0.8:1, stirring for 2 hours at room temperature and letting stand for 12 hours, then washing with deionized water, filtering with suction until the filtrate neutral, drying the product at 80 degrees C to obtain a composite material of the target product hydroxyl-modified carbon nanotubes and polyaniline in a doped state, filling the dry flask with nitrogen, adding 0.1 pts. wt. composite material of hydroxyl-modified carbon nanotubes and primary doped polyaniline into the flask, vacuumizing and filling with nitrogen again, and adding 80-100 pts. wt. N,N-2 methylformamide, ultrasonic dispersion for 2 hours, washing with deionized water and filtering with suction until the filtrate neutral, and drying the product at 80 degrees C to obtain a composite material of the target product hydroxyl-modified carbon nanotubes and intrinsic state polyaniline, mixing 0.1-10 pts. wt. composite material of hydroxyl-modified graphene and intrinsic state polyaniline and 0.1-10 pts. wt. composite material of hydroxyl-modified carbon nanotubes and intrinsic state polyaniline, adding 1 pts. wt. acrylic acid and 1 pts. wt. azobisisobutyronitrile in a constant temperature water bath at 60 degrees C and stirring for 5 hours, then washing with deionized water and filtering until it is neutral, then washing with acetone and filtering under vacuum, and placing at 80 degrees C to bake in an oven to a constant weight to obtain a composite material of the target product carboxyl modified nano-carbon and secondary doped polyaniline, filling the dry flask with nitrogen, adding 0.1 pts. wt. composite material of carboxyl modified nanocarbon and secondary doped polyaniline into the flask, vacuumizing and filling with nitrogen again, and adding 80-100 pts. wt. N,N-2 methylformamide, ultrasonically dispersing for 0.5 hours, then adding 4 pts. wt. amino-terminated polyether, stirring for 12 hours in a constant temperature water bath at 80?OC, then washing with deionized water and filtering until neutral, and finally washing with acetone and vacuum filtration, placing in an oven at 80 degrees C to bake to constant weight to obtain a composite material of the target product amino-modified nano-carbon, intrinsic state polyaniline and secondary doped polyaniline, in an inert environment, stirring and heating the polyether diol or polyester diol to 100-130?OC, dehydration under vacuum -0.1 MPa for 2-3 hours, then releasing the vacuum and cooling to 60 degrees C, adding polyisocyanate and reacting at 80-90 degrees C for 2-4 hours, after the reaction completed, measuring the isocyanate value and discharging the material, and filtering to obtain an isocyanate-terminated semi-prepolymer, in an inert environment, mixing the prepared isocyanate-terminated semi-prepolymer and composite material of functionalized carboxyl modified nano-carbon and secondary doped polyaniline with each other, and then at a temperature of 50-60?OC, using ultrasonic dispersion treatment for 24 hours, after the reaction, measuring the isocyanate value and discharging the material, and obtaining the semi-prepolymer A component by filtration, in an inert environment, mixing 50-70 wt.% amino-terminated polyether or hydroxyl-terminated polyether, 10-30 wt.% diamine chain extender, and 0.5-1 wt.% molecular sieve powder slurry and 0.5-1 wt.% color paste, dispersing, stirring and filtering to obtain the B component premix, and then mixing the B component premix and functionalized amino-modified nano-carbon with intrinsic state polyaniline and secondary state in 210:0.2-1 ratio, mixing the composite materials of doped polyaniline with each other and ultrasonically dispersing and filtering to obtain the B component, and before spraying, mixing the semi-prepolymer A component and B component in a volume ratio of 1:1 to obtain a hydroxyl and amino modified anti-explosive composite material.