▎ 摘　　要

NOVELTY - Anti-explosive composite material modified by hydroxyl and amino groups comprises a semi-prepolymer component A and component B, where the semi-prepolymer component A comprises 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 component B includes comprises 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, 0.1-0.5 wt.% composite material of amino modified nano carbon, intrinsic polyaniline and secondary doped polyaniline. USE - Anti-explosive composite material modified by hydroxyl and amino groups. ADVANTAGE - The anti-explosive composite material modified by hydroxyl and amino groups avoids the defect of material low temperature flexibility caused by reinforcing material by improving the hard segment content in the resin system, which can be used for improving the petrochemical enterprise building anti-gas explosion impact capability, which can effectively reduces the petrochemical enterprise building explosion impact damage. DETAILED DESCRIPTION - Anti-explosive composite material modified by hydroxyl and amino groups comprises a semi-prepolymer component A and component B, where the semi-prepolymer component A comprises 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 component B includes comprises 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, 0.1-0.5 wt.% composite material of amino modified nano carbon, intrinsic polyaniline and secondary doped polyaniline, polyether diol or polyester diol, and the polyisocyanate are present in the semi-prepolymer component A in the form of an isocyanate-terminated semi-prepolymer, and the nanocarbon is in a secondary doped state. The polyaniline composite material is a composite material formed by mixing a composite of graphene, an intrinsic state polyaniline, and carbon nanotubes after being doped twice. An INDEPENDENT CLAIM is included for a method for preparing an anti-explosive composite material modified by hydroxyl and amino groups, which involves: (A) mixing the graphene raw material with the mixed acid at a mass percentage of 0.1:100, stirring for 6-8 hours at 60 degrees C after uniform ultrasonic dispersion, washing with deionized water when the water is washed to pH is 1, adding aniline and ammonium persulfate in a ratio of 0.8:1, stirring for 2 hours at room temperature and let standing for 12 hours, then washing with deionized water multiple times and filter with suction until the filtrate is neutral, drying the product at 80 degrees C to obtain target product is a composite material of hydroxyl-modified graphene and polyaniline in a doped state; (B) filling the dry flask with nitrogen, adding 0.1 pts. wt. composite material of hydroxy-modified graphene and primary doped polyaniline into the flask, vacuumizing and filling with nitrogen again, adding 80-100 pts. wt. N,N-dimethyl carboxamide, ultrasonically dispersing for 2 hours, then washing with deionized water multiple times and filtering with suction until the filtrate is neutral, drying product at 80 degrees C to obtain a composite material of the target product hydroxyl-modified graphene and intrinsic polyaniline; (C) mixing 0.1-10 pts. wt. hydroxyl-modified graphene and intrinsic state polyaniline composite material and 0.1-10 pts. wt. carbon nanotubes, adding 1 pts. wt. acrylic acid and 1 pts. wt. azobisisobutyronitrile, stirring at 60 degrees C for 5 hours, then washing with deionized water multiple times and filter to neutrality, then washing with acetone multiple times and vacuum filter, placing in an oven at 80 degrees C and baking to constant weight to obtain the target product carboxyl modified nano composite material of carbon and polyaniline in secondary doping state; (D) filling the dry flask with nitrogen, adding 0.1 pts. wt. composite material of carboxyl modified nano-carbon and secondary doped polyaniline into the flask, vacuumizing and filling with nitrogen again, adding 80-100 pts. wt. N,N-dimethylformamide, 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 degrees C, then washing with deionized water multiple times and filtering until it was neutral, and finally washed with acetone multiple times and vacuum filtration, placed in an oven at 80 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, where the composite material of heteromorphic polyaniline includes composite material of hydroxyl-modified graphene and secondary doped polyaniline, and composite of hydroxyl-modified carbon nanotubes and secondary doped polyaniline; (E) stirring and heating the polyether diol or polyester diol to 100-130 degrees C, dehydrating under vacuum -0.1 megaPascal for 2-3 hours, then releasing the vacuum and cooling to 60 degrees C and reacting at 80-90 degrees C for 2-4 hours, measuring the NCO value and discharging the material, and filtering to obtain an isocyanate-terminated semi-prepolymer; (F) mixing the prepared isocyanate-terminated semi-prepolymer and the composite material of functionalized carboxyl modified nano-carbon and secondary doped polyaniline with each other at a temperature of 50-60 degrees C, using ultrasonic dispersion treatment for 24 hours, measuring NCO value and discharging material and filtering semi-prepolymer component A; (G) mixing the amino-terminated polyether or hydroxyl-terminated polyether, diamine chain extender, and molecular sieve powder at a mass percentage of 50-70%:10-30%:0.5-1%:0.5-1%, dispersing slurry and the color paste, stirring and filtering to obtain the B component premix, mixing composite materials of doped polyaniline with each other and ultrasonically dispersing and filtering to obtain the B component; and (H) spraying, mixing semi-prepolymer component A and the component B with each other in a volume ratio of 1:1 to obtain product.