▎ 摘　　要

NOVELTY - A deep sea oil and gas transmission pipe wall adhesive comprises 55-70 wt.% polypropylene, 20-30 wt.% functional polyolefin, 2-6 wt.% reactive monomer, 1-3 wt.% graphene, 2-5 wt.% nano-calcium carbonate, 0.1-0.6 wt.% initiator, 0.4-0.8 wt.% nucleating agent, and 0.1-1.5 wt.% antioxidant. USE - Deep sea oil and gas transmission pipe wall adhesive used in anti-corrosion coating. ADVANTAGE - The adhesive has excellent mechanical properties, improved low-temperature impact performance, and wide application prospects. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for the preparation of pipe wall adhesive comprising mixing raw materials, stirring at 650-850 revolutions/minute (rpm), extruding using twin-screw extruder for 2-3 minutes at 175 degrees C, 180 degrees C, 185 degrees C, 190 degrees C, 200 degrees C, 200 degrees C, 195 degrees C, 185 degrees C and 175 degrees C per sequential section with speed of 550-750 rpm, kneading, plasticizing, cooling in water-cooled tank at 35-50 degrees C, drying, pelletizing, and packaging.