Preparation method for composite material of corrugated pipe of natural gas pipeline

[0014] ① Take by weight: 70 parts of acrylic rubber, 25 parts of bromobutyl rubber, 10 parts of fluororubber, 6 parts of white carbon black, 15 parts of polytetrafluoroethylene, 8 parts of dioctyl ester, glue T-78 4 parts, 0.5 parts of zinc oxide, 1 part of ferrocene, 2 parts of zinc stearate, 0.3 parts of trilead tetroxide, 3 parts of accelerator TBZTD, and 5 parts of accelerator CZ;

[0015] ② Add zinc oxide, ferrocene, zinc stearate, and lead tetraoxide to grind them into fine powder together with abrasives, then put the resulting mixed fine powder into a microwave oven, heat it for 40 minutes at a power of 200W, take it out and cool it naturally to room temperature;

[0016] ③Add acrylate rubber, bromobutyl rubber, and fluororubber to the internal mixer, and banbury at 85°C for 10 minutes, then continue to add white carbon black, polytetrafluoroethylene, dioctyl ester, and glue T-78, Lower the temperature to 65°C, banbury for 20 minutes, then add the mixed micropowder prepar

[0020] ① Take by weight: 80 parts of acrylate rubber, 30 parts of brominated butyl rubber, 15 parts of fluororubber, 10 parts of white carbon black, 18 parts of polytetrafluoroethylene, 12 parts of dioctyl ester, glue T-78 6 parts, 0.8 parts of zinc oxide, 2 parts of ferrocene, 4 parts of zinc stearate, 0.6 parts of trilead tetroxide, 6 parts of accelerator TBZTD, and 8 parts of accelerator CZ;

[0021] ②Add zinc oxide, ferrocene, zinc stearate, and lead tetraoxide to abrasives and grind them into micropowders, then add the resulting mixed micropowders into a microwave oven, heat them at 230W for 50 minutes, take them out and cool them naturally to room temperature;

[0022] ③ Add acrylate rubber, bromobutyl rubber, and fluororubber to the internal mixer, and banbury at 90°C for 15 minutes, then continue to add white carbon black, polytetrafluoroethylene, dioctyl ester, and glue T-78, Lower the temperature to 70°C, banbury for 25 minutes, then add the mixed micropowder prepared