| abstract |
The invention relates to a PE pipeline improvement material and a preparation method thereof. The PE pipeline improvement material comprises 50-80 parts of high-density polyethylene, 20-35 parts of elastic modifier, 4-9 parts of cross-linking agent and 3-5 parts of filler , 1 to 2 parts of anti-aging aids and 1 to 3 parts of processing aids, the elasticity modifier is thermoplastic polyurethane elastomer rubber, butylene terephthalate, epoxy resin and glycidyl methacrylate, The linking agent is one or more of methyl tert-butyl phenolic resin, 2,5-di-tert-butylperoxide-2,5-dimethylhexane or trimethylolpropane triacrylate, and the Density polyethylene and elastic modifier are copolymerized and cross-linked, added to a twin-screw extruder, extruded and pelletized, and then injected into a standard spline, which is made by introducing elastic branch segments, reducing low molecular pores, and adding appropriate additives to improve mechanical properties. Processing performance, coping with aging reactions and environmental fission effects, improving the service life of PE pipes and reducing maintenance costs. |