Modified high-density polyethylene hose and composition thereof

The invention discloses a modified high-density polyethylene hose which comprises the following components: high-density polyethylene, m-linear low-density polyethylene, low-density polyethylene, polypropylene, an ethylene-vinyl acetate copolymer, a hyperbranched polymer, a compatilizer, an antioxidant and a coloring agent, and the components are mixed according to a certain weight part ratio; the preparation method comprises the following steps: mixing the raw materials in a mixer, uniformly mixing the raw materials, putting the mixture in an extruder, carrying out extrusion molding at a certain temperature, and carrying out cooling qualitative treatment to obtain the modified high-density polyethylene hose product. The modified high-density polyethylene hose provided by the invention is good in modification, excellent in processability, good in compatibility, high in mechanical strength and glossy in surface, and can be widely applied to a farmland water-saving irrigation system. The invention further discl