Novel high-strength HDPE (High-Density Polyethylene) composite tube and production method thereof
A composite pipe, high-strength technology, applied in the direction of pipes, rigid pipes, pipes/pipe joints/pipe fittings, etc., can solve the problems of poor impact resistance, low compressive strength, and poor flame retardancy of pipes, and achieve wear resistance High performance, extended service life, and improved material properties
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Embodiment 1
[0018] Embodiment 1: 50 parts of PE resin, 0.2 part of sorbitol, and 5 parts of thermoplastic polyurethane elastomer are put into the hopper of the first extruder by weight ratio; 80 parts of PE resin, 2 parts of mica powder, calcium sulfate crystal 2 parts of whiskers, 1 part of nano titanium dioxide, 1 part of aluminum borate whiskers, 5 parts of maleic anhydride grafted polyethylene, 3 parts of sodium benzoate, 0.5 parts of antioxidant BHT, 0.5 parts of phenyl o-hydroxybenzoate, polyethylene glycol 0.3 parts of alcohol are mixed and put into the hopper of the second extruder; the third extruder prepares the HDPE core pipe 5. During production, the HDPE core pipe (high-density polyethylene) 5 is extruded by the third extruder, and the PE bonding layer 3 is extruded by the first extruder to wrap the HDPE core pipe 5. After water cooling and sizing, The modified PE layer 1 is extruded by the second extruder to wrap the PE binding layer 3 . This can ensure that the inner and o...
Embodiment 2
[0019] Embodiment 2: Put 50 parts of PE resin, 0.5 part of sorbitol, and 3 parts of thermoplastic polyurethane elastomer into the hopper of the first extruder by weight; 82 parts of PE resin, 3 parts of mica powder, calcium sulfate crystal 3 parts of whiskers, 1 part of nano titanium dioxide, 2 parts of aluminum borate whiskers, 5 parts of maleic anhydride grafted polyethylene, 2 parts of sodium benzoate, 0.4 parts of antioxidant BHT, 0.3 parts of phenyl phthalate, polyethylene glycol 0.2 parts of alcohol are mixed and put into the hopper of the second extruder; the HDPE core pipe 5 is prepared by the third extruder. During production, the HDPE core pipe 5 is extruded by the third extruder, and the PE bonding layer 3 is extruded by the first extruder to wrap the HDPE core pipe 5. After water cooling and sizing, the second extruder Machine extruded modified PE layer 1 wraps PE bonding layer 3 . This can ensure that the inner and outer layers of PE are thermally fused together ...
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