Special high-density polyethylene compound for automobile windshield washer and preparation method thereof
A technology of high-density polyethylene and washing pots, which is applied in the field of polymer materials and their molding processing, can solve the problems of poor rigidity and heat resistance, and the decline of heat resistance of washing pots, and achieve aging resistance and good mechanical properties As well as the effect of heat resistance and excellent high temperature aging resistance
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Embodiment 1
[0021] A special high-density polyethylene compound for car washing jugs, composed of HDPE, LLDPE, ESCR synergist and heat stabilizer. The preparation method is as follows: 81.5 kg of HDPE HXM50100, 15 kg of LLPDE7050, 3 kg of hydrogenated styrene-isoprene-styrene SEPTON2002, 0.25 kg of phenolic heat stabilizer 1010, and 0.25 kg of phosphite heat stabilizer 168 in Melt, mix and disperse in a twin-screw extruder with an aspect ratio of 1:40, set the temperature of each section of the extruder at 210°C, extrude and granulate, and finally obtain a high-density polyethylene compound for car washing pots. The performance is as follows:
[0022] performance
Embodiment 2
[0024] A special high-density polyethylene compound for car washing jugs, composed of HDPE, LLDPE, ESCR synergist and heat stabilizer. The preparation method is as follows: 85.4 kg of HDPE5421B, 10 kg of LLPDELL101AA, 4 kg of poly-1-butene PB-1DP8911M, 0.3 kg of phenolic heat stabilizer 1010, 0.3 kg of phosphite heat stabilizer 168 at an aspect ratio of 1 : 40 in a twin-screw extruder for melting, mixing and dispersing, the temperature of each section of the extruder is set at 210°C, extruded and granulated, and finally a high-density polyethylene compound for car washing pots is obtained. The performance is as follows:
[0025] performance
Embodiment 3
[0027] A special high-density polyethylene compound for car washing jugs, composed of HDPE, LLDPE, ESCR synergist and heat stabilizer. The preparation method is as follows: 87 kg of HDPE5421D, 7 kg of LLPDE1802, 5 kg of ethylene-vinyl acetate copolymer EVA460, 0.5 kg of phenolic heat stabilizer 1010, 0.5 kg of phosphite heat stabilizer 168 at an aspect ratio of 1 : 40 in a twin-screw extruder for melting, mixing and dispersing, the temperature of each section of the extruder is set at 210°C, extruded and granulated, and finally a high-density polyethylene compound for car washing pots is obtained. The performance is as follows:
[0028] performance
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