Conductive polypropylene composite material and preparation method thereof
一种复合材料、聚丙烯的技术,应用在导电聚丙烯复合材料及其制备领域,能够解决成本高、加工性能和力学性能变差、溶体粘度增加等问题,达到低价格、提高加工性能、促进分散的效果
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Embodiment 1
[0024] After mixing 3 parts by mass of 1-allyl-3-methyl-imidazolium chloride salt and 15 parts of conductive carbon black according to a certain mass ratio, they were ground and mixed at room temperature.
[0025] The conductive carbon black prepared above, 81 parts of homopolypropylene with a melt index of 60g / 10min, and 1 part of hindered phenolic heat stabilizer were weighed according to the mass ratio and mixed evenly, passed through a twin-screw extruder, through mixing, Conductive polypropylene composite material can be obtained by extrusion, drawing and pelletizing.
Embodiment 2
[0027] After mixing 4 parts by mass of 1-allyl-3-methyl-imidazolium chloride salt and 18 parts of conductive carbon black according to a certain mass ratio, they were ground and mixed at room temperature.
[0028] The conductive carbon black prepared above was mixed with 76.5 parts of copolymerized polypropylene having a melt index of 40g / 10min and 1.5 parts of heat stabilizer according to the mass ratio, and then mixed evenly, passed through a twin-screw extruder, through mixing, extrusion, drawing The conductive polypropylene composite material can be obtained by stripping and pelletizing.
Embodiment 3
[0030] After mixing 3.5 parts by mass of 1-allyl-3-methyl-imidazolium chloride salt and 20 parts of conductive carbon black according to a certain mass ratio, they were ground and mixed at room temperature.
[0031] The conductive carbon black prepared above was mixed with 75.7 parts of homopolypropylene with a melt index of 80g / 10min, and 0.8 parts of hindered phenolic heat stabilizer according to the mass ratio, and mixed evenly, passed through a twin-screw extruder, through mixing, Conductive polypropylene composite material can be obtained by extrusion, drawing and pelletizing.
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