Modified polypropylene master batch, melt-blow cloth, preparation method and application thereof
A polypropylene and melt-blown cloth technology, applied in the field of melt-blown cloth and its preparation, modified polypropylene masterbatch, and application of modified polypropylene masterbatch, can solve problems such as reducing the filtration efficiency of melt-blown cloth, and achieve spinnability. The effect of silkiness improvement, spinnability improvement and filtration efficiency improvement
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Embodiment 1
[0060] Production of modified polypropylene masterbatch:
[0061] Graphene powder (graphene C with screening particle size ≤ 10 μm), polypropylene slices, coupling agent (remixed butyl titanate and isopropyl titanate), dispersant (polyethylene wax) and antioxidant (Tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionic acid]pentaerythritol ester) was added to the high-speed mixer for mixing After being mixed evenly, it is added to a twin-screw extruder, melted and extruded, cooled in a water bath, and cut to make a graphene composite polypropylene masterbatch.
Embodiment 2
[0063] The difference from Example 1 is that the ratio of raw materials is different, and the percentages of graphene powder, polypropylene chips, coupling agent, dispersant and antioxidant are respectively:
[0064] 15%, 82%, 2%, 0.99%, 0.01%.
Embodiment 3
[0066] The difference from Example 1 is that the ratio of raw materials is different, and the percentages of graphene powder, polypropylene chips, coupling agent, dispersant and antioxidant are respectively:
[0067] 5%, 90%, 2%, 2.8%, 0.2%.
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