Anti-static polyolefin composite material and preparing method thereof
A composite material and polyolefin technology, which is applied in the field of antistatic polyolefin composite materials and its preparation, can solve problems such as insufficient antistatic performance, and achieve the effect of reducing surface resistivity and good antistatic effect
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[0029] The preparation steps of described modified fullerene are:
[0030] (1) Immerse the fullerene in concentrated sulfuric acid, heat it at 80-100°C for 8-12h, take it out, then filter and wash it with deionized water for 3-6 times to obtain sulfurized fullerene A;
[0031] (2) dissolving the sulfurized fullerene A in the starch solution, and ultrasonically treating it for 6-8 hours;
[0032] 3) Repeated washing and suction filtration, drying the obtained solid in a vacuum oven at 80-100° C. for 2-4 hours, finally obtaining the modified fullerene coated with starch.
[0033] Wherein the mass ratio of fullerene in step (1) and the vitriol oil is (40-60): (100-140); The mass ratio of sulfurized fullerene A and starch solution in step (2) is (20- 30): (120-160).
[0034] The toughening agent is POE.
[0035] The compatibilizer is SEBS-g-MAH.
[0036] Described antioxidant is three (2,4-di-tert-butyl) phenyl phosphite (abbreviated as Irganox168), tetrakis [β-(3,5-di-tert-bu...
preparation example 1
[0041] (1) Immerse 400 g of fullerene in 1 kg of concentrated sulfuric acid, heat it at 80° C. for 8 hours, take it out, filter and wash it with deionized water for 3 times to obtain sulfurized fullerene A;
[0042] (2) Dissolve 200 g of sulfurized fullerene A in 1.2 kg of starch solution, and ultrasonicate for 6 h.
[0043] (3) Repeated washing and suction filtration, drying the obtained solid in a vacuum oven at 80° C. for 2 hours, finally obtaining the modified fullerene coated with starch.
Embodiment 1
[0045] (1) Weigh 80 parts of PP, 6 parts of modified fullerene, 8 parts of POE, 0.1 part of SEBS-g-MAH, 0.1 part of Irganox168, mix and stir evenly to obtain a mixture;
[0046] (2) Extrude and granulate the mixture obtained in step (1) to obtain PP composite material X1.
[0047] Among them, the twin-screw extruder includes six temperature zones arranged in sequence, the temperature of the first zone is 170°C, the temperature of the second zone is 220°C, the temperature of the third zone is 230°C, the temperature of the fourth zone is 240°C, and the temperature of the fifth zone is 240°C, the temperature in the sixth zone is 240°C, the head temperature is 230°C, and the screw speed is 220r / min.
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