Black master batch and preparation method thereof
A technology of black masterbatch and carbon black, which is applied in the field of high-concentration black masterbatch and its preparation, can solve the problems of poor dispersibility of carbon melanin, low blackness and brightness, and low concentration of black masterbatch, and achieves good dyeing effect, The effect of high brightness and high carbon black concentration
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[0023] Example 1:
[0024] Formula: LLDPE6201 15%
[0025] Degussa 900L 70%
[0026] PE wax 5%
[0027] EBS 9.4%
[0028] Antioxidant 1076 0.4%
[0029] Coupling agent KH-550 0.2%
[0030] Preparation method: first pre-mix according to the formula ratio, then mix evenly in a high-speed mixer (rotating speed 1500r / min), then add to the internal mixer, banbury at 150°C for 10 minutes, and pulverize the obtained material with crushing equipment. Finally, the pulverized material is added to a twin-screw extruder for extruding, and it is eagerly cut in water, cooled and dried to obtain the required masterbatch.
[0031] The process is as follows: twin screw first stage temperature 180-200℃, second stage temperature 180-200℃, third stage temperature 180-200℃, fourth stage temperature 180-200, fifth stage temperature 170-180, sixth stage temperature 170-180, Seven-stage temperature 170-180, eight-stage temperature 170-180, die temperature 190-210.
Example Embodiment
[0032] Example 2:
[0033] Formula: LLDPE6201 11%
[0034] Degussa 900L 80.4%
[0035] PE wax 3%
[0036] TAS-2A 5%
[0037] Antioxidant 1076 0.4%
[0038] Coupling agent KH-550 0.2%
[0039] Preparation method: first pre-mix according to the formula ratio, then mix evenly in a high-speed mixer (rotating speed 1500r / min), then add to the internal mixer, banbury at 150°C for 10 minutes, and pulverize the obtained material with crushing equipment. Finally, the pulverized materials are added to a twin-screw extruder for extrusion, hot-cut in water, cooled, and dried to obtain the required masterbatch.
Example Embodiment
[0040] Example 3
[0041] Formula: LLDPE620 15%
[0042] Degussa 900L 89.4%
[0043] PE wax 3%
[0044] TAS-2A 2%
[0045] Antioxidant 1076 0.4%
[0046] Coupling agent KH-550 0.2%
[0047] Preparation method: first pre-mix according to the formula ratio, then mix evenly in a high-speed mixer (rotating speed 1500r / min), then add to the internal mixer, banbury at 150°C for 10 minutes, and pulverize the obtained material with crushing equipment. Finally, the pulverized material is added to a twin-screw extruder for extruding, and it is eagerly cut in water, cooled and dried to obtain the required masterbatch.
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