A kind of environment-friendly anti-UV flame-retardant polyethylene material and preparation method thereof
A flame-retardant polyethylene and environmental protection technology, applied in the field of environmentally friendly anti-UV flame-retardant polyethylene materials and their preparation, can solve the problems of polyethylene material aging, poor weather resistance, etc., achieve good weather resistance, improve anti-aging performance, The effect of improving weather resistance
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[0042] The preparation method of the above-mentioned environment-friendly anti-UV flame-retardant polyethylene material comprises the following steps:
[0043] 1) Add LDPE, decabromodiphenylethane, antimony trioxide, titanium dioxide and lubricant into a high-speed mixer and mix evenly, then add antioxidant and anti-UV agent, mix evenly;
[0044] 2) The material in step 1) is transferred to a co-rotating twin-screw extruder for mixing and extruding, and after cooling, it is drawn, pelletized, and screened to obtain an environmentally friendly anti-UV flame-retardant polyethylene material.
[0045] Preferably, the screw diameter of the co-rotating twin-screw extruder described in step 2) is 75-95mm, the length-to-diameter ratio of the screw is 44:1, and the temperature of each zone is: the first section is 100-115°C, the second section to the second section The fourth stage is 160-170°C, the fifth stage is 165-160°C, and the head is 160°C.
Embodiment 1
[0048] An environmentally friendly anti-UV flame-retardant polyethylene material, its raw material composition is shown in the following table:
[0049] Table 1 The raw material composition of an environmentally friendly anti-UV flame-retardant polyethylene material
[0050]
[0051]
Embodiment 2
[0053] An environmentally friendly anti-UV flame-retardant polyethylene material, its raw material composition is shown in the following table:
[0054] Table 2 The raw material composition of an environmentally friendly anti-UV flame-retardant polyethylene material
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