Flame-retardant wear-resisting modified polypropylene material and preparation method thereof
A polyethylene and modified technology, which is applied in the field of polymer material processing, can solve the problems of poor compatibility and low mechanical properties of wollastonite/polypropylene composite materials, so as to improve weather resistance, mechanical properties and weather resistance, The effect of reducing damage
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[0050] Example 1
[0051] (1) Mix 10 parts of glass fiber with 0.01 part of acid scavenger calcium oxide;
[0052] (2) 100 parts of polyethylene, 10 parts of flame retardant halogen-free nitrogen and phosphorus flame retardant, 1 part of acicular wollastonite, 0.1 part of antioxidant, 168 0.1 part of antioxidant, and 770 1 part of light stabilizer 、1 part of compatibilizer PP-g-MAH and 0.3 part of lubricant butyl stearate are mixed in high mixer for 1-3min;
[0053] (3) Add the mixture in (2) to a twin-screw extruder with a temperature of 170-220°C in each zone and a speed of 150 rpm, and then add the mixture of (1) to the side feeding port of the extruder. After melt extrusion and granulation, the modified polyethylene material is obtained by water cooling and pelletizing.
[0054]
Example Embodiment
[0055] Example 2
[0056] (1) Mix 20 parts of glass fiber with 0.05 parts of zinc oxide as an acid scavenger;
[0057] (2) Combine 100 parts of polyethylene, 10 parts of flame retardant decabromodiphenyl ethane, 0.5 parts of acicular wollastonite, 0.1 parts of antioxidant 1010, 0.2 parts of antioxidant, 168 0.2 parts of light stabilizer, 0.5 parts of light stabilizer, 3 parts of compatibilizer PP-g-GMA and 0.2 part of lubricant liquid paraffin are mixed in a high mixer for 1-3 minutes;
[0058] (3) Add the mixture in (2) to a twin-screw extruder with a temperature of 170-220°C in each zone and a rotation speed of 200 rpm, and then add the mixture of (1) to the side feeding port of the extruder. After melt-extrusion granulation, the modified polyethylene material is obtained through water cooling and pelletizing.
[0059]
Example Embodiment
[0060] Example 3
[0061] (1) Mix 30 parts of glass fiber with 0.1 part of acid scavenger hydrotalcite;
[0062] (2) Combine 100 parts of polyethylene, 15 parts of flame retardant octabromo S ether, 1 part of acicular wollastonite, 0.2 part of antioxidant 1098, 0.2 part of antioxidant, 770 0.1 part of light stabilizer, 3 parts of solvent EPDM-g-MAH, 4 parts of EPDM-g-GMA, 0.1 part of lubricant butyl stearate) mixed in high mixer for 1-3min;
[0063] (3) Add the mixture in (2) to a twin-screw extruder with a temperature of 170-220°C in each zone and a rotation speed of 250 rpm, and then add the mixture of (1) to the side feeding port of the extruder. After melt-extrusion granulation, the modified polyethylene material is obtained through water cooling and pelletizing.
[0064]
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