Heat-aging-resistant shading polypropylene material and preparation method thereof
A polypropylene material, heat-resistant aging technology, applied in the field of materials, can solve the problems of anti-oxidation performance of deteriorated materials, high risk of fire, failure of flame retardancy, etc., to achieve the effect of inhibiting deterioration, ensuring flame retardancy, and stable properties Effect
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Embodiment 1
[0037] An embodiment of the heat-aging-resistant light-shielding polypropylene material of the present invention, the preparation method of the heat-aging-resistant light-shielding polypropylene material comprises the following steps:
[0038] Put each component into a high-speed mixer with a speed of 1000rpm and a temperature of 40-60°C and mix evenly for 8 minutes, then transfer to a twin-screw extruder and extrude at a temperature of 190-220°C. After cooling and granulating, the obtained A light-shielding polypropylene material resistant to heat aging is described.
Embodiment 2~12
[0040] The difference between the heat-aging-resistant light-shielding polypropylene material described in Examples 2-12 and the heat-aging-resistant light-shielding polypropylene material described in Example 1 lies in the composition or proportion of the raw materials.
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