High-temperature-resistant and scratch-resistant polypropylene armrest for seat and preparation process thereof

The invention discloses a high-temperature-resistant and scratch-resistant polypropylene armrest for a seat and a preparation process thereof, and relates to the field of furniture, the high-temperature-resistant and scratch-resistant polypropylene armrest comprises an armrest shell, the armrest shell is in an inverted triangle shape, the left end face and the right end face of the armrest shell are arc-shaped, an armrest inner cavity with a forward opening is formed in the armrest shell, and the armrest inner cavity is in an inverted trapezoid shape; according to the invention, by blending isotactic polypropylene, syndiotactic polypropylene and ethylene propylene diene monomer, the toughness and oxidation resistance of polypropylene are greatly improved, so that the service life of the handrail can be effectively prolonged; meanwhile, zinc stearate and 2-phenylindole in a proper ratio in the added heat stabilizer enable the handrail to have higher heat-resistant temperature and higher stability, the yield in