The invention relates to an alloy material for automotive exterior parts, and the alloy material is applied to automotive exterior parts; the alloy material comprises the following components: the difference between the melt index of the PC resin at 300℃/1.2kg and the melt index of the POK resin at 240℃/1.2kg is 0.5g/10min‑5g/10min; the preparation method of the compatibilizer comprises: melt-extruding and pelletizing 90‑98 parts by mass of POK resin, 2‑8 parts by mass of glycidyl methacrylate GMA, 0.1‑0.5 parts by mass of peroxide initiator and 5‑7 parts by mass of ionic liquid to obtain the compatibilizer; the ionic liquid is at least one selected from 1‑hexyl‑3‑methylimidazolium bisulfate, 1‑butyl‑3‑methylimidazolium bisulfate, 1‑methylimidazolium bisulfate and 1‑hexyl‑2,3,5‑trimethylpyrazolium bisulfate; the alloy material is obtained by melt-extruding, strand-drawing and pelletizing all components through a twin-screw extruder. The prepared alloy material has the advantages of high strength, high impact resistance, excellent weather resistance, heat resistance and chemical resistance.
Area Code: CN
Application Number: CN202411603187.4
