The dispersion of TiO 2 nanoparticles, mechanical properties, light aging properties and light aging mechanism of HIPS/nano-TiO 2 composites were studied.

• 研究了纳米TiO2粒子在高抗冲聚苯乙烯(HIPS) /纳米TiO2复合材料中的分散及纳米TiO2对复合材料光老化性能的影响,探讨了复合材料的光老化机理。