Research on mechanical properties indicated PP composites filled by composite wollastonite had high yield strength and inflexion strength, low impact strength.

• 对复合颗粒填充PP的力学性能的研究表明,复合颗粒显著提高了复合材料的屈服强度和弯曲强度,断裂强度没有明显改善,而冲击性能有所下降。