Mechanical Properties of PPS/PC/GF/Nano-CaCO3 Hybrid Composites

作者：Liang J Z^*

来源：Polymer - Plastics Technology and Engineering, 2009, 48(3): 292-296.

DOI：10.1080/03602550802675629

• Composite
• Glass fiber
• Mechanical property
• Nano-CaCO3
• PC
• PPS

A kind of nanometer calcium carbonate (nano-CaCO3) filled glass fibre-reinforced polyphenylene sulfide/polycarbonate (PPS/PC/GF) hybrid composites were fabricated with a twin-screw extruder in this paper, and the surface of the nanometer particles was pretreated with stearic acid in a high speed mixer before melt blending. The Young's modulus, tensile strength, tensile elongation at break, flexural modulus and strength of these hybrid composites were measured at room temperature by using a universal materials testing machine, to identify the influence of the nano-CaCO3 content on the mechanical properties of these hybrid composites. It was found that there were relatively evident reinforcing and toughening effects of the nano-CaCO3 on the PPS/PC/GF hybrid composites. The Young's modulus, tensile strength, flexural strengt and elongation at break of these composites increased nonlinearly with an addition of the nano-CaCO3 weigh fraction (f) when f was less than 6%, and they reached the maximum at f of 6%, and then decreased; while the flexural modulus increased as f was less than 4%, and then decreased.

• 出版日期2009
• 单位华南理工大学