The Effect of Surface Modifier on the Mechanical Properties of the Oxysulfate Whiskers/PP Composites

Abstract:

The magnesium oxysulfate whiskers/PP composites were prepared by melt-extrusion with modified whiskers as fillers. The mechanical performances including the tensile strength, elongation at break and elastic modulus were tested by electronic universal testing machine.The effect of surface modifier on the mechanical properties of the composites was studied. In general, the mechanical properties of the composites of the zinc stearate modified whiskers/PP were better than it modified by coupling agent KH550. when the contents of the whiskers modified were 20%, the mechanical properties of the composites got the best. There occurred different organic molecule membranes on the surface of the modified whiskers, which lowered the interfacial energy of whiskers. So modified whiskers had different strengthening with PP matrix.

• Periodical: Advanced Materials Research (Volume 454)
• Pages: 122-125
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.454.122
• Online since: January 2012
• Authors: Yu Zhi Jiang, Li Li Zhang, Zhong Yang Zhang
• Keywords: Composite, Magnesium Oxysulfate Whiskers, Mechanical Property, PP, Surface Modifier

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