Study on Properties of Talcum Powder Reinforced PE Composites
The aim of this study was to investigate the effects of different particle sizes(small particle size 777A,large particle size T84)of talc powder on the mechanical properties and heat resistance performance of PE composites by enhancing modified polyethylene(PE)with different particle sizes of talc powder.The results showed that the working properties,mechanical properties and heat resistance performance of PE composites were effectively improved by adding different particle sizes of talc powder.When the content of 777A and T84 talc powder was 15％,the melt flow rate of the PE composites prepared by them were 5.93,6.01 g/10 min,respectively,the apparent densities were 1.011,1.128 g/cm3,respectively the tensile strength were 28.21,29.56 MPa,respectively,and the Vicat softening temperature were 89,92℃,respectively.The improvement effect of PE composites prepared by T84 talc powder with larger particle size is the best.
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