MECHANICAL AND RHEOLOGICAL PROPERTIES OF POLYPROPYLENE (PP)/LINEAR LOW DENSITY POLYETHYLENE (LLDPE) BLEND FILLED WITH TALC AND CALCIUM CARBONATE COMPOSITIONSJournal: International Journal of Engineering Sciences & Research Technology (IJESRT) (Vol.4, No. 1)
Publication Date: 2015-01-30
Authors : Hassanien M S; Seedahmed A I;
Page : 383-387
Keywords : PP/LLDPE; Talc; Calcium carbonet; Mechanical; Rheological properties.;
The mechanical, rheological properties and density of polypropylene (PP) and linear low density polyethylene (LLDPE) blend filled with talc and calcium carbonates were studied. PP/LLDPE (70/30) was selected and investigated at different four fractions of talc and calcium carbonate. The mechanical properties such as impact resistance and hardness were investigated. The rheological properties such as melt flow index (MFI) and melt density were evaluated. In addition, density test have been determined. The results indicated that incorporate talc and calcium carbonate led to increase the hardness, MFI and melt density while decreased the impact resistance PP/LLDPE blend. It was obtained that increase talc and calcium carbonate content into PP/LLDPE blends will increase the density. Taking into consideration, it was concluded that, the optimum composition provided the good mechanical, rheological properties and density is PP/LLDPE/Talc/Calcium carbonate (42/18/20/20) wt%.
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