الفهرس 
Introduction.Only 14 pages are availabe for public view
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Abstract
Sodium montmorillonite clay was modified by two different modifiers and melt blended with high density polyethylene (HDPE). The first modifier was inorganic salt such as ammonium phosphate mono basic and ammonium phosphate dibasic. The other modifier was mixture of 1,1,1,4,4,4-hexmethyl-2,2,3,3-tetraphenyl tetrasilane and ammonium phosphate mono basic or ammonium phosphate di basic. The X-ray diffraction (XRD) analysis and transmission electron microscopy (TEM) indicated the formation of HDPE nanocomposites with mixed morphology (intercalated, exfoliated, and microcomposites). The thermal stability and flammability properties were studied by thermogravimetric analysis and cone calorimeter. The results showed that the newly modified clay has improved the thermal stability and flame retardancy of HDPE at different loading levels.