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Khalil Ahmed,Nudrat Zahid Raza,Farzana Habib,Muhammad Aijaz,Muhammad Hayat Afridi 한국공업화학회 2013 Journal of Industrial and Engineering Chemistry Vol.19 No.6
In this article, polypropylene reinforced marble sludge (PP/MS) was prepared, and the effects of MS loading and polypropylene-g-maliec anhydride (PP-g-MAH) as compatibilizer on density, melt flow index (MFI), and mechanical properties of PP/MS composite were investigated. Our studies show that tensile strength, flexural strength and tensile modulus increased with increasing the MS loading but tensile strength increased till 30 pph of MS further addition of MS in PP composites decreased the strength. The % elongation at break and Izod Impact Strength decreased with increasing of MS loading. Studies revealed that PP/MS composites containing PP-g-MAH enhance the properties compared to without compatibilizer.
Khalil Ahmed,Shaikh Sirajuddin Nizami,Nudrat Zahid Raza 한국공업화학회 2013 Journal of Industrial and Engineering Chemistry Vol.19 No.4
This paper discusses an extensive overview of characterization of marble sludge (MS) with carbon black (CB) and rice husk derived silica (RHS) in hybrid natural rubber (NR) composite. Cure characteristics,mechanical and swelling properties of MS/CB and MS/RHS hybrid NR composite were investigated. As CB and RHS content increases in weight ratio of MS/CB and MS/RHS a decrease in scorch and cure time and increase in the torque, tensile, tear, modulus, hardness, crosslink density were observed, while elongation at break and swelling coefficient decreased. The aging behavior of corresponding hybrid composite materials was also evaluated at two different temperatures.