Abstract - Effect of Silane Coupling Agent on the Mechanical Properties of Flyash-filled Natural Rubber


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	Publications of MRB Latest Publications MRB Digest Journal of Rubber Research 3^rd Qtr 2008 Vol 11(3) 2^nd Qtr 2008 Vol 11(2) 1^st Qtr 2008 Vol 11(1) 4^th Qtr 2007 Vol 10(4) 3^rd Qtr 2007 Vol 10(3) 2^nd Qtr 2007 Vol 10(2) 1^st Qtr 2007 Vol 10(1) 1^st Qtr 2006 Vol 9(1) 2^nd Qtr 2006 Vol 9(2) 3^rd Qtr 2006 Vol 9(3) 4^th Qtr 2006 Vol 9(4) Submit paper/article Order Form	Abstract Effect of Silane Coupling Agent on the Mechanical Properties of Flyash-filled Natural Rubber Nabil A N Alkadasi This paper describes the utilisation of flyash as a filler after being treated with silane coupling agent and used as fillers in NR. The properties considered were tensile strength, modulus at 100% and 400%, Young's modulus and hardness. Composites were made with varying proportion of untreated and treated flyash. A two-roll mill was used for dispersing the filler in the rubber and compression moulding technique was used to cure the compounds in sheet forms. Tensile properties were measured on a computerised UTM using ASTM procedure. Comparison of properties of composites filled with treated and untreated flyash established that treatment of flyash imparted better reinforcing properties. Tensile strength improved by 83% while modulus at 400% improved by 100% and Young's modulus improved by 29%. Similarly elongation at break also improved by 50%. The silane coupling agent used here promoted adhesion between flyash and NR. back
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