Abstract - Reinforcement of Styrene-butadiene Rubber with Silica and Carbon Black Nanofillers


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	Publications of MRB Latest Publications MRB Digest Journal of Rubber Research 4^th Qtr 2008 Vol 11(4) 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 Reinforcement of Styrene-butadiene Rubber with Silica and Carbon Black Nanofillers A Ansarifar and SP Holmes The effect of the same amount of precipitated amorphous white silica and high abrasion furnace carbon black nanofillers on the properties of a styrene-butadiene rubber was measured. The fillers had different surface areas, surface chemistry and acidity, and were dispersed in the rubber by increasing the mixing time to 10 min. The rubber was cured with a conventional sulphur/ accelerator system. The hardness, tensile strength, elongation at break, stored energy density at break, cohesive tear strength, and modulus improved substantially when the fillers were added to the rubber. However, the largest improvement in the properties was recorded for the rubber containing the silica particles which also had a larger surface area. The surface chemistry and acidity of the silica adversely influenced the cure behaviour of the rubber, whereas the black filler was beneficial to cure. The cyclic fatigue life of the rubber lengthened also after the fillers were added. back
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