Abstract - Assessing Effects of Mixing Parameters on Interphases in Blends of Dissimilar Rubbers Using M-TDSC


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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 Assessing Effects of Mixing Parameters on Interphases in Blends of Dissimilar Rubbers Using M-TDSC S. Ostad-Movahed, A. Ansarifar and M. Song A modulated-temperature differential scanning calorimetry (M-TDSC) method was used to calculate the mass fraction of interphase and determine its composition in some SBR/BR and NR/BR blends. Effects of mixing time, mixing temperature, rotor speed, silica nanofiller, and mass fraction of pure rubbers on the mass fraction and composition of the interphase in the blends were investigated. It emerged that increases in mixing time and temperature, incorporation of the filler in the rubbers, and changes in the blend composition affected the properties of the interphase. Furthermore, M-TDSC was found to be a useful technique for studying interphases in blends of dissimilar as well as partially miscible rubbers and estimating their compositions. The measurements were also sensitive to the mixing conditions, rubber composition and silica filler in the rubbers back
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