Abstract - Thermal analysis of Natural rubberHevea Brasiliensis Latex


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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 Thermal Analysis of Natural Rubber Hevea Brasiliensis Latex Thermal analysis of the natural rubber Hevea brasiliensis latex(NRL) with different moisture content was characterised using differential scanning calorimeter. The analysis was done between - 100°C to 150°C. The thermal characteristics investigated are the glass transition temperature T_g, the boiling point of free-water T_fand bound-water T_b. Results showed that T_g for both dried concentrated rubber latex and dried NRL are similar, i.e. –56.84°C, and –56.57°C, respectively while T_g for diluted NRL was not detected. The existence of moisture shifted the T_f in diluted NRL towards a higher temperature which was similar to the thermogram of de-ionised water.
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