Abstract - Microwave Measurement on the Degree of Binding of Water in Hevea Rubber 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 Microwave Measurement on the Degree of Binding of Water in Hevea Rubber Latex J. Hassan, K. Khalid and W. M. D. Wan Yusoff Measurements of the dielectric properties of Hevea rubber latex at various moisture content and selected temperatures (2, 15, 25, 35 and 50°C) were done using the automated network analyser The results were interpreted using Weiner's theory fur dielectric mixtures to evaluate the degree of binding of water molecules in Hevea rubber latex. Changes in the mixing condition h indicated in the degree of binding or polarisation of the water molecules. At all frequencies there existed a region of constant h where optimum polarisation occurred before decreasing due to an increase in thermal agitation with increasing temperature. This indicated that h was not only dependent on moisture but very much affected by frequency and temperature. These results were further supported by data on the variation of the degree of binding at selected temperatures and frequencies. back
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