Abstract - Depolymerisation


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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 Depolymerisation of Highly Purified Natural Rubber. I. Metal-catalysed Oxidation of Deproteinised Natural Rubber An attempt was made to establish a method to prepare liquid rubber by chain-scission of highly-purified natural rubber (NR) using UV-irradiation and catalytic thermal degradation by shaking at 65°C. The NRs used for the study were both in latex and solution forms. The rubber in toluene solution was more susceptible to degradation than the latex form. The structural characterisation of degraded rubber was carried out by FTIR, ¹H- ¹³C-NMR analysis. Acetone extracted deproteinised NR in the presence of 1 p.h.r. Co(acac)₂was the most effective material for producing liquid NR by shaking at 65°C for 24 h.
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