Abstract - Epoxide groups in Natural Rubber. I. 13 C-NMR Study of oxidative degraded Rubbers


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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 Epoxide Groups in Natural Rubber. I. 13 C-NMR Study of Oxidative Degraded Rubbers Expoxide groups in natural rubber, which are derived from oxidative degradation of the polymer, are found to be mainly in cis configuration. The amount of trans epoxide, on the other hand, increases with increasing degradation temperature of the natural rubber. The presence of cis epoxide groups in low molecular weight fractions of natural rubber, therefore, may be associated to by-products of oxidative degradation of the polymer.
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