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Following formula: (In the above formula, R is a group consisting of (i) a substituted or unsubstituted alkyl having both ends C = 0-12, (ii) a substituted or unsubstituted aryl, and (iii) a substituted and unsubstituted alkylaryl. Chosen by X 1,X 2,X 3 and X 4 are each selected from the group consisting of alkyl, aryl, alkylaryl groups and hydrogen, and R 1,R 2,R 3 and R 4
Modified thermoplastic hydrocarbon thermoplastic resins are provided, as well as methods of their manufacture and uses thereof in rubber compositions. The modified thermoplastic resins are modified by decreasing the relative quantity of the dimer, trimer, tetramer, and pentamer oligomers as compared to the corresponding unmodified thermoplastic resin polymers,
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The n-value is in the range of 600-3000. 40 Figure 6: The Chemical Structure of Natural Rubber Abnormal Groups Besides the isoprene units, the natural rubber molecule has also been reported to contain abnormal groups such as epoxide,41 ester,32 aldehyde,42,43 and lactone.44 Further research has shown that the presence of trace amounts of cis
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These include 3 multi-investigator groups that operate principally in the TB/HIV space, 2 extramural research units of the South African Medical Research Council and a number of other research entities, 6 Research Chairs awarded under the National Research Foundation's South African Research Chairs Initiative (SARChI), and further areas of
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