Abstract
AbstractThe cationic polymerizations of 1,3‐pentadiene initiated by AlCl3 in n‐hexane at 30°C have been carried out in the presence of various arenes, i.e., benzene, toluene, p‐xylene, o‐xylene, m‐xylene and mesitylene. The presence of all these arenes have reduced in different degrees the formation of crosslinked products. Namely, the crosslinking reaction, a major side‐reaction during the cationic polymerization of 1,3‐pentadiene, has been suppressed by adding the aromatic compounds. The results showed that a chain transfer to arene took place and this transfer process hindered the generation of the crosslinked polymer. IR and 1H NMR spectra have confirmed the existence of the corresponding aryl groups in the resulting polymers.
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