Abstract
The cationic homogeneous Copolymerization at low temperature of 2,4,6-octatriene (OT), 1,3,5-heptatriene (HPT), 2,5-dimethyl-1,3,5-hexatriene (DMH) and alloocimene (AO) with isobutene (I) was performed and the structure of the resulting copolymers examined spectroscopically. OT reacted mainly by 2,7-opening of the triene system yielding soluble copolymers with block character and containing a low amount of cyclized units. Soluble I-HPT copolymers containing 2–4 mol % of conjugated double bonds were obtained. DMH alway gave insoluble copolymers and only traces of conjugated unsaturations were found in I-AO copolymer.
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