The results of the study of the oligomerization of hydrocarbon fractions C5 and C9 – by-products of ethene production by pyrolysis of straight-run gasoline initiated by organic peroxides are presented. The influence of temperature, process duration, nature and concentration of the initiator, mass ratio [C5 fraction] : [C9 fraction] on the yield and physicochemical parameters of the hydrocarbon resin is studied. The optimal process conditions were established - temperature 448 K, reaction duration 6 hours, initiator concentration - di-tert-butyl peroxide 0.05 mol/dm3, under which a hydrocarbon resin is obtained with a yield of 33.0 wt. %, the physicochemical parameters of which meet the requirements of TU U 6-05743160.020-99 «Synthetic petroleum polymer paint and varnish resin».
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