METHOD OF SYNTHESIS OF SYNTHETIC RUBBER Russian patent published in 2000 - IPC

FIELD: rubber industry. SUBSTANCE: relates to method of synthesis of synthetic rubber used in production of tires and rubber-technical articles. Method is carried out by polymerization of diene hydrocarbon in hydro-carbon solvent in the presence of catalyst. Method involves conventional stages - deactivation of catalyst, addition of an antioxidant, neutralizing polymer solution, isolation of rubber and its drying. Except for, the claimed method involves stabilization of load at the required level as measured by hydrocarbon mixture per each of (K1)-cascade and feeding the remained mixture amount to K-cascade. Also, number of reactors in cascade is changed proportionally to load alternation by switching on or switching off the additional reactor, by change of point of antioxidant addition being before or after the last reactor. EFFECT: improved quality of polymer, decreased overconsumption of catalyst, decreased loss of output. 2 cl, 2 dwg, 7 tbl