Abstract
Synthetic rubber has been interesting since the first days of research. Commercial isobutylene polymers are homopolymers and copolymers containing a small amount of isoprene. Isoprene has the great technical importance in connection with the production of synthetic rubbers that are close in structure and properties to natural rubber. These days, chlorinated and brominated butyl rubber derivatives have the highest sales volume. Butyl rubber is one of the synthetic rubber which is produced in quite large quantities on the world market. Commercial butyl rubber that is a copolymer of isobutylene and ˜1.5 %mol isoprene, is produced by carbocationic methods. There is a mathematical model of periodic isothermal process of copolymerization of isobutylene and isoprene using AlCl3 catalyst in the solution of CH3Cl in a periodic reactor consisting of four reactions, that are chain growth, two chain transfer reactions to solvent and reinitiation, in this article Nowadays, the cation polymerization for the synthesis of new materials of commercial interest rapidly develop and have the widespread use. One of such materials is butyl rubber, which is produced at -98°C in an inert methylchloride diluent in the presence of the AlCl3 initiator.
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