Abstract

The article compiled a mathematical model of the cationic copolymerization of isobutylene and isoprene using a catalyst AlCl3 in a CH3Cl solution, including the reactions of initiation, chain growth, chain transfer to the monomer, and chain termination. The molecular weight characteristics of butyl rubber synthesized in methyl chloride using a catalytic system based on aluminum trichloride have been investigated. Relationships are obtained for calculating the moments of the molecular weight characteristics of butyl rubber. The effect of the concentration of the initiator on the conversion versus time was investigated.

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