This monograph aims to give an overview of recent chemical and technological developments in the area of polymers and co-polymers derived from isobutylene, which have a wide range of (industrial) applications. The scientific basis for presenting the material â€“ application of the acid-base theory with a view to the fundamental steps of isobutylene polymerization â€“ is combined with the application of quantum-chemical calculations of catalysts, linked active centers, separate elementary stages of the process, and critical analysis of some experimental data. In addition, a number of problems, such as the macrokinetic description of isobutylene polymerization, description of the balanced scheme of industrial production of isobutylene polymers, and initiation of isobutylene polymerization with the help of immobilized cationic catalysts are discussed. Special attention is given to ecological aspects of synthesis and application of isobutylene polymers. This book will be of value and interest to researchers in the areas of chemistry and physics of high-molecular compounds, as well as engineers and technologists specialized in the area of olefins and polyolefins.
by CRC Press
by CRC Press
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Part 1 Scientific and technological aspects of isobutylene production: properties and production of isobutylene - physical properties, chemical properties, methods of isobutylene production, production of isobutylene in industry, special methods of isobutylene production, analysis of isobutylene; isobutylene polymerization - general ideas of polymerization, catalysts, polymerization mechanism, initiation, chain propagation, limiting of the chain propagation, problems of cationic polymerization of isobutylene, molecular engineering, features of fast polymerization processes, problems of kinetics of fast polymerization processes, kinetic features of isobutylene polymerization; macrokinetics of isobutylene polymerization -modelling of isobutylene polymerization as a fast chemical reaction, macroscopic features of isobutylene polymerization, novel fundamental regularities, on existence of several macroscopic regimes, on connection between geometrical size of the reaction zone and kinetic and hydrodynamic parameters, influence of linear flow motion rate on molecular-mass characteristics of resulting polymer, influence of the methods of catalyst transmission on molecular-mass characteristics of resulting polymer, heat regime of fast isobutylene polymerization, heat regime of polymerization in the absence of heat elimination, heat regime of polymerization with reaction mass boiling, efficiency of external heat elimination, optimization of molecular-mass characteristics of polymer in fast isobutylene polymerization, the zone model, estimation of molecular-mass polyisobutylene characteristics in the absence of heat elimination at the multistage catalyst delivery into the reacting turbulent zone. (Part contents).