Abstract
Dependences of maximum Newtonian viscosity η 0 and the initial modulus of high-elasticity of reaction systems on the degree of conversion q were measured during radical polymerization of methyl methacrylate in bulk. Three linear sections were seen on dependences of log η 0–log q with different gradients. Concentration boundaries of these sections in the rheological dependences correlate with conversion corresponding to the minimum rate of polymerization and with the conversion at the beginning of the marked increase in the rate of polymerization. Comparison of kinetic and rheological curves using modern theories of polymer solutions enable the relation between the conversion of initial auto-acceleration and MW of the polymer formed to be explained. A correlation was established between structure formation in the reaction system and kinetics of polymerization of methyl methacrylate.
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