FIELD: automatic control of polycondensation of saturated and unsaturated polyester resins. SUBSTANCE: method involves measuring sample viscosity and temperature values in automatic mode; calculating viscous flow activation energy of samples under control and determining functional dependence between viscous flow activation energy and acid number measured in automatic mode; determining completeness of polycondensation process in automatic mode by bend point in this functional dependence. EFFECT: increased precision of process control. 2 dwg, 1 tbl
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