
Se presenta un modelo matemático que simula la polimerización de estireno en presencia de polibutadieno (PB) para la prodcción de Poliestireno de Alto Impacto (HIPS) via el proceso heterogeneo. El modelo sigue la polimerización en dos fases, y calcula en cada una de ellas las principales variables de la reacción y la estructura molecular de los 3 componentes poliméricos: poliestireno libre, PB residual, y copolímerode injerto. Varias polimerizaciones se llevaron a cabo y fueron además simuladas. El modelo se validó con las mediciones.
A mathematical model is presented that simulates the polymerization of styrene in the presence of Polybutadiene (PB) for producing high-impact polystyrene (HIPS) via the heterogeneous bulk process. The model follows the polymerization in two phases, and calculates in each phase the main reaction variables and the molecular structure of the 3 polymeric components: free polystyrene, unreacted PB, and graft copolymer. Several polymerizations were carried out and simulated, the model was validated with measurements.
Fil: Casis, Natalia. Universidad Nacional del Litoral. Facultad de Ingeniería Química; Argentina.
Morphology, distribución de pesos moleculares, Poliestireno, modelado, Modeling, poliestireno, modeling, Modelado, molecular weight distribution, Distribución de pesos moleculares, polystyrene, Molecular weight distribution, morfología, morphology, Morfología, Polystyrene
Morphology, distribución de pesos moleculares, Poliestireno, modelado, Modeling, poliestireno, modeling, Modelado, molecular weight distribution, Distribución de pesos moleculares, polystyrene, Molecular weight distribution, morfología, morphology, Morfología, Polystyrene
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