INVESTIGADORES
ASTEASUAIN Mariano
artículos
Título:
Catalytic Degradation of Polystyrene: Modeling of Molecular Weight Distribution
Autor/es:
GIANOGLIO PANTANO, IOANA A.; ASTEASUAIN, MARIANO; DÍAZ, MÓNICA F.; SARMORIA, CLAUDIA; BRANDOLIN, ADRIANA
Revista:
MACROMOLECULAR REACTION ENGINEERING
Editorial:
WILEY-V C H VERLAG GMBH
Referencias:
Lugar: Weinheim; Año: 2011 vol. 5 p. 243 - 253
ISSN:
1862-832X
Resumen:
Two of the most abundant polymers in household waste streams, PS, and PE, may be recycledby compatibilization through a Friedel-Crafts alkylation. This reaction produces a graftcopolymer PE-g-PS that improves the properties of the blend, but simultaneously degradesPS chains. Since the copolymer efficiency as a compatibilizer depends both on the molecular weight and MWD of its two blocks, the operating conditions for the copolymer synthesis must be carefully tuned. To aid in this task, we present a preliminary mathematical model that focuses on the effect of the catalyst and cocatalyst of the Friedel-Crafts alkylation on the MWD of the PS chains. The model?s predictions are shown to agree with experimental data.