Journal
MACROMOLECULAR REACTION ENGINEERING
Volume 6, Issue 9-10, Pages 384-394Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/mren.201200013
Keywords
continuous processes; graft copolymerization; modeling; semi-batch processes; simulations
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Funding
- BASF SE (Ludwigshafen, Germany)
- Program for Changjiang Scholars and Innovative Research Team in University
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An existing kinetic model for graft free-radical copolymerization of styrene (St) and acrylonitrile (AN) in the presence of poly(propylene glycol) is extended to describe the semi-batch process and to simulate the continuous process. A good predictive ability of the model for the semi-batch process is demonstrated by comparing with experimental data, except for $\overline {M} _{{\rm w}} $ and polydispersity index at St/AN?=?60/40?wt% in the feed. The continuous process is simulated under various reaction conditions. The solid content increases sharply with increasing monomer concentration. With decreasing St/AN weight ratio, the graft efficieny increases sharply and $\overline {M} _{{\rm w}} $ decreases.
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