Optimal Policies for Batch, Chain Addition Polymerizations

Optimal Policies for Batch, Chain Addition Polymerizations

The Maximum Principle was applied to determine temperature and initiator addition policies that minimize reaction times for chain addition polymerizations in batch reactors. The gel efffect was considered. The optimal policies were found to be a rising temperature and a constant initiator concentrat...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Sacks,Martin E, Lee,Soo- Ill, Biesenberger,Joseph A
Format: Report
Sprache:eng
Schlagworte:
ACRYLIC RESINS
Atomic and Molecular Physics and Spectroscopy
CHAIN POLYMERS
CHAIN REACTIONS
CHEMICAL ENGINEERING
DIFFUSION
FREE RADICALS
MAXIMUM PRINCIPLE
METHACRYLATE/METHYL
METHYLMETHACRYLATE POLYMERS
MOLECULAR WEIGHT
OPTIMIZATION
POLYMERIZATION
POLYMERIZATION INITIATORS
REACTION KINETICS
SOLUTIONS(MIXTURES)
STYRENE PLASTICS
TEMPERATURE
VISCOSITY
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Beschreibung
Zusammenfassung:The Maximum Principle was applied to determine temperature and initiator addition policies that minimize reaction times for chain addition polymerizations in batch reactors. The gel efffect was considered. The optimal policies were found to be a rising temperature and a constant initiator concentration such that k(eff) for monomer conversion is constant. Under a strong 'dead end' effect, the optimal policy results in a significant reduction in the polymerization reaction time. Numerical examples for the polymerization of styrene and methyl methacrylate are presented. (Author)