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Type
Bulk-Slurry Polymerization of Propylene
Process
Polypropylene processes
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Description

In Bulk Polymerization, Liquid Propene acts as a Solvent to prevent the Precipitation of the Polymer. The Polymerization proceeds at 60 to 80 °C and 30 to 40 atm are applied to keep the Propene in the Liquid State. For the Bulk Polymerization, typically Loop Reactors are applied. The Bulk Polymerization is limited to a maximum of 5% Ethylene as Comonomer due to a limited Solubility of the Polymer in the Liquid Propene.

Examples of Bulk-Phase Polymerization Technologies employing Loop Reactors (LR) or Stirred Tank Reactors (STR) are the Hypol Process with two STRs in Series, the Spheripol and Hypol 2 Processes each employing two LRs in Series.

Source: Wikipedia, Polypropylene

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GENERALIZED SCHEMES OF THE MODERN POLYPROPYLENE PRODUCTION PROCESSES https://doi.org/10.3390/polym14214763
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Modified by UserPic   Kokel, Nicolas 10/15/2023 10:00 AM
Added 11/14/2021 5:24 PM