Polymer Science Series B

, Volume 57, Issue 3, pp 224–227 | Cite as

The kinetics of carbon dioxide and propylene oxide copolymerization catalyzed by binary catalyst system

  • O. M. Chukanova
  • E. V. Bukhovets
  • E. O. Perepelitsina
  • G. P. Belov
Polymerization

Abstract

The kinetics of carbon dioxide and propylene oxide copolymerization was investigated in order to obtain Arrhenius parameters for the reaction in the presence of the efficient binary catalytic system (salen)Co(DNP)/[PPN]Cl. The reaction rate was followed by measuring the uptake of carbon dioxide during copolymerization. The steady-state rate of the reaction reaches a maximum value at carbon dioxide pressure of 0.6–0.7 MPa. At the reaction conditions, the dependences of the reaction rate on the concentrations of reagents follow the first-order kinetic low. The value of effective activation energy is equal to 45.7 ± 2.0 kJ/mol, and pre-exponential factor in the Arrhenius equation is equal to (5.1 ± 0.1) × 105 L2/(mol2 s). The poly(propylene carbonate) produced was shown to be a regio-regular copolymer with a bimodal molecular weight distribution.

Keywords

Copolymerization Polymer Science Series Salen Propylene Carbonate Effective Activation Energy 

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Copyright information

© Pleiades Publishing, Ltd. 2015

Authors and Affiliations

  • O. M. Chukanova
    • 1
  • E. V. Bukhovets
    • 2
  • E. O. Perepelitsina
    • 1
  • G. P. Belov
    • 1
  1. 1.Institute of Problems of Chemical PhysicsRussian Academy of SciencesChernogolovka, Moscow oblastRussia
  2. 2.Ivanovo State UniversityIvanovoRussia

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