Polymer Science Series B

, Volume 54, Issue 3–4, pp 223–233 | Cite as

Synthesis of highly branched polymers via three-dimensional radical polymerization in the presence of oxygen

  • S. A. Kurochkin
  • M. A. Silant’ev
  • E. O. Perepelitsina
  • M. P. Berezin
  • A. A. Baturina
  • V. P. Grachev
  • G. V. Korolev


It is shown that branched and highly branched vinyl polymers can be prepared by three-dimensional radical polymerization in the presence of dissolved oxygen, as exemplified by the oxidative copolymerization of styrene and divinylbenzene. The conditions of synthesis of highly branched polymers with a high yield—the ratio between monovinyl and divinyl comonomers and the rate of oxygen bubbling—are determined. The kinetics of formation of branched polystyrenes and the features of their molecular-mass distribution are studied. Elemental-analysis data show that the polymeric product contains 22–24 wt % oxygen, which, according to the IR data, enters into the composition of carbonyl, hydroxyl, and peroxide groups. The thermal decomposition of polymeric products is investigated via the TGA-DSC method. The main exothermal peak at ∼145°C is associated with the decomposition of peroxide groups, which is accompanied by the evolution of formaldehyde.


Styrene Polymer Science Series Radical Polymerization AIBN High Molecular Mass 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Pleiades Publishing, Ltd. 2012

Authors and Affiliations

  • S. A. Kurochkin
    • 1
  • M. A. Silant’ev
    • 1
  • E. O. Perepelitsina
    • 1
  • M. P. Berezin
    • 1
  • A. A. Baturina
    • 1
  • V. P. Grachev
    • 1
  • G. V. Korolev
    • 1
  1. 1.Institute of Problems of Chemical PhysicsRussian Academy of SciencesChernogolovka, Moscow oblastRussia

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