New Biodegradable Copolymers Based on Betulin and Hydroxycarboxylic Acid Derivatives

Alexey Zinovyev, Alina Gorbunova, Anna Chernova, Sónia A. C. Carabineiro, Ekaterina Poletykina, Anastasia Bugaeva, Viktor Novikov, Ekaterina Kolobova, Alexey Pestryakov

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In this study, we propose an approach to the synthesis of new biodegradable polymer materials based on renewable raw feedstock (betulin) and derivatives of hydroxycarboxylic acids using a catalyst/catalytic system (γ-Al2O3, γ-Al2O3/TBHP) that is safe for health and the environment. The resulting polymers are linear thermoplastic polymers that undergo collapse upon melting in the presence of atmospheric oxygen. Moreover, these polymers demonstrate non-toxicity towards a range of Gram-positive and Gram-negative bacteria. The polycondensation of betulin with butyl lactate is particularly noteworthy.
Original languageEnglish
Article number981
Number of pages15
Issue number5
Publication statusPublished - 20 Feb 2024


  • betulin
  • biodegradable polymers
  • polycondensation
  • renewable raw materials
  • ROP


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