STRUCTURAL CHARACTERIZATION AND SEGMENTAL DYNAMICS EVALUATION IN ECO-FRIENDLY POLYMER ELECTROSPUN FIBERS BASED ON POLY(3-HYDROXYBUTYRATE)/POLYVINYLPYRROLIDONE BLENDS TO EVALUATE THEIR SUSTAINABILITY СтатьяKarpova Svetlana G., Olkhov Anatoly A., Varyan Ivetta A., Dodina Ekaterina P., Lukanina Yu K., Shilkina Natalia G., Popov Anatoly Anatolyevich, Vetcher Alexandre A., Filatova Anna G., Iordanskiy Alexey L.Journal of Composites Science. Том 9. 2025.