Structural Rearrangements of Polylactide/Natural Rubber Composites during Hydro- and Biotic Degradation.

ABSTRACT: In the work, the impact of the biological medium and water on structural rearrangements in pure polylactide and polylactide/natural rubber film composites was studied. Polylactide/natural rubber films with a rubber content of 5, 10, and 15 wt.% were obtained by the solution method. Biotic degradation was carried out according to the Sturm method at a temperature of 22 ± 2 °C. Hydrolytic degradation was studied at the same temperature in distilled water. The structural characteristics were controlled by thermophysical, optical, spectral, and diffraction methods. Optical microscopy revealed the surface erosion of all samples after exposure to microbiota and water. Differential scanning calorimetry showed a decrease in the degree of crystallinity of polylactide by 2-4% after the Sturm test, a

SUBMITTER: Tertyshnaya YV 

PROVIDER: S-EPMC10145913 | biostudies-literature | 2023 Apr

REPOSITORIES: biostudies-literature