ArticlePolymers2023
Structural Rearrangements of Polylactide/Natural Rubber Composites during Hydro- and Biotic Degradation.
Article in Polymers, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed, 22 citations in OpenAlex.
- Article
- Evaluation of the Method of Periodic Medium Renewal ofPolymers · 2025Article
- Discovery of a NovelJournal of microbiology and biotechnology · 2024Article
- The Degradation of Absorbable Surgical Threads in Body Fluids: Insights from Infrared Spectroscopy Studies.International journal of molecular sciences · 2024Article
- Development of a novel sandwich-structured composite from biopolymers and cellulose microfibers for building envelope applications.Scientific reports · 2023Article
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Authors and funding
5 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
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, and a tendency to an increase in the degree of crystallinity after the action of water was noted. Changes in the chemical structure were shown in the spectra recorded by infrared spectroscopy. Due to degradation, significant changes in the intensities of the bands in the regions of 3500-2900 and 1700-1500 cm
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