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The melting and glass transition temperatures in PLA/NR composites decreased, as a result of disintegration, reducing, and in PLA fabrics, these values increased marginally. The effect of NR on PLA/NR fiber degradation in an argon environment was discovered by TGA analysis in an argon environment. FTIR spectroscopy was used to investigate the chemical structure before and after soil deposition. Due to soil microorganisms degradation, the number of the bands corresponding to the PLA matrix and the appearance of N-H C-N groups diminished in PLA/NR fibrous substrates, as well as the appearance of N-H C-N groups.
Source link: https://doi.org/10.3390/polym14051058
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