Fibers and Filaments from Polylactic Acid: Production Features, Structure, and Physical–Mechanical Properties

Fibers and Filaments from Polylactic Acid: Production Features, Structure, and Physical–Mechanical Properties

The use of fibers from polylactic acid (PLA) to create nonwoven materials and threads is relevant. A study of the microstructure and properties of PLA threads was carried out, followed by comparison with polyamide ones. It has been established that PLA threads are bundles of monofilaments with a dia...

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Veröffentlicht in:Polymer science. Series D, Glues and sealing materials Glues and sealing materials, 2024, Vol.17 (1), p.181-186
Hauptverfasser: Mastalygina, E. E., Podzorova, M. V., Pantyukhov, P. V., Popov, A. A.
Format: Artikel
Sprache:eng
Schlagworte:
Chemistry
Chemistry and Materials Science
Degree of crystallinity
Filaments
Glass transition temperature
Mechanical properties
Polyamide resins
Polylactic acid
Polymer Sciences
Tensile strength
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Beschreibung
Zusammenfassung:The use of fibers from polylactic acid (PLA) to create nonwoven materials and threads is relevant. A study of the microstructure and properties of PLA threads was carried out, followed by comparison with polyamide ones. It has been established that PLA threads are bundles of monofilaments with a diameter of 14 ± 1 μm made of PLA with a high degree of crystallinity (up to 60%), which determines high tensile strength (90–95 MPa). PLA threads are characterized by shrinking up to 8% when heated above the glass transition temperature.
ISSN:1995-4212
1995-4220
DOI:10.1134/S1995421223700296