Direct 3D Printing of Poly(lactic acid) on Cotton Fibers: Characterization of Materials and Study of Adhesion Properties of the Resulting Composites

The aim of this work is focused on the direct 3D‐printing of poly(lactic acid) (PLA) on a cotton textile substrate, and the study of the printing parameters that modify their adhesion. PLA samples are printed by using Fused Deposition Modeling technique (FDM), and three filling printing directions (...

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Bibliographic Details
Published in:Macromolecular symposia. 2020-12, Vol.394 (1), p.n/a
Main Authors: Redondo, Franco Leonardo, Giaroli, María Carolina, Villar, Marcelo Armando, Freitas, Augusto Gonzaga Oliveira, Ciolino, Andrés Eduardo, Ninago, Mario Daniel
Format: Article
Language:English
Subjects:
3D printings
adhesion
Adhesion tests
Cotton
Cotton fibers
Deposition
Fibers
Fused deposition modeling
Parameter modification
PLA characterizations
poly(lactic acid) (PLA)
Polylactic acid
Polymers
Printing
Substrates
Textile composites
Three dimensional printing
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Summary:The aim of this work is focused on the direct 3D‐printing of poly(lactic acid) (PLA) on a cotton textile substrate, and the study of the printing parameters that modify their adhesion. PLA samples are printed by using Fused Deposition Modeling technique (FDM), and three filling printing directions (45, 90 and 180°) are analyzed. The effectiveness of polymer deposition onto fabrics is studied by peeling tests. Adhesion tests revealed that samples printed with a filling direction of 45° presented the maximum adhesion force and separation energies twice higher than samples printed at 180°. These results suggest that printing at 45° filling direction results in higher entanglements between cotton fibers and printed polymer chains, by enhancing the interaction of both materials.
ISSN:1022-1360
1521-3900
DOI:10.1002/masy.201900190