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dc.contributor.author
Kim, Manuela Leticia
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dc.contributor.author
Otal, Eugenio Hernan
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dc.contributor.author
Takizawa, Junko
dc.contributor.author
Sinatra, Nina R.
dc.contributor.author
Dobson, Kelly
dc.contributor.author
Kimura, Mutsumi
dc.date.available
2023-05-18T12:33:40Z
dc.date.issued
2022-04
dc.identifier.citation
Kim, Manuela Leticia; Otal, Eugenio Hernan; Takizawa, Junko; Sinatra, Nina R.; Dobson, Kelly; et al.; All-Organic Electroactive Shape-Changing Knitted Textiles Using Thermoprogrammed Shape-Memory Fibers Spun by 3D Printing; American Chemical Society; ACS Applied Polymer Materials; 4; 4; 4-2022; 2355-2364
dc.identifier.issn
2637-6105
dc.identifier.uri
http://hdl.handle.net/11336/197964
dc.description.abstract
Here, we present knittable shape-memory polymeric fibers extruded using a 3D-printer nozzle-based melt-spinning method for high throughput of composition and condition testing. These structures are used as the basis for electroactive shape-changing knitted textiles combining several types of fibers, including organic fibrous heaters. These structures represent a different approach to "on-demand"shape-memory fibers and can be incorporated into a variety of textile architectures, including inlaid knitting, diagonal interlacements, and a knit/purl design for an anisotropic knitted texture. The influence of manufacturing process parameters (e.g., drawing ratio during melt-spinning) on physical properties of the shape-memory fibers was measured using X-ray diffraction, thermomechanical cycling, scanning electron microscopy, and mechanical testing. The degree of crystallinity increased from 19.4 to 22.4% with the increased drawing ratio, with a maximum strain % of 450 and the fibers being able to lift 457 times their own weight. Further, we present a scalable strategy for bicomponent filament production, in which two distinct polymers are melt-spun in a side-by-side configuration and when actuated showed a coiled structure with different mechanical and thermal behavior than pure SMP fibers. The knitted textiles, obtained with a computer-controlled knitting machine able to produce 3D knitted structures, are deformed from two-dimensional planar structures to three-dimensional conformations by applying a voltage to the organic fibrous heaters. The deformed structure can be fixed by removing the applied voltage and can be returned to a planar configuration by heating and applying an uniaxial stress. Therefore, a hierarchical approach for fully textile-based, bendable, knittable, and electroactive soft actuators is presented. The results presented here demonstrate lab-scale production and high-throughput screening of advanced fibers with tunable properties.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
American Chemical Society
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dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
3D PRINTING
dc.subject
FIBERS
dc.subject
SHAPE-MEMORY POLYMERS
dc.subject
SOFT ACTUATORS
dc.subject
TEXTILES
dc.subject.classification
Textiles
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dc.subject.classification
Ingeniería de los Materiales
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dc.subject.classification
INGENIERÍAS Y TECNOLOGÍAS
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dc.title
All-Organic Electroactive Shape-Changing Knitted Textiles Using Thermoprogrammed Shape-Memory Fibers Spun by 3D Printing
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2023-05-17T15:52:48Z
dc.journal.volume
4
dc.journal.number
4
dc.journal.pagination
2355-2364
dc.journal.pais
Estados Unidos
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dc.description.fil
Fil: Kim, Manuela Leticia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Shinshu University; Japón
dc.description.fil
Fil: Otal, Eugenio Hernan. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Takizawa, Junko. Shinshu University; Japón
dc.description.fil
Fil: Sinatra, Nina R.. No especifíca;
dc.description.fil
Fil: Dobson, Kelly. No especifíca;
dc.description.fil
Fil: Kimura, Mutsumi. Shinshu University; Japón
dc.journal.title
ACS Applied Polymer Materials
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1021/acsapm.1c01606
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