Modelado reológico de filamentos sostenibles basados en residuos de café para impresión 3D
DOI:
https://doi.org/10.70577/rps.v4i1.194Palabras clave:
Impresión 3D, residuos de café, biocompuestos, reología, sostenibilidad, manufactura aditiva.Resumen
La creciente demanda de materiales sostenibles en manufactura aditiva contrasta con la dependencia de polímeros de origen fósil, lo que limita la eficiencia ambiental y la innovación industrial. En este contexto, el objetivo de esta investigación fue analizar el modelado reológico de filamentos sostenibles basados en residuos de café para impresión 3D, evaluando su comportamiento mecánico, funcional y su potencial de escalabilidad; este estudio es resultado del proyecto de investigación “Innovación en materiales sostenibles: Filamentos de posos de café para impresión 3D”. La metodología se sustentó en un enfoque cuantitativo explicativo, mediante el análisis de información secundaria y datos experimentales de caracterización estructural, térmica, mecánica y reológica, integrando técnicas como FTIR, NMR, DSC, TGA y ensayos mecánicos, junto con modelos estadísticos como ecuaciones estructurales y regresión. Los resultados evidenciaron incrementos del módulo elástico superiores al 50 % y hasta el 200 % en matrices flexibles, reducción de la resistencia a la tracción entre 50 % y 70 %, absorción de agua hasta 4.42 %, comportamiento shear-thinning que mejora la extruibilidad y reducción de la huella de carbono cercana al 35 %. Además, se identificó que formulaciones entre 30 % y 40 % optimizan el balance técnico, lo que representa una oportunidad empresarial para desarrollar filamentos sostenibles competitivos, con valor agregado ambiental y potencial de inserción en mercados de manufactura avanzada.
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Derechos de autor 2026 William Patricio Proaño Ponce, Mayra Mercedes Marcillo Indacochea, Sara Geoconda Soledispa Reyes
Esta obra está bajo una licencia internacional Creative Commons Atribución-NoComercial-SinDerivadas 4.0.
