Reciclado de espuma flexible de poliuretano mediante glicólisis usando hidrotalcitas Zn/Sn/Al como catalizador heterogéneo

Autores/as

  • Yesica Dayana Morcillo-Bolaños Universidad de Antioquia
  • William José Malule-Herrera Universidad de Antioquia
  • Juan Carlos Ortiz-Arango Universidad de Antioquia
  • Aída Luz Villa-Holguín Universidad de Antioquia

DOI:

https://doi.org/10.17533/udea.redin.n87a10

Palabras clave:

poliuretano, reciclado químico, catalizador Zn/Sn/Al, pruebas de compresión, poliol, desechos de espuma

Resumen

El poliuretano es un material altamente versátil usado en la industria de aislamiento, empaque y comodidad. La producción global de poliuretano genera millones de toneladas de residuos no biodegradables. En esta investigación se exploró la recuperación por métodos químicos del poliol a partir de desechos de espuma flexible de poliuretano (PUF). El poliol se recuperó del PUF mediante glicólisis con dietilenglicol (DEG) como agente de glicólisis, la hidrotalcita Zn/Sn/Al (HTC) como catalizador heterogéneo bajo atmósfera inerte usando varias condiciones de reacción. Las condiciones más adecuadas de reacción fueron 3 h, relación másica PUF/DEG de 1,5 y HTC/DEG de 0,001. La HTC se caracterizó por FTIR, XRD, TEM y análisis químico. El poliol recuperado se caracterizó usando IR, viscosimetría y GPC; adicionalmente se determinó la densidad y el contenido de agua. El poliol recuperado se usó en la síntesis de PUF como reemplazo parcial del poliol comercial y la espuma obtenida se analizó usando pruebas de compresión.

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Biografía del autor/a

Yesica Dayana Morcillo-Bolaños, Universidad de Antioquia

Grupo de Investigación Catálisis Ambiental, Departamento de Ingeniería Química.

William José Malule-Herrera, Universidad de Antioquia

Grupo de Investigación Catálisis Ambiental, Departamento de Ingeniería Química.

Juan Carlos Ortiz-Arango, Universidad de Antioquia

Grupo de Investigación Catálisis Ambiental, Departamento de Ingeniería Química.

Aída Luz Villa-Holguín, Universidad de Antioquia

Grupo de Investigación Catálisis Ambiental, Departamento de Ingeniería Química.

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Publicado

2018-06-07

Cómo citar

Morcillo-Bolaños, Y. D., Malule-Herrera, W. J., Ortiz-Arango, J. C., & Villa-Holguín, A. L. (2018). Reciclado de espuma flexible de poliuretano mediante glicólisis usando hidrotalcitas Zn/Sn/Al como catalizador heterogéneo. Revista Facultad De Ingeniería Universidad De Antioquia, (87), 77–85. https://doi.org/10.17533/udea.redin.n87a10