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Recolector de Ciencia Abierta, RECOLECTA
Conference object . 2011 . Peer-reviewed
License: CC BY NC ND
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Caracterización mecánica de espumas rígidas multifuncionales de poliuretano

Authors: Antunes, Marcelo de Sousa Pais; Cano, Álvaro; Redondo Realinho, Vera Cristina de; Arencón Osuna, David; Velasco Perero, José Ignacio;

Caracterización mecánica de espumas rígidas multifuncionales de poliuretano

Abstract

En el presente trabajo se prepararon y caracterizaron espumas de poliuretano con refuerzo multi-escalar combinando concentraciones variables de arcilla organofílica (montmorillonita) y de lana de esparto, con el propósito de desarrollar espumas rígidas multifuncionales. La incorporación de montmorillonita contribuyó a favorecer la espumación y la formación de estructuras celulares más finas y homogéneas, resultando en espumas con esfuerzos de colapso a compresión inferiores a los obtenidos para las espumas de poliuretano. Sin embargo, un análisis comparativo frente a la densidad relativa, demuestra que las propiedades mecánicas de ambas series de espumas siguen una única tendencia común. La combinación de lana de esparto y montmorillonita contribuyó a reducir aún más el tamaño celular, promoviendo simultáneamente la apertura parcial de las celdas, lo que resulta es espumas con esfuerzos de colapso inferiores.

Peer Reviewed

Country
Spain
Related Organizations
Keywords

Poliuretà -- Propietats mecàniques, Materials compostos -- Assaig de materials -, Polyurethanes -- Mechanical properties, Àrees temàtiques de la UPC::Enginyeria dels materials::Materials plàstics i polímers, Àrees temàtiques de la UPC::Enginyeria dels materials::Materials compostos

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average