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License: CC BY NC ND
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Preparación y caracterización de espumas multifuncionales de polipropileno

Authors: Antunes, Marcelo de Sousa Pais; Redondo Realinho, Vera Cristina de; Martínez Benasat, Antonio; Maspoch Rulduà, M. Lluïsa; Velasco Perero, José Ignacio;

Preparación y caracterización de espumas multifuncionales de polipropileno

Abstract

La combinación de la espumación junto con refuerzos funcionales permite ampliar el rango de propiedades de los sólidos, añadiendo a una elevada rigidez específica la regulación de otras características como las propiedades de transporte. Aunque las espumas poliolefínicas se encuentren extendidas, las ventajas de emplear PP en lugar de PE sólo empiezan a ser importantes para densidades > 100 kg/m3. Por ello, en este trabajo se presenta el estudio de la influencia de la espumación e incorporación de varios refuerzos en las propiedades de espumas de PP de densidad media-alta. Se muestra que la presencia de nanopartículas de montmorillonita induce estructuras celulares más isotrópicas, mejorando su comportamiento mecánico, pero sin alterar la conductividad térmica [1-2]. La incorporación de elevados porcentajes de carga mineral resulta en espumas rígidas con marcadas anisotropías celulares y térmicas, e interesantes propiedades de resistencia al fuego. También pueden obtenerse espumas conductoras eléctricas por incorporación de nanofibras de carbono con posibilidades en aplicaciones como el pintado electrostático

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Spain
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Keywords

Polipropilè -- Propietats, Àrees temàtiques de la UPC::Enginyeria dels materials::Materials plàstics i polímers, :Enginyeria dels materials::Materials plàstics i polímers [Àrees temàtiques de la UPC], Polypropylene

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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!
views
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