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Estudio de la interacción de la poliamida 6 con el yodo mediante espectrometría FT-IR

Study of interaction of polyamide 6 with iodine by FT-IR spectometry
Authors: Maillo Garrido, Josefina; Pagès Figueras, Pere; Vallejo Ortiz, Erica Mª; Lacorte Avila, M. Teresa; Gacén Guillén, Joaquín;

Estudio de la interacción de la poliamida 6 con el yodo mediante espectrometría FT-IR

Abstract

L’étude porte sur les spectres IR de plusieurs échantillons de polyamide 6, traités avec des solutions d’iode et d’iodure de potassium à différentes concentrations, et sur les spectres de leurs respectives désorptions d’iode après un traitement au thiosulfate de sodium. Les changements spectraux observés ont été associés aux variations dans les formes polymorphiques cristallines  et  de la polyamide, qui mettent en évidence la formation d’un complexe entre l’ion tri-iodure et le polymère pendant le processus de sorption de l’iode et un changement de structure pendant la désorption.

Se estudian los espectros IR de varias muestras de poliamida 6 tratadas con soluciones de yodo y yoduro potásico de diferentes concentraciones, y los de sus respectivas desorciones de yodo por tratamiento con tiosulfato sódico. Los cambios espectrales observados se han relacionado con las variaciones en las formas polimórficas cristalinas y  de la poliamida, que ponen de manifiesto la formación de un complejo entre el ión tri-yoduro y el polímero durante el proceso de sorción de yodo y un cambio de estructura durante la desorción.

The IR spectra of several samples of polyamide 6 treated with iodine and potassium iodide solutions of different concentrations were studied, along with their respective desorption of iodine under treatment with sodium thiosulphate. The spectral changes observed were related to variations in the  and  polymorphic crystalline shapes of the polyamide, which reveal the formation of a complex between the triiodide ion and the polymer during the process of iodine sorption and a change in structure during desorption.

Country
Spain
Keywords

Àrees temàtiques de la UPC::Enginyeria tèxtil, Iode, Poliamides, Cristal·lització, Espectrometria, Microestructura

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selected citations
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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).
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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.
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