Mechanical properties and XRD of Nafion modified by 2-hydroxyethylammonium ionic liquids

In this work, the Nafion 112 membrane impregnated with 2-hydroxyethylammonium carboxylate ionic liquids have been investigated. The used ionic liquids were 2-hydroxyethylammonium formate [HEA]F, acetate [HEA]A and lactate [HEA]L. Prepared composite membranes Nafion/ionic liquid are characterized by...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2013-01, Vol.49 (1), p.12058-4
Main Authors: Garaev, V, Pavlovica, S, Reinholds, I, Vaivars, G
Format: Article
Language:English
Subjects:
Acetates
Biodegradability
Chemical bonds
Creep tests
Elastic modulus
Formates
Ionic liquids
Ions
Materials science
Mechanical properties
Mechanical tests
Membranes
Modulus of elasticity
Tensile strength
Tensile tests
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Summary:In this work, the Nafion 112 membrane impregnated with 2-hydroxyethylammonium carboxylate ionic liquids have been investigated. The used ionic liquids were 2-hydroxyethylammonium formate [HEA]F, acetate [HEA]A and lactate [HEA]L. Prepared composite membranes Nafion/ionic liquid are characterized by mechanical testing, such as tensile test and creep test. It is found that ionic liquids decrease elastic modulus and creep compliance, but do not have significant effect on the tensile strength. Also, composite membranes were studied by wide angle X-ray diffraction. All ionic liquids shift the peak maximum to the lower angle. In this work, only biodegradable ionic liquids were used for composite preparation.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/49/1/012058