Assembly of an unbalanced charged polyampholyte onto Nafion® to produce high-performance composite membranes. | LitMetric

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Assembly of an unbalanced charged polyampholyte onto Nafion® to produce high-performance composite membranes. | LitMetric

Assembly of an unbalanced charged polyampholyte onto Nafion® to produce high-performance composite membranes.

Shenghai Li Suobo Zhang Qifeng Zhang Guorui Qin

Chem Commun (Camb)

Key Laboratory of Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China.

Published: December 2012

A novel composite membrane named SPES-NH(2)-GA-Nafion® was created.
This membrane exhibits improved proton conductivity and decreased methanol permeability.
The fabrication involved covalent crosslinking and layer-by-layer self-assembly using an unbalanced charged polyampholyte and glutaraldehyde with adjustable sulfonic acid content.

A novel SPES-NH(2)-GA-Nafion® composite membrane with higher proton conductivity and lower methanol permeability was fabricated by covalent crosslinking layer-by-layer self-assembly of an unbalanced charged polyampholyte (SPES-NH(2)) and glutaraldehyde (GA) with controllable free sulfonic acid content.

Download full-text PDF	Source
http://dx.doi.org/10.1039/c2cc36871d	DOI Listing

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