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Erschienen in: Cellulose 18/2022

05.10.2022 | Original Research

Convertible cellulosic platforms with manageable loads of 1-hydroxybenzotriazole: their preparation and conductive behavior

verfasst von: Madalina Elena Culica, Andreea-Laura Chibac-Scutaru, Mihai Asandulesa, Violeta Melinte, Corneliu Cojocaru, Sergiu Coseri

Erschienen in: Cellulose | Ausgabe 18/2022

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Abstract

A homogenous approach for manufacturing films composites that might be used as proton conducting membranes has been developed. This is attributable to cellulose acetate's excellent solubility in organic solvents, allowing it to incorporate heterocyclic nitrogen molecules such as 1-hydroxybenzotriazole (HOBt) in varied amounts. These films are quickly and conveniently converted to cellulose, making them prone to further TEMPO-oxidation on the surface, altering their properties, having a significant influence on overall morphology and proton conductivity. The surface features (contact angle, water uptake), morphology (scanning electron microscopy), and component compliance of all produced films were evaluated (FTIR). Furthermore, thermal characteristics show that the addition of HOBt seems to have no impact on the film's stability. As anticipated by molecular docking simulations, the composites based on TEMPO-oxidized matrix exhibited the best proton conductivity over a wide temperature range when measured using broadband dielectric spectroscopy.

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Literatur
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Metadaten
Titel
Convertible cellulosic platforms with manageable loads of 1-hydroxybenzotriazole: their preparation and conductive behavior
verfasst von
Madalina Elena Culica
Andreea-Laura Chibac-Scutaru
Mihai Asandulesa
Violeta Melinte
Corneliu Cojocaru
Sergiu Coseri
Publikationsdatum
05.10.2022
Verlag
Springer Netherlands
Erschienen in
Cellulose / Ausgabe 18/2022
Print ISSN: 0969-0239
Elektronische ISSN: 1572-882X
DOI
https://doi.org/10.1007/s10570-022-04865-3

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