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Tuning the Porosity, Water Interaction, and Redispersion of Nanocellulose Hydrogels by Osmotic Dehydration AITranslate

Valentina Guccini; Josphat Phiri; Jon Trifol; Ville Rissanen; Seyede Maryam Mousavi; Jaana Vapaavuori; Tekla Tammelin; Thaddeus Maloney; Eero Kontturi;
Aalto University; Aalto University; Aalto University;VTT Technical Research Centre of Finland Ltd; Aalto University; Aalto University;VTT Technical Research Centre of Finland Ltd; Aalto University; Aalto University
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Publisher: ACS
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Abstract AITranslate

Osmotic dehydration (OD) was introduced as a method to reproducibly tune the water content and porosity of cellulose nanofiber (CNF) hydrogels. The hierarchical porosity was followed by electron microscopy (pores with a >100 μm diameter) and thermoporosimetry (mesopores), together with mechanical testing, in hydrogels with solid contents ranging from 0.7 to 12 wt %. Furthermore, a reciprocal correlation between proton conductivity and the ratio of water bound to the nanocellulose network was established, suggesting the potential of these systems toward tunable energy materials.

KeyWords AITranslate

cellulose nanofibers thermoporosimetry ion conductivity redispersion controlled water removal
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Basic Information:

DOI：https://doi.org/10.1021/acsapm.1c01430

Chinese Library Classification Number:

Citation Information:

Osmotic dehydration (OD) was introduced as a method to reproducibly tune the water content and porosity of cellulose nanofiber (CNF) hydrogels. The hierarchical porosity was followed by electron microscopy (pores with a >100 μm diameter) and thermoporosimetry (mesopores), together with mechanical testing, in hydrogels with solid contents ranging from 0.7 to 12 wt %. Furthermore, a reciprocal correlation between proton conductivity and the ratio of water bound to the nanocellulose network was established, suggesting the potential of these systems toward tunable energy materials.

quote

GB/T 7714-2015 [1] Valentina Guccini, Josphat Phiri, Jon Trifol, et al. ACS Applied Polymer Materials, 2022(4). DOI:10.1021/acsapm.1c01430.
MLA [1] Valentina Guccini, et al., ACS Applied Polymer Materials, no. 4, 2022, https://doi.org/10.1021/acsapm.1c01430.
APA [1] Valentina Guccini, Josphat Phiri, Jon Trifol, Ville Rissanen, Seyede Maryam Mousavi, Jaana Vapaavuori, Tekla Tammelin, Thaddeus Maloney, & Eero Kontturi. (2022). ACS Applied Polymer Materials(4). https://doi.org/10.1021/acsapm.1c01430
IEEE [1] Valentina Guccini, Josphat Phiri, Jon Trifol, Ville Rissanen, Seyede Maryam Mousavi, Jaana Vapaavuori, Tekla Tammelin, Thaddeus Maloney, and Eero Kontturi, ACS Applied Polymer Materials, no. 4, 2022, doi: 10.1021/acsapm.1c01430. keywords: {cellulose nanofibers;thermoporosimetry;ion conductivity;redispersion;controlled water removal}