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Water Sorption and Diffusion in (Reduced) Graphene Oxide-Alginate Biopolymer Nanocomposites. / Vilcinskas, Karolis; Zlopasa, Jure; Jansen, Kaspar M B; Mulder, Fokko M.; Picken, Stephen J.; Koper, Ger J M.

In: Macromolecular Materials and Engineering, Vol. 301, No. 9, 2016, p. 1049-1063.

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@article{7fc54077110d4347ab0d95d04f08e68f,
title = "Water Sorption and Diffusion in (Reduced) Graphene Oxide-Alginate Biopolymer Nanocomposites",
abstract = "The water sorption and diffusion in (reduced) graphene oxide-alginate composites of various compositions is analyzed. Water sorption of sodium alginate can be significantly reduced by the inclusion of graphene oxide sheets due to the formation of an extensive hydrogen bonding network between oxygenated groups. Crosslinking alginate with divalent metal ions and the presence of reduced graphene oxide can further improve the swelling resistance due to the strong interactions between metal ions, alginate, and filler sheets. Depending on conditions and composition, the overall water barrier properties of alginate composites improve upon (reduced) graphene oxide filling, making them attractive for moisture barrier coating applications. Water sorption kinetics in all alginate composites indicate a non-Fickian diffusion process that can be accurately described by the Variable Surface Concentration model. In addition, the water barrier properties of sodium alginate-graphene oxide composites can be adequately predicted using a simple model that takes the orientational order of filler sheets and their effective aspect ratio into account. (Figure presented.).",
keywords = "alginates, composites, crosslinking, graphene oxide, water diffusion",
author = "Karolis Vilcinskas and Jure Zlopasa and Jansen, {Kaspar M B} and Mulder, {Fokko M.} and Picken, {Stephen J.} and Koper, {Ger J M}",
year = "2016",
doi = "10.1002/mame.201600154",
language = "English",
volume = "301",
pages = "1049--1063",
journal = "Macromolecular Materials and Engineering",
issn = "1438-7492",
publisher = "Wiley-VCH Verlag",
number = "9",

}

RIS

TY - JOUR

T1 - Water Sorption and Diffusion in (Reduced) Graphene Oxide-Alginate Biopolymer Nanocomposites

AU - Vilcinskas, Karolis

AU - Zlopasa, Jure

AU - Jansen, Kaspar M B

AU - Mulder, Fokko M.

AU - Picken, Stephen J.

AU - Koper, Ger J M

PY - 2016

Y1 - 2016

N2 - The water sorption and diffusion in (reduced) graphene oxide-alginate composites of various compositions is analyzed. Water sorption of sodium alginate can be significantly reduced by the inclusion of graphene oxide sheets due to the formation of an extensive hydrogen bonding network between oxygenated groups. Crosslinking alginate with divalent metal ions and the presence of reduced graphene oxide can further improve the swelling resistance due to the strong interactions between metal ions, alginate, and filler sheets. Depending on conditions and composition, the overall water barrier properties of alginate composites improve upon (reduced) graphene oxide filling, making them attractive for moisture barrier coating applications. Water sorption kinetics in all alginate composites indicate a non-Fickian diffusion process that can be accurately described by the Variable Surface Concentration model. In addition, the water barrier properties of sodium alginate-graphene oxide composites can be adequately predicted using a simple model that takes the orientational order of filler sheets and their effective aspect ratio into account. (Figure presented.).

AB - The water sorption and diffusion in (reduced) graphene oxide-alginate composites of various compositions is analyzed. Water sorption of sodium alginate can be significantly reduced by the inclusion of graphene oxide sheets due to the formation of an extensive hydrogen bonding network between oxygenated groups. Crosslinking alginate with divalent metal ions and the presence of reduced graphene oxide can further improve the swelling resistance due to the strong interactions between metal ions, alginate, and filler sheets. Depending on conditions and composition, the overall water barrier properties of alginate composites improve upon (reduced) graphene oxide filling, making them attractive for moisture barrier coating applications. Water sorption kinetics in all alginate composites indicate a non-Fickian diffusion process that can be accurately described by the Variable Surface Concentration model. In addition, the water barrier properties of sodium alginate-graphene oxide composites can be adequately predicted using a simple model that takes the orientational order of filler sheets and their effective aspect ratio into account. (Figure presented.).

KW - alginates

KW - composites

KW - crosslinking

KW - graphene oxide

KW - water diffusion

UR - http://www.scopus.com/inward/record.url?scp=84991200327&partnerID=8YFLogxK

U2 - 10.1002/mame.201600154

DO - 10.1002/mame.201600154

M3 - Article

VL - 301

SP - 1049

EP - 1063

JO - Macromolecular Materials and Engineering

T2 - Macromolecular Materials and Engineering

JF - Macromolecular Materials and Engineering

SN - 1438-7492

IS - 9

ER -

ID: 7877577