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Material properties and water resistance of inorganic–organic polymer coated cellulose paper and nanopaper
RISE Research Institutes of Sweden, Bioeconomy and Health, Material and Surface Design.ORCID iD: 0000-0001-7658-9091
RISE Research Institutes of Sweden, Bioeconomy and Health, Material and Surface Design.ORCID iD: 0000-0002-5660-022X
Fraunhofer, Germany.
Fraunhofer, Germany.
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2023 (English)In: Cellulose, ISSN 0969-0239, E-ISSN 1572-882X, Vol. 30, p. 1205-1223Article in journal (Refereed) Published
Abstract [en]

Cellulose-based materials represent a renewable, biodegradable, and environmentally friendly alternative to plastic from fossil resources. Nanopaper is a strong and lightweight material formed from cellulose nanofibrils (CNFs). Paper and nanopaper have been considered as excellent alternatives to plastics for use in agriculture and for packaging applications. However, common for both paper and nanopaper is their hydrophilic character, and consequently, poor water-resistance properties. ORMOCER®s are a class of inorganic–organic polymers with excellent barrier and protective properties used for a range of coating applications. Here we present ORMOCER®-coated paper and nanopaper. The coated papers and nanopapers are characterized, both in terms of their morphology, hydrophobicity, and mechanical properties. We demonstrate that the pressure used during the pressing and drying of paper and nanopaper influence their tear and tensile—properties, and that the morphology of the coated nanopaper differs significantly from that of the coated paper. While the ORMOCER® was impregnated within the porous network of the paper, a well-defined two-layered morphology was obtained with the coated nanopaper. Further, the biodegradability of the nanopaper with and without coating was assessed. The degradation study demonstrated that both the pressure used during the pressing and drying of the nanopaper, and the composition of the ORMOCER®, influenced the rate of degradation. Taken together, ORMOCER®-coated paper and nanopaper are promising for the preparation of materials that are both water-resistant, renewable, and biodegradable. © 2022, The Author(s).

Place, publisher, year, edition, pages
Springer Science and Business Media B.V. , 2023. Vol. 30, p. 1205-1223
Keywords [en]
Cellulose, Hydrophobic coating, Nanopaper, Organic–inorganic polymers, Paper, Tunable biodegradation, Biodegradability, Biodegradable polymers, Hydrophobicity, Morphology, Plastic coatings, Coated paper, Hydrophobic coatings, Inorganic-organic polymers, Organic inorganic polymers, ORMOCER, Pressung, Tunables, Water-resistances, Biodegradation
National Category
Paper, Pulp and Fiber Technology
Identifiers
URN: urn:nbn:se:ri:diva-61430DOI: 10.1007/s10570-022-04925-8Scopus ID: 2-s2.0-85141690021OAI: oai:DiVA.org:ri-61430DiVA, id: diva2:1717193
Note

 Funding details: Norges Forskningsråd, 305151; Funding text 1: Open access funding provided by RISE Research Institutes of Sweden. This work was supported by Bioeconomy in the North and the Research Council of Norway (Grant Number 305151). The authors declare no competitive financial interests.

Available from: 2022-12-07 Created: 2022-12-07 Last updated: 2024-03-18Bibliographically approved

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Solberg, AmalieZehner, JenniferSyverud, Kristin

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