The DOI matches its Crossref record; 36 of the 36 references it cites were found in a registry or an index.
Transparent Cellulose Films with High Gas Barrier Properties Fabricated from Aqueous Alkali/Urea Solutions
Abstract
Transparent and bendable regenerated cellulose films prepared from aqueous alkali (NaOH or LiOH)/urea (AU) solutions exhibit high oxygen barrier properties, which are superior to those of conventional cellophane, poly(vinylidene chloride), and poly(vinyl alcohol). Series of AU cellulose films are prepared from different cellulose sources (cotton linters, microcrystalline cellulose powder, and softwood bleached kraft pulp) for different dissolution and regeneration conditions. The oxygen permeabilities of these AU cellulose films vary widely from 0.003 to 0.03 mL μm m(-2) day(-1) kPa(-1) at 0% relative humidity depending on the conditions used to prepare the films. The lowest oxygen permeability is achieved for the AU film prepared from 6 wt % cellulose solution by regeneration with acetone at 0 °C. The oxygen permeabilities of the AU cellulose films are negatively correlated with their densities, and AU films prepared from solutions with high cellulose concentrations by regeneration in a solvent at low temperatures generally have low oxygen permeabilities. The AU cellulose films are, therefore, promising biobased packaging materials with high-oxygen barrier properties.
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Metadata
- Authors
- Yang, Q., Fukuzumi, H., Saito, T., Isogai, A., & Zhang, L.
- Venue
- Biomacromolecules
- Publisher
- American Chemical Society (ACS)
- Published
- 2011-06-21
- Volume
- 12
- Issue
- 7
- Pages
- 2766-2771
- ISSN
- 1525-7797 (ISSN-L)
- 1526-4602
- OpenAlex
- W2047516195
- Cited by
- 272
- References
- 36
- FWCI
- 4.44
- Type
- journal article
- Language
- en
- Open access
- closed
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