Journal
RSC ADVANCES
Volume 5, Issue 98, Pages 80702-80708Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ra12671a
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Funding
- Finnish Bioeconomy Cluster (FIBIC Oy, formerly known as Forest Cluster Ltd)
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Cellulose is mainly utilized by industry for paper and packaging materials. Due to ecological awareness this biopolymer has recently received an increasing amount of attention as a renewable alternative for replacing traditional oil based products. In this work, hydrophobic cellulose based materials were prepared by acylation of cellulose with tall oil fatty acid based saturated, unsaturated and branched fatty acids. Films were prepared by casting, and their oxygen and water vapour permeabilities as well as mechanical and thermal properties were characterized. Unsaturation and branching had a significant effect on the properties of the films. Comparing these materials with already existing commercial products showed that fatty acid modification of cellulose yields films with increased thermal stability, low water vapour transmission rates and enhanced tensile and elastic properties.
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