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Esterification of Nanofibrillated Cellulose using Lauroyl Chloride and its Composite Films with Polybutylene Succinate
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Esterification of Nanofibrillated Cellulose using Lauroyl Chloride and its Composite Films with Polybutylene Succinate
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Journal Article
Esterification of Nanofibrillated Cellulose using Lauroyl Chloride and its Composite Films with Polybutylene Succinate
2023
Overview
Esterified nanofibrillated cellulose (eNFC) with varying degrees of substitution was prepared using fatty acid chloride. Furthermore, the effect of esterification on properties of pure NFC and its composites with polybutylene succinate (PBS) was investigated. Lauroyl chloride (LC) with 12 carbon atoms was used for esterification. An increase in the amount of LC increased the degree of substitution (DS), which significantly decreased the water contact angle and improved the hydrophobicity of NFC. The addition of fatty acid to NFCs lowered their crystallinity. However, the fatty acid increased the hydrophobicity of NFCs, thereby improving their dispersibility in nonpolar solvents. Compared with pure NFCs, eNFC exhibited enhanced compatibility with PBS, and the addition of eNFC with an appropriate DS increased the tensile strength and elastic modulus of PBS. These findings suggest the potential of NFC esterification for improving the performance of NFC-based composite materials.
Publisher
North Carolina State University
Subject
