Journal
APPLIED CLAY SCIENCE
Volume 211, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.clay.2021.106170
Keywords
Halloysite nanotube; Surface modification; (3-aminopropyl)trimethoxysilane; Silver ions; Carrageenan; Antibacterial activity
Funding
- National Research Foundation of Korea (NRF) - Korea Government (MSIT) [2019R1A2C2084221]
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By modifying the surface of halloysite nanotubes, the loading capacity for silver ions was improved, leading to the development of carrageenan-based composite films with superior properties for active food packaging applications.
The surface of the halloysite nanotubes (Hal) was modified to improve the silver ion loading capacity using (3aminopropyl)trimethoxysilane (APTMS). Surface modification of Hal was confirmed using Fourier transform infrared (FT-IR) spectroscopy and thermal gravimetric analysis (TGA). The modification of Hal using APTMS improved the silver ion adsorption capacity. The functionalized Hal was used as a nanofiller to make the carrageenan-based composite film. The carrageenan-based films with silver ion loaded APTMS-modified halloysite exhibited increased WCA, UV-light barrier, WVP, and antibacterial activity than their unmodified counterparts. The developed film with superior physical and functional properties is likely to be used for active food packaging applications.
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