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J. Korean Ceram. Soc. > Volume 58(4); 2021 > Article
Journal of the Korean Ceramic Society 2021;58(4): 430-436.
doi: https://doi.org/10.1007/s43207-021-00119-3
Antimicrobial ceramic hybrid films for keep-freshness packaging with fluorinated illite particles
Dong Min Seong, Jeong Ho Chang
Center for Convergence Bioceramic Materials , Korea Institute of Ceramic Engineering and Technology (KICET) , Chungbuk 28160 , South Korea
Correspondence  Jeong Ho Chang ,Email: jhchang@kicet.re.kr
Received: December 25, 2020; Revised: February 8, 2021   Accepted: March 5, 2021.  Published online: July 31, 2021.
This work reports the preparation of a ceramic hybrid film for keep-freshness with enhanced oxygen and moisture permeability, and antimicrobial properties using fluorine-coated illite (F-illite) and low-density polyethylene (LDPE) resin. Before the fi lm was manufactured, a master batch of F-illite and LDPE was prepared through an extruder, and a large amount of LDPE resin was mixed to produce a film containing 4wt% F-illite. The amount and dispersity of the F-illite in the LDPE matrix were confi rmed by TGA, wide-angle XRD and SEM analysis. As a result, the F-illite hybrid fi lms had an oxygen transmission rate (OTR) of 13,430 mL/m2 ؚday), which is higher than 10,309 mL/m2 ؚday of the general LDPE film. Moreover, the water vapor transmission rate (WVTR) was 20.13 g/m2, which was higher than that of the general LDPE fi lm 16.13 g/m2·day. In addition, the F-illite hybrid film showed more than 99% antibacterial activity against S. aureus.
Key words: Antimicrobial · Fluorine-coated illite · Film · Oxygen transmission rate · Water vapor transmission rate
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