Antibacterial Activity and Mechanical Properties of Poly(Lactic-Acid) Composites Containing Zeolite-type Inorganic Bacteriocide

Park, Yuri; Park, Tae-Hee; Lee, Rami; Baek, Jong-sung; Jhee, Kwang-Hwan; Bang, Daesuk

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자료유형: 학술저널

저자정보: Park, Yuri (School of Science and Engineering of Chemical Materials, Kumoh National Institute of Technology) Park, Tae-Hee (School of Science and Engineering of Chemical Materials, Kumoh National Institute of Technology) Lee, Rami (School of Science and Engineering of Chemical Materials, Kumoh National Institute of Technology) Baek, Jong-sung (School of Science and Engineering of Chemical Materials, Kumoh National Institute of Technology) Jhee, Kwang-Hwan (School of Science and Engineering of Chemical Materials, Kumoh National Institute of Technology) Bang, Daesuk (School of Science and Engineering of Chemical Materials, Kumoh National Institute of Technology)

저널정보: 한국고무학회 Elastomers and composites 엘라스토머 및 콤포지트 제52권 제3호

발행연도: 2017.1

수록면: 201 - 210 (10page)

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📌

연구주제

📖

연구배경

🔬

연구방법

🏆

연구결과

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We studied the antibacterial effect and mechanical properties of PLA composites with in organic porous zeolite-type bacteriocides. The specimens were prepared by an intermeshing co-rotating twin screw extruder using different contents of inorganic bacteriocide. The degree of dispersion of the in organic bacteriocide in the PLA composite was confirmed by FE-SEM. The contents of Ag and Zn in the composite were also investigated by energy dispersive spectroscopy at different concentrations of the inorganic bacteriocide. The antibacterial effects were analyzed by turbidity analysis, shaking culture, and drop-test. The mechanical properties, such as the tensile and flexural properties, impact strength, and physical properties, were also investigated. As the content of inorganic bacteriocide increased, the antibacterial activity was increased, especially against Staphylococcus aureus. Mechanical properties, namely, tensile strength, elongation, flexural strength, and impact strength, tended to decrease with an increase in inorganic bacteriocide content, but the tensile and flexural modulus increased.

#inorganic bacteriocide #porous zeolites #PLA composites #antibacterial effect #mechanical properties

참고문헌 (16)

참고문헌 신청

E. T. H. Vink / 2003 / Applications of life cycle assessment to Natural WorksTM polylactide (PLA) production / Polym. Degra. & Stabil 80:403

조동환 / 2009 / 자연순환형 바이오복합재료 / 엘라스토머 및 콤포지트 44(1):13~21

C. Marambio-Jones / 2010 / A review of the antibacterial effects of silver nanomaterials and potential implications for human health and the environment / J. Nanopart. Res 12:1531

Antonio Martines-Abad / 2014 / Characterization of transparent silver loaded poly(L-lactide)films produced by melt-compounding for the sustained release of antimicrobial silver ions in food appications / Food Control 43:238

J. Husheng / 2008 / The structures and antibacterial properties of nano-SiO2 supported silver/zinc-silver materials / Dent. Mater 24:244

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