Evaluation the Antimicrobial Activity of LDPE Nanocomposites Based on TiO2 Nanostructure for Food Packaging Applications

Proceedings of the 5th World Congress on New Technologies Pub Date : 2019-08-01 DOI:10.11159/ICNFA19.122

Nasser A Al-Tayya, A. M. Youssef, R. Al-Hindi

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Abstract

Extended Abstract This work aims to prepare and characterize novel nanocomposite materials based on low density polyethylene (LDPE) and titanium dioxide (TiO2) nanostructure for food packaging applications. The fabricated nanocomposites films were examined by X-ray diffraction pattern (XRD) and mechanical properties. The XRD results confirmed that the formation of LDPE nanocomposites films containing different concentrations of TiO2 nanostructure. The mechanical properties of the prepared LDPE/TiO2 nanocomposites were investigated. Moreover, the thermal properties of the prepared films displayed that the good enhancement of the thermal stability of the prepared film after addition of TiO2 nanostructure. Furthermore, the permeability of oxygen transmission rate (GTR) and water vapor transmission rate (WVTR) of the prepared LDPE nanocomposites were evaluated. Moreover, the antimicrobial activity of the prepared films against gram positive (Staphylococcus aureus) bacteria and gram negative (Pseudomonas aeruginosa) bacteria were investigated.

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基于TiO2纳米结构的LDPE纳米复合材料在食品包装中的抗菌性能评价

本工作旨在制备和表征基于低密度聚乙烯(LDPE)和二氧化钛(TiO2)纳米结构的新型食品包装纳米复合材料。对制备的纳米复合材料薄膜进行了x射线衍射图(XRD)和力学性能测试。XRD结果证实，LDPE纳米复合材料薄膜中含有不同浓度的TiO2纳米结构。研究了所制备的LDPE/TiO2纳米复合材料的力学性能。此外，所制备薄膜的热性能表明，TiO2纳米结构的加入使所制备薄膜的热稳定性得到了较好的增强。此外，还对制备的LDPE纳米复合材料的透氧率(GTR)和水蒸气透过率(WVTR)进行了评价。此外，还研究了制备的膜对革兰氏阳性(金黄色葡萄球菌)细菌和革兰氏阴性(铜绿假单胞菌)细菌的抑菌活性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Proceedings of the 5th World Congress on New Technologies

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