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首页> 外文期刊>Journal of Applied Polymer Science >Application of paraffin and silver coated titania nanoparticles in polyethylene nanocomposite food packaging films
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Application of paraffin and silver coated titania nanoparticles in polyethylene nanocomposite food packaging films

机译：石蜡和银涂层二氧化钛纳米颗粒在聚乙烯纳米复合食品包装薄膜中的应用

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In this work, 3% and 5% TiO2/Ag nanoparticles were dispersed in low-density polyethylene through melt blending process, and subsequently nanocomposite films were prepared by hot pressing. Paraffin was used for the first time in this work as compatibilizer agent. The effect of TiO2/Ag nanoparticle content, as well as compatibilizer dosage on the antimicrobial, morphological, mechanical, and optical performance of the nanocomposite films was investigated. Improved mechanical properties of the nanocomposite films were found on using paraffin as compatibilizer in comparison with the neat low-density polyethylene (LDPE) films. The optical study results also showed that the addition of TiO2/Ag to the LDPE films does not drastically change the film appearance other than making them more reddish. The fabricated nanocomposites presented in this study could be a suitable choice for food packaging (subject to further investigation of the food packaging behavior). The results showed that both TiO2/Ag nanoparticle and compatibilizer are needed to prevent the bacteria growth in the film. The best result was obtained by using 5% nanoparticle and 4% paraffin compatibilizer where the bacteria growth rate was significantly reduced by 95%. (C) 2017 Wiley Periodicals, Inc.
机译：在这项工作中，通过熔融共混工艺将3％和5％TiO 2 / Ag纳米颗粒分散在低密度聚乙烯中，随后通过热压制备纳米复合膜。石蜡在这项工作中首次使用作为增容剂剂。研究了TiO2 / Ag纳米粒子含量的影响，以及纳米复合膜的抗微生物，形态，机械和光学性能的增容剂剂量。与纯净的低密度聚乙烯（LDPE）膜相比，使用石蜡作为增容剂，发现了纳米复合膜的改善的力学性能。光学研究结果还表明，除了使它们更红地之外，将TiO 2 / Ag添加到LDPE薄膜上不会彻底改变薄膜外观。 The fabricated nanocomposites presented in this study could be a suitable choice for food packaging (subject to further investigation of the food packaging behavior).结果表明，TiO2 / Ag纳米粒子和增容剂都需要预防膜中的细菌生长。通过使用5％纳米颗粒和4％石蜡增容剂获得的最佳结果，其中细菌生长速率明显减少了95％。 （c）2017 Wiley期刊，Inc。

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