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首页> 外文期刊>Journal of Applied Polymer Science >Are nanoclay-containing polymer composites safe for food packaging applications?-An overview
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Are nanoclay-containing polymer composites safe for food packaging applications?-An overview

机译：是含纳米铬的聚合物复合材料，用于食品包装应用吗？ - 概述

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摘要

The growth in polymer-based innovative packaging technology has brought about a revolution in extending the shelf life of many food and aquatic products. One of the emerging areas in this field is polymer nanocomposite (PNC) technology, which involves the incorporation of various chemicals and nanoadditives into polymers to improve their inherent properties or to add required functionality. Because the nanoparticles may interact with food components during processing, storage, or distribution and may migrate into food, PNC-based packaging materials require awareness and understanding of their potential impact on human health and the environment. Interest in migration and cytotoxic analysis of PNC has gained considerable momentum in recent years. The focus of this article is on clay-containing PNCs because the global trend in PNCs shows that 50% of all nanofillers constitute nanoclays of either natural or synthetic origin. This article presents a summary of perspectives on international regulations on test parameters and migration of chemicals from materials that come into contact with food, followed by a critical review of (1) complaints concerning the polymers, compatibilizers, and adhesive tie layers used in polymeric packages, (2) migration of constituents from PNC-based films/articles, and (3) toxicity evaluation of nanoclays and migration of nanoclays from PNCs. Finally, we believe a review article of this nature will help academic and industrial researchers who want to bring advanced PNC-based products into the market for food packaging applications. (c) 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 47214.
机译：基于聚合物的创新包装技术的增长带来了扩大许多食品和水产品的保质期的革命。该领域的一个新兴区域是聚合物纳米复合材料（PNC）技术，其涉及将各种化学品和纳米载物掺入聚合物中以改善其固有性质或添加所需的功能。因为纳米颗粒可以在加工，储存或分布期间与食物组分相互作用，并且可能迁移到食品中，基于PNC的包装材料需要了解和理解他们对人类健康和环境的潜在影响。近年来，PNC对PNC的迁移和细胞毒性分析的兴趣增强了相当大的动力。本文的重点是含粘土的PNC，因为PNC的全球趋势表明，50％的所有纳米填充物构成天然或合成起源的纳米铬。本文介绍了关于测试参数的国际法规和从与食品接触的材料迁移的国际法规的概要，其次是对聚合物封装中使用的聚合物，增容剂和粘合剂粘合层的批判性审查（2）从基于PNC的薄膜/制品中的成分迁移，（3）纳米粘土的毒性评价和PNC的纳米阵列的迁移。最后，我们认为这项性质的审查条款将帮助希望将先进的PNC的产品带入食品包装应用市场的学术和工业研究人员。 （c）2018 Wiley期刊，Inc.J.Phill。聚合物。 SCI。 2019,136,47214。

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