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首页> 外文期刊>Polymer bulletin >PBAT/organoclay composite filmspart 2: effect of UV aging on permeability, mechanical properties and biodegradation
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PBAT/organoclay composite filmspart 2: effect of UV aging on permeability, mechanical properties and biodegradation

机译：PBAT / Oransoclay复合薄膜组分：UV老化对渗透性，机械性能和生物降解的影响

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摘要

Biodegradable alternatives are required in order to minimize the environmental impacts caused by inadequate disposal of plastics, especially fast-discharge plastics such as those used in the packaging. This work studied the permeability, mechanical properties and biodegradability of PBAT/organoclay composite films. The materials were melt-mixed in an internal laboratory mixer, and films containing 1, 3 and 5% of organoclay were prepared in a chill roll extruder. The samples were subjected to UV radiation, and their properties were evaluated before and after accelerated aging. Results show that tensile properties, gas permeability and biodegradation depend on filler content and that oxygen and carbon dioxide permeabilities were affected by UV aging. Although the mechanical properties are negatively affected by filler incorporation, oxygen and carbon dioxide permeabilities decreased and biodegradability increased in the composites, making them an interesting option for use in packaging.
机译：需要可生物降解的替代品，以最大限度地减少塑料处理不足，特别是快速放电塑料，例如包装中使用的塑料所造成的环境影响。 该工作研究了PBAT / Organoclay复合膜的渗透性，机械性能和生物降解性。 将材料熔融混合在内部实验室混合器中，并在冷却辊挤出机中制备含有1,3和5％有机粘土的膜。 对样品进行UV辐射，并在加速老化之前和之后评价它们的性质。 结果表明，拉伸性能，透气性和生物降解取决于填料含量，氧气和二氧化碳渗透率受UV老化的影响。 虽然机械性能受填料掺入的负面影响，但是在复合材料中增加氧气和二氧化碳渗透率和生物降解性，使其成为包装的有趣选择。

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