Orange peel waste from juicing as raw material for plastic composites intended for use in food packaging,Journal of Applied Polymer Science

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Orange peel waste from juicing as raw material for plastic composites intended for use in food packaging
Journal of Applied Polymer Science ( IF 2.7 ) Pub Date : 2019-12-18 , DOI: 10.1002/app.48841
Jack Fehlberg ₁ , Chun‐Lung Lee ₂ , Laurent M. Matuana ₁ , Eva Almenar ₁

Affiliation

Utilization of orange peel (OP) from the juicing industry as filler material within a polymer matrix can add value to this agricultural waste and reduce dependence on nonrenewable resources. This study aims to investigate the impact of OP filler's physical characteristics including size, loading, and retention/removal of zest on plastic properties of interest for food packaging. Linear low‐density polyethylene (LLDPE) is selected to produce plastic composites due to its widespread use in food packaging. Eight different LLDPE/OP sheets from combinations of different OP characteristics are examined. Results show that OP particle sizes of 75–177 μm without zest at 0.4‐g loading improve thermal stability, color, dispersion, tensile strength, modulus of elasticity, and elongation at break as well as reduce air bubble formation and OP agglomerate sizes in LLDPE/OP composites. Results show a promise in utilization of OP fillers to produce a composite comparable to neat LLDPE and composites with UV‐blocking properties. © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2020, 137, 48841.

中文翻译：

来自榨汁的橙皮废料，用作食品包装用塑料复合材料的原料

利用榨汁业的橙皮（OP）作为聚合物基质中的填充材料，可以增加这种农业废料的价值，并减少对不可再生资源的依赖。这项研究旨在调查OP填充物的物理特性（包括尺寸，载荷和保持/去除皮）对食品包装所关注的塑料性能的影响。由于线性低密度聚乙烯（LLDPE）在食品包装中的广泛应用，因此被选择用于生产塑料复合材料。检查了来自不同OP特性组合的八种不同的LLDPE / OP表。结果表明，在0.4 g的载荷下，OP粒径为75–177μm，无皮时，可改善热稳定性，颜色，分散性，拉伸强度，弹性模量，和断裂伸长率，以及减少LLDPE / OP复合材料中气泡的形成和OP附聚物的尺寸。结果表明，利用OP填料可以生产出与纯LLDPE相当的复合材料和具有防紫外线性能的复合材料。分级为4 +©2019 Wiley Periodicals，Inc.J.Appl。Polym。科学2020，137，48841。

更新日期：2020-03-27

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