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首页> 外文期刊>Journal of Applied Polymer Science >Mechanical recycling of post-used HDPE crates using the restabilization technique. II: Influence of artificial weathering
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Mechanical recycling of post-used HDPE crates using the restabilization technique. II: Influence of artificial weathering

机译：使用再稳定化技术对使用过的HDPE包装箱进行机械回收。二：人工风化的影响

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摘要

Artificial weathering was applied for about 8000 h to evaluate the light stability of postconsumer high-density polyethylene (HDPE) material recycled from bottle crates. For recycling the remelting-restabilization technique was applied. To study the effect of the restabilization, the tensile impact strength was monitored during the artificial weathering exposure. The data were compared with microphotographs of the specimens' surface. Repigmentation was used to evaluate the role of new pigments on the final performance of the recycled material. The repigmented grades were further studied by colorimetric determinations of the color difference (Delta E) during artificial weathering. The results illustrate that the restabilization is mandatory for improving the light stability of the postconsumer crate material, ensuring its re-use in the original application. (C) 2000 John Wiley & Sons, Inc. [References: 23]
机译：人工风化处理约8000小时，以评估从瓶包装箱回收的消费后高密度聚乙烯（HDPE）材料的光稳定性。为了回收，应用了重熔-再稳定化技术。为了研究再稳定化的效果，在人工风化暴露期间监测拉伸冲击强度。将数据与样品表面的显微照片进行比较。色素沉着被用于评估新颜料对再生材料最终性能的作用。通过比色法测定人工老化过程中的色差（ΔE），可以进一步研究该色素等级。结果表明，重新稳定化对于提高消费后板条箱材料的光稳定性是必不可少的，从而确保了其在原始应用中的重复使用。 （C）2000 John Wiley＆Sons，Inc. [参考：23]

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