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首页> 外文期刊>Materials Letters >Novel chemical filter using PET film support
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Novel chemical filter using PET film support

机译：使用PET薄膜支撑的新型化学过滤器

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摘要

Main required performances for a chemical filter are high removal efficiency, long life, low pressure drop and low out gas. We prepared the chemical filter composed of activated carbon or cation-exchange beads which were bound with polyurethane foam by adhesive. We examined two activated carbons whose shapes were bead-shaped and granular, respectively, and the cation-exchange beads whose average diameter was varied from 0.6 to 0.3 mm. The performance of the bead-shaped activated carbon is, however, similar to that of the granular one. We replaced the support material from polyurethane foam to polyethyleneterephthalate (PET) film because polyurethane foam is not pure to cause out gas. Using PET film, we had to design the different structure of chemical filter from traditional one. The performances of novel chemical filter using PET were better than those of the former one.
机译：化学过滤器的主要要求性能是去除效率高，寿命长，低压降和低出气量。我们准备了由活性炭或阳离子交换珠组成的化学过滤器，它们通过粘合剂与聚氨酯泡沫粘合在一起。我们检查了两种形状分别为珠状和粒状的活性炭，以及阳离子交换珠的平均直径在0.6到0.3 mm之间变化。然而，珠状活性炭的性能与粒状活性炭的性能相似。我们将支撑材料从聚氨酯泡沫替换为聚对苯二甲酸乙二酯（PET）膜，因为聚氨酯泡沫不是纯净的，不会产生气体。使用PET膜，我们必须设计与传统过滤器不同的化学过滤器结构。使用PET的新型化学过滤器的性能要优于前者。

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