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首页> 外文会议>Global Symposium on Recycling, Waste Treatment and Clean Technology; 20040926-29; Madrid(ES) >MECHANICAL RECYCLING OF POST CONSUMER POLYURETHANE FOAM
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MECHANICAL RECYCLING OF POST CONSUMER POLYURETHANE FOAM

机译：消费后聚氨酯泡沫的机械回收

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摘要

This presentation discusses the results of a study on mechanical recycling of flexible Polyurethane (PU) foam. The purpose of the study was to characterize the physical and mechanical properties of flexible PU foams obtained through the incorporation of ground post-consumer foam and compare those properties with industrial specifications for vehicle seat applications and with actual samples of car seat foam. Foam residues were pre-ground and processed under appropriate conditions described herein and pulverized in a roll mill. The powder was then separated using vibratory screens and was mixed with a basic Polyol/Isocyanate car seat foam formulation in two different concentrations corresponding to two reprocessing steps. The foam samples containing an added 10wt% of recycled car seat material displayed characteristics similar to those required by automotive specifications, thus showing a good potential for reverting to their original application.
机译：本演讲讨论了对软质聚氨酯（PU）泡沫进行机械回收的研究结果。这项研究的目的是表征通过掺入磨碎的消费后泡沫获得的软质PU泡沫的物理和机械性能，并将这些性能与汽车座椅应用的工业规格以及汽车座椅泡沫的实际样品进行比较。将泡沫残余物预研磨并在本文所述的合适条件下进行处理，并在辊磨机中进行粉碎。然后使用振动筛分离粉末，并与两种多元浓度的两种不同浓度的碱性多元醇/异氰酸酯汽车座椅泡沫配方混合。包含添加的10wt％的可回收汽车座椅材料的泡沫样品显示出的特性类似于汽车规格所要求的特性，因此显示出恢复其原始应用的良好潜力。

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