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首页> 外文会议>Global Symposium on Recycling, Waste Treatment and Clean Technology; 20040926-29; Madrid(ES) >STUDY AND CHARACTERIZATION OF VIRGIN AND RECYCLED PE/PP BLENDS
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STUDY AND CHARACTERIZATION OF VIRGIN AND RECYCLED PE/PP BLENDS

机译：初榨蛋白和回收的PE / PP混合物的研究与表征

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摘要

The recycling of mixtures of consumer plastics composed of polyethylene and polypropylene was studied in this work an extruder of simple thread. Mixtures with virgin resin were also appraised with the intention of comparing possible alterations. The polypropylene post-consumption used came from the packings of cigarette wallets and the polyethylene from the protection film of cardboard packings. These two types of plastics were chosen because they are in great amount in the residues generated in the municipal district of Santa Cruz do Sul. The samples were prepared in the composition of PE (90w%): PP (10 w%). The addition of a compatibilizer was evaluated in the mixtures with virgin resin as much as for those with post-consumption plastic. The traction tests accomplished showed that the addition of PP in the matrix of PE alters the properties of the mixture because the modulus of elasticity increased in relation to the PE. The addition of a compatibilizer caused an increase in the modulus of elasticity in both studied cases (samples with virgin resin and with recycled); however, a larger alteration is observed for the virgin resin.
机译：在这项工作中，研究了由聚乙烯和聚丙烯组成的消费塑料混合物的循环利用。还评估了与原始树脂的混合物，目的是比较可能的变化。消费后使用的聚丙烯来自香烟钱包包装，聚乙烯来自纸板包装保护膜。选择这两种类型的塑料，是因为它们在南圣克鲁斯市区产生的残留物中含量很高。以PE（90w％）：PP（10w％）的组成制备样品。用纯树脂对混合物的添加量进行了评估，与使用后塑料的混合物一样。完成的牵引力测试表明，在PE基质中添加PP会改变混合物的性能，因为相对于PE而言，弹性模量有所增加。在两种研究情况下（使用纯树脂和回收利用的样品），添加相容剂都会导致弹性模量的增加。但是，原始树脂的变化较大。

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