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首页> 外文期刊>Journal of Advanced Manufacturing Technology >THERMAL AND MECHANICAL BEHAVIOUR OF RECYCLED POLYPROPYLENE/POLYETHYLENE BLENDS OF REJECTED-UNUSED DISPOSABLE DIAPERS
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THERMAL AND MECHANICAL BEHAVIOUR OF RECYCLED POLYPROPYLENE/POLYETHYLENE BLENDS OF REJECTED-UNUSED DISPOSABLE DIAPERS

机译：拒绝使用的一次性纸浆的再生聚丙烯/聚乙烯混合物的热学和力学行为

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This paper presents the characterization of recycled plastic that derived from the rejected-unused disposable diapers containing polypropylene (PP) and polyethylene (PE), noted as r-PP/PE. The blends were tested for thermal, mechanical and morphological properties. Tensile test showed that the r-PP/PE is lower in strength and strain but higher for modulus in comparison to the v-PP/PE by 56%, 55%, and 2% respectively. ?For the flexural properties, the r-PP/PE also has lower in strength, strain, and modulus as 67%, 13%, and 77% respectively. Lower absorbed energy and impact strength was observed in r-PP/PE, 36% and 24% respectively compared to v-PP/PE. Thermal analysis revealed that the degree of crystallinity of recycled PP and PE was 19% and 20% lower than the virgin possibly due to thermal degradation during the process. Morphological examination revealed the present of impurity, phase separations and inhomogeneity were found in the r-PP/PE as compared to v-PP/PE that might contribute to their lower strength.
机译：本文介绍了再生塑料的特性，这些废塑料是由拒绝使用的，含有聚丙烯（PP）和聚乙烯（PE）的一次性尿布衍生而来的，记为r-PP / PE。测试了共混物的热，机械和形态性能。拉伸测试表明，与v-PP / PE相比，r-PP / PE的强度和应变更低，而模量更高，分别为56％，55％和2％。对于弯曲性能，r-PP / PE的强度，应变和模量也较低，分别为67％，13％和77％。与v-PP / PE相比，r-PP / PE的吸收能量和冲击强度较低，分别为36％和24％。热分析表明，回收的PP和PE的结晶度分别比原始原料低19％和20％，这可能是由于该过程中的热降解所致。形态学检查显示，与v-PP / PE相比，r-PP / PE中存在杂质，相分离和不均匀性，这可能有助于降低强度。

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