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Preparation of ZnO/Nylon 6/6 nanocomposites, their characterization and application in dye decolorization
Applied Water Science ( IF 5.5 ) Pub Date : 2021-06-04 , DOI: 10.1007/s13201-021-01442-0
Khalid Saeed , Idrees Khan , Madiha Ahad , Tariq Shah , Muhammad Sadiq , Amir Zada , Noor Zada

Nylon 6/6 and ZnO/nylon 6/6 nanocomposite films were prepared by solvent casting method. Morphological study displayed that ZnO NPs are better dispersed in nylon 6/6. However, some agglomerations were found by the incorporation of high quantities of fillers. The thermal stabilities of neat nylon 6/6 films decreased by addition of nanoparticles (NPs). DSC study shows that the NPs slow down the crystallization rate of neat polymer matrix. POM of Nylon 6/6 upon crystallization showed distinct sized spherulites, which decreased by the incorporation of NPs because of nucleation effect of NPs. The mechanical properties of neat polymer are decreased by addition of ZnO NPs, which might be due to agglomeration of fillers. The neat nylon 6/6 and ZnO/nylon 6/6 nanocomposite were used for the photodegradation of alizarin red (AR) dye, which shows that pure nylon 6/6 degraded about 28% dye while 30% ZnO/Nylon 6/6 degraded about 58.3% dye within 5 h irradiation.



中文翻译:

ZnO/尼龙6/6纳米复合材料的制备、表征及在染料脱色中的应用

采用溶剂浇铸法制备了尼龙6/6和ZnO/尼龙6/6纳米复合薄膜。形态学研究表明,ZnO NPs 更好地分散在尼龙 6/6 中。然而,通过掺入大量填料发现了一些附聚。添加纳米颗粒 (NPs) 会降低纯尼龙 6/6 薄膜的热稳定性。DSC 研究表明 NPs 减慢了纯聚合物基体的结晶速率。结晶后尼龙 6/6 的 POM 显示出不同大小的球晶,由于 NP 的成核效应,其通过 NP 的掺入而减少。添加 ZnO NPs 会降低纯聚合物的机械性能,这可能是由于填料的团聚。纯尼龙 6/6 和 ZnO/尼龙 6/6 纳米复合材料用于光降解茜素红 (AR) 染料,

更新日期:2021-06-04
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