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首页> 外文期刊>Journal of Applied Polymer Science >Influence of the coupling agent and graphene oxide on the thermal and mechanical behavior of tea dust-polypropylene composites
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Influence of the coupling agent and graphene oxide on the thermal and mechanical behavior of tea dust-polypropylene composites

机译：偶联剂和氧化石墨烯对茶粉-聚丙烯复合材料热力学性能的影响

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摘要

In this study, the effects of a coupling agent and additive on the physicomechanical (morphological, mechanical, thermal, and swelling) properties of tea dust (TD)-polypropylene (PP) composites were studied. TD-PP composites were prepared with untreated tea dust (UTD) and tetraethylsilane (TES)-treated TD or silanated tea dust (STD) particles at ratios of 0: 100, 10: 90, 20: 80, 30:70, and 40:60 w/w. Initially, TD particles were grafted by TES as a coupling agent, and these STD particles were then modified with graphene oxide (GO) as an additive to study their effects on the STD-PP composites; these were compared to the STD-PP and UTD-PP composites in accordance with a study of improvements in the mechanical properties. All of the TD-PP composites were analyzed with Fourier transform infrared spectroscopy, scanning electron microscopy, and mechanical, thermal, and physical tests. The thermal and mechanical properties of both the STD-PP and GO-modified STD-PP composites were found to be improved as compared to those of the UTD-PP composites. So, the recycling of a large amount of TD as a waste material could be useful in the preparation of TD-PP composites. (C) 2015 Wiley Periodicals, Inc.
机译：在这项研究中，研究了偶联剂和添加剂对茶粉（TD）-聚丙烯（PP）复合材料的物理力学（形态，机械，热和溶胀）性能的影响。 TD-PP复合材料是用未经处理的茶粉（UTD）和四乙基硅烷（TES）处理的TD或硅烷化茶粉（STD）颗粒以0：100、10：90、20：80、30：70和40的比例制备的：60 w / w。首先，将TES接枝TD颗粒作为偶联剂，然后用氧化石墨烯（GO）改性这些STD颗粒，以研究它们对STD-PP复合材料的影响。根据对机械性能改进的研究，将它们与STD-PP和UTD-PP复合材料进行了比较。所有的TD-PP复合材料都通过傅里叶变换红外光谱，扫描电子显微镜以及机械，热和物理测试进行了分析。发现与UTD-PP复合材料相比，STD-PP和GO改性的STD-PP复合材料的热性能和机械性能均得到改善。因此，回收大量作为废物的TD可能对TD-PP复合材料的制备有用。 （C）2015年Wiley Periodicals，Inc.

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