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Non-isothermal crystallization of poly(trimethylene terephthalate)/ single-walled carbon nanotubes nanocomposites

机译:聚对苯二甲酸丙二醇酯/单壁碳纳米管纳米复合材料的非等温结晶

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In this work, non-isothermal crystallization behavior of nanocomposites based on poly(trimethylene terephthalate) (PTT) and single-walled carbon nanotubes (SWCNTs) and neat PTT was studied in order to determine the effects of SWCNTs on its crystallization behavior. Nanocomposites with 0.3 and 0.5 wt. % of SWCNTs were studied. Using of SAXS and DSC methods, the nanostructure of PTT/SWCNTs nanocomposites and neat PTT was investigated in real time in the process of crystallization from the melt. The correlation function approach was used to analyze SAXS data. Changes in long period values, thickness of crystalline lamellae, thickness of amorphous layers, degree of crystallinity during cooling from the melt were discussed.
机译:在这项工作中,研究了基于聚对苯二甲酸丙二醇酯(PTT)和单壁碳纳米管(SWCNT)以及纯PTT的纳米复合材料的非等温结晶行为,以确定SWCNT对其结晶行为的影响。具有0.3和0.5重量%的纳米复合材料。研究了%的SWCNT。利用SAXS和DSC方法,从熔体中结晶过程中,实时研究了PTT / SWCNTs纳米复合材料和纯PTT的纳米结构。相关函数法用于分析SAXS数据。讨论了长期值的变化,晶体薄片的厚度,非晶层的厚度,从熔体冷却期间的结晶度。

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