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Multiple melting behavior of nylon 1010 has been investigated by using DSC instrument. Effects of partial scanning, partial scanning and annealing, heating rate, cooling rate and stepwise annealing on the melting curve were studied. Experimental results indicate that the sample undergoes a process of continuous melting and recrystallization during DSC scanning. Nylon 1010 contains a distribution of crystallites of different degrees of perfection which is strongly dependent on its previous thermal history. From the structural reorganization point of view, the origin of double and multiple peaks of the melting curve is explained. 相似文献
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尼龙1010的多重熔化 总被引:4,自引:1,他引:4
本文用差示扫描量热法(DSC)研究了尼龙1010的多重熔化行为。研究了部分扫描,部分扫描再退火,加热速率,冷却速率,依次降温退火对熔化曲线的影响。实验结果表明,在DSC扫描过程中试样经历了连续熔化与再结晶的过程。尼龙1010含有强烈地依赖于其热历史的晶体完全程度的分布,从结构再组合观点解释了熔化曲线上双重和多重熔化峰的原因。 相似文献
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