| N-(1-萘基)琥珀酰亚胺玻璃态的晶化 |
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| 引用本文： | 王颖,李贺先,王国昌,钟启林,杨海龙,袁伟,何炳林. N-(1-萘基)琥珀酰亚胺玻璃态的晶化[J]. 物理化学学报, 2007, 23(8): 1257-1259. DOI: 10.3866/PKU.WHXB20070822 |
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| 作者姓名： | 王颖 李贺先 王国昌 钟启林 杨海龙 袁伟 何炳林 |
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| 作者单位： | Key Laboratory of Functional Polymer Materials, Ministry of Education, Institute of Polymer Chemistry, Nankai University, Tianjin 300071, P. R. China |
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| 基金项目： | 国家自然科学基金;天津市自然科学基金 |
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| 摘 要： | 采用X射线粉末衍射(XRD)和差示扫描量热分析(DSC)方法, 跟踪研究了N-(1-萘基)琥珀酰亚胺的液氮淬冷样品在室温(25 益)即在玻璃化转变温度以下的冷结晶行为. DSC和XRD的结果一致表明, 其冷结晶动力学曲线与熔融结晶完全不同, 呈现出“快-慢-快的三阶段增长趋势, 这一结果可以用低密度界面区成核和体积收缩效应给予解释.
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| 关 键 词： | N-(1-萘基)琥珀酰亚胺 冷结晶 玻璃态 结晶动力学 |
| 收稿时间： | 2007-02-13 |
| 修稿时间： | 2007-02-13 |
Crystallization of N-(1-naphthyl) Succinimide from Its Glass State |
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| WANG Ying,LI He-Xian,WANG Guo-Chang,ZHONG Qi-Lin,YANG Hai-Long,YUAN Wei,HE Bing-Lin. Crystallization of N-(1-naphthyl) Succinimide from Its Glass State[J]. Acta Physico-Chimica Sinica, 2007, 23(8): 1257-1259. DOI: 10.3866/PKU.WHXB20070822 |
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| Authors: | WANG Ying LI He-Xian WANG Guo-Chang ZHONG Qi-Lin YANG Hai-Long YUAN Wei HE Bing-Lin |
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| Affiliation: | Key Laboratory of Functional Polymer Materials, Ministry of Education, Institute of Polymer Chemistry, Nankai University, Tianjin 300071, P. R. China |
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| Abstract: | Cold crystallization process of N-(1-naphthyl) succinimide below glass transition temperature was monitored by differential scanning calorimetry (DSC) and X-ray diffraction (XRD). The results showed that the kinetic curve of cold crystallization was completely different from that of melt crystallization, exhibiting "fast-slow-fast" three increasing stages. This result could be explained in terms of low-density-interface nucleation and volume-contraction effect. |
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| Keywords: | N-(1-naphthyl) succinimide Cold crystallization Glassy state Crystallization kinetics |
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