The phases of polymers as determined by NMR

被引：1
作者：
Miller, JB
机构：
[1] Chemistry Division,Naval Research Laboratory
来源：
JOURNAL OF THERMAL ANALYSIS | 1997年 / 49卷 / 01期
关键词：
dynamics; morphology; semicrystalline polymers;
D O I：
10.1007/BF01987479
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Nuclear magnetic resonance (NMR) spectroscopy has been used to study the morphology and dynamics in semicrystalline polymers. Dynamics may be observed through NMR relaxation rates that are sensitive to motions in the 1-10(8) Hz range, or through modulation of anisotropic magnetic interactions, such as the chemical shift and dipole-dipole interactions. Morphological structure may be inferred through NMR measurements of polymer dynamics or investigated directly through studies of the magnetic interactions. Here, we discuss the study of morphological structure in semicrystalline polymers using NMR, and review results on poly(ethylene terephthalate) that address the question of the number of phases in this semicrystalline polymer.
引用
收藏
页码：521 / 524
页数：4
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