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  5. A SOLID NMR STUDY OF POLYETHERESTER-UREAS

A SOLID NMR STUDY OF POLYETHERESTER-UREAS

来源 :高分子科学：英文版 | 被引量 : 0次 | 上传用户：hou189
【摘 要】
：
The morphology of some polyetherester-ureas were studied by <sup>13</sup>C CP/MAS and <sup>1</sup>H wide-line NMR spectroscopy. It was found that the HDI and MD
【作 者】
：
陈群 王源身 邬学文 余学海 
【机 构】
：
NMRLaboratory,AnalyticalCenter,EastChinaNormalUniversity,Shanghai200062,DepartmentofChemistry,Nanjin
【出 处】
：
高分子科学：英文版
【发表日期】
：
1992年4期
【关键词】
：
Polyetherester-urea MORPHOLOGY <sup>13</sup>C CP/MAS NMR SPECTROSCO 
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The morphology of some polyetherester-ureas were studied by <sup>13</sup>C CP/MAS and <sup>1</sup>H wide-line NMR spectroscopy. It was found that the HDI and MDI based polymers have well crystallized hard segments, whereas the TDI
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