N-15 SOLID-STATE NMR CHARACTERIZATION OF ARAMID-CONTAINING NYLON-6 BY INSITU POLYMERIZATION WITH BENZOYL CAPROLACTAM DERIVATIVES

被引:23
作者
POWELL, DG [1 ]
SIKES, AM [1 ]
MATHIAS, LJ [1 ]
机构
[1] UNIV SO MISSISSIPPI,DEPT POLYMER SCI,HATTIESBURG,MS 39406
关键词
CRYSTALS; -; Structure; NITROGEN; PLASTICS; REINFORCED; Fibers; SPECTROSCOPY; Applications;
D O I
10.1021/ma00183a054
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Natural abundance **1**5N NMR of solids has been demonstrated as a useful characterization tool for polyamides. In addition to copolymer composition differences, glassy amorphous conformations and crystal forms can be examined in the solid phase which are not observed in solution. **1**5N CP-MAS NMR provides a new method for determining the crystal structures of nylon-6 samples. The greater sensitivity of nitrogen to its environment in solid-state NMR compared to carbon opens up a broad area for study of crystalline polyamides.
引用
收藏
页码:1533 / 1536
页数:4
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