PHASE MORPHOLOGY OF POLYMER BLENDS - SCANNING ELECTRON-MICROSCOPE OBSERVATION BY BACKSCATTERING FROM A MICROTOMED AND STAINED SURFACE

被引:25
作者
GOIZUETA, G [1 ]
CHIBA, T [1 ]
INOUE, T [1 ]
机构
[1] TOKYO INST TECHNOL,DEPT ORGAN & POLYMER MAT,MEGURO KU,TOKYO 152,JAPAN
关键词
SCANNING ELECTRON MICROSCOPY; POLYMER BLENDS; BACKSCATTERING; STAINING; POLYPROPYLENE;
D O I
10.1016/0032-3861(92)90357-3
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
A new electron microscopy technique was used to observe two-phase morphology in polymer blends. It consisted of preparing a flat specimen surface by microtoming, staining the unsaturated domains with OsO4, and scanning electron microscope observation of the composition images using backscattered electrons. The new technique was applied to the melt blends of polypropylene (PP)/polybutadiene and PP/ethylene-propylene-diene rubber systems. Compared with conventional scanning electron microscope observation using secondary electron imaging for fractured surfaces, the new technique yielded a much clearer phase contrast.
引用
收藏
页码:886 / 886
页数:1
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