scholarly journals Thermal Decomposition of Ammonium Titanyl Sulfate and Electron Microscopic Observation of Titanium Dioxide.

1956 ◽  
Vol 59 (5) ◽  
pp. 498-500
Author(s):  
Sadao Taki
Author(s):  
Li Li-Sheng ◽  
L.F. Allard ◽  
W.C. Bigelow

The aromatic polyamides form a class of fibers having mechanical properties which are much better than those of aliphatic polyamides. Currently, the accepted morphology of these fibers as proposed by M.G. Dobb, et al. is a radial arrangement of pleated sheets, with the plane of the pleats parallel to the axis of the fiber. We have recently obtained evidence which supports a different morphology of this type of fiber, using ultramicrotomy and ion-thinning techniques to prepare specimens for transmission and scanning electron microscopy.


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