An Electron-Microscopical Examination of Rayon
- 1 June 1948
- journal article
- research article
- Published by SAGE Publications in Textile Research Journal
- Vol. 18 (6), 366-371
- https://doi.org/10.1177/004051754801800605
Abstract
By metallic shadow-casting of specimens for electron-microscopical examination, fibrils a few hundred Angstroms in diameter were demonstrated in cuprammonium and in viscose rayons. Fibrillation was more distinct in the rayons having a high degree of orientation. The fine fibrils in the fibers of both these regenerated celluloses were similar to those previously observed in native cellulose fibers. A comparison of surface replicas of the fibers revealed distinct differences. Whereas the cuprammonium rayon fibers were relatively smooth except for occasional markings which gave them a scaly appearance, the viscose rayon fibers were rougher, and showed an irregular netlike pattern.Keywords
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