Abstract
Radiation induced graft polymerization of the cellulose of cotton fibers with various other polymers produces textile fibers with new properties. Chemical analysis and physical tests are used to determine changes in such properties as breaking strength, wrinkle recovery angle, and resistance to abrasion. While such tests give reliable evaluations of the overall nature of any improvement, they give little information on what changes actually occurred in the fiber itself. One means of obtaining this information is through microscopical observations.Penetration and reaction of the polymer within yarns and fibers can be tested by cutting Hardy cross sections of the fibers after they have been dyed with a stain specific for the reacted polymer. More detailed information can be obtained from ultrathin sections, using the transmission electron microscope. Structural changes often occur which are obvious from comparison of cross sections of untreated and treated fibers. Use of the scanning electron microscope permits evaluation of changes in surface features of fabrics and individual fibers.
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Schedule a callMore From: Proceedings, annual meeting, Electron Microscopy Society of America
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