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Microscopical Procedures for Investigating Natural Textile Fibers

Published online by Cambridge University Press:  02 July 2020

E. K. Boylston*
Affiliation:
Southern Regional Research Center, ARS, USDA, New Orleans, LA
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Extract

Microscopical procedures for the evaluation of cotton textiles are important to the textile industry in evaluating mixed fiber blends, dyes and chemical finishes on fabrics. A new procedure for embedding cellulosic textiles has been developed for FT-IR microscopy whereby fibers are embedded in polystyrene. This polymer does not absorb in the same regions of the infrared spectrum as cellulose or traditional acrylate and epoxy resins that contain chemical groups in common with cellulose. Additionally, use of cross-sections mounted on a KBr disk (Fig. 1) has the advantage of better resolution (Fig. 2B) than grinding and pressing fibers in a KBr disk (Fig. 2A).

A new process for the evaluation of yarns has been developed. Approximately 2000 fibers before spinning, 50 yarn segments after spinning, or yarns removed from fabric after processing, can be encased in a tube, embedded in methacrylate plastic, quickly UV polymerized, and sectioned.

Type
Microscopic Analysis of Natural Fibers
Copyright
Copyright © Microscopy Society of America

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References

1.Boylston, E. K., et al., Textile Research Journal, 45(1975)790.CrossRefGoogle Scholar
2.Boylston, E. K. and Muller, L. L., Journal of Applied Polymer Science, 19(1975)1079.CrossRefGoogle Scholar
3.Boylston, E. K. et al., Biotechnic and Histochemistry, (1991)122.CrossRefGoogle Scholar