A dye-staining and sectioning technique has been developed which permits, for the first time, a direct, visual determination of the location of melamine resin in treated wool fibers. The resin appears to be distributed uniformly within the fiber structure. Techniques are described and the results are illustrated by photomicrographs (one in color).
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References
1.
Calco Technical Bulletin No. 770, "Microscopical Techniques for the Study of Dyeing," Calco Chemical Div., American Cyanamid Co., 1945.
2.
Dudley, J.R., and Lynn, J.E., Soc. Dyers and Colourists, "Symposium on Fibrous Proteins,'' 1946; pp. 215-20.
3.
Hardy, J.I., "A Practical Laboratory Method of Making Thin Cross Sections of Fibers," U. S. Dept. of Agriculture Circular No. 378, 1935.
