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The Improvement of Luster of Cotton : Part XI: Dyes and Luster
- Fourt, Lyman, Elliott, H.J., Streicher, Pauline
- Textile research journal 1955 v.25 no.4 pp. 326-329
- absorption, cotton, crystal structure, dyes, fabrics, mordants, textile fibers
- Luster tends to increase with depth of shade or increasing absorption of light, since this has greater effect on scattering from depth than on front surface reflection. Dyes which form particles on the surface or show more tendency to crock, such as the lake- forming dyes which are attached to cotton by mordants, show less increase in luster. Vat dyes which increase in crystallinity on soaping show a decrease in luster after soaping (even though the general appearance and quality is improved), indicating increased scattering by larger particles.