Tags: Fashion, Topical Concept.
Merriam-Webster defines Cuprammonium rayon as a rayon made from cellulose dissolved in cuprammonium solutionIt is produced by making cellulose a soluble compound by combining it with copper and ammonia. The solution of this material in caustic soda is passed through the spinneret and the cellulose is regenerated in the hardening baths that remove the copper and ammonia and neutralize the caustic soda.