Cross-Bevan (viscose) Process

Name:
Cross-Bevan (viscose) Process
Detailed information:
Production of rayon by treatment of cellulose with alkali and carbon disulfide to yield cellulose xanthate, solution in dilute caustic, and extrusion of the viscous “Viscose” into a coagulating bath, a 7–10% sulfuric acid solution containing 1–5% zinc sulfate and an active surface agent.