Process for the preparation of a shapeable solution of cellulose in the presence of a tertiary amine oxide and an additive

摘要

The invention relates to solutions of cellulose destined to be extruded or spun, containing a tertiary amine oxide as solvent for the cellulose and in particular the N-oxide of N-methylmorpholine. It consists of using ammonium chloride or calcium chloride as additive in the preparation of these solutions.