Lenzing Aktiengesellschaft

Eduard M&uuml;lleder

Christoph Schrempf

Wilhelm Feilmair

Hartmut R&uuml;f

Peter Bartsch

Berndt K&ouml;ll

The invention relates to a method of producing lyocell-type cellulose fibers by processing a spinnable solution of cellulose in an aqueous tertiary amine oxide according to the dry/wet-spinning process, which method is characterized in that a solution having a content of between 0.05% and 0.70% by mass, based on the mass of the solution, of cellulose with a molecular weight of at least 5&times;10,is used for spinning. The method of the invention allows the use of a spinnerette having more than 10,000 spinning holes for the spinning operation, which holes are arranged in such a manner that neighboring spinning holes are spaced maximally 3 mm apart and that the linear density of the spinning holes it at least 20.

Method of producing cellulose fibers

The invention relates to a process for the treatment of cellulosic moulded bodies which are formed from a solution of cellulose in an aqueous tertiary amine oxide, particularly fibers, whereby the moulded bodies are brought into contact with an aqueous solution of a textile auxiliary agent which bears two reactive groups in the alkaline milieu. The invention is characterised in that as the textile auxiliary agent, a compound of formula

Growing community of inventors

Linz, Austria

Eduard Mülleder

Growing community of inventors

Linz, Austria

Eduard M&uuml;lleder

Eduard Mülleder