Patent ID: 11873580
Assignee: LENZING AKTIENGESELLSCHAFT
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC D | IPC D

Claim 0:
1. A process for the removal of liquid from lyocell type cellulose filament bundles or yarns from a lyocell spinning solution of cellulose in an aqueous tertiary amine oxide, wherein the lyocell type cellulose filament bundles or yarns are guided around a roller under conditions so that equation (1) is fulfilled, with the proviso that a_sp is at least 296 m/s2:

a_sp=r×ω2×titer/40  (1)

with r being the radius of the roller (m), ω being the angular speed (1/ s), and titer (dtex) being the bundle/yarn titer, with the proviso that same is at least 20.