CELLULOSE EXTRUSION AND APPARATUS THEREFOR

摘要

Apparatus for the production of extruded blown cellulose film from a solution of cellulose, water and an amine-oxide, which includes:-extrusion apparatus for continuously extruding a cellulose solution to produce a cellulose film;-solidifying apparatus for solidifying the extruded cellulose film;-drawing apparatus positioned downstream of the extrusion apparatus for continuously drawing the extruded cellulose film from the extrusion apparatus; and a tubular member for containing precipitation apparatus and for receiving an extruded blown film wherein the tubular member is situated within a precipitation bath. The invention also includes a method of extruding blown film.