METHOD OF CONVEYING CELLULOSE FLUID SOLUTION AND METHOD FOR MANUFACTURE OF SHAPED PRODUCTS FROM CELLULOSE Russian patent published in 1999 - IPC

FIELD: production of articles from cellulose. SUBSTANCE: method involves conveying fluid solution of cellulose in aqueous N-oxy-N-methyl morpholine via pipeline having outer diameter of 50-300 mm at flow rate of cellulose from 0.1 to 10 m/min; regulating temperature of solution in central portion of pipeline, expressed in grades of centigrade scale, at the level of 1,000/(X+0.19xvD), and/or temperature of layer of solution adjoining inner wall of pipeline at the level of 100/(Y+0.23xvD), where D is inner diameter of pipeline, mm; X is value equal to or exceeding 5.0; Y is value equal to or exceeding 5.4. EFFECT: simplified method and increased efficiency. 17 cl, 1 tbl