| abstract |
FIELD: chemistry. n SUBSTANCE: fibrous cellulose is obtained from cellulose-containing fibre. Flax fibre is processed with solution containing nitric acid, SAS, ammonium inorganic salt or potassium or sodium nitrate and washed in alkali solution. Oxidising processing is carried out in alkali-peroxide solution, which contains sodium carboxylmethylcellulose and non-ionogenic water-soluble cellulose ester. Product is washed with water and processed with water solution of acetic acid. n EFFECT: obtaining possibility to reduce process duration, increase efficiency, reduce explosion and ecological danger and use domestic annually renewed plant raw material. n 1 cl, 2 tbl |