| 摘要 |
FIELD: chemistry.SUBSTANCE: invention relates to chemical modification of cellulose fibre. Method of obtaining craft-fibre includes: bleaching craft-cellulose with application of multi-stage process of bleaching and oxidation of craft-cellulose in the process of realisation of one or more stages of multi-stage bleaching process with application of peroxide and catalyst in acidic medium. Multi-stage bleaching process includes, at least, one stage of bleaching, following oxidation stage, where said, at least, one stage of bleaching, following oxidation stage, is not alkaline stage of bleaching.EFFECT: obtaining of craft-cellulose without wide degradation and improvement of chemical properties are provided.22 cl, 2 dwg, 28 tbl |
