FIELD: chemical technology, in particular cellulose esters useful in production of plastics, films, lacquers, bioactive materials, etc.
SUBSTANCE: claimed method includes wood treatment with acylation mixture containing acetic acid and thionyl chloride, isolation of target product with polar solvent and drying. Acylation mixture is prepared by dissolution of aminoacetic acid in amount of 0.02-0.04 per 1 g of wood in trifluoroacetic acid followed by thionyl chloride addition.
EFFECT: enhanced assortment of cellulose esters.
6 ex, 1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF PRODUCING CELLULOSE ESTER | 2007 |
|
RU2374263C2 |
| CELLULOSE ESTER PRODUCTION PROCESS | 2000 |
|
RU2186784C2 |
| MIXED CELLULOSE ESTERS PRODUCTION PROCESS | 2000 |
|
RU2186785C2 |
| METHOD FOR OBTAINING MIXED CELLULOSE ESTERS | 0 |
|
SU1650649A1 |
| METHOD OF OBTAINING CELLULOSE ESTERS | 0 |
|
SU1525168A1 |
| METHOD FOR PREPARING MIXED LIGNOCARBOHYDRATE ESTER MATERIALS | 2006 |
|
RU2309960C1 |
| 0 |
|
SU446506A1 | |
| PUMPING JET UNIT | 1999 |
|
RU2174984C2 |
| METHOD FOR PRODUCTION OF CELLULOSE ACETOVALERATES | 1997 |
|
RU2146263C1 |
| PROCESS FOR PRODUCING CELLULOSE ESTERS | 0 |
|
SU979362A1 |
