FIELD: paper-and- pulp industry. SUBSTANCE: process is carried out in two stages on flow vibrational centrifugal mill using acceleration of grinding bodies 100-200 m/s2 for 1 to 2 min. First, original cellulose-containing raw material is treated with monocloroacetic acid salt and then, aqueous sodium hydroxide solution is added to preliminarily formed composite to ensure molar ratio cellulose/salt/alkali/water equal to 1:1.7:1.6:(0.85- 0.90). Process is terminated by ripening conducted at heating. EFFECT: simplified technology and carboxymethylcellulose is obtained in the form of free-flowing easy-to-dissolve powder. 6 ex
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF PRODUCING SODIUM-CARBOXYMETHYLCELLULOSE PRODUCT FROM VEGETABLE STOCK | 2004 |
|
RU2256667C1 |
| METHOD OF PRODUCING POWDERED GEL-FORMING PRODUCT FROM VEGETABLE RAW MATERIAL | 2019 |
|
RU2720192C1 |
| DISPERSED GEL-FORMING COMPOSITION FOR DEVELOPMENT OF OIL DEPOSITS BY WATERFLOODING | 2002 |
|
RU2211316C1 |
| PREPARATION COMPRISING WATER-SOLUBLE TRITERPENIC ACID SALTS AND METHOD FOR ITS PREPARING | 2003 |
|
RU2244426C1 |
| METHOD OF PRODUCING QUICK SOLUBLE TABLETTED FORM OF ACETYL-SALICYLIC ACID | 2000 |
|
RU2170582C1 |
| METHOD OF PRODUCING CELLULOSE FROM NON-WOOD PLANT MATERIAL WITH NATIVE CELLULOSE CONTENT OF NOT MORE THAN 50% AND METHOD OF PRODUCING CARBOXYMETHYL CELLULOSE THEREFROM | 2010 |
|
RU2448118C1 |
| METHOD OF PREPARING PREPARATIONS FROM VEGETABLE MEDICINAL RAW | 1999 |
|
RU2176919C2 |
| TIN- AND ANTIMONY-CONTAINING OXIDES' PRODUCTION PROCESS | 2002 |
|
RU2201397C1 |
| METHOD FOR OBTAINING A NON-GELLING POWDERED SODIUM CARBOXYMETHYL CELLULOSE PRODUCT FROM VEGETABLE RAW MATERIALS, THE OBTAINED PRODUCT AND ITS APPLICATION | 2022 |
|
RU2791792C1 |
| METAL SULFIDE PREPARATION METHOD | 2000 |
|
RU2189944C2 |
