FIELD: textiles; paper.
SUBSTANCE: betulin is meant for being used as filler for paper or cardboard manufacturing. Betulin water suspension is obtained, and then it is added to cellulose pulp during paper or cardboard manufacturing. Water is removed from paper web. Paper or cardboard manufacturing is continued using a conventional method.
EFFECT: improving retention ability of filler, formation light, strength and lightness of paper, providing high volume and low porosity for increasing water impermeability, and preventing brightness reversion of cellulose pulp.
12 cl, 2 tbl, 3 ex, 4 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| APPLICATION OF ACID WATER FOR MANUFACTURING PAPER | 2011 |
|
RU2544826C2 |
| METHOD OF PRODUCTION OF STRUCTURED MATERIALS WITH USE OF NANO-FIBRILLOUS CELLULOSE GELS | 2011 |
|
RU2570472C2 |
| POLYSACCHARIDE TREATMENT OF INORGANIC PAPER FILLER | 1994 |
|
RU2146316C1 |
| AQUEOUS COMPOSITIONS AND THEIR APPLICATION IN PAPER AND CARTON MAKING | 2004 |
|
RU2350561C2 |
| COMPOSITION OF FILLER FOR PAPER | 2010 |
|
RU2505635C2 |
| METHOD FOR PRODUCTION OF PAPER AND CARDBOARD | 2012 |
|
RU2601465C2 |
| ADJUSTABLE PRELIMINARY FLOCCULATION OF FILLER WITH USE OF DOUBLE POLYMER SYSTEM | 2008 |
|
RU2471033C2 |
| SUSPENSIONS OF LATEX-TREATED FILLER FOR USE IN PAPER MAKING | 2008 |
|
RU2415986C1 |
| SWELLED STARCH-LATEX COMPOSITIONS USED IN PAPERMAKING | 2003 |
|
RU2311507C2 |
| TECHNIQUE OF FIBROUS FABRIC PRODUCTION | 2006 |
|
RU2393285C2 |
