FIELD: paper industry.
SUBSTANCE: invention relates to pulp and paper industry. Method comprises introducing fillers, anionic polysaccharides and cationic agents into a mixing zone to form a filler composition. Obtained filler composition is introduced by means of a pump into an aqueous suspension comprising cellulosic fibres and dehydrated.
EFFECT: invention improves control of thickness and strength properties of paper and cardboard.
25 cl, 1 tbl, 1 ex
| Title | Year | Author | Number |
|---|---|---|---|
| CELLULOSE PRODUCT, METHOD OF ITS PRODUCTION AND APPLICATION | 2007 |
|
RU2422573C2 |
| METHOD FOR PAPER PRODUCTION | 2003 |
|
RU2281994C2 |
| METHOD FOR PAPER SIZING AND SIZING COMPOSITION | 2002 |
|
RU2263172C2 |
| SILICON DIOXIDE-BASE SOLS | 2000 |
|
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| SILICA-BASED SOLS | 2000 |
|
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| AQUEOUS SILICON-CONTAINING COMPOSITION AND PAPER MAKING PROCESS | 2002 |
|
RU2274692C2 |
| SILICON DIOXIDE-BASED SOLS | 2009 |
|
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| METHOD OF PAPER SMOOTHING | 2001 |
|
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| AQUEOUS DISPERSIONS OF HYDROPHOBIC MATERIAL | 1998 |
|
RU2168579C2 |
| AQUEOUS SILICA-CONTAINING COMPOSITION AND PAPERMAKING PROCESS | 2002 |
|
RU2264492C2 |
