FIELD: paper industry.
SUBSTANCE: invention relates to the production of paper and cardboard. A water-soluble polymer product containing amphoteric polyacrylamide, which has neutral or cationic total charge at pH of 7, middle-weight molecular weight of 2,500,000-18,000,000 g/mole and total ionic content of 4-28 mol.%, is used to regulate the formation of sediments caused by hydrophobic substances in the production of paper or cardboard, when fiber canvas is formed of an aqueous fiber suspension.
EFFECT: reduction in the formation of sediments caused by hydrophobic substances in the production of paper and cardboard and improvement in the fixation of hydrophobic substances on fibers are provided.
18 cl, 2 dwg, 7 tbl, 2 ex
| Title |
Year |
Author |
Number |
| METHOD AND SYSTEM FOR PRODUCTION OF PAPER, CARDBOARD OR SIMILAR MATERIALS |
2017 |
- Hietaniemi, Matti
- Karppi, Asko
|
RU2715528C1 |
| POLYMER PRODUCT IN FORM OF PARTICLES AND USE THEREOF |
2016 |
- Karppi, Asko
- Hietaniemi, Matti
- Lepo, Anneli
- Strengell, Kimmo
|
RU2700998C2 |
| METHOD FOR MANUFACTURE OF PAPER AND CARDBOARD |
2001 |
- Chehn' Gordon Chehn I.
- Richardson Gehri Piter
|
RU2265097C2 |
| METHOD OF CONTROLLING RETENTION AND AN INTERMEDIATE PRODUCT USED IN THE METHOD |
2012 |
- Kheiskanen Isto
- Lajtinen Risto
- Ryasyanen Yari
|
RU2597619C2 |
| CELLULOSE PRODUCT, METHOD OF ITS PRODUCTION AND APPLICATION |
2007 |
|
RU2422573C2 |
| APPLICATION OF WATER-SOLUBLE STITCHED CATION-ACTIVE POLYMERS FOR SUPPRESSION OF RESIN AND STICKY MATERIALS DEPOSITS CREATION IN MANUFACTURE OF PAPER |
2004 |
- Son Chzhitsjan
- Ford Filip A.
|
RU2347865C2 |
| CELLULASE COMPOSITION CONTAINING CELLULASE AND POLYMERS FOR PAPER PRODUCTION, INTENDED FOR USE IN INCREASING PAPER STRENGTH IN DRY STATE |
2013 |
- Gu Tsumin
- Satman Frank Dzh.
|
RU2634239C2 |
| METHOD OF PAPER OR PAPERBOARD PRODUCTION |
2014 |
|
RU2667450C2 |
| METHOD FOR MANUFACTURE OF PAPER AND CARDBOARD |
2000 |
|
RU2246566C2 |
| COMPOSITION CONTAINING CROSS-LINKED ANIONIC ORGANIC POLYMER MICROPARTICLES, ITS PRODUCTION AND USE IN METHODS FOR MANUFACTURING PAPER AND CARDBOARD |
2018 |
- Jehn-Rendu Christian
- Thomas Anja
- Corberan Roc Rosa
|
RU2775389C2 |
