FIELD: production of cardboard for manufacture of packages for liquids.
SUBSTANCE: method involves treating fibrous mass designated for preparing of cardboard with percarbonic acid used in an amount of 0.5-5 kg per t of dry fibrous mass on conversion to 100%-concentration of percarbonic acid; thereafter or simultaneously with indicated treatment process, providing gluing-through by combining resin-based and neutral adhesives; forming cardboard.
EFFECT: reduced moisture-permeability and improved quality of gluing-through of cardboard.
11 cl, 3 tbl, 3 ex
| Title | Year | Author | Number |
|---|---|---|---|
| CARDBOARD FOR LIQUID PRODUCTS | 2001 |
|
RU2261948C2 |
| CARDBOARD FOR FLAT LAYERS OF CORRUGATED CARDBOARD AND METHOD FOR PRODUCTION THEREOF | 2021 |
|
RU2765450C1 |
| METHOD FOR PRODUCING OF CARDBOARD FOR MILK PRODUCTS PACKING | 0 |
|
SU1795994A3 |
| METHOD OF MANUFACTURING FLUIDS-PACKAGING COATED CARDBOARD | 1998 |
|
RU2190717C1 |
| COMPOSITION AND METHOD FOR TREATING FIBROUS MATERIAL | 2008 |
|
RU2439233C2 |
| METHOD OF APPLICATION OF WATER-RESISTANCE COATING ON CORRUGATED CARDBOARD | 2013 |
|
RU2551489C2 |
| FIBROUS MASS PROCESSING METHOD | 2017 |
|
RU2730144C2 |
| IMPROVED METHOD FOR PRODUCTION OF CELLULOSE, PAPER AND CARDBOARD | 2007 |
|
RU2424388C2 |
| METHOD FOR GLUEING FIBROUS MATERIALS IN MASS | 0 |
|
SU1714015A1 |
| COMPOUND FOR SIZING FIBROUS MATERIALS | 1992 |
|
RU2023101C1 |
