FIELD: textiles, paper.
SUBSTANCE: for restoration paper sheets they are prepared, pulp with a binder is prepared, pouring of the pulp with the binder on the missing parts of the sheet, and drying the sheet. At that, as a binder, bacterial cellulose is used cultured by strain Acetobacter xylinum B-880 of All-Russian collection of microorganisms, in the amount of 2-6% by weight of oven-dry softwood sulfate bleached pulp. After pouring the sheets are dried at a temperature of 80°C. Seam strength remains at high level after 12 days of artificial thermo-humid at a temperature of 80°C and humidity 65%.
EFFECT: method enables to improve the seam strength between the compensative part and the restored document.
3 cl, 2 tbl, 8 ex
| Title | Year | Author | Number |
|---|---|---|---|
| SHEET CELLULOSE MATERIAL FOR RESTORATION AND CONSERVATION OF DOCUMENTS | 2018 |
|
RU2673848C1 |
| METHOD FOR PRODUCTION PAPER WHICH IS USED AS A BASE FOR PROTECTIVE FILM OF FINISHING MATERIALS | 1994 |
|
RU2069712C1 |
| METHOD OF BIORESISTANT PAPER MAKING | 1995 |
|
RU2079594C1 |
| METHOD FOR PRODUCING AERODYNAMIC PAPER | 2020 |
|
RU2755301C1 |
| FIBROUS CARDBOARD COMPOSITION FOR PRODUCING WATER-DISPERSIBLE CARDBOARD SHEET, WATER-DISPERSIBLE CARDBOARD SHEET BASED THEREON AND WATER-DISPERSIBLE TOILET PAPER ROLL SLEEVE | 2023 |
|
RU2820893C1 |
| METHOD OF RESTORING THE MISSING PARTS OF PAPER SHEETS IN DOCUMENT RESTORATION | 0 |
|
SU1428773A1 |
| FIBROUS MASS FOR MAKING PRINTING PAPER | 0 |
|
SU1008324A1 |
| 0 |
|
SU559003A1 | |
| FIBRE COMPOSITION FOR MANUFACTURING PAPER AND PAPER MANUFACTURED USING THIS COMPOSITION | 2023 |
|
RU2809598C1 |
| METHOD OF PREPARING PULP FOR PRINTING PAPER PRODUCTION | 0 |
|
SU1028756A1 |
