| 摘要 |
FIELD: chemistry.SUBSTANCE: invention relates to biocidal composition, applied for paper impregnation. Composition contains propylene glycol, starch and colloidal silver with particle size 1-13 nm in concentration in colloid solution 20-100 ppm with the following component ratio, wt %: propylene glycol - 2-4; starch - 2-4; colloidal silver - 2-3; water - the remaining part.EFFECT: invention makes it possible to prepare ecologically harmless composition in a simple way.2 dwg, 3 tbl, 2 ex |
