| 摘要 |
PURPOSE: An ink for nano-silver antibacterial print and its preparation method are provided, to improve the antibacterial effect of an ink used in agricultural or marine products for enhancing the storage period and the freshness. CONSTITUTION: The ink is obtained by mixing and dispersing a nano-silver powder having a particle size of 20-200 nm, a vehicle, a solvent and an auxiliary. Preferably the ink comprises 25 wt% of silver powder; 30 wt% of a rosin modified phenol resin; 10 wt% of a linseed oil; 30 wt% of a hydrocarbon-based solvent; and 5 wt% of a solvent compound dryer. Also the ink comprises 25 wt% of silver powder; 30 wt% of polyurethane; 10 wt% of a linseed oil; 30 wt% of an alcohol; and 5 wt% of a solvent compound dryer. |
