| 摘要 |
A method for preparing lacquer liquor, its preparation apparatus, and a printed product using the lacquer liquor prepared by the method are provided to obtain the allergy inducing component-free lacquer liquor in liquid state. A method for preparing lacquer liquor comprises the steps of heating (distilling) 1 kg of a lacquer tree cut by a size of 5-50 mm with 6-10 L of water at 150-300 deg.C; and supplying the distilled solution to a filter(30) to remove the impurities, wherein the distillation is carried out under the high pressure oxygen of 1.5-2.5 atm., 3-5 L of the vapor generated at the distillation process is extracted through a cooler(15), and the solution (water) remaining in the distillation tank(10) is sprayed together with oxygen of 4.5-5 atm by a high pressure to a purification tank before the filtering process. |
