| abstract |
The invention discloses a kind of techniques using blueberry juice printing and dyeing Animal Skin, include the following steps：Prepared by blueberry dyestuff, dyestuff is prepared, Animal Skin processing, dyes, final finishing.The method that the dyeing and printing process of the present invention uses ethanol sulfuric acid ammonium aqueous two-phase solution extraction and separation, keeps its bioactivity higher, obtains the pigment that color and luster is more beautiful, stablizes；In addition, the dyeing and printing process promoted adhesive force of the vegetable colour on leather, so that leather after printing and dyeing not fugitive color, fade. |