Preparation method of vegetable dye
A plant dye and raw material technology, applied in the field of printing and dyeing, can solve the problems of synthetic dyes containing carcinogenic substances, not being environmentally friendly, and harming the human body, and achieve the effect of not easy to fade, high color fastness, soft and natural color
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[0015] Example one
[0016] The preparation method of this vegetable dye uses the following weight raw materials:
[0017] 4 kg of glutinous rice grass; 6 kg of red vine;
[0018] The production steps are as follows:
[0019] A. Put glutinous rice grass into the container and add 95 kg of water to boil, boil until boiling and keep for 10 minutes, filter to obtain the filtrate, and set aside;
[0020] B. Crush the red vine to obtain red vine minced material;
[0021] C. Add the filtrate obtained in step A to the red vine minced material obtained in step B and stir evenly to obtain a mixture;
[0022] D. The mixture prepared in step C is boiled and kept for 5.5 hours to obtain the purple-red vegetable dye.
Example Embodiment
[0023] Example two
[0024] The preparation method of this vegetable dye uses the following weight raw materials:
[0025] 5 kg of glutinous rice grass; 6.8 kg of red vine;
[0026] The production steps are as follows:
[0027] A. Put glutinous rice grass into the container and add 105 kg of water to boil, boil until boiling and keep for 13 minutes, filter to obtain the filtrate, and set aside;
[0028] B. Crush the red vine to obtain red vine minced material;
[0029] C. Add the filtrate obtained in step A to the red vine minced material obtained in step B and stir evenly to obtain a mixture;
[0030] D. The mixture prepared in step C is boiled and kept for 6 hours to obtain the purple-red vegetable dye.
Example Embodiment
[0031] Example three
[0032] The preparation method of this vegetable dye uses the following weight raw materials:
[0033] 4.5 kg of glutinous rice grass; 7 kg of red vine;
[0034] The production steps are as follows:
[0035] A. Put glutinous rice grass into the container and add 100 kg of water to boil, boil until boiling and keep for 15 minutes, filter to obtain the filtrate, and set aside;
[0036] B. Crush the red vine to obtain red vine minced material;
[0037] C. Add the filtrate obtained in step A to the red vine minced material obtained in step B and stir evenly to obtain a mixture;
[0038] D. Boil the mixture prepared in step C to boiling and keep it for 5 hours to obtain the purple-red vegetable dye.
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