I have tried the application of persimmon paint in dyeing several times. There are also processes that need to be improved.
What needs to be clarified is the role of persimmon paint in the ratio of other plant dyes, color, color fastness, stability, etc.
This time, rolling mill dyeing continues to be used.
Red, yellow and coffee colors are dyed first, and then compared with 50% persimmon paint; the second method is to match the red, yellow, and coffee dyes with persimmon paint by 50% each, directly on the rolling mill dyeing, and then steam, washing.
The result is: the yellow becomes significantly darker, the red becomes red coffee, which is a change in pH, the original acidic red is discolored after being affected by the alkaline nature of persimmon paint; the coffee color becomes black coffee.
From this point of view, persimmon paint and other plant dyes are completely compatible with dyeing. Just pay attention to the influence of acid and alkali for specific colors, and adjust the pH of persimmon paint according to the color according to the needs to achieve the ideal color and color fastness.
Dyes: sumac, pentagram, pomegranate peel, persimmon lacquer
Dyeing process: color-block rolling mill dyeing
Dyeing: Jiangnan Branch of China Textile Institute
Technical guidance: Huang Ronghua
January 2021
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