| 摘要 |
PURPOSE: A dyeing method of fiber using gallnut extracts is provided to dye fabric after making salt brine by adjusting pH of a buffer solution after making gallnut coloring powder by extracting, filtering, and drying natural gallnut. CONSTITUTION: A dyeing method of fiber using gallnut extracts includes the following steps: making gallnut coloring powder by filtering, concentrating, and drying gallnut for 20 ~ 30 minutes after adding sodium carbonate in distilled water of 60~70°C; adjusting pH of a buffer solution to 6 ~ 7; and dying the fabric after making the salt brine in 60~70°C.
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