| 摘要 |
PURPOSE: A preparation method of grey yarn containing a liquid from a black oak is provided, to manufacture a fiber having excellent functions such as adsorption, deodorization, and generation of anion. CONSTITUTION: The preparation method is characterized by comprising the following steps: (i) chilling and condensing smoke of burning a black oak; (ii) purifying the liquid from a black oak; (iii) dipping and adsorbing by mixing the liquid with functional minerals; and (iv) normally mixing and melting and spinning so as to mix functional mineral powder 1-10 wt.% with chemical resin 90-99 wt.%.
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