染色加工製程參數之最佳化

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Due to human requests for the coloration of clothing materials, it leads the dyeing processing technology to be getting . promoted day after day. In this paper, we select pure cotton and cotton mixed Lycra as the dyed fabrics, dyestuffs as the reactive dye, and the dyeing method is one-bath-two-section impregnation as well as the quality characteristic are 6E (KJS values) of the fabrics. Our purpose is to find the optimum combination of processing parameters to achieve the customers' demands. Taguchi experimental design method has been proposed in the research. In view of the dyeing results, the parameters including machine operating temperature, dyeing time, calefaction speed, dye liquor concentration, auxiliary type and concentration, pH. value, and bath-ratio value, are regarded as the control factors. The LI8 (i x 37 ) orthogonal array are employed to determine the optimum conditions, significant factors, and percent contribution together with the ANOVA approach. In the experiment, KJS values of fabrics are chosen to be the smaller-the-better target characteristic, and the confirmation experiments are perfonned and verified the reproducibility of the experimentation. In conclusion, the K/S values of dyed fabrics in optimum condition are much closer to the target values.

Keywords: Dyeing, M, Taguchi Experimental Design Method, ANOVAApproach, Confirmation Experiments

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EP·O()) L Imada K.; Harada, N. et al., "Recent developments'

optimizing reactive dyeing of cotton", Textile Chemi~~

and Colorist, v 24, n 9, Sep, p 83-87 (1992).

2. Knudsen,H. H.;. Wenzel, H.. "Environmentally friendl.

method III reactIve dyemg of cotton", Water Science and Technology, v 33_ n 6, p 17-27 (1996).

3. Guo, GY.; Chen, Y.L, "Improving the dyeabilily of eoIto with reactive dyes", American Dyestuff Reporter, v 83, ~

9, Sept, 4p (J 994).

4. Huang, KS.; Yen, M.S., "Pregrafting influences On th dyeing properties of cotton fabrics", American Dycslu;

Reporter, v 86, n 4, Apr, 4p (1997).

5. Keith, B., "Taguchi design of experiments for problem solving", Annual Forum Proceedings - American Helicopter Society, v 1, May, p 755-760 (1991).

6. Sarin, S., "Teaching Taguchi's approach to parametc-r design", Quality Progress, v 30, n 5, May, p 102-107 (1997).

7. Ryan, T. P. "Taguchi's Approach to Experimental Design : Some Con ems ", Quality Progress, Mar, p34- 36 (1988).

8. Glen, S. P. Taugchi methods: A Hands-on Approach to Quality Engmeer, Addison-Wesley, pl13-337 (1993).

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