Method for improving color depth and light fastness of natural dye-dyed fabric
A technology of natural dyes and color depth, which is applied in dyeing, textiles, papermaking, plant fibers, etc. It can solve the problems of poor bonding fastness and no affinity of fibers, so as to improve the coloring depth, improve the bonding fastness, and overcome the sun exposure The effect of fastness
Active Publication Date: 2014-10-08
CHANGZHOU UNIV
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the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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The invention relates to a method for improving color depth and light fastness of a natural dye-dyed fabric. The method utilizes an association effect between polyvinylpyrrolidone and natural dye molecules to improve the color depth of the natural dye-dyed fabric; a polyhydric alcohol method is adopted to generate nano ZnO on the surface of the fabric in situ; the excellent anti-ultraviolet performance of nano ZnO is used for improving the light fastness of the natural dye-dyed fabric. With the adoption of the method, the color depth and the light fastness of the natural dye-dyed fabric are obviously improved and the washing-resisting performance of the natural dye-dyed fabric is good.
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