Dyed Textile Products
a textile and dyeing technology, applied in the dyeing process, textiles and paper industry, can solve the problems of shortening the life of the coloring substance, and achieve the effect of reducing the potency of the effect of herbs, and greatly reducing the loss of herbal extracts
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[0020]The dyed textile article according to the invention can be any and all the raw fibers, yarns woven fabrics, knitted fabrics, nonwoven fabrics etc. The raw materials for such textile articles are not limited to but include cotton, linen, wool, silk etc. However, the invention lays emphasis on the cotton yarn which can be dyed, blended with the and also stuffed with the herbs.
[0021]In accordance with the present invention, raw fibre, the yarn or the article to be dyed is bleached, pretreated and then contacted with a pre-treating bath. Bleaching is done with natural components like lemon water, reetha or vinegar in the ratio of 1 / 20 (bleaching agent / weight of cloth).
[0022]The bath ratio for pretreatment is about 10 to 100 times (particularly about 20 to 60 times) based on the weight of the textile article. The bath temperature is about 50° to 95° C. Preferably between 55° C. to 70° C., and the treating time is about 2 hrs. The concentration of tannic acid is usually about 5% by ...
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