Production method capable of fully improving tussah silk wool blended yarns
A technology of blended yarn and production method, which is applied in the field of textile manufacturing, can solve the problems of high dust and impurities, affecting the increase of spun yarn breakage, the increase of yarn defects, the improvement of quality, and the difficulty of production, so as to reduce the double twist end breakage rate. , the effect of improving production efficiency and economic benefits
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[0016] Raw material composition: 50% wool, about 90mm in length, 50% tussah silk, about 105mm in length, about 4% in 30mm short wool; yarn count: 65Nm / 2, dyeing, re-combing, and spinning with wool worsted spinning equipment .
[0017] 1. Wool strips: dyeing-rewashing. When dyeing wool, low-temperature rapid dyeing method is used for dyeing (patent number ZL201010286780.2).
[0018] 2. Tussah silk strips: degumming-dyeing-post-treatment-rewashing-liquid ammonia treatment, tussah silk is wrapped with cloth to remove sericin separately, so that the sericin content of tussah silk is reduced from about 4% to less than 2%; After tussah silk is dyed, it does not go out of the dyeing vat, and is treated with additives according to the requirements of the rewashing process, so that part of the rewashing process is completed in the dyeing vat. Therefore, no water is added to the 1st, 2nd and 3rd tanks of tussah silk rewashing, and the last tank of the 4th tank Add water and additives t...
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