Deep color dyeing and finishing technique of poly lactic acid (PLA) fiber and gossamer fiber blending fabrics
A technology of Tencel fibers and blended fabrics, applied in the field of dyeing technology, can solve the problems of lack, damage of PLA fibers, poor fastness, etc.
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[0009] Example 1:
[0010] The dark color dyeing and finishing technology of PLA fiber and Tencel fiber blended fabric described in this embodiment includes the following steps: seam of grey cloth, pre-sizing, pre-treatment, dyeing, fixing, dehydration, and finishing process. The type process is 135°C and the time is 120 seconds; the pre-treatment process is to put the pre-shaped fabric into an overflow dyeing machine for desizing, remove the fabric surface hairiness, spinning and weaving oil, the pre-treatment liquid contains 2.5g / L sodium carbonate, 2g / L scouring agent, 6g / L 27.5% hydrogen peroxide, solvent is water, pre-treatment temperature is 70℃, time is 40 minutes; the dyeing process is first to PLA fiber Use medium-temperature disperse dye SE series, and add carrier N-5 for dyeing. The dyeing temperature is 110℃, and the pH value of the dyeing bath is 6. After dyeing, the PLA fiber is reduced and cleaned, and then the Tencel fiber is dyed in the reducing cleaning solution...
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