Dyeing technology of ramie strips and manufacturing method of spinning

Abstract

The invention discloses a dyeing technology of ramie strips. The technology comprises the following steps: 1, pretreating: boiling the ramie strips for 8-12min, wherein a boiling agent is an aqueous solution containing 1-3g / L of a penetrating agent, and a bath ratio is 1:4-10; and 2, dyeing: dyeing the boiled ramie strips in a reactive dye, wherein the bath ratio is 1:4-10. The invention also discloses a making method of ramie spinning. The dyed ramie strips of the invention allows the performance of a ramie fiber to be improved, so the broken of the ramie fiber is not easy to occur when folding and drawing the fiber, and the hardening of the ramie fiber is also not easy to occur, thereby phenomena of adverse drawing, needle breaking and lacking and the like caused by post-operation carding do not occur, and a purpose of smooth spinning is reached.

Description

technical field [0001] The invention relates to the technical field of cloth printing and dyeing, in particular to a dyeing process of ramie strips and a manufacturing method of ramie spinning. Background technique [0002] Ramie is a high-quality and high-yield fiber crop with Chinese characteristics. The total output accounts for about 90% of the world. Ramie fiber has the advantages of strong hygroscopicity, fast heat dissipation, strong anti-corrosion and anti-bacterial ability, soft color, renewable utilization, and ecological environmental protection. Very good performance. [0003] With the development of production technology and the improvement of people's living standards, people are using more and more ramie, mainly for making ramie cloth, such as summer cloth. At present, there are mainly ramie yarn dyeing and loose fiber (fine hemp) dyeing in ramie dyeing, and both have been successful, but the dyed ramie yarn is woven into yarn-dyed fabrics, and the style is r...

AI Technical Summary

Problems solved by technology

At present, there are mainly ramie yarn dyeing and loose fiber (fine hemp) dyeing in ramie dyeing, and both have been successful, but the dyed ramie yarn is woven into yarn-dyed fabrics, and the style is relatively fixed; while the fine dry hemp is dyed, the production rate is low. , the waste is serious; although there are also dyeing with ramie strips, the production rate can be greatly improved, and the merging and blending of ramie strips of different colors can be used to form yarns to achieve a variety of colorful effects that cannot be achieved by dyeing yarns; but now The ramie strip dyeing technology generally uses the conventional top dyeing technology in the wool spinning industry or the cotton spinning industry. Because the ramie fiber has no crimp and poor cohesion, the dyed fiber strips are combined and easily broken; When it is used, it is easy to cause poor drafting, broken needles and lack of needles, and it is difficult to spin smoothly.

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