Loop yarn is a kind of fancy yarn, which is a kind of novelty fabric. It is generally composed of core yarn, decorative yarn, and fixed yarn. The core yarn is the skeleton of the fancy yarn and the attachment of the decorative yarn; the fixing yarn is to fasten the decorative yarn on the core yarn to fix the flower shape; the decorative yarn is the main body of the fancy yarn effect. The core yarn of the loop yarn is the main part of the yarn, and the decorative yarn is the looped part of the loop yarn, which is also the embodiment of the decorativeness of the yarn. Core yarn, decorative yarn, and fixed yarn can be prepared from raw materials such as cotton and wool, and loop yarns of different raw materials can be used to prepare different styles of fabrics.
The finished product of the circle yarn has a regular circle effect, the circle is large or small, the decorative yarn of the large circle is thicker, and the small circle can be spun thinner. The linear density of loop yarn is generally 67-670tex. The loop yarn production on the ring-spindle fancy twisting machine needs to go through two processes, while on the hollow spindle fancy twister, the loop yarn can be formed at one time. When producing large loops, the decorative yarn must be selected with good elasticity and evenness Uniform worsted yarn with low single yarn twist.
With the development of textile technology, there are more and more types and colors of loop yarns, such as two-color loop yarns, three-color loop yarns, gradient loop yarns, and unilateral loop yarns. The variable loop yarn is also developed on the basis of the loop yarn, which is an uneven and irregular loop formed on the basis of the loop yarn.
Loop yarn has strong decorative three-dimensional effect and good fabric warmth retention, and can be used in various knitted, woven, and hand-knitted products, including clothes, hats, scarves, socks, decorations, etc. The style of the loop yarn fabric can be shaped by changing the type of decorative yarn, yarn material, color, yarn linear density and process method. For example, the small circles on the surface of the loop yarn can be used to design a fabric with a three-dimensional grainy appearance; by changing the weaving parameters and combining with the appropriate jacquard process, the loop yarn can also be used to prepare delicate, smooth and waxy women's clothing fabrics .
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