Knitted Polyester Fabric Manufacturers, Spandex Fabric Factory.

Advantages of Lycra fabrics: 1. The stretch and elasticity of Lycra fabric is very good, and it is not easy to deform. Lycra is composed of spandex fiber, which is composed of flexible segments and rigid segments. This molecular structure gives Lycra excellent extensibility and elastic recovery properties. This fabric can be stretched to the original length of 4 ~7 times and will not deform, it can still stick to the surface of the human body after recovery, and the binding force is very small, and it is very comfortable to wear. 2. Lycra fabrics are used in a very wide range. Generally, this kind of fabric is not used alone, but needs to be used in conjunction with other fabrics, including wool, linen, silk, cotton and other fabrics to increase the fit and elasticity of the fabric. , flexibility and comfort, and Lycra is different from most spandex yarns, Lycra has a very special chemical structure and will not grow mold when wet or in a sealed space, and has a longer service life. 3. The clothing styles of lycra fabrics are also very beautiful and diverse. After adding lycra to the clothes worn by many girls, the folds of the fabric can be easily restored automatically and the clothes can be more elegant and not easily deformed, flexible and free, even if the production is rigorous The suits and jackets will not have the slightest sense of urgency and cramps, and the addition of Lycra to knitted fabrics such as undershirts, underwear, and fitness pants will make them fit and comfortable, and can stretch and move freely. Fourth, the comfort of lycra fabric is very good, because this fabric has a strong stretching ability, so it will not make people feel depressed and uncomfortable, and the combination of lycra fabric and cotton, knitted and other fabrics is very soft and comfortable, and breathable Sex is also relatively good, and the styles are diverse, which greatly satisfies the requirements of people in modern society who want to pursue fashion and beauty, and want to wear comfortable and happy.

Do you know the steaming and soaping in the process? Steaming: After textile printing, except for ice dyes and soluble vat dyes, general dyes are steamed. Purpose: to make the printed textiles absorb moisture and heat up the fibers and the color sizing film, accelerate the reduction of dyes and their dissolution on the fibers, so that the dyes diffuse into the fibers and fix on the fibers, and diffuse into the fibers to produce color fixation. The process conditions for steaming vary with the properties of dyes and fibers. Soaping: It is a very necessary and important process after steaming. In the soaping process, the soaping agent will not stick to the fabric through the physical and chemical interaction with the dye, and use the dispersion, suspension and complexation of the soaping agent, so as to improve the soaping fastness and anti-staining. the goal of.

Do you know about pre-shrinking and calendering? Pre-shrinking finishing: In the process of printing and dyeing, the fabric is stretched by mechanical tension and has internal stress. When the fabric is wet, the internal stress relaxes, which will cause a shrinkage effect. Therefore, in the actual production, the fabric must be mechanically pre-shrinked to reduce the cotton fabric. The shrinkage rate keeps the finished product dimensionally stable, keeps the fabric neat and improves the added value of the product. Calendering treatment: Also called calendering. A process of fabric finishing. A finishing process that uses the physical plasticity of fibers under high pressure or high temperature to flatten or emboss the surface of the fabric to increase the luster of the fabric. Similar to ironing, the method of flattening and ironing the surface makes the fabric have a special luster, enhances the brightness of the fabric, and makes the fabric drape and smooth.

Do you know melt spinning?a method in which the polymer is heated to above the melting point to become a melt and become a filament.Production process: Polymerization without solvent----Pelletizing----Slicing at constant temperature----Cleaning and removing impurities----Drying----Dehydration----Entering screw press Made into a solution - spinneret extrusion - cooling through a cold box - winding molding.Spinning speed: from 600 to 1600M/min.Spinning temperature: 160～220℃.Fiber fineness: 9～1100dtex.Features: short process, low cost, low pollution.

Do you know wet spinning?A method in which a dope is solidified into filaments by double diffusion in a coagulation bath.Production process: stock solution----spinning pump----enter warm water from spinneret, below 90℃----regeneration tank coagulation bath----remove solvent----filament washing--- -Drying----winding and forming.Spinning speed: from 50 to 150M/min.Spinning temperature: warm water below 90°C.Fiber fineness: 44～440dtex.Features: The production process of this method has large pollution, slow spinning speed and high cost.

Do you know stentering, sizing and styling?1. StretchingThe tentering is to elasticize the warp and weft yarns of the fabric again, so that the width and density of the fabric in the warp and weft directions are consistent, and the dimensional stability of the fabric is increased.2. Sizing and shapingJacquard varieties are all sizing to different degrees before calendering, so that the sizing is attached to the surface of the fiber and prevents the fabric door pair from retracting. Sizing has a softening effect and promotes fiber-to-fiber friction.