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Wujiang Baiqingfu Textile Co., Ltd
备案号：苏ICP备17029390号 Power by : 300.cn
We provide our customers with professional weaving and dyeing printing processing cotton fabrics.
Production of cotton twill, human cotton plain, human cotton satin, human cotton jacquard and other products
Human cotton digital printing
Viscose, referred to as human cotton, refers to artificial cotton, the scientific name viscose fiber, is a man-made fiber, feels like cotton, the price is cheaper than cotton. The basic composition of viscose fiber is cellulose, which is commonly used in the manufacture of industrial products such as tire cords and conveyor belts. Viscose fiber is a widely used chemical fiber.
Human cotton refers to rayon, the scientific name viscose fiber, which belongs to man-made fiber. English: Viscose feels like cotton, and the price is cheaper than cotton.
Viscose fibers are regenerated cellulose fibers. It is made of natural cellulose as raw material, made into soluble cellulose xanthate by alkalization, aging, yellowing and other processes, and then dissolved in dilute alkali solution to make viscose, which is made by wet spinning. Different viscose fibers, high-moisture modulus viscose fibers and high-strength viscose fibers can be obtained by using different raw materials and spinning processes. Ordinary viscose fiber has general physical and mechanical properties and chemical properties, and is divided into cotton type, wool type and filament type, commonly known as artificial cotton, artificial hair and rayon. High wet modulus viscose fibers have a high degree of polymerization, strength and wet modulus. This fiber has a unit density of 2SPAN cN per unit of density in the wet state, and the wet elongation under this load does not exceed 15%, mainly rich and strong fibers. High-strength viscose fiber has high strength and fatigue resistance.
The breaking strength of ordinary viscose fiber is smaller than that of cotton, which is about <SPAN lang=EN-US>1.6~2.7cN/dtex; the elongation at break is greater than that of cotton, which is 16%~22%; the wet strength drops more, about dry A strong 50% increase in wet elongation by about 50%. The modulus is lower than that of cotton, and it is easily deformed under a small load, and the elastic recovery property is poor, so the fabric is easily elongated and the dimensional stability is poor. The strength of the rich fiber, especially the wet strength, is higher than that of the ordinary adhesive, the elongation at break is small, and the dimensional stability is good. Ordinary viscose has poor wear resistance, while rich fiber has improved.
Viscose fiber has good hygroscopicity, and under normal atmospheric conditions, the moisture regain rate is about 13% of <SPAN lang=EN-US>. Significantly swelled after moisture absorption, the diameter increased by up to 50%, so the fabric feels hard after the water is launched, and the shrinkage rate is large.
The chemical composition of viscose fiber is similar to that of cotton, so it is more resistant to alkali than acid, but alkali and acid resistance are worse than cotton. Rich fiber has good alkali and acid resistance. Similarly, the viscose fiber has similar dyeing properties to cotton, and the dyeing chromatogram is complete and the dyeing performance is good. In addition, the thermal properties of the viscose fiber are similar to those of cotton, and the density is close to that of cotton <SPAN lang=EN-US>1.50~1.52g/cm<SUP>3</SUP>.
Viscose fiber is one of the first chemical fibers to be industrially produced. Because of its good hygroscopicity, comfortable wearing and excellent spinnability, it is often blended with cotton, wool or various synthetic fibers, interwoven, used in all kinds of clothing and decorative textiles. High-strength viscose fiber can also be used in industrial products such as tire cords and conveyor belts. Viscose fiber is a widely used chemical fiber