【What kind of fabric is viscose】When we buy clothes We often encounter the situation that when consulting about clothing fabrics, we will hear the word viscose from the salesperson’s mouth. So, what kind of fabric is viscose fiber, and what are the characteristics of textiles made from this fabric. If you want to have a more detailed understanding of what kind of fabric viscose fiber is, then please read the following explanation carefully.
Generally speaking, many of the clothes we see that are smooth and cool, have both breathability and good antistatic properties, and are very colorful after dyeing, are made of viscose fabrics. In fact, the so-called viscose fabrics Fiber is also called viscose fiber. Viscose fiber is divided into viscose filament and viscose staple fiber. It can also be called rayon and ice fiber. It is also divided into viscose filament and viscose staple fiber after 2000. , viscose fiber appeared again A new type of high-end fiber called Tencel and bamboo fiber. Viscose fiber is a cellulose fiber produced from cotton or other natural fibers. Among the 12 major textile fibers, the moisture content of viscose fiber meets the physiological requirements of human skin. , has the characteristics of smooth, cool, breathable, antistatic, and colorful dyeing. In recent years, a new and relatively high-end variety of viscose fiber called Tencel and bamboo fiber has appeared. However, no matter how it changes, viscose fiber is still the same. cotton or Cellulose fibers produced from other natural fibers. You must know that viscose is a very historic and ancient fiber variety. As early as the end of the 19th century, scientists first made cellulose xanthate from cotton. The viscosity of this solution was very high, so the glue was named viscose. After the viscose reacted with acid, people later separated the cellulose based on this principle. , using this reaction to make cellulose fibers. Later, in order to achieve industrial production, scientists invented a coagulation product composed of dilute sulfuric acid and sulfate, thus achieving the current large-scale production of viscose fibers. Now that we have seen many beautiful and cool clothes made of this kind of viscose fiber, you should have some idea of what viscose fiber is.
So, what kind of fabric is viscose? Generally speaking, viscose fiber fabric has the essence of cotton fabric, but also has good silk quality. It is an authentic ecological fiber fabric. Viscose fiber is derived from nature and is superior to nature. Because viscose fiber is optimized by using the shorter velvet of cotton as raw material, viscose fiber is essentially more pure than cotton fiber. For example, the cellulose content of viscose fiber is more than 99.5%, while cotton fiber only hovers around 95% to 97%.
Main varieties of viscose fiber:
1. Ordinary viscose fiber
(1) The cut length of viscose cotton type short fiber is 35~40mm, the fineness is 1.1~2.8dtex (1.0~2.5 denier), and it can be blended with cotton to make fine cloth, viscose, gabardine, etc.
(2) Viscose wool-type short fiber, cut to length 51~76mm, fineness 3.3~6.6dtex (3.0~6.0 denier), pure spinning possible, can also be blended with wool to make tweed, coats, etc.
2 , rich and strong fiber
(1) It is an improved variety of viscose fiber.
(2) Pure spinning can be made into muslin, poplin, etc. .
(3) Blended with cotton, polyester, etc. to produce various clothing.
(4) Good alkali resistance, and the woven fabric is stiff , will not shrink or deform after washing, and is more durable.
3 , viscose silk
(1) Can be used as clothing, quilt cover, and bedding and decorations.
(2) Viscose silk and cotton yarn are interwoven and can be used to make feather yarn and thread quilt top.
(3) Viscose silk and silk interwoven, can be made Georgette, brocade etc.
(4) Viscose thread and polyester and brocade filament Interwoven, it can be made into crystal satin, antique satin, etc.
4 , Viscose strong yarn
(1) The strength is twice as strong as ordinary viscose yarn.
(2) Twisted and woven into cord fabric, used for automobile, tractor and carriage tires.
5. High crimp and high wet modulus viscose fiber
High crimp and high wet modulus viscose fiber (expressed as HR) is a new generation of viscose fiber. It has high strength and wet modulus, moderate elongation and good crimp performance, plus viscose Viscose fiber itself has the characteristics of excellent hygroscopicity, air permeability, no static electricity, good dyeing performance, fineness and length can be flexibly adjusted, etc. It is a textile fiber raw material with relatively comprehensive properties, which can be used to purify according to different needs. . The hygroscopicity and dyeing performance of viscose fiber are closely related to the fact that the fiber itself contains a large number of hydroxyl groups (—OH). The hydroxyl (—OH) group absorbs a large number of water molecules or other molecules. The better the hygroscopicity of the fiber, the better the dyeability. Because viscose fiber has experienced many physical and chemical reactions during the manufacturing process, the cellulose macromolecules have been cracked, resulting in shorter macromolecules, larger molecular gaps, and looser arrangements.It is messy, and the hydroxyl group (-OH) in the molecule can be polar, and it is better than cotton in these aspects. Therefore, the dyeability of viscose fiber is better than that of cotton. It is not only suitable for many dyes and has a wide color spectrum, but also the dyeing colors are bright.
Acetate fiber (including cellulose regenerated fiber) Diacetate fiber and triacetate fiber), their dyeing properties are significantly inferior to viscose fiber. This is because most of the hydroxyl groups (-OH) in the acetate fiber molecules are acetylated and become hydrophobic groups. Therefore, dyes that can be used on viscose fiber and cotton may not be used on it. It can be seen that among cellulose fibers, viscose fiber also has good dyeability, is easy to dye, and the cost of printing and dyeing is also low. Viscose fiber also has shortcomings in printing and dyeing. For example, like cellulose fibers such as cotton, it can be widely used with reactive dyes. Although reactive dyes can replace some harmful chemical dyes, they form a lot of colored sewage during the printing and dyeing process. In addition, viscose fiber isThe color fastness and light fastness of some printing and dyeing are not as good as some synthetic fibers. Although this is related to the dye properties and process, viscose fiber is still a major advantage due to its ease of dyeing, full color spectrum, bright color, and low cost.
It is precisely because of the pure nature of viscose fiber that it can withstand Sun exposure, moth-proof, high temperature resistance, not allergic to chemicals, and good resistance to meltable solvents and mold. Therefore, among the current main textile fiber fabrics, viscose fiber fabrics have very comprehensive properties.
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