1. Rayon is the common name for viscose fiber.
Viscose fiber refers to α-cellulose extracted from cellulose raw materials such as wood and plant stalks, or cotton linters as raw materials, which are processed into spinning solution and then wet-processed Man-made fibers made from spun fibers.
2. Pure cotton fabric is a textile made of cotton as raw material and made of warp and weft yarns intertwined vertically and horizontally through a loom.
Currently, according to the actual source of processed cotton, it is divided into native cotton fabrics and recycled cotton fabrics.
man-made The appearance of cotton cloth is very similar to cotton cloth, and the difference is mainly based on the following points:
1. Smoothness
Artificial cotton cloth, the cloth surface is smooth, the yarn defects are very few, no impurities, clean and smooth; while cotton shells, impurities, etc. can be seen on the surface of cotton cloth, and the smoothness is not as good as Rayon.
2. Yarn count evenness
Man-made cottonThe yarn count is even and there are few yarn defects; while the yarn count of pure cotton is not as uniform as that of artificial cotton, especially for medium-coarse cloth.
3. Feel
Man-made cotton fabrics, whether thick or thin, are mostly soft to the touch, while cotton has a slightly rough feel.
4. Color
Artificial cotton has good luster and color. Compared with cotton, artificial cotton is more bright and beautiful.
5. Wrinkling
Man-made cotton cloth is easy to wrinkle. When you hold a handful of cloth with your hands and spread it, many wrinkles will appear and it is not easy to recover in time. Although cotton cloth has wrinkles, it is lighter than artificial cotton.
6. Drapability
Artificial cotton has better drape, while cotton has less drape than artificial cotton.
7. Powerful
The strength of artificial cotton is lower than that of cotton. Especially in humid environment, the fastness of artificial cotton is poor. When compared with drawing from the edge of the cloth and stretching, artificial cotton is easier to break than cotton. , Therefore, the texture of artificial cotton is mostly thick, not as light and thin as pure cotton and linen.
8. Burning
Artificial cotton is close to the flame and burns quickly, just like when we burn plastic, black smoke and curls melt. The lower the cotton content, the stronger the gelatinous texture; cotton is close to the flame and does not shrink or melt. When exposed to flame, it burns rapidly with orange flame and blue smoke.
Leave the flame and continue burning. The burning paper will produce less odor and ash, which will appear in a linear shape. The ash is soft, light gray, and easily turns into powder when touched.
1. Cotton fiber has good hygroscopicity
Under normal circumstances, cotton fiber can absorb moisture from the surrounding atmosphere, and its moisture content is 8%—10%, so when the human skin comes into contact, it feels soft and comfortable. If the humidity of the cotton fiber increases and the surrounding temperature is high, all the moisture in the cotton fiber will evaporate. Keeping cotton fabrics horizontal also makes people feel comfortable.
2. Pure cotton fabric has good heat resistance
At the same time, below 220 degrees Celsius, it will only cause the water on the fabric to evaporate and will not damage the fiber. Therefore, cotton fiber can be used at room temperature and washing will not affect the fabric. Its heat resistance also improves the durability and washability of cotton fabrics.
3. Cotton fiber has strong resistance to alkali
In alkali solution, cotton fiber will not be damaged, which reflects the alkali resistance of cotton fiber. Therefore it facilitates the washing and disinfection of contaminated impurities after use.
4. Cotton fiber also reflects hygiene
Cotton fiber is a natural fiber. Its main components are natural pigments and a small amount of waxy substances and nitrogenous substances, pectin. After testing and practice, cotton fiber has no irritation or side effects when it comes into contact with the skin. , long-term use is beneficial and harmless to the human body, and its hygienic performance is good.
Artificial cotton is characterized by good dyeability, high brightness and fastness, comfortable wearing, resistance to dilute alkali, and hygroscopicity close to cotton. The disadvantages are that it is not acid-resistant, has poor resilience and fatigue resistance, and has low wet mechanical strength. It can be spun purely or blended with chemical fibers such as polyester.
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