In recent years, people have increasingly higher requirements for the comfort, health, safety and environmental protection of clothing fabrics. As people spend more time outdoors, the trend of mutual penetration and integration of casual wear and sportswear is increasingly favored by consumers. At the same time, workwear for people engaged in manual labor also puts forward comfort requirements for fabrics. The fabric of this type of clothing requires that if you sweat profusely during activities, the clothing will not stick to the skin and cause a cold and wet feeling. As a result, new requirements for moisture absorption and sweat wicking functions have been put forward for fabrics.
As we all know, natural fibers such as cotton have good hygroscopic properties and are comfortable to wear, but have poor wrinkle resistance, shape retention and water conductivity. When people sweat a little more, cotton fibers will expand due to moisture absorption, and their performance will decrease and stains. When attached to the skin, the moisture dissipates slowly, causing a cold and wet feeling to the human body. Synthetic fibers represented by polyester have poor hygroscopicity due to the lack of hydrophilic groups. When people use them, it is difficult for the moisture emitted by the human body to be transferred through the polyester fabric, and it is easy to cause hot and uncomfortable feelings.
Moisture-absorbing and sweat-wicking fibers have a high specific surface area. There are many micropores or fibril gaps and surface grooves on the fiber surface that communicate between the inside and outside, making it easy for moisture to enter between the fibers. At the same time, there are many tubular grooves along the fiber axis. Or capillaries, which provide channels for the migration of water, so the fibers have good water absorption and do not swell due to water absorption after absorbing water. The moisture between fibers is mainly held by the fibers by the attraction of a large number of microporous capillaries, or mechanically maintained in the capillaries between fibers. Under normal ambient temperature, the moisture is easily transported to the surface of the fibers and evaporates.
Judging from the current industrialization of moisture-absorbing and sweat-wicking polyester, physical methods are mainly used to spin several types of heterosexual fibers such as cross-shaped, Y-shaped, T-shaped and honeycomb fibers. There are varying numbers of micro-grooves on their surfaces. With the help of the grooves, The wicking moisture-conducting structure quickly absorbs moisture and sweat from the surface of the skin and excretes it instantly. The fibers on the surface of the cloth diffuse the sweat and quickly evaporate it, thereby achieving the purpose of moisture absorption, perspiration, and body temperature regulation, keeping the skin dry and cool. .
At present, major well-known clothing brand companies at home and abroad have made significant progress in the research and development of moisture-wicking fiber products, including fiber, dyeing, weaving, finishing and garments. The production technology is increasingly improved, and the performance of the products With stable quality and stable quality, a market of a certain scale has been formed. Fabrics made of moisture-absorbing and sweat-wicking fibers are widely used in sportswear, outdoor travel and leisure wear, underwear, shirts and other fields because of their excellent properties such as light weight, moisture conduction, quick drying, coolness, comfort, easy cleaning, and no need for ironing. , favored by consumers. Because it can achieve the effect of moisture absorption and quick drying without adding any additives, it is an emerging environmentally friendly fabric that is durable, green, and safe. In the market, moisture-absorbing and sweat-wicking fiber products can be seen from weaving to knitting, from fiber to yarn, from fabrics to clothing and home textiles, and a complete moisture-wicking fiber industry chain has been formed. In the future, moisture-absorbing and sweat-wicking products will develop into multi-purpose products, such as workwear, military supplies, medical care, footwear, etc., with broad application space and unlimited market development potential in the future.
At present, moisture-absorbing and sweat-wicking fibers that are widely used and have good effects include: Coolmax fiber of DuPont in the United States, Topcool fiber of Taiwan Far East Textile, Coolpus fiber of Taiwan Zhongxing Textile, etc. Commonly used specifications for moisture-absorbing and sweat-wicking fibers include filament and short fiber. The short fiber is mostly blended with cotton, linen, Tencel and other raw materials.
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