The principle of moisture-wicking fabrics

Moisture-wicking fabricFinishing

Moisture-wicking fabric finishing, as the name suggests, is to use The fabric is both absorbent and quick-drying.

Water absorption of fiber

Moisture-wicking fabric fibers are absorbent The characteristic is that there are many micropores or fibril gaps and surface grooves on the surface of the fiber 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 or capillaries along the fiber axis, which provide channels for water migration, so the fiber has good water absorption. After absorbing water, it will not swell due to water absorption like cotton.

Fast-drying fiber moisture absorption Sweat performance depends on its chemical composition and physical structure. The gaseous moisture that evaporates from the skin surface is first absorbed by the fibrous material, a process we call hygroscopicity. Moisture is then released through the surface of the fiber material, and the liquid moisture on the skin surface is adsorbed, diffused and evaporated on the surface between the fiber materials due to the capillary effect produced by the capillaries, micropores, grooves inside the fiber, and the gaps between the fibers. , this process is a dehumidification process. The two processes result in water migration. The former is mainly related to the chemical composition of the fiber macromolecules, and the latter is related to the physical structure of the fiber.

The moisture between polyester fibers mainly depends on a large amount of The microporous capillary attraction is held by the fiber, or mechanically maintained in the capillary between fibers. At normal ambient temperature, water is easily transported to the fiber surface and evaporated.

Moisture-wicking fabricFibers generally have a high specific surface area, with numerous micropores or grooves on the surface, and their cross-sections are generally special The special shape uses the capillary effect to enable the fiber to quickly absorb moisture and sweat from the skin surface, and then evaporate through diffusion and transfer to the outer layer.

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