So why does cashmere sweater play ball?
The reason why cashmere sweaters lose pile and play ball is determined by the morphological structure of the fiber itself. If the processing machinery and the production process used are unreasonable, it will prompt the phenomenon of ball pile-up and pilling to be more serious.
The fiber is composed of a scale layer and a cortex layer. The scale has a certain height and thickness. Some of the edges are sawtooth-shaped and shaped like barbs. It is easy to produce collusion and adhesion of the fibers during the wearing process, resulting in pilling.
The fineness, length, and crimp of cashmere fibers are important process features. Compared with Australian wool, cashmere has a smaller fineness, a shorter length, and a smaller number of crimps, so that the fibers have a small cohesion in the yarn, and there are many exposed hairinesses, plus fibers. Slippery slides from the fabric under the action of the external force to produce tucking and pilling.
Compared with wool, cashmere fibers have a low degree of fiber shrinkage and friction coefficient, and the friction resistance between fibers is reduced. However, due to the scale structure of cashmere fibers, cashmere is purely spun or blended with wool, cashmere is easy to fabric. When the middle slip moves out, when the aggregates of the fibers are subjected to an irreversible external force, the fibers of the inverse scale are easily moved to the roots, resulting in napped fibers. Due to the ratcheting between the lamellae and the elasticity of the fibrous body, the fibers are mutually The staggered tangling of the balls also causes the felting that is characteristic of animal fibers.
Cashmere fibers have poor electrical resistance and electrical conductivity. When the clothes are worn, the fibers rub against each other, causing the charge to accumulate in the fibers and generate static electricity. The fibers with high dielectric constant have a positive charge, and vice versa. When the chemical fibers and the cashmere are rubbed, the chemical fibers are negatively charged and the cashmere fibers are positively charged. The fibers with different charges are attracted to each other, which can easily cause the fabric to lose its nap. This phenomenon is particularly serious when the weather is dry.
In addition, in recent years, the price of cashmere has risen rapidly, and the processing of cashmere has developed rapidly. Under the seduce of considerable profits, local cashmere processing companies have begun to launch one after another. However, because some cashmere processing companies do not have good equipment and environment, they lack quality. The guarantee system, in the process of processing a large number of damage to the fiber, reducing the length of the fiber, producing short fibers that are detrimental to yarn quality and handling properties, greatly reducing the grade of the product, resulting in a serious cashmere balling phenomenon after wearing the cashmere sweater.
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