What kind of fiber is mohair? What are its requirements in textile dyeing and processing?
Answer: Mohair is originally an animal fiber cut from the Angora goats on the Anatolian Plateau of Turkey. Its fiber surface is perfectly smooth, soft and elegant. Because of its silk-like luster, the word “mohai” comes from “silk-like goat hair (Arabic)”. Mohair and wool are both protein fibers, but its fiber length is longer than wool, generally more than twice as long as wool. Its average relative strength and elongation at break are higher than wool. The surface scales of mohair are finer and thinner than wool, and the friction coefficients of its forward and reverse scales are smaller than those of wool, so it is not as easy to felt, pill, and shrink as wool. Mohair’s elasticity, warmth retention, air permeability, hygroscopicity, and friction resistance are all better than those of wool, and its dust removal and decontamination properties are particularly inferior to wool. The annual output of mohair is only 0.05% of the total output of fabric fibers. Due to its scarce raw material sources, it is classified as a treasure among wool spinning raw materials.
Various fabrics made of mohair are brightly colored, full and soft in fluff, gorgeous and noble, comfortable to wear, and have good wrinkle resistance, which is unmatched by other fabric fibers. Various plain, mixed, flash, flash, embellished and rainbow-colored yarns made of mohair are eye-catching, gorgeous and precious, and are favored by consumers in the domestic and foreign fabric markets. Since the physical properties and structural form of mohair are different from those of wool, it brings certain difficulties to spinning, weaving, dyeing and finishing. During the spinning process, because mohair has a smooth surface, less natural curls, and poor cohesion between fibers, a certain proportion of wool or polyacrylonitrile fiber and other fibers are often used to blend chemical fiber fabrics to increase the cohesion between fibers and improve spinnability. sex. In terms of weaving, woven and knitted fabrics are used, which are very suitable for hand knitting. In terms of coloring, the requirements are high. It is necessary to reasonably select the dye to ensure the color coefficient and brightness, and to control the coloring temperature and pH value so that it does not affect the finish, elasticity, feel and color fastness. Prevents keratin hydrolysis from affecting the strength of its fibers.
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