Wool fiber has the advantages of soft feel, soft luster, fast texture, excellent warmth and moisture absorption, etc., made of clothing with a unique elegant style and good wearing comfort is favored by more and more consumers, but the characteristics of wool fiber make wool fabric have some unsatisfactory shortcomings in the process of wearing.
The surface of the wool fiber has a directional friction effect due to the scale layer, coupled with its excellent elasticity and crimability, which makes the wool fabric will be felt during the washing process due to mechanical external force, resulting in the size of the fabric is unstable, causing great trouble in the care of consumers after purchase, and affecting the market share of wool clothing.
Organic silicone resin synthesis is simple, low cost, using it to finish the fine wool-like fabric anti-felting process is short, the conditions are easy to control, and there is no environmental pollution problem, the finished fabric area felting rate has reached a good machine washable effect, all aspects of performance indicators are good, has a good practical application value. After the application of silicone, the wool fabric has better flatness after washing, smaller flexure length and stiffness, higher elastic recovery Angle, and slightly lower strength. After oxidizing pre-treatment, a large number of anionic thiosulfonate groups are generated on the fiber. When then treated with silicone resin, part of the resin can form a firm ionic bond with the thiosulfonate group, preventing the movement and deformation between the fibers. The other part of the resin is combined with the fiber macromolecule crosslinking agent under the action of crosslinking agent to form a soft and elastic film, which improves the recovery deformation force of the fiber after stress. The elasticity increases, the fabric becomes soft and elastic, and the flexural stiffness and length decrease. At the same time, the friction resistance between fiber and yarn is reduced, the directional friction coefficient is reduced, and the felting rate is reduced.
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