A. Breathable by laminating waterproof breathable membrane 1. PTFE films The water vapor molecule has a diameter of 0.0004 microns. The diameter of the smallest mist in rainwater is 20 microns, and the diameter of drizzle is as high as 400 microns. If a film with a pore diameter between water vapor and rainwater can be produced, it can be both waterproof and watertight. Breathable. U.S. Gore used PTFE as the first company to produce the film. After the composite lamination with the fabric, the brand name was GORE-TEX® (GoldesTM). As a result of continuous efforts, it is laminated with other hydrophilic thin films to form a composite film and subjected to special treatment on the film, which greatly improves the fastness. It is generally believed that the water pressure of the fabric can reach 10000mm, and the water pressure only drops after 6-7 times of water washing; the maximum air permeability can reach 10000g/sqm*24hrs, but it is not just the fabric that has just been made to achieve this value. After several washings, some of the glue is washed away, the available pores are increased, and the air permeability is increased. At the same time, the clothing made of the fabric can also block the intrusion of the cold wind and prevent the wind from passing through the cloth to take away the heat that the body emits, so that the body is not Due to the loss of heat, it feels cold; in addition, the fabric can also withstand 97.5% of the UV rays. PTFE fabrics are now represented mainly by Gore and Donaldson of the United States. Gore produces its own film and does compounding. She does not sell films separately, and she prefers better clothing manufacturers to make clothes. There is a separate salesperson to work with. Gore produced a unique waterproof, windproof, breathable fabric that can be said to write a myth in the outdoor field, known in Europe and the United States as "the cloth of the century," made of clothing, shoes and hats, gloves for many years It has always protected American astronauts and innumerable explorers. The German, French, Scandinavian countries, South Korea, Singapore and other countries also partially adopted the fabric and were listed by Fortune Magazine as one of the 100 best American products in the world. one. Almost all of the world's top outdoor apparel brands use GORE-TEX® fabrics to provide comprehensive protection for outdoor enthusiasts and to fully enjoy outdoor activities, which are familiar to Chinese consumers. Brands include: Arc' Teryx, The North Face, Black Yak, Ozark, Bonton, Garmont, Arctic Fox, Nautica, Timberland, Tecnica, Vasque, Treksta and others. In recent years, Gore has made continuous efforts to accurately position the different functions and applicability of GORE-TEX fabrics, and developed four categories that meet the needs of different outdoor sports: GORE-TEX Pro Shell, GORE-TEX Performance Shell, GORE-TEX Soft Shell and GORE-TEX Paclite Shell have established their absolute leading position in the functional fabric industry; Donaldson only manufactures thin films and composites at complex manufacturers in Japan. TPU is an abbreviation of thermoplastic polyurethane film and belongs to a non-porous hydrophilic film. Since the film itself has no pores, the waterproof effect is naturally good. Breathability is mainly achieved through its hydrophilic nature, relying on the difference in vapor pressure inside and outside the clothes, to transfer steam from a place with high pressure to a low place, thereby realizing the function of breathability. A variety of waterproof and air-permeable coating agents are applied to fabrics using process techniques such as dry direct coating, transfer coating, foam coating, phase inversion, or wet coating (solidification coating). On the surface, the pores on the surface of the fabric are closed or reduced to a certain degree by the coating agent, so that water repellency is obtained. The breathability of fabrics is influenced by the hydrophilic groups in the microporous structure or coating agent formed on the coating and the water molecules, and by means of hydrogen bonds and other intermolecular forces, the water molecules are adsorbed on the high-humidity side. Transmitted to the lower temperature side of the analytical effect to get. Coated fabrics are low in price and achieve a certain degree of breathability while being widely used. However, due to its poor waterproof and breathable properties, the hand feel is not satisfactory, and the market share is gradually decreasing. The wet transfer coating fabric developed now makes the coated fabric revitalize. It not only has a very high physical and mechanical property such as waterproof and breathable properties, but also can be used as a 100% Teflon fabric. The wash fastness can reach 25 times or more, and the hand feels very good. Designed by the British Shirley Institute in the 1940s, the high-density, low-twist cotton yarn high-density tissue fabrics made from Egyptian long-staple cotton were originally used mainly for the anti-cold resistance of British Air Force pilots during the Second World War. Baptize. When the fabric is dry, the gap between the warp and weft yarns is large, approximately 10 microns, providing a highly breathable structure; when the rain or water shower fabric, cotton yarn expands, making the gap between yarns reduced to 3 ~ 4 microns, which A closed-cell mechanism combined with a special water repellent finish ensures that the fabric is not further infiltrated by rain. At present, this type of fabric has long been replaced by other waterproof breathable fabrics. Sweat is discharged from the body by creating channels inside the fiber, which is currently the moisture wicking fabric on the market. TIPS latest top category: GORE-TEX Pro Shell three-layer fabric uses the most advanced GORETM Micro Grid Backer new patented lining structure technology. First of all, sewing marks at the seams of garments are significantly reduced, and it is almost imperceptible. As a result, the friction between the inner and outer garments is greatly reduced, which not only facilitates the free stretching of the body but also enhances the overall aesthetics of the garment; secondly, with the past. Compared to fabrics, GORE-TEX Pro Shell composite fabrics reduce the weight per square centimeter by 15 grams, and the overall weight of the clothes will be reduced by about 60 grams, allowing them to engage in outdoor sports such as climbing, bouldering, ice climbing, skiing and adventures. The person feels lasting protection and ultimate comfort. With this special lining structure protection, the waterproof, windproof, and breathable features of GORE-TEX membranes will be maintained longer. Denim Shirts For Men,Bussiness Shirts For Men,Mens Casual Dress Shirt,Print Long Sleeve Shirt SHAOXING HAISA TEXTILE AND GARMENT CO.,LTD , https://www.zhenniuclothes.com
Waterproofing is not a problem for the fabric industry. The key is how to achieve ventilation and achieve both wind and wind. Next, we will interpret the new high-tech products in-depth from the types of waterproof, windproof and breathable fabrics.
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Water-proof and breathable fabric means that water cannot be immersed in the fabric under a certain pressure, and the sweat emitted by the human body can be transmitted to the outside through the fabric in the form of water vapor, thereby avoiding the accumulation of moisture condensation between the body surface and the fabric, so as to keep the wearer Comfort, it is a high-tech, unique functional fabric.