The latest application of non-woven fabrics in the field of clothing

According to the degree of durability, clothing is divided into durability and non-durability (One time)Two categories. At present, the application of non-woven fabrics in clothing is mainly concentrated in the field of non-durable clothing, and the application of durable clothing is rarely reported. The application of non-durable fabrics in non-durable garments has become very popular, such as spunlaced medical protective clothing, PP disposable spunbond protective clothing and SMS Medical protective clothing. At present, the development of new products in this field includes two aspects: first, the new expansion of existing materials in the field of clothing applications; The second is the development of new non-woven fabrics. Non-durable non-woven fabric clothing fabric SMS non-woven fabric is a composite product of spunbond and meltblown. It has the advantages of high strength, good filtration performance, no adhesive, no toxicity, etc, it has already played an important role in the field of medical and industrial filtration materials. The new application is to use SMS to ventilate, not produce fiber dust, and prevent particle exchange between the human body and the outside world, it is used in highly clean production environments such as pharmaceuticals, bioengineering, optoelectronic processing, electrical components and chips. Spunbonded non-woven fabrics are made up of high-strength continuous filaments and occupy a large proportion in the disposable protective clothing market. The latest development is to add special additives or carry out post-finishing in the production process of spunbonded non-woven fabrics, the product has the functions of flame retardant, antistatic, radiation protection, hydrophobic moisture guiding, antibacterial and warm keeping. In the development of new fibers, water-soluble non-woven fabrics are an environmentally friendly product, and their application range is gradually expanding. The use of polyvinyl alcohol water-soluble fiber to produce spunlaced non-woven fabrics is a good material for making radiation-proof and pollution-proof clothing. In order to increase the protective effect, it can also be combined with water-soluble film to increase the barrier performance of protective clothing. In addition, in the use of new fibers, foreign countries have also developed the addition of super absorbent fibers in the production of non-woven fabrics (SAF)Technology. This kind of SAF-containing non-woven fabric has a particularly good soft feel and water absorption performance. It can be used as a close-fitting underwear to quickly absorb sweat from the human body and increase the micro-environment comfort between clothing and human body. In the development of new composite non-woven materials, the United States has developed a new type of cotton fiber composite non-woven fabric with a hot-bonded non-woven fabric of cotton and polypropylene fiber on the surface layer, forming two or three layers of composite materials with spunbonded fabric, the product feels similar to pure cotton knitting, and has the advantages of good strength and elongation, water absorption and water retention, fast core suction speed and small Pilling performance. After finishing, the instantaneous elastic response rate when the elongation is 50% can reach 83% ~ 93%, suitable for making medical isolation clothing and disposable underwear. In addition, the new generation of biochemical protective clothing developed by the US military makes full use of the advantages of woven, knitted and non-woven fabrics. The outer layer of the protective clothing is anti-tearing nylon/cotton fiber poplin, which is rejected by water treatment; The lining is non-woven fabric with activated carbon; The innermost layer is Trico warp knitted fabric. Compared with the existing protective clothing, this kind of clothing not only provides chemical protection for military personnel, but also increases the portability of the clothing and reduces the cost, and can withstand at least three washes. Durability non-woven fabric clothing fabric has a gap between the non-woven fabric and the requirements of clothing fabric in terms of drape, elasticity, strong elongation, opacity and Pilling, and lacks a certain artistic sense in appearance, therefore, it is quite difficult to apply to the field of durable clothing. However, non-woven fabrics are not easy to scatter and slip, can directly participate in the design of cloth edges, and do not need to ironing and locking the seams of clothing, which is different from woven fabrics and knitted fabrics. It is optimistic about the advantages of simple sewing technology of non-woven fabrics, and many scientific researchers and enterprises have the courage to face risks in product development. In recent years, the focus of research has been on how to improve the drape, wear resistance, elasticity and elastic resilience of non-woven fabrics to make them suitable for the requirements of durable clothing fabrics. BBAFiberweb and DowChemical jointly developed a new spunbonded elastic non-woven fabric with a core-type two-component fiber, a core layer of elastomer and a polymer with good elongation, by adjusting the different proportions of the two components of the leather core, the spunbonded non-woven fabric has very good elasticity, low elastic modulus and high strength and dimensional stability, this provides the possibility for spunbonded non-woven fabrics to make durable garments. Japan's cola and domestic enterprises are jointly developing microfiber spunbonded non-woven fabrics, which are combined with PP or PE, PA, etc. using Ex instancevaltm soluble resin. One component is PP (Or PE, PA) The other combination is Excevaltm. Exce valtm can be dissolved in water below 90 ℃, can also be biodegradable, can absorb water, and is hydrophilic, and PP (Or PE, PA) After compounding, it has thermal adhesion and is very easy to form a net. This kind of spunbond non-woven fabric has much better water absorption than ordinary spunbond fabric. Although its surface density is small, its strength can still be equivalent to that of traditional spunbond fabric, which is a good material for durable clothing. Spunlaced non-woven fabric has the characteristics of soft hand feeling, loose swelling, high hygroscopicity and wide use of fiber raw materials. It is the most suitable non-woven fabric for clothing. Therefore, it has the most research on its application in durable clothing. U. S. Patent reported a durable spunlaced non-woven fabric, which has good wear resistance and drapability, is not easy to pilling and has good dyeing fastness. When the elongation in the vertical machine direction is 50%, the response rate can reach 90%, and can be washed at least 25 times. The non-woven fabric has good elasticity, is suitable for making shirts and coats for daily wear, combines close-fitting comfort, good mechanical strength and aesthetics, and is an ideal clothing material.