In people's consciousness, non-woven fabric is a product with simple processing technology and lower grade, and the real non-woven fabric processing technology for clothing can be simple or complex, and the product can be either high-end or low-grade. Generally speaking, the processing process of clothing accessories is short and the process is simple, while the processing process of clothing fabrics is long and the process is complex, especially for the finishing technology. Such as: non-woven raising products, the previous process is to use non-woven needle punching and / or stitching technology to process into a grey cloth, and then after needle punching or textile finishing, the brushed or sheared, steamed, tentered finishing Shaped and processed.
China's development of non-woven apparel fabrics is still in its infancy, and is currently limited to disposable clothing in some special fields, such as spunlace medical protective clothing, SMS medical protective clothing, etc. The development of ordinary civilian clothing fabrics is almost zero.
In fact, clothing nonwovens can be processed into products similar to traditional woven fabrics or knitted fabrics, and can also be combined with various other processing technologies to produce three-dimensional and other traditional woven or knitted processes that cannot be processed. Unique style fabric. The technical starting point can be high or low, the product style is unique, and the variety changes flexibly.
Spunlace nonwoven fabric Spunlace method is also called spunlace forming method and spunlace method. It is a late development of nonwoven technology, which uses high-pressure fine beam water flow (vertically sprayed) on the web of the metal curtain net to make the fiber move downwards by the effect of the gap hydraulic force, thereby achieving entanglement between the fibers ( Similar to needle punching) to strengthen the web. The non-woven fabric processed by the spunlace method has the characteristics of soft hand feeling, bulkiness, high hygroscopicity, and basically no fiber debris. Some of the non-woven fabrics produced by it can be used in the fields of synthetic leather base fabric, shirts, and home decoration. Among them, the wet spunlace non-woven fabric does not lose hair, and its seam tensile strength is twice that of the dry spunlace nonwoven fabric, which is especially suitable for the field of clothing. Spunlace nonwoven fabrics have a wide range of fiber raw materials, such as polyester, nylon, polypropylene, and viscose fibers.
The representative is the spunlace spunbond nonwoven fabric produced by the German company Freudenberg. The trade name is Evolon. It is a composite spunbond filament web that is continuously impacted by a high-pressure water needle to split the filament into different deniers (0.05 ~ 2.5dtex) fine denier filament. Evolon spunbond non-woven fabrics have excellent mechanical properties, high moisture permeability and breathability, and soft feel. After finishing the surface of the product, Evolon has good washing properties and excellent drape performance like ordinary woven fabrics and knitted fabrics. According to reports, 70g / m2 Evolon non-woven fabric can be used as a T-shirt, 150g / m2 can be used for sportswear, etc.
The spunlace wool non-woven fabric successfully developed by the University of Leeds, the International Wool Bureau and the BFF non-woven company has good resilience, can withstand 30,000 bendings without damage or breakage, can transmit moisture and repel water, and can be adjusted Heat can be used as an ideal sportswear fabric, and is currently being developed for use as outerwear for pants and jackets.
At present, the application of microfiber spunlace fabrics in high-end clothing leather has a dominant trend. The clothing leather made from it has good breathability, moisture permeability, drapeability, soft feel, lighter than real leather, bright color, The fluff is plump and uniform, which is conducive to design and cutting. Compared with real leather, it can be washed with water and is mildew-proof and moth-proof. It has largely replaced leather for clothing products abroad.
Needle punching method of needle punching non-woven fabric is to use external force to entangle the fibers in the fiber web to form a felt-like fabric through the barb of the needle. The feeding curtain of the needle punching machine feeds the fluffy fiber web into the bed board, and the needle board with the needles reciprocates up and down, so that the needles with barbs are needled up and down on the fiber web. Some fibers are brought into the net or the bottom of the net from the top of the net by the barb movement of the puncture needle, so that the fibers are inserted up and down for reinforcement. The fiber web after needling is output by another pair of output rollers. In addition to unidirectional needling, the fiber web can also be used in two-way needling to improve the surface quality of the product. In addition, fancy acupuncture can also be performed to produce a specific fancy effect on the surface of the product. In acupuncture processing, the depth of acupuncture, the density of acupuncture, the type of acupuncture needle and the arrangement of the acupuncture needle are the main factors that affect the quality of the product. The needling method is mainly suitable for the production of medium-thick nonwoven fabrics.
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