JIANGSU SEEK WINWIN MACHINERY CO., LTD.
The high-pressure micro water jet is applied to one or more layers of fiber net to make the fibers entangle with each other, so that the fiber mesh can be reinforced and have certain strength. The fabric obtained is spunlaced non-woven fabric. Its fiber raw material sources are wide, can be polyester, nylon, polypropylene, viscose fiber, chitin fiber, superfine fiber, Tencel, silk, bamboo fiber, wood pulp fiber, seaweed fiber, etc.
(1) Natural fiber: cotton, wool, hemp, silk.
(2) Conventional fiber: viscose fiber, polyester fiber, acetate fiber, polypropylene fiber, polyamide fiber.
(3) Differential fiber: superfine fiber, profiled fiber, low melting point fiber, high crimp fiber, antistatic fiber.
(4) High functional fiber: aromatic polyamide fiber, carbon fiber, metal fiber.
The principle of spunlacing method is similar to that of needling process, but it uses the multi strand micro water jet produced by high pressure to replace the needle. After the water jet passes through the fiber mesh, it is subject to the rebound of the mesh curtain, and then the fiber mesh is inserted again. Thus, under the hydraulic action of high-speed water jet in different directions, the fibers in the fiber mesh will produce displacement, interpenetration, entanglement and cohesion, so as to strengthen the fiber mesh.
Spunlaced non-woven fabric is flexible and tangled, which does not affect the original characteristics of the fiber and does not damage the fiber. Therefore, it has high strength and low fuzz. In addition, it does not require adhesive reinforcement to make it washable. In appearance, the pattern is changeable. It is closer to traditional textiles than other nonwoven products. It has high hygroscopicity and can quickly absorb moisture. Like hydrophilic non-woven fabrics, it can be used to make non-woven fabrics for wet wipes.
However, the non-woven fabric production line not only has a long production process, but also covers a large area, with complex equipment and high water quality requirements. Therefore, the energy consumption of the spunlace machine is high.
The application of spunlaced nonwovens is medical curtain, surgical suit, surgical cover cloth, medical dressing material, wound dressing, medical gauze, aviation rag, clothing lining base cloth, coating base cloth, non-woven fabric roll textiles, advanced cleaning cloth for instrument and instrument, advanced dishcloth for electronic industry, wool towel, cosmetic cotton, wet towel, face mask material non-woven fabric, etc.
1.The composite technology of spunlace and wood pulp air flow netting.
Because wood pulp is much cheaper than spunlaced staple fiber, fluff pulp has good hygroscopicity and handle. Therefore, the products made are cheaper than those with all fibers, and they are competitive in non-woven fabric price, but they have high requirements for a filtration system in technology. The product can be used as inner core material of wipes, diapers and sanitary napkins.
2.The composite technology of spunlace and filament spinning viscose web.
The product made by this non-woven fabric production process has both the strength of nylon cambrelle spunbonded nonwovens which are stronger than those made in the market and have better absorption properties than short fibers, and are even and softer than spunbonded nonwovens. It has the function of water absorption and oil absorption, and has higher strength, which can be used as food wrapping cloth, decoration cloth and cleaning cloth.
3.The composite technology of spunlace and wet mesh.
The strength and softness of the wet spunlaced nonwoven are equal to or even higher than those of the traditional dry spunlaced nonwoven. Moreover, the wet spunlaced nonwovens do not lose scurf, and their seam tensile strength is twice that of the dry spunlaced nonwovens, which is especially suitable for the clothing field.
The research and development of spunlaced composite technology not only overcomes the limitations of some nonwoven, but also increases the variety of designs and colors. Therefore, it greatly broadens the application field of spunlaced nonwovens, and promotes the development and improvement of spunlaced technology and even the whole nonwovens process.
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