Analysis on the method and principle of non-woven fabric web setting

Analysis of non-woven fabric web shaping method and principle. Non-woven fibers formed by the process of dividing and laying webs are only simple physical entanglements between the fiber filaments, and the structure is not strong, so it needs to be reinforced and shaped. In order to finally produce high-strength, low-extension nonwovens. Next, the author will introduce to you the method and principle of non-woven web setting.　　The fixed type method includes hot rolling reinforcement method, needle punch reinforcement method and spunlace reinforcement method. 1. Hot-rolling reinforcement method: It is mainly suitable for fiber webs of thermoplastic polymer materials such as PP. The principle is to heat and melt polymer fibers in a hot rolling mill, and under pressure, melt them into a whole at the hot-rolled point/surface. Thereby improving the strength of the fiber and realizing the fixed type of non-woven fabric.　　2. Needle-punch reinforcement method: a row of needle punches with triangular cross-sections (or other cross-sections) and barbed edges are used to repeatedly puncture the fiber web. During the puncture process of the puncture needle, the fibers in the surface layer of the fiber web are forced into the inside of the fiber web and form a tangled structure without recovery. Under the action of friction and entanglement between the fibers, the fluffy fiber web is compressed, and after repeated punctures, numerous entanglement points are formed, and the fiber web is finally fixed. 3. Spunlace reinforcement method: using a number of very fine high-pressure water jets to spray on the laid fiber web at high speed. The water flow pierces the fiber web and hits the bottom conveyor web. The rebounded water flow penetrates the fiber web again, The repeated penetration of the thorns and the complex turbulent water flow will cause the fibers in the fiber web to produce different forms of entanglement structures and a large number of entanglement points, so that the fiber web is fixed. The spunlace reinforcement method can increase the single-thread production speed of the spunbonded non-woven fabric. This method has many entanglement points and does not damage the fibers. The non-woven fabric produced has high strength, soft hand feeling, and no adhesive. The above are several methods for non-woven fiber web shaping and reinforcement. For more product information, please pay attention to the non-woven website. Welcome customers who have non-woven fabrics or non-woven product needs to call and consult! We will You provide quality products and services. Previous post: Is it better to choose PVC wallpaper or non-woven wallpaper for home decoration wallpaper?