The non-woven fabric is a non-woven fabric which directly utilizes high-polymer slicing, short fibers or filaments to form a novel fibrous product having a soft, permeable and planar structure by various web forming methods and consolidation techniques. The utility model has the characteristics of short process flow, high output, low cost, fast variety change and wide source of raw materials, and the non-woven fabric can be divided into: according to different production processes:
1. Spunlaced non-woven fabric: The high-pressure fine water flow is sprayed onto one or more layers of the fiber web to entangle the fibers with each other, so that the fiber web can be reinforced and has a certain strength.
2. Heat-bonded non-woven fabric: refers to the addition of fibrous or powdered hot-melt bonding reinforcement material to the fiber web, and the fiber web is then heated and melted to form a cloth.
3, pulp airlaid non-woven fabric: can also be called dust-free paper, dry papermaking non-woven fabric. It uses the air-laid technology to open the wood pulp fiber board into a single fiber state, and then uses a gas flow method to agglomerate the fibers on the mesh curtain, and the fiber web is further reinforced into a cloth.
4. Wet-laid non-woven fabric: the fiber raw material placed in the water medium is opened into a single fiber, and at the same time, different fiber raw materials are mixed to form a fiber suspension slurry, and the suspended pulp is transported to a web forming mechanism, and the fiber is in a wet state. Reinforce the cloth into a cloth.
5. Spunbond non-woven fabric: After the polymer has been extruded and stretched to form continuous filaments, the filaments are laid into a net, and the web is then bonded, thermally bonded, chemically bonded or mechanically reinforced. The method is to make the web into a non-woven fabric.
6. Meltblown non-woven fabric: The process: polymer feeding---melt extrusion---fiber formation---fiber cooling---forming into the net---reinforcing into cloth.
7. Needle-punched non-woven fabric: It is a kind of dry-laid non-woven fabric. The needle-punched non-woven fabric is a puncture effect of a lancet, and the fluffy fiber web is reinforced into a cloth.
8. Non-woven fabric: It is a kind of dry non-woven fabric. The stitching method is to use warp knitting coil structure for web, yarn layer, non-woven material (such as plastic sheet, plastic thin metal foil, etc.) or Their combination is reinforced to form a nonwoven fabric.
Because non-woven fabrics have many functional superior properties, they are extremely versatile and can be classified according to their use:
1. Non-woven fabrics for clothing;
2, leather, non-woven fabrics for shoes;
3, home decoration, home non-woven fabrics;
4. Non-woven fabrics for medical and health purposes;
5. Non-woven fabric for filter materials;
6. Industrial non-woven fabrics;
7. Non-woven fabrics for the automotive industry;
8. Non-woven fabric for packaging;
9. Non-woven fabrics for agriculture and horticulture;
10. Military, non-woven fabrics for national defense industry;
11. Non-woven fabrics for other industries
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