Advantages of non woven fabrics
Advantages:
1. Light weight: with polypropylene resin as the main raw materials, the proportion is only 0.9, only three-fifths of that of cotton, with fleeciness and good feel.
2. Non-toxic and non-irritating: the product is manufactured with food grade raw materials in accordance with FDA, without different chemical ingredients, stable performance, non-toxic, odorless and non-irritating to skin.
3. Antibacterial and anti-chemical agents: polypropylene is a chemically blunt substance, which just isn’t insect-eaten and can isolate the erosion of bacteria and insects within the liquid; Antibacterial, alkali corrosion, completed products don’t affect the power on account of erosion.
4. Good physical properties. Made of polypropylene spinning directly right into a net of thermal bonding products, the strength of the products is best than the overall staple fiber products, the power of the directionless, just like the vertical and horizontal strength.
5. In terms of environmental protection, polypropylene is the raw materials of most non woven materials, while polyethylene is the raw material of plastic bags. Although the 2 substances have related names, they are quite different in chemical structure. The chemical molecular structure of polyethylene has quite sturdy stability and is extraordinarily troublesome to degrade, so it takes 300 years for plastic bags to decompose. The chemical structure of polypropylene is weak, and the molecular chain could be easily broken, so that it might be successfully degraded, and it enters the following environmental cycle in a non-poisonous form. A non-woven shopping bag can be completely decomposed within 90 days. Moreover, the non-woven shopping bags will be reused for more than 10 times, and the air pollution to the surroundings after being discarded is only 10% of that of plastic bags.
Classification of non woven fabrics
1. Spiny non woven cloth
The spining process is to spray a high pressure water jet onto one or more layers of fiber network, so that the fibers are entangled with each other, so that the fiber network can be strengthened and have a certain strength.
2. Heat-bonded non woven material
Thermal bonding non woven fabric refers back to the addition of fiber mesh or powder sizzling melt bonding reinforcement supplies, fiber mesh after heating melting cooling reinforcement into cloth.
3. The pulp flows into a net of non-woven fabric
The air flow into the net non-woven cloth can be called mud-free paper, dry paper making non-woven cloth. It is the usage of air mesh technology to open the wood pulp fiber board loose right into a single fiber state, after which use air movement method to make the fiber agglutination within the net curtain, fiber mesh reinforcement into cloth.
4. Wet non woven material
Wet non-woven material is the fiber raw material within the water medium is opened right into a single fiber, on the identical time, totally different fiber raw materials are mixed, made into fiber suspension slurry, suspension slurry is transported to the network forming mechanism, the fiber in the wet state right into a network after which strengthened into cloth.
5. Spunbonded, non woven material
Spunbonded non-woven material is within the polymer has been extruded, stretch and form a steady filament, filament laid into a network, fiber network after its own bonding, thermal bonding, chemical bonding or mechanical reinforcement methodology, so that the fiber network into non-woven cloth.
6. Melt spray non woven fabric
Soften-blown non-woven process: polymer feeding – melt extrusion – fiber formation – cooling – right into a network – reinforcement into cloth.
7. Acupuncture on non woven cloth
Needling non-woven material is a kind of non-woven material by dry method. Needling non-woven fabric is to bolster the cloth with a fluffy fiber net by using the puncture perform of needles.
8. Stitch non woven material
non woven fabric is a kind of dry non woven fabric. The knitting methodology is to make use of the warp knitting coil structure to reinforce the fiber mesh, yarn layer, non-textile materials (corresponding to plastic sheet, plastic thin metal foil, etc.) or their mixture to make non woven fabric.
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