Advantages of non woven materials
Advantages:
1. Light weight: with polypropylene resin as the main raw material, 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 efficiency, non-poisonous, odorless and non-irritating to skin.
3. Antibacterial and anti-chemical agents: polypropylene is a chemically blunt substance, which is just not insect-eaten and might isolate the erosion of bacteria and insects in the liquid; Antibacterial, alkali corrosion, completed products don’t affect the power as a consequence of erosion.
4. Good physical properties. Made of polypropylene spinning directly into a net of thermal bonding products, the power of the products is healthier than the overall staple fiber products, the strength 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 fabrics, while polyethylene is the raw material of plastic bags. Though the two substances have similar names, they’re quite totally different in chemical structure. The chemical molecular structure of polyethylene has quite strong stability and is extraordinarily tough to degrade, so it takes 300 years for plastic bags to decompose. The chemical construction of polypropylene is weak, and the molecular chain can be easily broken, in order that it could be effectively degraded, and it enters the next environmental cycle in a non-toxic form. A non-woven shopping bag could be utterly decomposed within ninety days. Moreover, the non-woven shopping bags might be reused for more than 10 times, and the air pollution to the setting after being discarded is only 10% of that of plastic bags.
Classification of non woven fabrics
1. Spiny non woven fabric
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 could be strengthened and have a sure strength.
2. Heat-bonded non woven cloth
Thermal bonding non woven cloth refers to the addition of fiber mesh or powder scorching melt bonding reinforcement supplies, fiber mesh after heating melting cooling reinforcement into cloth.
3. The pulp flows into a net of non-woven material
The air movement into the net non-woven material can also be called dust-free paper, dry paper making non-woven cloth. It’s using air mesh technology to open the wood pulp fiber board loose into a single fiber state, after which use air move technique to make the fiber agglutination within the net curtain, fiber mesh reinforcement into cloth.
4. Wet non woven material
Wet non-woven fabric is the fiber raw materials within the water medium is opened into a single fiber, at 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 and then strengthened into cloth.
5. Spunbonded, non woven fabric
Spunbonded non-woven cloth is in the polymer has been extruded, stretch and type a steady filament, filament laid into a network, fiber network after its own bonding, thermal bonding, chemical bonding or mechanical reinforcement method, so that the fiber network into non-woven cloth.
6. Soften spray non woven fabric
Melt-blown non-woven process: polymer feeding – melt extrusion – fiber formation – cooling – into a network – reinforcement into cloth.
7. Acupuncture on non woven material
Needling non-woven material is a kind of non-woven material by dry method. Needling non-woven material is to reinforce the material with a fluffy fiber net through the use of the puncture perform of needles.
8. Stitch non woven cloth
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 (similar to plastic sheet, plastic thin metal foil, etc.) or their combination to make non woven fabric.
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