Advantages of non woven fabrics
Advantages:
1. Light weight: with polypropylene resin as the primary 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 meals grade raw supplies 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 isn’t insect-eaten and might isolate the erosion of micro organism and insects within the liquid; Antibacterial, alkali corrosion, completed products do not affect the power as a result of erosion.
4. Good physical properties. Made of polypropylene spinning directly 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 material of most non woven materials, while polyethylene is the raw material of plastic bags. Though the 2 substances have similar names, they’re quite completely different in chemical structure. The chemical molecular structure of polyethylene has quite robust stability and is extremely troublesome to degrade, so it takes 300 years for plastic bags to decompose. The chemical construction of polypropylene is weak, and the molecular chain might be simply broken, so that it will be successfully degraded, and it enters the following environmental cycle in a non-toxic form. A non-woven shopping bag could be completely decomposed within 90 days. Moreover, the non-woven shopping bags might be reused for more than 10 instances, and the air pollution to the surroundings after being discarded is only 10% of that of plastic bags.
Classification of non woven materials
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, in order that the fiber network may be strengthened and have a sure strength.
2. Heat-bonded non woven cloth
Thermal bonding non woven material refers to the addition of fiber mesh or powder hot melt bonding reinforcement materials, fiber mesh after heating melting cooling reinforcement into cloth.
3. The pulp flows right into a net of non-woven material
The air circulate into the net non-woven cloth can be called dust-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, and then use air move methodology to make the fiber agglutination within the net curtain, fiber mesh reinforcement into cloth.
4. Wet non woven fabric
Wet non-woven fabric is the fiber raw material within the water medium is opened into a single fiber, at the similar time, completely different fiber raw supplies 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 cloth
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 technique, so that the fiber network into non-woven cloth.
6. Melt spray non woven cloth
Soften-blown non-woven process: polymer feeding – soften extrusion – fiber formation – cooling – right into a network – reinforcement into cloth.
7. Acupuncture on non woven material
Needling non-woven material is a kind of non-woven cloth by dry method. Needling non-woven fabric is to reinforce the fabric with a fluffy fiber net through the use of the puncture function of needles.
8. Stitch non woven fabric
non woven material is a kind of dry non woven fabric. The knitting methodology is to use the warp knitting coil construction to reinforce the fiber mesh, yarn layer, non-textile material (akin to plastic sheet, plastic thin metal foil, etc.) or their combination to make non woven fabric.
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