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 supplies in accordance with FDA, without different chemical ingredients, stable efficiency, non-toxic, odorless and non-irritating to skin.
3. Antibacterial and anti-chemical agents: polypropylene is a chemically blunt substance, which will not be insect-eaten and can isolate the erosion of bacteria 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 energy of the products is healthier than the general staple fiber products, the strength of the directionless, much like the vertical and horizontal strength.
5. By way of environmental protection, polypropylene is the raw material of most non woven fabrics, while polyethylene is the raw materials of plastic bags. Though the 2 substances have comparable names, they are quite completely different in chemical structure. The chemical molecular construction of polyethylene has quite strong stability and is extremely tough to degrade, so it takes 300 years for plastic bags to decompose. The chemical construction of polypropylene is weak, and the molecular chain may be simply broken, so that it will be successfully degraded, and it enters the next environmental cycle in a non-toxic form. A non-woven shopping bag will be completely decomposed within 90 days. Moreover, the non-woven shopping bags can be reused for more than 10 instances, and the air pollution to the atmosphere 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 can be strengthened and have a certain strength.
2. Heat-bonded non woven material
Thermal bonding non woven cloth refers 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 right 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 using air mesh technology to open the wood pulp fiber board loose right into a single fiber state, after which use air circulate methodology to make the fiber agglutination in the net curtain, fiber mesh reinforcement into cloth.
4. Wet non woven fabric
Wet non-woven fabric is the fiber raw materials in the water medium is opened right into a single fiber, at the identical time, totally different fiber raw materials are combined, made into fiber suspension slurry, suspension slurry is transported to the network forming mechanism, the fiber in the wet state into a network and then strengthened into cloth.
5. Spunbonded, non woven material
Spunbonded non-woven material is within 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, in order that the fiber network into non-woven cloth.
6. Melt spray non woven fabric
Melt-blown non-woven process: polymer feeding – soften extrusion – fiber formation – cooling – right into a network – reinforcement into cloth.
7. Acupuncture on non woven fabric
Needling non-woven fabric is a kind of non-woven cloth by dry method. Needling non-woven cloth is to reinforce the material with a fluffy fiber net through the use of the puncture function of needles.
8. Stitch non woven material
non woven cloth is a kind of dry non woven fabric. The knitting methodology is to use the warp knitting coil structure to strengthen the fiber mesh, yarn layer, non-textile material (equivalent to plastic sheet, plastic thin metal foil, etc.) or their combination to make non woven fabric.
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