Advantages of non woven fabrics
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-poisonous and non-irritating: the product is manufactured with food grade raw supplies in accordance with FDA, without different chemical ingredients, stable performance, non-poisonous, odorless and non-irritating to skin.
3. Antibacterial and anti-chemical agents: polypropylene is a chemically blunt substance, which shouldn’t be insect-eaten and might isolate the erosion of micro organism and insects in the liquid; Antibacterial, alkali corrosion, completed products do not affect the power attributable to 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 energy of the directionless, similar to the vertical and horizontal strength.
5. When it comes to environmental protection, polypropylene is the raw material of most non woven fabrics, while polyethylene is the raw material of plastic bags. Although the 2 substances have related names, they are quite totally different in chemical structure. The chemical molecular construction of polyethylene has quite robust stability and is extremely troublesome to degrade, so it takes 300 years for plastic bags to decompose. The chemical structure of polypropylene is weak, and the molecular chain will be easily broken, in order that it might be successfully degraded, and it enters the following environmental cycle in a non-poisonous form. A non-woven shopping bag may be completely decomposed within ninety days. Moreover, the non-woven shopping bags can be reused for more than 10 instances, and the 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, in order that the fibers are entangled with one another, in order that the fiber network can be strengthened and have a certain strength.
2. Heat-bonded non woven fabric
Thermal bonding non woven fabric refers back to the addition of fiber mesh or powder scorching soften bonding reinforcement materials, fiber mesh after heating melting cooling reinforcement into cloth.
3. The pulp flows into a net of non-woven cloth
The air stream into the net non-woven fabric will also be called mud-free paper, dry paper making non-woven cloth. It’s the use of air mesh technology to open the wood pulp fiber board loose right into a single fiber state, after which use air circulate technique 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 within the water medium is opened into a single fiber, on the same time, completely different fiber raw materials are combined, made into fiber suspension slurry, suspension slurry is transported to the network forming mechanism, the fiber within the wet state right into a network and then strengthened into cloth.
5. Spunbonded, non woven fabric
Spunbonded non-woven cloth is within the polymer has been extruded, stretch and kind a continuous 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
Soften-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 cloth is a kind of non-woven cloth by dry method. Needling non-woven material is to strengthen the cloth with a fluffy fiber net by utilizing the puncture operate of needles.
8. Stitch non woven fabric
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 bolster 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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