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Non-woven characteristics of the material characteristics

Author: YaPeng international Co., Ltd Date: 2013-4-9 Views: 2445 times

Nonwoven fabric is a nonwoven fabric, it is the direct use of polymer chips, staple fibers or filaments of the fibers by air or mechanically into a network, and then after a spunlace, acupuncture, or hot-rolled reinforcing Finally, after finishing the formation of non-woven cloth. Has a soft, breathable and flat structure of the new fiber products, the advantage is that does not produce lint, tough, durable, soft and silky, but also enhance the kind of material, but also the feel of cotton, cotton, non-woven cloth bag easy to shape, and cost less.

Advantages:
Light: polypropylene resin as the main raw material, the proportion is only 0.9, only three-fifths of the cotton with fluffy, feel good.
2 soft: fine fiber composition (2-3D) tap hot-melt adhesive molding. Refined softness moderate, with comfort.
Water repellent, breathable: polypropylene slice does not absorb water, the moisture content of zero, finished good water repellency, 100% fiber with porous, good air permeability, easy to maintain the fabric dry, easy to wash.
Non-toxic, non-irritating: consistent with FDA food-grade raw material production, without other chemical composition, stable, non-toxic, odorless, non-irritating to the skin.
Antibacterial, anti-chemical: Polypropylene is blunt chemical substances, no insects, and can be isolated presence of corrosive liquid bacteria and insects; antibacterial, alkali corrosion, the finished product is not due to erosion and impact strength.
6 antibacterial properties. Products with pull water-based, not moldy, and there can be isolated corrosive liquid bacteria and insects, mold bore.
7 good physical properties. Polypropylene spinning directly paved the net thermal bonding together, the intensity of the product was better than the average staple products, non-directional strength, vertical and horizontal similar strength.
On the environment, most of the non-woven raw materials currently used is polypropylene, the raw material of plastic bags polyethylene, two substances although the name is similar, but it falls far short of the chemical structure. The chemical molecular structure of polyethylene having a very strong stability, it is extremely difficult to degrade, so the plastic bag 300 years before decomposition is complete; polypropylene chemical structure is not solid, the molecular chains can easily be breakage, which can effectively degrade and go to the next step in the form of non-toxic environmental cycle, a non-woven shopping bags in 90 days can be completely decomposed. And non-woven shopping bags can be reused more than 10 times, waste pollution of the environment, only 10% of the plastic bags.

Disadvantages:
1. Poor strength and durability compared to textile fabrics
Not like other fabric cleaning
Fibers arranged in a certain direction, it is easy to split at right angles, and so on. Therefore, the recent improvement in production methods prevent split improved.

Use
(1) medical, health, non-woven fabrics: surgical gowns, protective clothing, disinfection pack cloth, masks, diapers, civilian cloths, wipes, wet towel, magic towel, Towel Roll, beauty products, sanitary napkins, health care pad and disposable hygiene with a cloth.
(2) home decor with a non-woven fabric: stickers wall covering, table cloth, bed sheets, bedspreads.
(3) clothing, non-woven fabric: lining, fusible interlining, flakes, stereotypes cotton, synthetic leather base cloth.
(4) industrial non-woven fabrics; substrate of the roof waterproofing membrane and asphalt shingles, reinforced materials, polishing materials, filter materials, insulation materials, cement packaging bags, geotextile, coated fabric.
(5) agricultural non-woven fabrics: crop protection cloth, the cloth of seedlings, irrigation cloth, insulation curtain.
(6) Other non-woven fabrics: cotton space, noise insulation materials, absorption felt, cigarette filters, bags tea bags, shoes and so on.
Edit this paragraph are classified non-woven production with fiber polypropylene (PP), polyester (PET). In addition, the polyamide (PA), viscose, acrylic, Polyethylene (HDPE), polyvinyl chloride (PVC). As required by the application, non-woven fabric is divided into one-time application and durable two categories.
According to the production process is divided into:
1. : Spunlace non-woven spunlace process is high-pressure fine water jets to one or more layers fiber web, the fibers entangled with each other, so that the fiber network will be reinforced with a certain strength.
2. Heat sealing non-woven: thermally bonded non-woven fiber network fibrous or powdered hot melt adhesive reinforcement material, the fiber network and then cooling after heating and melting into the fabric reinforcement.
3. Pulp airlaid nonwoven fabric: airlaid nonwoven fabric can be called airlaid dry papermaking nonwoven fabric. Airlaid technology wood pulp fiberboard opener into a single fiber state, and then the air flow method the fiber aggregation into the net curtain, fiber network and then into the fabric reinforcement.
4. The wet nonwoven fabric: The wet nonwoven fiber material will be placed in an aqueous medium into a single fiber opener, while allowing the mixing of different fiber raw materials, made of fiber suspension pulp suspension slurry is fed to a network institution, in fiber wet into the net and then into the fabric reinforcement.
5. : Spunbond nonwoven spunbond non-woven polymer extrusion, stretching to form a continuous filament, filament laying into a network of fiber network and then through the self-adhesive, thermal bonding, chemical bonding or mechanical reinforcement method, the fiber network into a non-woven fabric.
6. Meltblown nonwoven: meltblown nonwoven process: polymer feeding --- melt extrusion --- fiber formation --- fiber cooling --- into the net --- into the fabric reinforcement.
7. Non-woven needle: non-woven needle is a dry non-woven, non-woven needle using the needle puncture, the the fluffy fiber network into the fabric reinforcement.
8. Stitched nonwoven fabric: stitching the nonwoven fabric is a nonwoven fabric by the dry method, the stitching method is the use of warp coil structure of the fibrous web, the yarn layer, the non-woven material (e.g., plastic sheet, plastic thin metal foil etc.) or their combination for reinforcement, to prepare a nonwoven fabric.
9. Hydrophilic non-woven fabric: mainly used for the production of health materials, in order to get a better feel and do not scratch the skin. Like sanitary napkins, sanitary gasket is the use of the hydrophilic function of the hydrophilic nonwoven fabric.

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