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Nonwovens for Home Textiles - Hatadeposu - Soru Cevap Platformu

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Nonwoven fabric is a fabric-like material made from lengthy fibers, bonded

together by chemical, mechanical, heat or solvent treatment. In simple terms,

they are textiles made from fibers or threads joined together without weaving.

Nonwoven materials classically lack strength unless densified or toughened by a

backing. In recent years, nonwovens have become an alternative to polyurethane

foam.

Nowadays nonwoven fabrics are mostly used as home furnishing fabrics.

[url=http://www.impact-materials.com/nonwoven-fabrics/]Nonwoven fabrics[/url]

are described as sheet or web structures bonded together by entangling fiber or

filaments (and by perforating films) mechanically, thermally or chemically.

They are flat, porous sheets that are made directly from separate fibers or

from molten plastic or plastic film. They are not made by weaving or knitting

and do not require converting the fibers to yarn. Typically, a certain

percentage of recycled fabrics and oil-based materials are used in nonwoven

fabrics. The percentage of recycled fabrics varies based upon the strength of

material needed for the specific use. Conversely, some nonwoven fabrics can be

recycled after use, given the proper treatment and facilities. For this reason,

some consider nonwovens a more ecological fabric for certain applications,

especially in fields and industries where disposable or single use products are

important, such as hospitals, schools, nursing homes and luxury accommodations.

Nonwoven fabrics are engineered fabrics that may be a limited life, single-use

fabric or a very durable fabric. Nonwoven fabrics provide specific functions

such as absorbency, liquid repellence, resilience, stretch, softness, strength,

flame retardancy, washability, cushioning, filtering, use as a bacterial

barrier and sterility. These properties are often combined to create fabrics

suited for specific jobs, while achieving a good balance between product life

and cost. They can mimic the appearance, texture and strength of a woven fabric

and can be as bulky as the thickest paddings. In combination with other

materials they provide a spectrum of products with diverse properties and are

used alone or as components of apparel, home furnishings, health care,

engineering, industrial and consumer goods.

Types of nonwoven fabrics: Nonwovens, depending on the production process can

be divided into:

? Materials produced by physicochemical methods; and

? Mechanically produced materials.

Materials produced by physicochemical methods

Most nonwoven materials, are made by binding fibers with adhesives. The most

common glued materials are those based on fibrous cloth (a layer of textile

fibers whose weight is 10–1000 gsm and more). The cloth is most often formed

mechanically from several layers of combed fibers passing through the dotting

drum of a combing machine. Fibrous cloth may be produced by the aerodynamic

method in which the fibers are removed from the drum of the combing machine by

a stream of air and transferred to a mesh drum (condenser) or a horizontal mesh

with a maximum speed of up to 100 m/min, or by water dispersion of the fibers

on the mesh of a paper machine.
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