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What is non-woven fabric?

  • Categories:Industry News
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  • Time of issue:2022-03-07
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(Summary description)Nonwoven fabric,also known as non-woven fabric or nonwoven cloth, needle-punched cotton, etc., is composed of oriented or random fibers. It is called cloth because it has the appearance and certain properties of cloth.

What is non-woven fabric?

(Summary description)Nonwoven fabric,also known as non-woven fabric or nonwoven cloth, needle-punched cotton, etc., is composed of oriented or random fibers. It is called cloth because it has the appearance and certain properties of cloth.

  • Categories:Industry News
  • Author:
  • Origin:
  • Time of issue:2022-03-07
  • Views:0

Nonwoven fabric,also known as non-woven fabric or nonwoven cloth, needle-punched cotton, etc., is composed of oriented or random fibers. It is called cloth because it has the appearance and certain properties of cloth.

Nonwoven cloth is moisture-proof, breathable, flexible, lightweight, non-combustible, easy to decompose, non-toxic and non-irritating, colorful, inexpensive, recyclable and other characteristics. Such as the use of polypropylene (pp material) granules as raw materials, by high-temperature melting, silk spraying, laying outline, hot press rolled continuous one-step production.

 

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【Features】

Non-woven fabric without warp and weft, cutting and sewing are very convenient, and light and easy to shape, loved by handymen.

Because it is a kind of fabric formed without spinning and weaving, only the textile short fibers or filaments are oriented or randomly arranged to form a fiber network structure, and then reinforced by mechanical, thermal bonding or chemical methods.

It is not made of one by one yarn interwoven and braided together, but the fibers are directly bonded together by physical methods, so when you get the sticky weigh in your clothes, you will find that it is impossible to draw a single thread. Nonwoven fabric breaks through the traditional textile principle and has the characteristics of short process flow, fast production rate, high yield, low cost, wide application, and many sources of raw materials.

 

 

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【Relationship between nonwoven fabric and spunbond fabric】

Spunbond fabric and nonwoven fabric are subordinate. There are many production processes for the manufacture of nonwoven fabrics, among which spunbond is one of the nonwoven production processes (including spunbond, meltblown, hot-rolled and hydroentangled methods, most of the nonwoven fabrics on the market are produced by spunbond method)

According to the composition of nonwoven fabrics, there are polyester, polypropylene, nylon, spandex, acrylic, etc.; different components will have very different styles of nonwoven fabrics. As for spunbond cloth, it usually refers to polyester spunbond and polypropylene spunbond; and the styles of these two cloths are very close to each other, which can be discerned by high temperature test.

Nonwoven fabric is a kind of nonwoven fabric, it is a non-woven fabric formed by directly using polymer slices, short fibers or filaments to form fibers into a web by airflow or machinery, then by hydroentanglement, needle punching, or hot rolling reinforcement, and finally by finishing. With a soft, breathable and flat structure of new fiber products, the advantage is that it does not produce fiber chips, strong, durable, silky soft, but also a kind of reinforcing material, and there is a cotton feel, and compared with cotton woven products, non-woven bags are easy to form, and the cost is cheap.

 

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【Advantages】

1. Light weight: polypropylene resin as the main raw material, specific gravity of only 0.9, only three-fifths of cotton, with fluffy, good feel.

2. Soft: made up of fine fibers (2-3D) light dotted hot melt bonding molding. The finished product is moderately soft and has a comfortable feeling.

3. Water repellent, breathable: polypropylene slices do not absorb water, the water content is zero, the finished product has good water repellence, composed of 100% fibers with porous, breathable, easy to keep the surface of the cloth dry, easy to wash.

4. Non-toxic, non-irritating: The product is produced with FDA food-grade raw materials and does not contain other chemical ingredients, with stable performance, non-toxic, odorless and non-irritating to the skin.

5. antibacterial, chemical resistance: polypropylene is a chemically blunt substance, not insects, and can isolate the presence of bacteria and insects within the liquid erosion; antibacterial, alkali corrosion, finished products do not affect the strength due to erosion.

6. Antibacterial properties. The product has water pulling, not moldy, and can isolate the bacteria and insects in the existing liquid erosion, not moldy.

7. Good physical properties. The strength of the product is better than the general staple fiber products, and the strength is non-directional and similar in both vertical and horizontal directions.

8. In terms of environmental protection, the raw material of most of the non-woven fabrics used is polypropylene, while the raw material of plastic bags is polyethylene, the two substances are similar in name, but far different in chemical structure. The chemical molecular structure of polyethylene has a fairly strong stability, extremely difficult to degrade, so plastic bags need 300 years to decompose; while the chemical structure of polypropylene is not strong, the molecular chain can easily break, so that it can be effectively degraded, and in a non-toxic form into the next step in the 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, and the pollution of the environment after disposal is only 10% of plastic bags.

 

【Disadvantages】

1. Compared with textile fabric strength and durability is poor.

2. Can not be cleaned like other fabrics.

3. The fibers are arranged in a certain direction, so it is easy to split from the right angle direction, etc. Therefore, the improvement of the production method is mainly focused on the improvement of the prevention of splitting.

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