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Functional properties of needle punched nonwovens

by:XINYU Non-woven     2022-02-15

Needle-punched non-woven fabrics are a kind of non-woven fabrics. They are made of polyester and polypropylene raw materials, and are processed by multiple needle punches and appropriate hot rolling. According to different processes, with different materials, hundreds of products are made, which are used in all walks of life, and various specifications can be customized according to different purposes.

The term 'functionality' of needle-punched non-woven fabrics is unfamiliar to many people. The cost of needle-punched non-woven fabrics does not seem to be much different on the surface, but it has some 'special' functions, such as: water absorption, fire prevention, flame retardant , insulation, etc., this is the functional credit. Functionality means that by changing the properties of the finished product, adding various functional preparations and processes in the production process and finishing, the fabric has special effects and properties.

So, what 'functionality' can needle-punched non-woven fabrics be made into? What is the principle and use? Let's find out together!

1. Fire prevention and flame retardant: ordinary fabrics will burn in case of fire, while flame retardant fabrics use polymer polymerization, blending, copolymerization, composite spinning to make the fibers flame retardant. characteristic. Flame retardant fabrics mainly include: aramid, flame retardant acrylic, flame retardant viscose, flame retardant polyester, smoldering vinylon, etc. It is suitable for making protective clothing in metallurgy, oil field, coal mine, chemical industry, electric power and fire protection industry.

2. Heat preservation: The zirconium carbide compound particles are added to nylon and polyester fibers, which can absorb solar energy well and convert it into heat, that is, far-infrared heat preservation. It is suitable for making clothing in cold environment, greenhouse insulation quilt, home textile filling, etc.

What functional types, principles and uses can it be made into.

3. Far-infrared function: It has excellent health care physiotherapy, dehumidification, ventilation and antibacterial functions. It can absorb the heat emitted by the human body, absorb and emit the far-infrared rays needed by the human body, and promote blood circulation. Circulation and warm, physiotherapy effect. Mainly made into underwear, pants, cushions, etc.

4. Anti-static: The fabric is made conductive by hydrophilic finishing or adding conductive fibers. This fabric is not easy to absorb dust and has anti-static properties. It is very suitable for making carpets and special work clothes such as dust-proof clothes. Wait.

5. Water absorption: ordinary needle-punched non-woven fabrics can absorb water, but the air permeability will be relatively poor, but it uses the difference in the size of water vapor particles and raindrops to fit on the surface of the fabric with a smaller aperture than raindrops The porous structure film makes it have good water absorption and is also conducive to breathability.

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