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Types of Spunbond Nonwovens Technology

by:XINYU Non-woven     2022-02-12

Spunbond non-woven fabric: After the polymer is extruded and stretched to form continuous filaments, the filaments are laid into a web, and the web is then self-bonded, thermally bonded, chemically bonded or mechanically reinforced. Turn the web into a non-woven fabric.

Good high temperature resistance, good high temperature resistance (polypropylene can be used for a long time at 150 ℃, polyester can be used for a long time at 260 ℃), aging resistance, UV resistance, high elongation, stability And good air permeability, corrosion resistance, sound insulation, moth-proof, non-toxic.

The main materials of spunbond non-woven fabrics are polyester and polypropylene

The main products of spunbond non-woven fabrics are polypropylene, polyester (long fiber, staple fiber) non-woven fabrics, we The most common and most commonly used applications are non-woven bags, non-woven packaging, etc. It is easier to identify spunbond non-woven fabrics, and generally has good two-way fastness. Generally, the nip point of spunbond non-woven fabrics is diamond-shaped. .

At the application level, it can also be used as flower packaging cloth, luggage cloth, etc. The characteristics of wear resistance, firm hand feeling, etc. make it the best choice for making such products.

Technology type

The world's spunbond non-woven technologies mainly include Lacoffel technology from Reifen, Germany, STP technology from Italy, and Kobe Steel technology from Japan. The current situation, especially with Reffin technology becoming the mainstream technology in the world. It has now developed to the fourth generation of technology. It is characterized by the use of negative pressure ultra-high-speed air drafting, and the fiber can be stretched to about 1 denier. Many domestic enterprises have already made imitations. Since there are many cutting-edge problems in its core technology that have not been solved or mastered, it will take time for domestic equipment manufacturers to reach the technical level of Refine.


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