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What is the technological process of polyester non-woven fabrics?

by:Sunshine     2021-04-05
Polyester non-woven fabric is a kind of non-woven fabric that is very common to all of us. We should all be familiar with this, so everyone knows what is the process flow of polyester non-woven fabric?

Polyester non-woven fabric is a new generation of environmentally friendly materials. It has the characteristics of moisture-proof, breathable, flexible, light weight, non-combustible, easy to decompose, non-toxic and non-irritating, rich in color, low in price, and recyclable. There are many production processes for the manufacture of non-woven fabrics, among which spunbond is one of the non-woven fabric production processes (including spunbond, meltblown, hot rolling, and water sack). Most of the current high-end methods are It is a non-woven fabric produced by spunbond method). According to the composition of non-woven fabrics, there are polyester, polypropylene, nylon, spandex, acrylic, etc.; different compositions will have completely different styles of non-woven fabrics. The spunbond fabric usually refers to polyester spunbond and polypropylene spunbond; and the styles of these two fabrics are very similar, which can be distinguished by high temperature testing.

The process of melt-blown polyester non-woven fabric: polymer feeding---melt extrusion---fiber formation---fiber cooling---netting---reinforcement into cloth.

Polyester non-woven fabric is formed after the polymer has been extruded and stretched to form continuous filaments, the filaments are laid into a web, and the web is then bonded by itself, thermally bonded, chemically bonded or mechanically reinforced. , So that the web becomes a non-woven fabric. For example, polypropylene (PP material) pellets are mostly used as raw materials, which are produced by a continuous one-step method of high-temperature melting, spinning, laying, and hot-pressing. It is called cloth because of its appearance and certain properties.

When we all use polyester non-woven fabrics, we should all follow the above process flow. The correct way to use polyester non-woven fabrics is what we all need to understand.
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