Why can the non-woven fabric behind the mask prevent viruses
1. Mask material
Non-woven fabric, also known as non-woven fabric, as the name suggests, it is not traditionally interwoven and braided by the warp and weft of yarns one by one. The fibers are directly bonded together by physical methods, and the above spunbond and meltblown are the two manufacturing processes of non-woven fabrics.
Compared with traditional methods, non-woven fabrics are easier to cut and sew, stronger, more durable, softer and flatter, do not produce lint, and are more efficient and cost-effective. The most intuitive example of the comparison between traditional woven fabrics and non-woven fabrics may be the comparison of traditional baby urine mesons and diapers.
2. The non-woven fabric behind the mask
This link will basically produce polypropylene non-woven materials directly used in the final production of masks, and some enterprises in this link directly produce Terminal mask products, such as Tianjin TEDA Clean Materials Co., Ltd., a subsidiary of listed company TEDA.
General medical masks and dust masks are mostly three layers, divided into outer layer, inner layer, and filter layer. The outer layer and the inner layer are basically spunbond non-woven fabrics, and the filter layer is melt-blown non-woven fabrics.
Spunbond and meltblown are two common methods for producing non-woven fabrics in the medical and health field. The process flow of the two methods is basically similar, both are extruding the polymer plastic into filaments in the molten state from the spinneret hole, then laying the net, and finally reinforced by non-traditional textile methods (thermal bonding, self-bonding, Chemical bonding, needle punching, hydroentangling, etc.) to reinforce the web into a non-woven fabric.
The composite non-woven fabric is formed by combining the spunbond non-woven fabric and the melt-blown non-woven fabric in layers, like the common medical masks we have above. It is a three-layer composite non-woven fabric structure: SMS non-woven fabric.
There is a strong need for more research on , in order to be able to provide strong and conclusive evidence of their non woven application effects. However, recent studies have provided valuable insights into how the intake of may result in improved non-woven company.
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