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The perfect combination of modified polymer material and all-plastic nose strip
Article source: Biting nose bridge  Pageviews: 235  Release time: 2020-08-13

Under the continuous prevention and control of the new crown epidemic, many places have already resumed work and production. Among them, masks are still a necessity and still in short supply.

Since the new crown epidemic, in order to cope with the shortage of domestic mask supply, in addition to traditional mask manufacturers resuming production and expanding production, many companies have expanded their production and switched to producing masks. However, the shortage of mask nose strips has severely restricted the increase in production capacity. In the current epidemic situation, we should do what the people need.

Since I didn't know anything about the bridge of the nose before, the technical research first started with anatomical masks.

Meltblown cloth, also known as the heart of the mask, is a key material that brings virus filtration to the mask, and is used in the filter layer in the middle of the mask. In terms of processing technology, melt blown cloth is a non-woven material that is made of polypropylene and other polymers as raw materials, and is blown by high-speed hot air to form ultra-fine fibers, which are bonded to themselves under the action of air flow.

The nose bridge is the "backbone" of the mask. It is mainly used as a rigid strip inside the mask, which supports the fit between the mask and the nose bridge, and prevents bacteria from entering the respiratory tract.

The mask shaping strips on the market are iron core nose strips, all-plastic nose strips and so on.

The iron wire in the iron core nose bridge must be specially treated to meet medical standards. This material has a good bending effect, but the sharp corners of the metal may cause damage to the human body. More importantly, the metal material is mixed with the non-woven polypropylene material. At the same time, the separation and recycling of discarded masks after use becomes difficult, which is not conducive to environmental protection.

In addition to the advantages of the existing nose bridge, the all-plastic nose strip also has the excellent performance of bending and deforming with the action of external force, losing the effect of external force, not rebounding, and maintaining the existing shape. It contains no metal materials and can be combined with non-woven fabrics. The materials are similarly fused. After use, it is recycled and reproduced into non-hazardous plastic products, which improves the efficiency of recycling and makes a beneficial contribution to environmental protection.

Due to the increased awareness of environmental protection, the market, especially foreign markets, has a strong demand for environmentally friendly nose strips that are less polluting and easy to recycle.

The all-plastic nose strip can be modified and produced by using polymer materials as the base material. It is halogen-free, non-phthalate, and plasticizer-free. It meets the environmental protection requirements of Rosh, REACH, etc., and is specially used for masks (especially disposable medical masks, High-level requirements such as medical surgical masks, N95, etc.) Nose bridge strips or other polymer composite materials that require the production of shaped product accessories.

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