In addition to masks and protective clothing, what role does non-woven fabric play?

 As an important pillar industry of the national economy, the textile industry has undergone a long period of technological innovation and industrial transformation, especially with the rapid development of non-woven technology, and the application field and scope of industrial textiles have continued to expand. It has played an important role in the battle against the epidemic. Important role.

This article mainly describes the application of industrial textiles from three areas of public concern, such as isolation protection, personal hygiene and cleaning, and construction of temporary hospitals.

1. Medical masks

Masks are a necessity for medical staff to diagnose and treat patients and people’s daily protection during the epidemic. At present, my country’s medical masks are mainly divided into three types: medical protective masks with the highest level of protection, medical surgical masks commonly used in invasive operating environments such as operating rooms, and ordinary Class disposable medical masks. The raw materials of these medical masks are mostly polypropylene, and the structure is generally composed of multiple layers of non-woven materials. The most common is the SMS structure (ie spunbond-meltblown-spunbond). The meltblown nonwoven material of the middle layer has very good properties. Virus filtering effect.

2. Medical protective clothing

Medical protective clothing can effectively block the invasion of bacteria and viruses, and is of great significance for protecting the safety of medical staff and workers in public places. Most of the current medical protective clothing also uses non-woven fabrics as the main raw material. The commonly used ones on the market are mainly polypropylene spunbonded fabrics, spunlace fabrics composed of polyester fibers and wood pulp, polypropylene SMS non-woven fabrics, and some non-woven fabrics. Composite materials, etc.

3. Medical disinfection alcohol tablets

The base material of the medical disinfection alcohol sheet is a non-woven material, and the processing technology is mostly spunlace. The raw materials used can be viscose fiber, polyester fiber, polyethylene or polypropylene. After adding alcohol to the product, it has the characteristics of cleaning, antibacterial, fast liquid absorption, strong liquid retention, and high mechanical strength required by medical sanitary materials. It can be used for disinfection before injection and emergency surgery; it can also be used for household products, Cleaning and disinfection of toys, etc.

4. Disinfecting wipes

Disinfecting wipes have the characteristics of being convenient to carry and use, and can play a cleaning and disinfecting role in people's return protection. Disinfecting wipes are generally made of spunlace non-woven materials as the base fabric, and appropriate disinfectants and other materials are added to make products with cleaning and disinfection effects. They have good skin-friendly and disinfection effects. They can be used to clean hands when people are traveling and public. Wipe the armrests and seats in places.

5. Geomembrane

During the construction of the Huoshenshan Hospital, the anti-seepage layer of its foundation adopts the structure of "20cm sand cushion + polypropylene filament non-woven geotextile + HDPE geomembrane + polypropylene filament non-woven geotextile + sand cushion" , That is, the "two cloths and one membrane" structure that people often call. It is heated by oven far-infrared on both sides of the geomembrane, and the non-woven geotextile and geomembrane are pressed together by casting method or guide roller. It has low density, good extensibility, strong ability to adapt to deformation, and resistance to deformation. Corrosion and other advantages. Among them, the non-woven geotextile can block sharp particles in the soil and play a role in protecting the geomembrane.

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