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What material is medical protective clothing made of?

What material is medical protective clothing made of?

The role of medical protective clothing is to produce a bacterial barrier layer to prevent bacterial migration and reduce cross-infection. In recent years, some scientific research institutes and enterprises have developed many medical protective clothing, most of which are made of non-woven fabrics. Medical protective clothing can be divided into woven materials, non-woven materials and composite materials according to the fabric structure. According to the service life, it can be divided into one-time (one-time), limited type and reusable type. According to the processing and compounding process, there are three methods: finishing, coating and lamination

Protective clothing has different properties due to the use of different materials. At present, the following non-woven materials are mainly used in several medical protective clothing currently sold and developed in the domestic market

Polypropylene Spunbond Fabric

Polypropylene spunbond fabric can be made into antibacterial protective clothing, antistatic protective clothing, etc. through antibacterial and antistatic treatments. Compared with traditional cotton protective clothing, polypropylene spunbond protective clothing is undoubtedly a big improvement. Due to its low price and one-time use, it can greatly reduce the cross-infection rate, and it has been widely promoted abroad for a long time. However, this material has relatively low anti-hydrostatic pressure and relatively poor barrier efficiency to virus particles, and can only be used as ordinary protective equipment, such as sterile surgical gowns, disinfection cloths, etc. by

Spunlace fabric made of polyester fiber and wood pulp

It feels soft and close to traditional textiles. It can be treated with three kinds of resistance including alcohol resistance, blood resistance, oil resistance, antistatic and antibacterial. It can be sterilized by gamma rays. It is a good medical protective clothing material. However, its anti-hydrostatic The pressure is relatively low, and the barrier efficiency to virus particles is relatively poor, so it is not an ideal protective clothing material.

Polypropylene spunbond-meltblown-spunbond composite nonwoven fabric, namely SMS or smms

Melt-blown fabric has the characteristics of small fiber diameter, large specific surface area, fluffy and soft, good drape, low filtration resistance, high filtration efficiency, strong hydrostatic pressure resistance, but low strength and poor wear resistance, which limits it to a certain extent. Developments in application areas However, spunbond fabrics have a higher linear density, and the fabrics are composed of continuous filaments. Its breaking strength and elongation are much larger than meltblown fabrics, which can only make up for the deficiencies of meltblown fabrics. The material has the following excellent characteristics:

①The appearance is uniform and beautiful;

②High static pressure resistance;

③Soft hand feeling;

④Good air permeability;

⑤Good filtering effect;

⑥Strong acid and alkali

In addition, the SMS non-woven fabric can also be treated with three kinds of anti-static (anti-alcohol, anti-blood, and anti-oil), anti-static, anti-bacterial, and anti-aging treatments to meet the needs of different uses.

Polymer coated fabric

Protective fabrics used in a variety of coatings, including polyvinyl chloride, polyethylene, polychloroprene rubber, and other synthetic rubbers. This kind of protective clothing has good water resistance and bacterial particle barrier, and can be used repeatedly, but it has poor moisture permeability, a large amount of sweat cannot be discharged from the human body, and poor wearing comfort. The use of rubber-coated fabric protective clothing during the SARS period was indeed the last resort. The latest development at home and abroad is the use of microporous polytetrafluoroethylene film and fabric to obtain waterproof and breathable function, but it is expensive as a disposable product

Polyethylene breathable film/non-woven composite fabric

According to the requirements of different protection levels, the non-woven fabrics and films used are also different. The polyethylene breathable film/non-woven fabric composite material has excellent effects of blocking the penetration of bacterial particles and liquid penetration. The softness of the composite material can be adjusted to adjust the hand feel. It has strong tensile strength, good air permeability, and greatly improved comfort. It is disinfected, does not contain toxic ingredients, weighs 60-100 g/m2, and is cost-effective; medical disposable protective clothing made of polyethylene breathable film/non-woven composite material can protect medical staff from pollution sources and overcome crossover Infection, play an effective protective role.

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