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What material is medical protective clothing made of?

What material is medical protective clothing made of?

(Summary description)The role of medical protective clothing is to produce a bacterial barrier to prevent bacterial migration and reduce cross-infection. In recent years, some scientific research units and enterprises have developed a lot of medical protective clothing, most of which are made of non-woven fabrics. Medical protective clothing can be divided into woven, non-woven and composite materials according to the organizational structure of the fabric; according to the service life, it can be divided into disposable type (one-time use), limited-time type and reusable type; It is said that there are three types of methods: finishing, coating and lamination.

What material is medical protective clothing made of?

(Summary description)The role of medical protective clothing is to produce a bacterial barrier to prevent bacterial migration and reduce cross-infection. In recent years, some scientific research units and enterprises have developed a lot of medical protective clothing, most of which are made of non-woven fabrics. Medical protective clothing can be divided into woven, non-woven and composite materials according to the organizational structure of the fabric; according to the service life, it can be divided into disposable type (one-time use), limited-time type and reusable type; It is said that there are three types of methods: finishing, coating and lamination.

The role of medical protective clothing is to produce a bacterial barrier to prevent bacterial migration and reduce cross-infection. In recent years, some scientific research units and enterprises have developed a lot of medical protective clothing, most of which are made of non-woven fabrics. Medical protective clothing can be divided into woven, non-woven and composite materials according to the organizational structure of the fabric; according to the service life, it can be divided into disposable type (one-time use), limited-time type and reusable type; It is said that there are three types of methods: finishing, coating and lamination.

Protective clothing has different properties due to the different raw materials used. The non-woven materials used in several medical protective clothing currently being sold and developed in the domestic market mainly include the following.

Polypropylene Spunbond Fabric

Polypropylene spunbond cloth can be treated with antibacterial and antistatic to make antibacterial protective clothing, antistatic protective clothing, etc. Compared with traditional cotton protective clothing, polypropylene spunbond protective clothing is undoubtedly a big improvement. Because of its low price and one-time use, it can greatly reduce the cross-infection rate. However, the anti-hydrostatic pressure of the material is relatively low, and the blocking efficiency of virus particles is relatively poor, so it can only be used as general protective equipment such as sterile surgical gowns and sterile wraps.

Polyester fiber and wood pulp composite spunlace cloth

The material is soft to the touch, close to traditional textiles, and can be treated with three antibodies (anti-alcohol, anti-blood, anti-oil), anti-static, and anti-bacterial, and can be sterilized with gamma rays. It is a good medical protective clothing material. However, its anti-hydrostatic pressure is also relatively low, and its blocking efficiency against virus particles is also relatively poor, so it is not an ideal protective clothing material.

Polypropylene spunbond-meltblown-spunbond composite nonwovens, ie SMS or SMMS

Meltblown cloth is characterized by thin fiber diameter, large specific surface area, fluffy, soft, good drapability, small filtration resistance, high filtration efficiency, strong hydrostatic pressure resistance, but low strength and poor wear resistance, which are limited to a considerable extent. development of its application field. The spunbond fiber has a higher linear density, and the fiber web is composed of continuous filaments. Its breaking strength and elongation are much larger than those of the meltblown cloth, which can just make up for the shortcomings of the meltblown cloth. This material has the following excellent properties:

① Uniform and beautiful appearance;

② High resistance to hydrostatic pressure;

③ Soft feel;

④ good air permeability;

⑤ Good filtering effect;

⑥ Strong acid and alkali resistance.

In addition, SMS nonwovens can also be treated with three antibodies (anti-alcohol, anti-blood, anti-oil), anti-static, anti-bacterial, anti-aging, etc. to meet the needs of different uses.

polymer coated fabric

There are many types of coatings used for protective fabrics, including polyvinyl chloride, polyethylene, polychloroprene rubber and various other synthetic rubbers. The moisture permeability is poor, a large amount of sweat from the human body cannot be discharged, and the wearing comfort is poor. The protective clothing using rubber-coated fabrics during the SARS period was really a last resort. The latest progress at home and abroad is the use of microporous PTFE film and fabric composite to obtain waterproof and breathable functions, but it is expensive as a disposable product.

Polyethylene breathable film/non-woven composite fabric

According to the different requirements of the protection level, the non-woven fabrics and films used are also different. Polyethylene breathable film/non-woven fabric composite material has excellent effect on blocking bacterial particle penetration and liquid penetration, and the hand feel can be adjusted by changing the softness of the composite fabric. It has strong tensile strength, good air permeability and comfortable performance. It is greatly improved, can withstand disinfection treatment, does not contain toxic components, weighs 60~100g/m2, and has a good price/performance ratio. to effective protection.

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