Application of wood pulp composite spunlace non-woven fabric in medical field
Non-woven material is a new type of flexible material formed by processing high molecular polymers and fibrous aggregates by physical or chemical methods. It combines the advantages of four flexible materials of textile, paper, plastic and leather. Spunlace non-woven material is one of the products with high technical content and good product style among non-woven materials, which is highly praised by consumers. It has a development history of nearly 20 years in China, ranging from ordinary non-woven materials to various functional non-woven materials. Materials have been developed and applied to a certain extent. Spunlace composite technology is a major innovation to traditional spunlace technology. Through the intersection, penetration and fusion of various technologies, the spunlace composite technology enriches the performance and functions of spunlace products, and greatly expands the application fields of spunlace products.
Wood pulp composite spunlace non-woven material is a kind of non-woven composite material that uses spunlace technology to composite wood pulp fiber and synthetic fiber web to form two kinds of fibers intertwined with each other. This kind of material has good wearing properties such as high strength and extensibility, good hand feeling, air permeability and moisture permeability, and is widely used in the medical field based on the advantages of spunlace non-woven fabrics.
In 2003, China was facing the threat of 'SARSThis has resulted in a large number of imported medical protective clothing, but disposable protective clothing that isolates bacteria and viruses has been widely popularized. The country has also issued the corresponding protective clothing standard GB19082-2003. Although the softness and air permeability of spunlace non-woven fabrics are very good, the two indicators of synthetic blood penetration and filtration efficiency are not up to the standard if they are used to make protective clothing. Therefore, in addition to adding fine denier fibers to the raw materials, other processing techniques must be combined to completely solve the two problems of synthetic blood penetration and filtration efficiency.
The spunlace non-woven fabric is treated with waterproof and flame retardant multi-functional finishing to give the spunlace non-woven fabric waterproof and flame retardant effects;
The spunlace non-woven fabric is treated with Laminated composite processing to improve the filtration efficiency of spunlace nonwovens.
The medical surgical gown material has been widely used abroad after finishing with 'three defenses (waterproof, alcohol-proof, blood-proof)'. The process method of using wood pulp paper and polyester fiber web for spunlace composite reinforcement is simpler and cheaper than the method of using wood pulp fiber airlaid and polyester fiber web spunlace composite. Most domestic enterprises use this method to produce wood pulp composite Spunlace material.
In addition, the commonly used surgical drapes and surgical gowns are also made of non-woven fabrics and polyethylene (PE) films. The products do not lose hair, do not fade when dyed, and have good air permeability. The process is basically the same as that of protective clothing, but the relevant standards will be different.
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