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HEPA (H-10) performance synthetic nonwoven and nanofiber composite filter media
HEPA (H-10) performance synthetic nonwoven and nanofiber composite filter media
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机译:HEPA(H-10)高性能合成无纺布和纳米纤维复合过滤介质
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摘要
A composite filter media structure and an associated method of making are provided. The structure includes a base substrate that includes a nonwoven fabric substrate formed from a plurality of bicomponent synthetic fibers using a spunbond process. The composite filter media structure includes a nanofiber layer deposited on one side of the base substrate by an electro-blown spinning process. In one aspect, the base substrate and the nanofiber layer are configured to provide at least an 85% filtration efficiency measured in accordance with an ASHRAE 52.2-1999 test method. In another aspect, the nanofiber layer has a basis weight of about 2.0 g/m2 to about 3.0 g/m2.
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机译:提供了一种复合过滤介质结构及其相关的制造方法。该结构包括基础衬底,该基础衬底包括通过纺粘工艺由多根双组分合成纤维形成的非织造织物衬底。该复合过滤介质结构包括通过电喷纺丝工艺沉积在基础基底的一侧上的纳米纤维层。一方面,基础衬底和纳米纤维层被配置为提供根据ASHRAE 52.2-1999测试方法测得的至少85%的过滤效率。在另一方面,纳米纤维层的基重为约2.0g / m 2 Sup>至约3.0g / m 2 Sup>。
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