Molded monocomponent monolayer respirator
作者： Andrew R. Fox , Seyed A. Angadjivand , John D. Stelter
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摘要: A molded respirator is made from a monocomponent monolayer nonwoven web of continuous charged meltspun partially crystalline and amorphous oriented fibers the same polymeric composition that have been bonded to form coherent handleable which further may be softened while retaining orientation fiber structure. The cup-shaped porous matrix whose are one another at least some points intersection. has King Stiffness greater than 1 N. formed without requiring stiffening layers, bicomponent fibers, or other reinforcement in filter media layer.
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