Invention Grant
US07989372B2 Molded respirator comprising meltblown fiber web with staple fibers 有权
模制呼吸器包括具有短纤维的熔喷纤维网

Molded respirator comprising meltblown fiber web with staple fibers
Abstract:
A molded respirator and method of making are disclosed, wherein the molded respirator is made from a porous nonwoven web containing meltblown fibers and staple fibers. The meltblown fibers may be present as a bimodal mixture of microfibers and mesofibers, and comprise an intermingled mixture with staple fibers further intermingled therein. The molded respirator may also contain at least one secondary filtration layer.
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