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公开(公告)号：US20170361254A1
公开(公告)日：2017-12-21
申请号：US15528218
申请日：2015-11-20
IPC分类号： B01D39/16 , A41D13/11 , D04H3/007 , D04H1/728 , D04H1/4382 , D04H1/4291 , D01D7/00 , D01D5/26 , D01D5/12 , D01D5/098 , D01D5/00 , D01D4/02 , D04H3/16 , A62B23/02 , D04H5/08
CPC分类号： B01D39/1623 , A41D13/11 , A62B23/02 , B01D2239/025 , B01D2239/0435 , B01D2239/064 , B01D2239/1208 , B01D2239/1216 , B01D2239/1233 , B01D2239/1258 , B01D2239/1291 , D01D4/02 , D01D4/025 , D01D5/0023 , D01D5/0985 , D01D5/12 , D01D5/18 , D01D5/26 , D01D7/00 , D01D10/00 , D04H1/4291 , D04H1/4382 , D04H1/724 , D04H1/728 , D04H3/007 , D04H3/16 , D04H5/08
摘要： The present disclosure is directed toward an improved nanofibrous electret filtration media of which the stand-alone electret nanofibrous web comprises a single source randomly intermingled fiber network that yields high breathability due to the high porosity and improved filtration efficiency for use as improved filtration media for respiratory devices and face masks.
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公开(公告)号：US10456724B2
公开(公告)日：2019-10-29
申请号：US15528218
申请日：2015-11-20
IPC分类号： B01D39/16 , D04H1/4291 , D04H1/4382 , D04H1/724 , A41D13/11 , A62B23/02 , D01D4/02 , D01D5/00 , D01D5/098 , D01D5/12 , D01D5/26 , D01D7/00 , D04H1/728 , D04H3/007 , D04H3/16 , D04H5/08 , D01D5/18 , D01D10/00
摘要： The present disclosure is directed toward an improved nanofibrous electret filtration media of which the stand-alone electret nanofibrous web comprises a single source randomly intermingled fiber network that yields high breathability due to the high porosity and improved filtration efficiency for use as improved filtration media for respiratory devices and face masks.
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公开(公告)号：US09970128B2
公开(公告)日：2018-05-15
申请号：US15581388
申请日：2017-04-28
发明人： Tao Huang , Jack Eugene Armantrout , Thomas William Harding , Thomas Patrick Daly , Neil Jay Croft, Jr. , Carl Saquing , Glenn Creighton Catlin
IPC分类号： D01D10/00 , D01D5/00 , D04H1/732 , D04H1/4358 , D04H1/435 , D04H1/4334 , D01D5/18 , D04H1/736
CPC分类号： D01D5/0061 , D01D5/18 , D01D10/00 , D04H1/4334 , D04H1/435 , D04H1/4358 , D04H1/732 , D04H1/736 , D10B2321/022 , D10B2331/04
摘要： A method for laying down a nanoweb of nanofibers from a centrifugal spinning process by a combination of an air flow field and a charging arrangement. Fibrous streams in the form of fibrils of molten polymer or polymer solution are discharged from a rotating member into an air flow field that is essentially parallel to the direction of discharge of fibrils at the point of discharge of the fibrils. The fibrous streams are attentuated and directed by means of the air flow field onto the surface of a collector to form a nanoweb. The fibrous streams are charged along all or at least a portion of their route from the point of discharge to the surface of the collector.
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