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公开(公告)号:US09138669B2
公开(公告)日:2015-09-22
申请号:US13958235
申请日:2013-08-02
CPC分类号: B01D39/1623 , B01D39/2017 , B01D39/2055 , B01D39/2065 , B01D46/546 , B01D2239/025 , B01D2239/0258 , B01D2239/0266 , B01D2239/0407 , B01D2239/0421 , B01D2239/0428 , B01D2239/0442 , B01D2239/0478 , B01D2239/0622 , B01D2239/0631 , B01D2239/065 , B01D2239/0654 , B01D2239/069 , B01D2239/10 , B01D2239/1233 , B01D2239/125 , B01D2239/1258 , B01D2239/1266 , B01D2239/1291 , B01D2275/10
摘要: A method of making a multilayer filter and the multilayer filter made by the method. The method includes generally two steps. The first step is to coat a layer of nanofibers on a single side or both sides of a substrate medium to obtain a composite filter medium, and the second step is to fold the composite filter medium in a serpentine fashion to form a multilayer filter. The second step may alternatively be accomplished by stacking up a number of sheets of the composite filter medium to form a multilayer filter having a structure of two layers of nanofibers being sandwiched between two layers of said substrate medium. The resulting multilayer filter produced by either method contains at least one structural unit which has two layers of nanofibers being sandwiched between two layers of the substrate medium.
摘要翻译: 制造多层过滤器的方法和由该方法制成的多层过滤器。 该方法通常包括两个步骤。 第一步是在衬底介质的单侧或两侧涂覆一层纳米纤维,以获得复合过滤介质,第二步是以蛇形方式折叠复合过滤介质以形成多层过滤器。 第二步骤可以通过堆叠多个复合过滤介质的片材来形成具有两层纳米纤维的结构的多层过滤器来实现,所述两层纳米纤维被夹在两层所述基底介质之间。 由任一方法制得的所得多层过滤器包含至少一个结构单元,其具有两层纳米纤维夹在两层基材介质之间。