公开(公告)号：US20160045846A1

公开(公告)日：2016-02-18

申请号：US14923492

申请日：2015-10-27

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： John B. Scheibner ,  Todd W. Johnson ,  Stephen C.P. Joseph ,  David F. Slama

IPC: B01D39/16 ,  B01D37/00

CPC classification number: B01D39/1692 ,  B01D37/00 ,  B01D39/1623 ,  B01D67/0023 ,  B01D69/02 ,  B01D2239/065 ,  B01D2239/1216 ,  B01D2323/42 ,  B01D2325/02 ,  B01D2325/021 ,  Y10T428/24273 ,  Y10T428/24322

Abstract: Described herein are microperforated polymeric films comprising: opposed first and second surfaces separated by a first certain distance; and a plurality of channels perpendicular to the first and second surfaces, wherein a first opening of a channel intersects the first surface and a second opening of the channel intersects the second surface; wherein the diameter of the first opening is larger than the diameter of the second opening and the second openings on the second surface are spaced apart by a second certain distance; wherein the ratio of the first certain distance to the second certain distance is at least 0.25; and furtherwherein the second surface has an open area of at least 10%. Also described are methods of making and using such microperforated polymeric films.

Abstract translation: 本文描述的是微穿孔聚合物膜，其包括：相隔的第一和第二表面，分隔第一特定距离; 以及垂直于第一和第二表面的多个通道，其中通道的第一开口与第一表面相交，并且通道的第二开口与第二表面相交; 其中所述第一开口的直径大于所述第二开口的直径，并且所述第二表面上的所述第二开口间隔开第二特定距离; 其中所述第一特定距离与所述第二一定距离的比率为至少0.25; 并且其中所述第二表面具有至少10％的开放面积。 还描述了制造和使用这种微穿孔聚合物膜的方法。