公开(公告)号：US3627859A

公开(公告)日：1971-12-14

申请号：US3627859D

申请日：1969-08-12

Applicant: LEESONA CORP

Inventor： MESITE EDWARD C ,  ROSENBLATT SOLOMON

IPC: B01D39/16 ,  B29C67/04 ,  C08J9/26 ,  H01M8/08 ,  B29D27/08

CPC classification number: B01D67/003 ,  B01D39/163 ,  C08J9/26 ,  C08J2327/12 ,  Y10S521/905

Abstract: A method of preparing a porous hydrophobic polymeric matrix is described comprising precipitating a hydrophobic polymer onto loose fibers having a charge opposite to that of said polymer to form a polymer-fiber aggregate, shaping said aggregate, heating said shaped aggregate at an elevated temperature at which said precipitated polymer will sinter and said fibers consumed, and maintaining said aggregate at said elevated temperature for a time sufficient to sinter the polymer and consume the fibers, forming a pliable and coherent porous matrix.