MEMBRANES A process for the preparation of a hollow fibre membrane comprising an at least partially crystalline aromatic ether ketone polymer which process comprises the steps of A. preparing a hollow fibre membrane from a solution of an at least partially crystalline aromatic ether ketone polymer in a strong acid by contacting the solution with a non-solvent for the polymer; and B. drawing the fibre prepared in Step A to increase the length thereof by 5-50%.
申请公布号
CA2060588(A1)
申请公布日期
1992.08.16
申请号
CA19922060588
申请日期
1992.02.04
申请人
COLQUHOUN, HOWARD M.;SIMPSON, ALAN F.;ROGERS, VICTOR
发明人
COLQUHOUN, HOWARD M.;SIMPSON, ALAN F.;ROGERS, VICTOR