公开(公告)号：US5266207A

公开(公告)日：1993-11-30

申请号：US876441

申请日：1992-04-30

Applicant: Anne Boye ,  Andre Grangeon ,  Christian Guizard

Inventor： Anne Boye ,  Andre Grangeon ,  Christian Guizard

IPC: B01D69/10 ,  B01D69/12 ,  B01D71/62 ,  B01D71/72 ,  C08G79/02 ,  B01D61/00 ,  B01D29/00

CPC classification number: B01D71/72 ,  B01D69/10 ,  B01D69/12 ,  C08G79/025

Abstract: Mechanically strong and thermally/chemically-resistant composite nanofiltration membranes, well adapted for the separation of low molecular weight compounds, comprise a porous inorganic support substrate, the pore diameters of which ranging from 3 to 10 nm, this inorganic support substrate having a polymer membrane which comprises an elastomeric polyphosphazene densely deposited on at least one of the face surfaces thereof, the structural porosity of such polyphosphazene membrane ranging from 0.2 to 2 nm.

Abstract translation: 适于分离低分子量化合物的机械强和耐热/耐化学性复合纳米过滤膜包括孔径范围为3至10nm的多孔无机支撑基底，该无机支撑基底具有聚合物膜 其包括密实沉积在其至少一个表面上的弹性聚磷腈，所述聚磷腈膜的结构孔隙率为0.2至2nm。