公开(公告)号：US4332686A

公开(公告)日：1982-06-01

申请号：US145767

申请日：1980-04-30

申请人： Klaus Gerlach ,  Joachim Behnke ,  Wolfgang Rosener ,  Ewald Hohm

发明人： Klaus Gerlach ,  Joachim Behnke ,  Wolfgang Rosener ,  Ewald Hohm

IPC分类号： C02F1/44 ,  B01D17/00 ,  B01D71/54 ,  B01D71/80 ,  C08G18/00 ,  C08G18/48 ,  C08G18/66 ,  C08G18/76 ,  C08J5/18 ,  C10M175/00 ,  B01D13/00 ,  B01D39/16

CPC分类号： B01D17/085 ,  B01D71/54 ,  C08G18/4833 ,  C08G18/6674 ,  C08G18/7671

摘要： An ultrafiltration membrane comprised of a linear polyurethane having a hydraulic permeability for water of about 50 to 500 1/m.sup.2 .multidot. h and a separation factor .alpha. of about 2.times.10.sup.-3 to 1.times.10.sup.-4, the permeability being based on determination with a membrane of a thickness of about 0.02 mm, a pressure differential of 1 bar and a temperature of 20.degree. C. and the separation factor .alpha. being established with a 2% oil-water emulsion at 25.degree. C. The membrane is particularly suited for operation of oil-water mixtures or emulsions.

摘要翻译： 一种超滤膜，其由具有约50至500l / m 2 xh的水的水溶性渗透性和约2×10-3至1×10-4的分离因子α的线性聚氨酯组成，所述渗透性基于用厚度的膜测定 约0.02mm，压差为1巴，温度为20℃，分离因子α用25％的2％油水乳液建立。该膜特别适合于操作油水 混合物或乳液。