Title:
【発明の名称】線状ポリウレタンからなる限外ろ過膜およびその製法ならびに水から油を分離する方法
Document Type and Number:
Japanese Patent JPS5857203
Kind Code:
B2
Abstract:
An ultrafiltration membrane comprised of a linear polyurethane having a hydraulic permeability for water of about 50 to 500 1/m2 x h and a separation factor alpha of about 2x10-3 to 1x10-4, 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 DEG C. and the separation factor alpha being established with a 2% oil-water emulsion at 25 DEG C. The membrane is particularly suited for operation of oil-water mixtures or emulsions.
Inventors:
KURAUSU GERURATSUHA
YOAHIMU BEENKE
BORUFUGANGU REEZENAA
EBARUTO HOOMU
YOAHIMU BEENKE
BORUFUGANGU REEZENAA
EBARUTO HOOMU
Application Number:
JP5984480A
Publication Date:
December 19, 1983
Filing Date:
May 06, 1980
Export Citation:
Assignee:
AKZO NV
International Classes:
C02F1/44; B01D17/00; B01D71/54; B01D71/80; C08G18/00; C08G18/48; C08G18/66; C08G18/76; C08J5/18; C10M175/00; (IPC1-7): B01D13/00; B01D13/04; B01D17/00
Attorney, Agent or Firm:
Toshio Yano