Title:
PRODUCTION METHOD OF HOLLOW FIBER MEMBRANE
Document Type and Number:
Japanese Patent JP2005270762
Kind Code:
A
Abstract:
To provide a hollow fiber membrane with excellent dimension stability and membrane performance stability.
The hollow fiber membrane is produced by immersing/treating the membrane formed to the hollow shape in water of 25-60°C for 5-20 minutes in the relaxed state.
Inventors:
AZUMA MASAKI
HIRAYAMA NAOKI
HIRAYAMA NAOKI
Application Number:
JP2004086275A
Publication Date:
October 06, 2005
Filing Date:
March 24, 2004
Export Citation:
Assignee:
TORAY INDUSTRIES
International Classes:
B01D69/08; B01D63/02; C02F1/44; (IPC1-7): B01D69/08; B01D63/02; C02F1/44