JPS5580514A - Production of hollow fiber - Google Patents

Production of hollow fiber

Info

Publication number
JPS5580514A
JPS5580514A JP15395078A JP15395078A JPS5580514A JP S5580514 A JPS5580514 A JP S5580514A JP 15395078 A JP15395078 A JP 15395078A JP 15395078 A JP15395078 A JP 15395078A JP S5580514 A JPS5580514 A JP S5580514A
Authority
JP
Japan
Prior art keywords
salt
fibers
coagulation bath
production
hollow fiber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP15395078A
Other languages
Japanese (ja)
Inventor
Yasushi Jo
Akihiko Niina
Noriaki Kaneko
Toshio Sano
Noriyuki Ichige
Akira Fukutome
Koji Ichikawa
Hisako Sonobe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zeon Corp
Original Assignee
Nippon Zeon Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Zeon Co Ltd filed Critical Nippon Zeon Co Ltd
Priority to JP15395078A priority Critical patent/JPS5580514A/en
Publication of JPS5580514A publication Critical patent/JPS5580514A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/08—Polysaccharides
    • B01D71/10—Cellulose; Modified cellulose

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Artificial Filaments (AREA)

Abstract

PURPOSE: To obtain hollow fibers suitable for blood dialysis devices, ultrafiltration, and reverse osmosis, by controlling the osmostic pressure inside and outside the fibers with a coagulation bath containing a suitable amount of a salt to prevent the formation of pinholes in the fiber walls.
CONSTITUTION: A spinning solution comprising a cellulose derivative dissolved in an organic solvent is extruded through an annular slit into a filamentary material, and a core liquid containing a salt in a concentration enough to cause phase separation is introduced into the hollow part of the material at the same time. The fibers are then introduced into a coagulation bath comprising an equeous solution of a given amount of a salt.
COPYRIGHT: (C)1980,JPO&Japio
JP15395078A 1978-12-12 1978-12-12 Production of hollow fiber Pending JPS5580514A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15395078A JPS5580514A (en) 1978-12-12 1978-12-12 Production of hollow fiber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15395078A JPS5580514A (en) 1978-12-12 1978-12-12 Production of hollow fiber

Publications (1)

Publication Number Publication Date
JPS5580514A true JPS5580514A (en) 1980-06-17

Family

ID=15573606

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15395078A Pending JPS5580514A (en) 1978-12-12 1978-12-12 Production of hollow fiber

Country Status (1)

Country Link
JP (1) JPS5580514A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210104854A1 (en) * 2017-05-18 2021-04-08 Shin-Etsu Polymer Co., Ltd. Electrical connector and method for producing same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210104854A1 (en) * 2017-05-18 2021-04-08 Shin-Etsu Polymer Co., Ltd. Electrical connector and method for producing same
US11637406B2 (en) * 2017-05-18 2023-04-25 Shin-Etsu Polymer Co., Ltd. Electrical connector and method for producing same

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